KR100704192B1 - Card terminals with function of wireless communication gateway and recording medium - Google Patents

Abstract

The present invention relates to a card terminal having a wireless communication gateway function and a recording medium therefor, wherein the card terminal includes a short range communication unit for connecting a predetermined communication terminal with at least one short range communication, and at least one wireless terminal. A communication processor connected to a communication network, processing a predetermined electronic payment through the communication processor, and transmitting a predetermined packet from the communication terminal through the connected short-range communication channel, When received at the physical layer, the received packet information is read to determine whether to bridge the packet to the protocol stack corresponding to the communication processor, and when the packet is bridged to the protocol stack corresponding to the communication processor, the packet is read. Is the packet for payment processing or regular day A bridge check unit for checking whether the packet is for communication, and if the packet is a packet for payment processing, the packet is provided on the wireless communication network (and / or a communication network interworking with the wireless communication network) through the communication processing unit. A predetermined server (and / or provided on the wireless communication network (and / or a communication network interworking with the wireless communication network) through the communication processing unit if the packet structure is converted into a packet structure transmitted to the payment processing server. Or a protocol conversion unit for converting the packet into a packet structure transmitted to the terminal) and a bridge function unit for bridging the converted packet to a protocol stack corresponding to the communication processing unit.

Wireless communication, gateways, card terminals

Description

Card terminal with function of wireless communication gateway and recording medium}

1 is a diagram illustrating a network connection configuration of a card terminal having a bridge function of a communication protocol stack according to an exemplary embodiment of the present invention.

2 is a diagram illustrating a preferred functional configuration of a card terminal having a bridge function of a communication protocol stack according to an embodiment of the present invention.

3A, 3B, and 3C are diagrams showing a preferred configuration of the communication processing device configuration provided in the card terminal according to the embodiment of the present invention.

4A, 4B, 4C, and 4D illustrate a logical bridge function hierarchical structure for providing a bridge function of a communication protocol stack according to an exemplary embodiment of the present invention.

5A and 5B illustrate a protocol stack structure in which a card terminal having a bridge function of a communication protocol stack according to an embodiment of the present invention bridges a local area communication terminal to a wireless communication network.

FIG. 6 is a diagram illustrating a process of loading a logical bridge function layer that provides a bridge function of a communication protocol stack to a card terminal according to one embodiment of the present invention.

7A and 7B illustrate a card terminal operation process of providing a bridge function for a packet transmitted / received through a short-range communication channel connected to a card terminal through a logical bridge function layer according to an embodiment of the present invention.

8 is a diagram illustrating an operation of a card terminal providing a bridge function for a packet generated at a card terminal through a logical bridge function layer according to an embodiment of the present invention.

9A, 9B, and 9C are diagrams illustrating a network connection configuration of a card terminal having a bridge function of a communication protocol stack according to another exemplary embodiment of the present invention.

10 is a diagram showing a preferred functional configuration of a card terminal having a bridge function of a communication protocol stack according to another embodiment of the present invention.

11A, 11B, 11C, and 11D illustrate a logical bridge function hierarchical structure for providing a bridge function of a communication protocol stack according to another exemplary embodiment of the present invention.

12A and 12B illustrate a protocol stack structure in which a card terminal having a bridge function of a communication protocol stack according to an embodiment of the present invention bridges a local area communication terminal to a wireless communication network.

FIG. 13 is a diagram illustrating a process of loading a logical bridge function layer that provides a bridge function of a communication protocol stack in a card terminal according to another embodiment of the present invention.

14A and 14B illustrate a card terminal operation process of providing a bridge function for a packet transmitted / received through a short-range communication channel connected to a card terminal through a logical bridge function layer according to another embodiment of the present invention.

FIG. 15 is a diagram illustrating an operation of a card terminal providing a bridge function for a packet generated at a card terminal through a logical bridge function layer according to another embodiment of the present invention.

<Description of main parts of drawing>

100: terminal 105: card terminal

205: control unit 210: screen output unit

215: sound processor 220: key input unit

225: security application module 230: power supply

235: card reader portion 240: print output portion

245: printing apparatus 250: memory

255: WCDMA / HSDPA communication processing unit

260: IEEE 802.112 communication processing unit

265: IEEE 802.162 communication processing unit

270: near field communication unit 275: near field communication unit

280: short-range wired communication unit 285: bridge function unit

290: protocol conversion unit 295: bridge confirmation unit

297: address processing unit

The present invention includes at least one of a W-CDMA and / or HSDPA-based wireless communication network, an IEEE 802.11x-based wireless communication network, and an IEEE 802.16x-based wireless communication network provided at an affiliated store for processing at least one electronic payment. Wireless communication means for connecting (and / or communication connection) to the above-described wireless communication network, and at least one short-range communication means of at least one of short-range wireless communication means and / or short-range optical communication means and / or short-range wired communication means. A card terminal for bridging communication means and wireless communication means on a communication protocol stack.

Due to the continuous development of information and communication technology, various forms of wired communication infrastructure and wireless communication infrastructure are being established, and thus, card terminals (e.g., Credit Authorization Terminal (CAT) provided in merchants to provide electronic payment services. Value Added Networks (VANs) used by)) were initially rented and used in public switched telephone networks (PSTNs) and recently used high-speed data networks (e.g., x Digital Subscriber Line (xDSL)). It has been developed in the form of use, and it is expected to develop in the form of using high speed wireless data communication such as portable Internet in the future.

As the main network constituting the value-added communication network as described above increases, the card terminal provides a single communication multi-function (Single Communication and Multi Function) to provide various additional services in the initial Single Communication and Single Function (SCSF); SCMF).

However, the additional service function provided in the card terminal is related to the electronic payment, and there is a problem that the communication resources of the high speed communication network constituting the value added communication network are not properly utilized.

SUMMARY OF THE INVENTION An object of the present invention includes a local area communication unit for connecting a predetermined communication terminal and at least one local area communication, a communication processing unit for connecting to at least one wireless communication network, and processes a predetermined electronic payment through the communication processing unit. When a predetermined packet is transmitted from the communication terminal through the connected local area communication channel and received in the physical layer of the protocol stack corresponding to the local area communication unit, the received packet information is read and the packet is corresponded to the communication processing unit. A bridge confirming unit for checking whether to bridge to the protocol stack to be used, and if the packet is bridged to a protocol stack corresponding to the communication processing unit, whether the packet is a packet for payment processing or a packet for general data communication; If it is confirmed that the packet is a packet for payment processing, The packet is converted into a packet structure transmitted to a payment processing server provided on the wireless communication network (and / or a communication network interworking with the wireless communication network) through a communication processing unit. A protocol conversion unit for converting a packet structure transmitted to a predetermined server (and / or a terminal) provided on the wireless communication network (and / or a communication network interworking with the wireless communication network) and the converted packet to the communication processing unit A card terminal having a wireless communication gateway function including a bridge function for bridging to a corresponding protocol stack.

A card terminal having a wireless communication gateway function according to the present invention includes a short range communication unit for connecting a predetermined communication terminal and at least one short distance communication, and a communication processing unit for connecting to at least one wireless communication network, wherein the communication processing unit Processes a predetermined electronic payment through, and when a predetermined packet is transmitted from the communication terminal through the connected short-range communication channel, and received in the physical layer of the protocol stack corresponding to the short-range communication unit, the received packet information is read Confirming whether to bridge the packet to a protocol stack corresponding to the communication processing unit, and when bridging the packet to a protocol stack corresponding to the communication processing unit, whether the packet is a packet for payment processing or a packet for general data communication. Bridge check unit for checking whether the; If the packet is a packet for payment processing, the packet is converted into a packet structure transmitted to a payment processing server provided on the wireless communication network (and / or a communication network interworking with the wireless communication network) through a communication processing unit. A protocol for converting a packet structure transmitted to a predetermined server (and / or terminal) provided on the wireless communication network (and / or a communication network interworking with the wireless communication network) through the communication processing unit if the packet is for general data communication. A conversion unit; And a bridge function unit for bridging the converted packet to a protocol stack corresponding to the communication processor.

According to the present invention, the communication processor is characterized in that for transmitting the bridged packet to the wireless communication network.

Further, according to the present invention, when a predetermined packet is received from the wireless communication network to the physical layer of the protocol stack corresponding to the communication processing unit, the bridge confirmation unit reads the received packet information and transmits the packet to the local area communication unit. Characterized in that it bridges to a corresponding protocol stack, and when the bridge check unit confirms that the packet is bridged to a protocol stack corresponding to the local area communication unit, the protocol conversion unit corresponds to a protocol stack corresponding to the communication processing unit. And converts the received packet into a packet structure corresponding to a protocol stack corresponding to the local area communication unit, wherein the bridge function bridges the converted packet to a protocol stack corresponding to the local area communication unit. And said Distance communication unit is characterized in that for transmitting the bridge packet to the communication terminal.

Further, according to the present invention, if the packet is a packet for payment processing, the protocol conversion unit, the packet is the SSL (Secure Sockets Layer) and / or WTLS (Wireless Transport Layer Security) and / or AAA (Authentication, Authorization and Accounting) is characterized in that it further comprises the encryption with a security protocol corresponding to the wireless communication network.

In addition, according to the present invention, characterized in that it further comprises an address processing unit for assigning a predetermined address for a wireless communication network connection to the communication terminal connected to the channel through the local area communication unit.

Further, according to the present invention, when the packet received by the physical layer of the protocol stack corresponding to the short-range communication unit flows into the data link layer (and / or medium access control layer), the bridge function unit communicates the packet. Bridge to the data link layer (and / or medium access control layer) of the protocol stack corresponding to the processing unit, and / or on the protocol stack corresponding to the communication processing unit, and / or the data link layer of the protocol stack corresponding to the local area communication unit (and / or Or a bridge to a protocol layer compatible with a medium access control layer, and when a packet received through a physical layer of a protocol stack corresponding to the local area communication unit flows into a network layer, the packet corresponds to the communication processing unit. Bridge to the network layer of the protocol stack, and / or Bridge the protocol stack corresponding to the communication processor to a protocol layer that is compatible with a network layer of the protocol stack corresponding to the local area communication unit, and the received packet is transmitted to a physical layer of the protocol stack corresponding to the local area communication unit. When introduced into a layer, bridge the packet to a transport layer of a protocol stack corresponding to the communication processor, and / or compatible with a transport layer of a protocol stack corresponding to the local area communication protocol on a protocol stack corresponding to the communication processor. And a packet received in the physical layer of the protocol stack corresponding to the short range communication unit to the session layer, and forwarding the packet to the session layer of the protocol stack corresponding to the communication processor. And / or bridge the protocol stack corresponding to the communication processor to a protocol layer compatible with the session layer of the protocol stack corresponding to the local area communication unit, and the physical layer of the protocol stack corresponding to the local area communication unit. When the received packet flows into the presentation layer, the packet is bridged to the presentation layer of the protocol stack corresponding to the communication processor, and / or corresponding to the short range communication unit on the protocol stack corresponding to the communication processor. Bridge to a protocol layer compatible with the presentation layer of the protocol stack.

Further, according to the present invention, when the packet received in the physical layer of the protocol stack corresponding to the communication processing unit flows into the data link layer (and / or medium access control layer), the bridge function unit, the packet is the short-range Bridge to the data link layer (and / or medium access control layer) of the protocol stack corresponding to the communication unit, and / or on the protocol stack corresponding to the local area communication unit, and / or the data link layer of the protocol stack corresponding to the communication processing unit (and / or Or a bridge to a protocol layer that is compatible with a medium access control layer, and when a packet received through a physical layer of a protocol stack corresponding to the communication processor flows into a network layer, the packet is transferred to the local area communication unit. Bridge to the network layer of the corresponding protocol stack, and / or Is bridged to a protocol layer compatible with a network layer of a protocol stack corresponding to the communication processor on the protocol stack corresponding to the local area communication unit, and the packet received to the physical layer of the protocol stack corresponding to the communication processor When introduced into the transport layer, the packet is bridged to the transport layer of the protocol stack corresponding to the local area communication unit, and / or compatible with the transport layer of the protocol stack corresponding to the communication processing unit on the protocol stack corresponding to the existing local area communication unit. And a packet received in a physical layer of a protocol stack corresponding to the communication processor, when the packet is introduced into a session layer, and transferring the packet to a session layer of a protocol stack corresponding to the short range communication unit. Ridges and / or bridge on a protocol stack corresponding to the local area communication unit to a protocol layer compatible with a session layer of a protocol stack corresponding to the communication unit, and a physical layer of a protocol stack corresponding to the communication unit. When the received packet flows into the presentation layer, the packet is bridged to the presentation layer of the protocol stack corresponding to the local area communication unit, and / or corresponding to the communication processing unit on the protocol stack corresponding to the local area communication unit. Bridge to a protocol layer compatible with the presentation layer of the protocol stack.

On the other hand, the present invention includes a computer-readable recording medium characterized by recording a program for executing a function of a card terminal device component having the above-described wireless communication gateway function.

Hereinafter, with reference to the accompanying drawings and description will be described in detail the operating principle of the preferred embodiment of the present invention. However, the drawings and the following description shown below are for the preferred method among various methods for effectively explaining the features of the present invention, the present invention is not limited only to the drawings and description below. In addition, in the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. Terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users or operators. Therefore, the definition should be based on the contents throughout the present title.

In addition, preferred embodiments of the present invention to be carried out below are provided in each system functional configuration to efficiently describe the technical components constituting the present invention, or system functions that are commonly provided in the technical field to which the present invention belongs. The configuration will be omitted, and described mainly on the functional configuration to be additionally provided for the present invention. If those skilled in the art to which the present invention pertains, it will be able to easily understand the function of the components that are conventionally used among the omitted functional configuration not shown below, and also the configuration omitted as described above The relationship between the elements and the components added for the present invention will also be clearly understood.

In addition, the following examples will be used to appropriately modify the terms so that those skilled in the art to clearly understand the technical features of the present invention to effectively understand, but the present invention It is by no means limited.

As a result, the technical spirit of the present invention is determined by the claims, and the following examples are one means for efficiently explaining the technical spirit of the present invention to those skilled in the art to which the present invention pertains. It is only.

1 is a diagram illustrating a network connection configuration of a card terminal having a bridge function of a communication protocol stack according to an exemplary embodiment of the present invention.

In more detail, in FIG. 1, a card terminal 105 having a bridge function of a communication protocol stack connects to (and / or communicates with) a payment communication network including at least one wireless communication network, and the communication protocol stack A network connection configuration for bridging the card terminal 105 and at least one or more terminals 100 in a short distance to the wireless communication network through a bridge function of the present invention. At least one or more locations located near the card terminal 105 in a state where the card terminal 105 having the bridge function of the communication protocol stack is connected to at least one wireless communication network by referring to and / or modifying the drawing 1. Infer various methods of bridging the terminal 100 to a wireless communication network through the bridge function of the communication protocol stack. As will be appreciated, the present invention includes all implementation methods inferred above and is not limited to the implementation method illustrated in FIG.

According to the present invention, the card terminal 105 is connected to a predetermined ESD (Electronic Software Delivery) server through a currently connected predetermined communication network in order to have a bridge function of the communication protocol stack according to the present invention. By downloading a predetermined program file corresponding to the bridge function of the communication protocol stack from the ESD server and loading it into the card terminal 105, the card terminal 105 has a bridge function of the communication protocol stack according to the present invention. It is provided.

According to an embodiment of the present invention, the server connected to the card terminal 105 before the card terminal 105 has the bridge function of the communication protocol stack is connected to the card terminal 105 according to the present invention. It is preferable to include an ESD server which provides and mounts a predetermined program file corresponding to the bridge function of the protocol stack.

The wireless communication network to which the card terminal 105 having the bridge function of the communication protocol stack is connected may be a W-CDMA (Wide-CDMA) and / or HSDPA (W-CDMA) operating based on a code division multiple access (CDMA) stack. At least one of a High Speed Downlink Packet Access (WLAN) based wireless communication network (e.g., a mobile communication network), an IEEE 802.16x based wireless communication network (e.g., a portable Internet), and / or an IEEE 802.11x based external wireless communication network (e.g., a wireless LAN network). It is characterized in that it comprises a, whereby the card terminal 105 is a payment approval request full text and / or payment approval full text transmitted over a payment communication network including the wireless communication network is the WCDMA / HSDPA-based communication protocol and / or Transmitting and receiving through at least one of the IEEE 802.16x based communication protocol and / or IEEE 802.11x based communication protocol. Is recommended.

However, the WCDMA / HSDPA-based wireless communication network and / or IEEE 802.16x-based wireless communication network and / or IEEE 802.11x-based wireless communication network to which the wireless communication network to which the card terminal 105 equipped with the bridge function of the communication protocol stack according to the present invention is connected is described. The present invention is not limited to a wireless communication network, and a person having ordinary knowledge in the technical field to which the present invention belongs, the wireless communication network to which the card terminal 105 having the bridge function of the communication protocol stack is connected is conventionally / commercially available. All wireless networks are included.

That is, Figure 1 is intended to effectively explain the technical features of the card terminal 105 having a bridge function of the communication protocol stack according to the present invention to those skilled in the art to which the present invention belongs, It is not limited by this.

According to the present invention, a card terminal 105 having a bridge function of the communication protocol stack is connected to at least one or more wireless communication networks and / or at least one server (and / or terminal 100) through the wireless communication network. And at least one wireless communication means including at least one wireless communication means for connecting a predetermined communication channel with the at least one terminal 100 and at least one terminal at a short distance from the card terminal 105. Characterized in that it comprises a function for communicating through the short-range communication means described above.

According to an embodiment of the present invention, the wireless communication means for connecting (and / or communicating) the card terminal 105 to a wireless communication network is based on a WCDMA / HSDPA that operates the card terminal 105 based on a CDMA stack. A wireless communication module for connecting (and / or communicating) a wireless communication network, and / or a wireless communication module for connecting (and / or communicating) the card terminal 105 to an IEEE 802.16x based wireless communication network, and / or the Preferably, the card terminal 105 includes at least one wireless communication module that connects (and / or communicates with) an IEEE 802.11x-based external wireless communication network, whereby the card terminal 105 is connected to the wireless communication network. A predetermined communication channel is connected to at least one server (and / or terminal 100) provided in the.

Here, the wireless communication module for connecting (and / or communication connection) to the IEEE 802.11x-based external wireless communication network of the wireless communication means provided in the card terminal 105 is the card terminal 105 and the IEEE 802.11x-based external wireless Preferably, the apparatus further includes an apparatus (eg, an outdoor bridge) for connecting an APM (Access Point Manager) on the communication network.

According to the present invention, a server (and / or terminal 100) on the wireless communication network to which the card terminal 105 and a predetermined communication channel are connected may include a value added network (VAN) corresponding to the card terminal 105. It is characterized in that it comprises a predetermined van server provided in the company, thereby the card terminal 105 performs an electronic payment procedure using at least one customer-owned card.

According to an embodiment of the present invention, the short range communication means for short-range communication between the card terminal 105 and at least one or more terminals 100 in a short range may conform to (or be compatible with) the IEEE 802.11x standard (for example, , IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, HIPERLAN / 2, etc.) Short-range wireless, such as Wireless Local Area Network (WLAN), Bluetooth, WiFi, Ultra Wide Band system (UWB), etc. Communication means, and / or short-range optical communication means in accordance with the Infrared Ray communication standard of IrDA, and / or Local Area Network (LAN) conforming to IEEE 802.x standard, IEEE 1394 type, USB (Universal Serial Bus) And at least one short-range communication means such as short-range wired communication means such as RS-232c, RS-485, and the like, whereby the short-range communication means is connected between the terminal 100 and the card terminal 105. Corresponding predetermined The short-range communication channel is connected.

Here, the short-range communication channel connected to the card terminal 105 through the short-range communication means is a Voice over IP (VoIP) communication protocol (for example, a Real-Time Transport Protocol (RTP) and RTCP (RTP Control Protocol) over UDP / IP. Communication protocol).

According to the present invention, a communication channel connected between the card terminal 105 and a server (and / or terminal 100) provided on a wireless communication network connects the card terminal 105 to the wireless communication network (and / or Or a communication protocol corresponding to a wireless communication means for communication connection), and further comprising a short-range communication channel connecting the card terminal 105 and at least one terminal 100 located at a short distance. It is characterized in that the connection and operation via a communication protocol corresponding to the short-range communication means.

The communication protocol includes a format and procedure necessary for at least two communication systems (e.g., a server and / or a device having a communication function) to transmit and receive predetermined information (or data) through a predetermined communication network and / or communication means; As the order is defined, the communication protocol is composed of a plurality of layers (Layer) for performing each function, such as physical circuit control, data connection control, packet relay transmission or file transfer control, In the communication protocol of each layer is made up of a structure that interlocks up and down.

Here, detailed technical features and functions for each layer of the communication protocol are defined in each communication protocol standard, and the present invention does not violate the communication protocol standard.

According to an embodiment of the present invention, the communication protocol configures and maintains a physical link between communication systems through a predetermined communication network and / or communication means, and directly transmits data bits through a communication line corresponding to the physical link. A physical layer that defines mechanical, electrical, functional, and procedural characteristics for establishing and / or maintaining and / or breaking a circuit connection for transmission, and a medium access that controls access to the physical layer It is preferable to include a control layer, and in general, the MAC layer controls the physical layer to address a physical link, network topology, circuit usage rules, error detection, frame forwarding, and flow. Subla of the Datalink Layer, which defines functions for data delivery reliability, such as control yer).

According to the present invention, the card terminal 105 having a bridge function of the communication protocol stack bridges at least one short-range communication means and the wireless communication means on a protocol stack through the bridge function of the communication protocol stack according to the present invention. Characterized in that.

According to a preferred embodiment of the present invention, the bridge function (at least one of the short-range communication means and the wireless communication means) of the communication protocol stack provided in the card terminal 105 corresponds to the wireless communication means. Bridging at least one protocol layer of the physical layer on the protocol stack and an upper layer of the MAC layer, and at least one protocol layer of the physical layer on the protocol stack corresponding to the local area communication means and the upper layer of the MAC layer. It is preferable.

According to another embodiment of the present invention, the bridge function of the communication protocol stack provided in the card terminal 105 (a function of bridging at least one short-range communication means and the wireless communication means) corresponds to the wireless communication means. It is possible to directly bridge (eg, bridge in the form of firmware) the MAC layer above the physical layer on the protocol stack and the MAC layer above the physical layer on the protocol stack corresponding to the local area communication means. It is not limited.

According to a preferred embodiment of the present invention, the bridge function (at least one of the short-range communication means and the wireless communication means) of the communication protocol stack provided in the card terminal 105 corresponds to the wireless communication means. It is preferable to bridge a same grade protocol layer among at least one or more protocol layers existing on the protocol stack and at least one or more protocol layers existing on the protocol stack corresponding to the local area communication means.

For example, the communication protocol stack corresponding to the wireless communication means provided in the card terminal 105 satisfies Open Systems Interconnection (OSI) layer 7, and the communication protocol stack corresponding to the short range communication means is also OSI 7. If the hierarchical level is satisfied, the bridge function of the communication protocol stack provided in the card terminal 105 (a function of bridging at least one short range communication means and the wireless communication means) is a communication protocol stack corresponding to the wireless communication means. Bridge the network layer of the communication protocol stack corresponding to the local area communication means and / or the transmission layer of the communication protocol stack corresponding to the wireless communication means and the communication protocol stack corresponding to the local area communication means. Bridge the layer and / or correspond to the wireless communication means Bridge the session layer of the new protocol stack and the communication layer corresponding to the local area communication means, and / or the presentation layer of the communication protocol stack corresponding to the wireless communication means and the communication corresponding to the local area communication means. It is desirable to bridge the presentation layer of the protocol stack.

According to another embodiment of the present invention, the bridge function of the communication protocol stack provided in the card terminal 105 (a function of bridging at least one short-range communication means and the wireless communication means) corresponds to the wireless communication means. Preferably, at least one protocol layer existing on the protocol stack and at least one protocol layer existing on the protocol stack corresponding to the short range communication means are bridged with each other.

According to a preferred embodiment of the present invention, the bridge function (at least one of the at least one short range communication means and the wireless communication means) of the communication protocol stack provided in the card terminal 105 corresponds to the short range communication means. If a packet generated (and / or processed) on a protocol stack and a packet generated (and / or processed) on a protocol stack corresponding to the wireless communication means are not compatible with each other, the bridge function is configured to perform the short range communication means. Converts a packet generated (and / or processed) on a protocol stack corresponding to a into a packet structure processable (or compatible) on a protocol stack corresponding to the wireless communication means, and / or a protocol corresponding to the wireless communication means. Packets generated (and / or processed) on the stack are configured to correspond to the local area communication means. It is made by a function of converting a processed (or compatible) packet structure on the call stack, further comprising preferred.

For example, when the short range communication means is USB, the USB packet generated by the protocol stack corresponding to the USB has a packet structure that can be transmitted to the wireless communication network through the wireless communication means provided in the card terminal 105. Although not included, the bridge function of the communication protocol stack provided in the card terminal 105 (at least one function of bridging the short range communication means and the wireless communication means) includes the USB packet in the card terminal 105. Converts into a packet structure that can be transmitted to the wireless communication network through the wireless communication means, and / or adds packet information that can be transmitted to the wireless communication network through the wireless communication means provided in the card terminal 105 to the USB packet ( Or insertion).

According to an exemplary embodiment of the present invention, a packet generated (and / or processed) on a protocol stack corresponding to the short range communication means and a packet generated (and / or processed) on a protocol stack corresponding to the wireless communication means may be mutually exchanged. In order to be compatible, the bridge function (at least one or more near field communication means and the wireless communication means) of the communication protocol stack provided in the card terminal 105 is defined in a protocol stack corresponding to the near field communication means. Read a packet encapsulating in a packet structure to read predetermined packet data, encapsulate the read packet data into a packet structure defined in a protocol stack corresponding to the wireless communication means, and / or the wireless communication The packet is encapsulated in a packet structure defined in the protocol stack corresponding to the means. A packet generated (and / or processed) on a protocol stack corresponding to the near field communication means by reading kit data and encapsulating the read packet data into a packet structure defined in a protocol stack corresponding to the near field communication means; It is desirable to interoperate packets generated (and / or processed) on a protocol stack corresponding to the wireless communication means.

If the read packet data sizes are not compatible with each other, the bridge function of the communication protocol stack included in the card terminal 105 (a function of bridging at least one short range communication means and the wireless communication means) may include: The read packet data is converted to be compatible with a packet generated (and / or processed) on a protocol stack corresponding to a communication means and a packet generated (and / or processed) on a protocol stack corresponding to the wireless communication means. It is preferable to further include a function of buffering to make the read packet data sizes compatible.

According to another exemplary embodiment of the present invention, a packet generated (and / or processed) on a protocol stack corresponding to the short range communication means and a packet generated (and / or processed) on a protocol stack corresponding to the wireless communication means In order to be compatible with each other, the bridge function of the communication protocol stack provided in the card terminal 105 (a function of bridging at least one short range communication means and the wireless communication means) is defined in a protocol stack corresponding to the short range communication means. Add (or insert) packet information that can be transmitted to a wireless communication network through a wireless communication means provided in the card terminal 105 to a packet generated (and / or processed) in a predetermined packet structure, and / or the wireless communication Among the packet information contained in the packet generated (and / or processed) in the packet structure defined in the protocol stack corresponding to the means, By removing (or erasing) packet information incompatible with the protocol stack corresponding to the near field communication means, a packet generated (and / or processed) on a protocol stack corresponding to the near field communication means and a protocol corresponding to the wireless communication means It is desirable to interoperate packets that are generated (and / or processed) on the stack.

According to an embodiment of the present invention, when the card terminal 105 accesses a connection (and / or communication connection) to a payment communication network corresponding to a WCDMA / HSDPA-based wireless communication network operating based on a CDMA stack, the card terminal 105 105 is connected to the WCDMA / HSDPA-based wireless communication network and at least one or more terminals 100 connected to the card terminal 105 through a predetermined short-range communication through a bridge function of the communication protocol stack according to the present invention (and And / or communication connection), and if the short range communication supports the VoIP communication protocol, the card terminal 105 performs the function of the VoIP gateway.

In addition, when the card terminal 105 accesses a connection (and / or communication connection) to a payment communication network corresponding to an IEEE 802.16x based wireless communication network, the card terminal 105 is a bridge of a communication protocol stack according to the present invention. And a gateway function to connect (and / or communicate) the at least one terminal 100 connected to the card terminal 105 with a predetermined short range communication to the IEEE 802.16x based wireless communication network. If the short range communication supports the VoIP communication protocol, the card terminal 105 further performs the function of the VoIP gateway.

In addition, when the card terminal 105 is connected to (and / or communication connection) to the IEEE 802.11x-based external wireless communication network, the card terminal 105 through the bridge function of the communication protocol stack according to the present invention. It performs a gateway function to connect (and / or communication connection) to at least one or more terminals 100 connected to the card terminal 105 through a predetermined short-range communication to the IEEE 802.11x-based external wireless communication network, if the short-range communication If the VoIP communication protocol is supported, the card terminal 105 further performs the function of the VoIP gateway.

According to the exemplary embodiment of the present invention, the card terminal 105 preferably includes at least one affiliated store terminal 100 such as a credit authorization terminal (CAT) and / or a point of sales (POS) terminal 100. At this time, the affiliated store terminal 100 is a predetermined wireless communication means (for example, the merchant terminal 100 is a WCDMA / HSPDA based wireless communication network and / or IEEE 802.16x based wireless communication network and / or IEEE 802.11x based external wireless A function of accessing (and / or communicating) a predetermined wireless communication network through a wireless communication means connected to a communication network) and at least one or more locations located at a short distance of the affiliated store terminal 100 through at least one short-range communication means. The affiliated terminal 100 and the short-range communication channel and the terminal 100 connected to the short-range communication channel through the bridge function of the communication protocol stack according to the present invention. That terminal 100 is formed by a function of a bridge in a wireless communication network connection (and / or communication connection) is preferred.

According to an embodiment of the present invention, the terminal 100 to which the card terminal 105 is connected to a predetermined short-range communication channel may be connected to (WLAN), Bluetooth, and Wi-Fi according to the IEEE 802.11x standard. Short-range wireless communication means, such as USB, and / or short-range optical communication means such as infrared ray communication, and / or wired LAN (LAN) compliant with IEEE 802.x standard, IEEE 1394, USB, RS-232c, RS A personal computer (PC) having at least one short-range communication means, such as -485, connected to the short-range communication means provided in the card terminal 105 through the short-range communication means, and connected to a predetermined short-range communication. And / or at least one client terminal 100 such as a notebook computer. When the short range communication means supports a VoIP communication protocol, the client terminal 10 0) preferably further performs the function of the VoIP terminal 100.

In addition, the terminal 100 to which the card terminal 105 and a predetermined short-range communication channel are connected may be short-range wireless such as WLAN, Bluetooth, Wi-Fi, USB, or the like conforming to (or compatible with) the IEEE 802.11x standard. Short-range optical communication means such as communication means, and / or infrared ray communication, and / or short-range wired lines such as LAN, IEEE 1394, USB, RS-232c, RS-485, etc. conforming to the IEEE 802.x standard. A personal digital assistant (PDA) and / or PMP (including at least one short-range communication means of communication means) connected to the short-range communication means provided in the card terminal 105 by a predetermined short-range communication via the short-range communication means; And at least one portable terminal 100 such as a portable media player. When the short range communication means supports a VoIP communication protocol, the portable terminal 100 may be configured to include the VoIP terminal 100. It is desirable to perform more functions.

In addition, the terminal 100 is connected to the card terminal 105 and a predetermined short-range communication channel, PCS (Personal Communication System), GSM (Global System for Mobile) terminal (100) operating based on the CDMA stack, smart Wireless LAN (WLAN), Bluetooth, which conforms to (or is compatible with) the IEEE 802.11x standard in the mobile communication terminal 100 including at least one of a smart phone, a WCDMA terminal 100, an HSDPA terminal 100, and the like. Short-range wireless communication means, such as Wi-Fi, USB, and / or short-range optical communication means such as infrared ray communication, and / or LAN (LAN) compliant with IEEE 802.x standard, IEEE 1394, USB, RS-232c A wireless terminal having at least one short-range communication means such as a short-range wired communication means such as RS-485, and connected to the short-range communication means provided in the card terminal 105 by a predetermined short-range communication through the short-range communication means ( 100) at least one Preferably, when the short range communication means supports the VoIP communication protocol, the wireless terminal 100 may further perform the function of the VoIP terminal 100.

In addition, the terminal 100 to which the card terminal 105 and a predetermined short-range communication channel are connected may be short-range wireless such as WLAN, Bluetooth, Wi-Fi, USB, or the like conforming to (or compatible with) the IEEE 802.11x standard. Short-range optical communication means such as communication means, and / or infrared ray communication, and / or short-range wired lines such as LAN, IEEE 1394, USB, RS-232c, RS-485, etc. conforming to the IEEE 802.x standard. At least one VoIP terminal 100 having at least one short-range communication means of the communication means, and connected to the short-range communication means provided in the card terminal 105 and the short-range communication supporting the VoIP communication protocol through the short-range communication means It is preferable to include one or more.

According to one embodiment of the invention, the bridge function of the communication protocol stack according to the present invention in the card terminal 105, the hardware device configuration and / or software in the development and / or manufacturing stage of the card terminal 105 It can be realized by mounting on the card terminal 105, including the functional configuration, by which the present invention is not limited.

According to another embodiment of the present invention, the bridge function of the communication protocol stack according to the present invention in the card terminal 105 is, after the card terminal 105 is developed and / or manufactured, the communication protocol according to the present invention The program including the bridge function of the stack can be realized by recording on a predetermined recording medium provided in the card terminal 105, whereby the present invention is not limited.

According to another embodiment of the present invention, in the card terminal 105, a part of the bridge function of the communication protocol stack according to the present invention is a hardware device configuration and the development and / or manufacturing stage of the card terminal 105 and And / or mounted via a software functional configuration, the rest of which is developed and / or manufactured by the card terminal 105, and then includes a program including a bridge function of a communication protocol stack according to the present invention. It can be realized by recording on a predetermined recording medium provided in the present invention, whereby the present invention is not limited.

For example, in order to connect the card terminal 105 to a predetermined wireless communication network, an antenna unit, an RF processor, an IF processor, and a baseband unit must be provided, wherein the hardware device configuration includes the antenna unit, the RF processor, and the IF. And at least one electrical / electronic device and a circuit corresponding to the processing unit and the baseband unit, wherein the software functional configuration controls the operation of the antenna unit, the RF processing unit, the IF processing unit, and the baseband unit, and controls the operation. It includes a program for processing a communication protocol defined in the wireless communication network through.

In particular, the program (for example, a program that controls the operation of the antenna unit, the RF processing unit, the IF processing unit and the baseband unit, and processes the communication protocol defined in the wireless communication network through the operation control) is a firmware (Firmware) In the form of memory in the device configuration (e.g., Read Only Memory (ROM) and / or Erratable Programmable Read Only Memory (EPROM) and / or Electrically Erasable and Programmable Read Only Memory (EEPROM, etc.)) and / or the The card terminal 105 may be recorded in a memory provided in the card terminal 105 in the form of a predetermined system program (and / or application program according to the intention of a person skilled in the art) included in the operating system of the card terminal 105. The present invention is not limited thereby.

The card terminal 105 having a bridge function of the communication protocol stack is connected to a predetermined backbone network through a predetermined communication network including at least one of the wireless communication networks.

In addition, the card terminal 105 with a bridge function of the communication protocol stack is characterized in that a predetermined communication channel is connected to the van server provided in the bansa corresponding to the card terminal 105 through the backbone network. Accordingly, the card terminal 105 communicates with the payment server provided in the card issuer that issued the card having at least one payment means to at least one or more customers through the van server to which the communication channel is connected. The customer-owned card by sending and receiving a payment authorization request message and / or a payment authorization message corresponding to a protocol (eg, a WCDMA / HSDPA based communication protocol and / or an IEEE 802.16x based communication protocol and / or an IEEE 802.11x based communication protocol). The electronic payment procedure will be performed.

Here, a series of network configurations including the wireless communication network and the vanbone network and the van server, and / or a dedicated communication network connecting the van server and the card issuing party payment server are owned by the card terminal 105. The card is used to form a payment communication network (eg, a value added communication network) for performing a predetermined electronic payment procedure.

In addition, the card terminal 105 having a bridge function of the communication protocol stack is characterized in that a predetermined communication channel is connected to at least one server (and / or the terminal 100) through the backbone network.

For example, a card terminal 105 having a bridge function of the communication protocol stack is connected to a web server and a client / server based communication channel on the Internet through the backbone network, and / or the terminal 100 device on the Internet. And peer to peer (P2P) based communication channels may be connected.

In addition, the card terminal 105 with a bridge function of the communication protocol stack is a network defined to provide a specific application service (eg, based on (or based on a backbone)) a predetermined application network connected to the backbone network. It is characterized in that a predetermined communication channel is connected to the server (and / or the terminal 100) on.

For example, a card terminal 105 having a bridge function of the communication protocol stack may have a predetermined communication channel with a server (for example, a VoIP server) on an application network such as a predetermined VoIP (Voice over IP) network connected to the backbone network. And / or a communication channel may be connected with the VoIP terminal 100 on the VoIP network.

In addition, the card terminal 105 having a bridge function of the communication protocol stack may include a terminal on a predetermined external network (for example, a network connected through an application network and a gateway) connected to a predetermined application network connected to the backbone network. 100) characterized in that the device and the predetermined communication channel is connected.

For example, a card terminal 105 having a bridge function of the communication protocol stack may be a server on a public switched telephone network (for example, an automatic response service (ARS) server) connected to a predetermined VoIP network connected to the backbone network. And a predetermined communication channel may be connected, and / or a communication channel may be connected to the call terminal 100 on the VoIP network.

Figure 2 illustrates a preferred functional configuration of a card terminal 105 having a bridge function of a communication protocol stack according to an embodiment of the present invention.

In more detail, FIG. 2 illustrates a W-CDMA and / or HSDPA-based wireless network, an IEEE 802.11x-based wireless network, and an IEEE 802.16x-based wireless network, which are provided at an affiliated store for at least one electronic payment process and operate based on a CDMA stack. Wireless communication means for connecting (and / or communication connection) to at least one or more wireless communication networks of a communication network, and at least one local communication means for at least one of a short range wireless communication means and / or a short distance optical communication means and / or a short distance wired communication means. And a preferred functional configuration of the card terminal 105 for bridging the short-range communication means and the wireless communication means on a communication protocol stack, and a person skilled in the art to which the present invention pertains, FIG. And at least one wireless communication means and near field communication means for reference and / or modification; Although various functional configurations may be inferred for the card terminal 105 for bridging the new means and the short-range communication means on the communication protocol stack, the present invention includes all the inferred implementation methods, and is shown in FIG. It is not limited to the method.

In FIG. 2 according to the preferred embodiment of the present invention, the wireless communication means provided in the card terminal 105 having the bridge function of the communication protocol stack includes W-CDMA and / or HSDPA operating based on a CDMA stack. Wireless communication means for accessing an IEEE 802.11x-based WLAN network, and wireless communication means for accessing an IEEE 802.16x-based portable Internet. Although it is shown, the card terminal 105 may be provided with only one of the wireless communication means of the wireless communication means, whereby the present invention is not limited.

In FIG. 2, the near field communication means used by the card terminal 105 having the bridge function of the communication protocol stack includes at least one of near field wireless communication means, near field optical communication means, and near field wired communication means. Although shown, the short-range communication means provided in the card terminal 105 may be provided with any one of the short-range communication means of the short-range wireless communication means, short-range optical communication means, short-range wired communication means, thereby limiting the present invention. Not.

That is, the functional configuration of the card terminal 105 shown in FIG. 2 is only for efficiently describing the technical features of the card terminal 105 equipped with the bridge function of the communication protocol stack according to the present invention. The present invention is not limited to the illustrated embodiments, but rather can be inferred from various application methods of the present invention by those skilled in the art to which the present invention pertains.

Of course, it is apparent that the present invention includes all implementation methods inferred by referring to and / or modifying this drawing as described above.

Referring to FIG. 2, the card terminal 105 having a bridge function of the communication protocol stack includes a control unit 205 for controlling and operating the overall functions of the card terminal 105, and the card terminal 105. And a memory unit 250 for storing information (or data) necessary for controlling and operating the overall function, and / or recording a program necessary for controlling and operating the overall function of the card terminal 105. And a card reader unit 235 for reading predetermined payment means information from a customer-owned card equipped with at least one payment means for a predetermined electronic payment process, and a screen output function of the card terminal 105. A screen output unit 210, a sound processor 215 for a sound input / output function of the card terminal 105, and a key input unit 220 for a key input function of the card terminal 105. Characterized in that it is basically provided, in order to safer and more efficient electronic payment processing according to the intention of those skilled in the art is provided with a secure application module (225) (Secure Application Module (SAM), and / or in the electronic payment processing It is preferable to further include a predetermined print output unit 240 for printing the receipt.

According to the present invention, a card terminal 105 having a bridge function of the communication protocol stack processes the card terminal 105 to communicate with a W-CDMA and / or HSDPA based wireless communication network operating based on a CDMA stack. A WCDMA / HSDPA communication processor 255, an IEEE 802.11x communication processor 260 for processing the card terminal 105 to communicate with an IEEE 802.11x-based wireless communication network, and an IEEE 802.16x-based card terminal 105 And at least one wireless communication processor of the IEEE 802.16x communication processor 265 for processing to communicate with the wireless communication network.

According to the present invention, the card terminal 105 having the bridge function of the communication protocol stack is connected to the terminal 100 having a predetermined short range wireless communication unit and a predetermined short range wireless communication channel to connect the short range wireless communication channel. The short-range wireless communication unit 270 for processing a predetermined short-range wireless communication corresponding to the terminal 100 having a predetermined short-range optical communication means and a predetermined short-range optical communication channel are connected to correspond to the short-range optical communication channel. A predetermined short-range corresponding to the short-range wired communication channel by connecting a short-range optical communication unit 275 that processes a predetermined short-range optical communication, a terminal 100 having a predetermined short-range wired communication means, and a predetermined short-range wired communication channel; A short distance wired communication unit 280 for processing wired communication is provided.

In addition, the card terminal 105 having a bridge function of the communication protocol stack includes a power supply unit 230 (eg, a power supply device and / or a battery, etc.) for supplying power required for the card terminal 105 to operate. It is characterized by further comprising).

The controller 205 includes a processor including a CPU / MPU in hardware and an execution memory (for example, a register and / or a random access memory (RAM)), and the card terminal 105 from the memory unit 250. Includes a predetermined program routine and / or a bus for inputting and outputting program data and a predetermined electronic circuit (or integrated circuit) provided therefor to realize the overall (and / or characteristic) function of And a program routine that is loaded into the execution memory from a predetermined memory unit 250 (and / or chipset) by software and is processed by the processor to realize at least one predefined function. And / or generic term of program data (hence, in the present invention, recorded on the recording medium of the card terminal 105 for the bridge function of the communication protocol stack). A definition program routine is illustrated and illustrated as being provided in the control unit 205 for convenience.) Various functions to be implemented in the card terminal 105 by the control unit 205 are realized. In order to realize the above, it is characterized by controlling and operating the overall operation of the card terminal 105.

In particular, when power is input to the card terminal 105 to perform a function of the controller 205 that controls and operates the overall operation of the card terminal 105, an operating system stored in a predetermined memory unit 250. Routines, system management routines, and / or system variables are loaded into the execution memory and computed by the processor to perform functions of providing an operating system, system management program, and / or communication service.

The screen output unit 210 drives a predetermined screen output device (eg, an LCD (Liquid Crystal Display) device, and / or a CRT (Cathode Ray Tube) device) provided in the card terminal 105, Predetermined screen output data (for example, screen output data generated by a screen output program routine) generated from the controller 205, key data generated through the key input unit 220, and the card terminal 105 And outputting various information, signals, and / or contents (eg, text contents, image contents, and / or multimedia contents) extracted and / or generated in a process of performing a predetermined function to the screen output device. To this end, the screen output unit 210 includes a driver for outputting the screen output information (and / or data) according to the resolution and / or the number of colors corresponding to the screen output device, etc. It is.

The sound processor 215 drives a sound input device (for example, a microphone) included in the card terminal 105, encodes a predetermined sound signal input from the sound input device, and sends it to the controller 205. Provide a sound, and / or drive a sound input device (eg, a speaker) provided in the card terminal 105, and decode a predetermined sound signal extracted and / or generated by the control unit 205. It is characterized in that output through the output device (for example, a speaker), for this purpose, the sound processing unit 215 is provided with a predetermined vocoder (Vocoder) and codec (Codec).

The sound processing unit 215 and the microphone to perform the function of the sound input means provided in the card terminal 105, or the sound processing unit 215 and the sound output provided in the card terminal 105 through the speaker Perform the function of the means.

The key input unit 220 is provided with at least one key button including a predetermined number key and / or a character key and / or a function key. Detects information (or signals) input from a key input device (e.g., a keypad, and / or a keyboard), and specifies a specific input mode of the card terminal 105 controlled by the control unit 205. And / or a predetermined information (or signal) is input from a predetermined key button provided in the keypad in an operation mode, so that at least one or more key events corresponding to the input information (or signal) (eg, MH_KEY_PRESSEVENT, MH_KEY_REPEATEVENT, When MH_KEY_RELEASEEVENT) is generated, the generated key event is provided to the controller 205, and the controller 205 is configured to perform the operation in the current input mode and / or operation mode of the card terminal 105. Read the predetermined key data corresponding to the key event (eg, from the key table for storing (managing) at least one or more key data corresponding to a specific key event in each card terminal 105 input mode and / or operation mode). Read key data in a key event) and / or read a command for executing a predetermined function defined in accordance with the key event. The keypad including the key input unit 220 and at least one key button interlocks with each other to perform a function of a key input unit provided in the card terminal 105.

The customer who receives the electronic payment service through the card terminal 105 may use an MS (Magnetic Stripe) card based on the ISO / IEC 7810 standard, and / or a contact IC card (or wireless) based on the ISO / IEC 7816 standard. IC chip) and / or a card including (or owning) at least one contactless IC card (or wireless IC chip) based on ISO / IEC 14443 standard, and the card reader unit 235 holds the card. It is characterized in that the interface for reading at least one or more information or data provided in the.

According to the embodiment of the present invention, the card reader unit 235 is an MS card reader unit 235 which provides an interface between the MS card and the card terminal 105, and / or the contact IC card and the card. A contact IC card reader 235 providing an interface between the terminals 105 and / or a contactless IC card reader 235 providing an interface between the contactless IC card and the card terminal 105. .

The MS card reader 235 is a card reader 235 based on ISO / IEC 7810. The MS card reader 235 includes at least one magnetic head including a predetermined coil. The magnetic head is moved in a predetermined direction in close contact with the magnetic head (or the magnetic head moves in close contact with an MS card in which predetermined information is recorded). By using a predetermined electrical signal is loaded on the interface of the predetermined information or data from the at least one or more tracks provided in the MS of the MS card to the card terminal (105).

The contact type IC card reader 235 is a card reader 235 based on ISO / IEC 7816. The contact type IC card reader 235 forms at least an electrical contact in contact with a chip on board (COB) provided in the contact type IC card. It comprises at least one contact point, and supplies power to the IC chip of the IC card through the contact point, and predetermined from the IC chip through the half-duplex transaction using an Application Protocol Data Unit (APDU) It is characterized in that the information or data of the interface to the card terminal 105.

The contactless IC card reader 235 is a card reader 235 based on ISO / IEC 14443. The contactless IC card reader 235 is contactless with a contactless IC card by using capacitive coupling and / or inductive coupling. It comprises at least one antenna making an electrical contact, the power supply to the IC chip of the IC card through the antenna, and predetermined from the IC chip through the half-duplex transaction using the APDU It is characterized by interfacing information or data to the card terminal 105.

According to the exemplary embodiment of the present invention, the card reader 235 is provided with predetermined card information (eg, in the card) from at least one or more card readers 235 for the electronic payment service defined in the card terminal 105. The payment means information corresponding to the payment means including at least one credit card, debit card, debit card, cash card, financial account).

The security application module 225 (SAM) is a confidentiality and / or authentication (required in the process of performing the electronic payment and / or electronic payment using the card terminal 105) ( Security requirements, including Authentication and / or Integrity and / or Nonrepudiation, are secure and trusted within the card terminal 105 without using an authentication server (or payment server) on the payment network. As a safety device for performing in a possible structure, a predetermined message (information or data) processed in the process of performing the predetermined security request function (for example, electronic payment and / or electronic payment function) by the card terminal 105 is performed. Adds an authenticator that encrypts or decrypts, prevents forgery (or tampering) of the message, or stores sensitive key information in the process of performing the security request function And performing a function according to claim.

In general, the security application module 225 is preferably composed of a predetermined security application module 225 inserter and a security application module 225 chip, the security application module 225 chip is a chip containing at least 8-bit CPU Application Specific Integrated Circuit (ASIC) chips (eg, PLCC 44-pin chips) and / or IC chips (eg, IC cards in the form of subscriber identity modules (SIMs)) with performance of 2 MIPS (Million Instructions Per Second) or more. It is preferable to comprise a.

In addition, the security application module 225 is at least one or more security application data (eg, at least one identifier, version, expiration date, issue date, code value, etc.) required for the card terminal 105 to perform a predetermined security request function ) And / or keys (e.g., one master key and at least one application key) and / or protocols (e.g., trading protocols, re-transaction protocols, previous transaction cancellation protocols, collection protocols, SAM issuance protocols, (e-money company / card company) Registration protocol, authorization protocol, mode switching protocol, key download protocol, SAM revocation protocol) and / or commands (e.g., at least one read / authentication / transmission / registration / setting / mode switching / collection / deletion / disposal / initialization) / Reprocessing / cancellation command).

The print output unit 240 may process the card terminal 105 to perform a predetermined function (e.g., an electronic payment processing function using a card) and / or predetermined information or data (e.g., payment processing) generated as a result. Outputting the result information or data) to a predetermined printing apparatus (for example, a receipt printer), and a printing protocol for printing the printing information or data through the predetermined printing apparatus in accordance with a predefined printing form; This includes the driver.

The WCDMA / HSDPA communication processor 255 transmits the card terminal 105 to a network component on a W-CDMA and / or HSDPA-based wireless communication network and the W-CDMA and / or via a W-CDMA and / or HSDPA-based communication protocol. Or wireless communication means for processing an HSDPA based communication protocol to perform wireless communication, comprising a device configuration including an antenna, an RF processing unit, an IF processing unit, and a baseband unit corresponding to the W-CDMA and / or HSDPA communication standard in hardware. And a system program (e.g., each) that causes the RF processor, the IF processor, and the baseband to process radio frequency signals transmitted and received through the antenna in software corresponding to the W-CDMA and / or HSDPA based communication protocols. Firmware included in the device configuration, and / or a system program included in (or included in) the operating system of the card terminal 105). It is preferably made, a preferred embodiment thereof will be described in detail with reference to Figure 3a.

The IEEE 802.11x communication processor 260 processes the card terminal 105 to wirelessly communicate the IEEE 802.11x based communication protocol with a network component on an IEEE 802.11x based external wireless communication network through an IEEE 802.11x based communication protocol. A wireless communication means, comprising a device configuration including an antenna, an RF processing unit, an IF processing unit, and a baseband unit corresponding to the IEEE 802.11x communication standard in hardware, and a radio frequency signal transmitted and received through the antenna in software. To a system program (e.g., firmware provided in each device configuration, and / or an operating system of the card terminal 105) for the RF processing unit, the IF processing unit, and the baseband unit to process the IEEE 802.11x based communication protocol. System program provided (or included)), Preferred embodiments are described in detail with reference to FIG. 3b.

The IEEE 802.16x communication processor 265 wirelessly processes the card terminal 105 to wirelessly communicate the IEEE 802.16x based communication protocol with a network component on an IEEE 802.16x based wireless communication network through an IEEE 802.16x based communication protocol. A communication means comprising hardware configuration comprising an antenna, an RF processing unit, an IF processing unit and a baseband unit corresponding to the IEEE 802.16x communication standard in hardware, and a radio frequency signal transmitted / received through the antenna in software. To a system program (e.g., firmware provided in each device configuration, and / or an operating system of the card terminal 105) for the RF processing unit, the IF processing unit, and the baseband unit to process the IEEE 802.16x based communication protocol. System programs provided (or included)), and Preferred embodiments are described in detail with reference to Fig. 3c.

The memory unit 250 is input and output when an operation by a predetermined program routine (or code) and / or program data (eg, a program routine (or code)) for controlling the overall operation of the card terminal 105 is performed. A general term for memory that stores information and / or data; read only memory (ROM) corresponding to read-only memory, flash memory (FM), and electrically erasable and programmable read only (EEPROM). And a nonvolatile memory including at least one of a memory, a hard disk drive, and the like.

In general, the ROM stores system information that should not be deleted, and the nonvolatile memory includes an operating system routine, a communication processing program routine, and / or various application program routines provided through the card terminal 105 and information or data therefor. Etc. are stored.

According to the present invention, the memory unit 250 stores communication parameter information in at least one communication network to which the card terminal 105 can be connected to provide a bridge function of the communication protocol stack. do.

Here, the communication parameter information is parameter information for accessing each communication network according to a communication protocol standard defined in at least one communication network to which the card terminal 105 can access, and the card terminal 105 includes at least one. In the process of connecting (and / or communication connection) to the above-described wireless communication network, basic information defined to transmit and receive with network components on each communication network is included.

According to the present invention, the memory unit 250 has the card terminal 105 through at least one of the short range communication unit of the short range wireless communication unit 270 and / or the short range optical communication unit 275 and / or the short distance wired communication unit 280. ) And address processing information corresponding to an address to be allocated to the terminal 100 to which the near field communication channel is connected.

In order for the terminal 100 connected to the card terminal 105 and a predetermined short range communication channel to connect (and / or communicate) to the communication network, the terminal 100 connected to the short range communication channel may be used in the wireless communication network. In general, the terminal 100 is not assigned an address for accessing (and / or communicating) the wireless communication network, and / or an address which cannot be used in the wireless communication network is assigned. have.

Accordingly, the card terminal 105 is a wireless communication network to which the terminal 100 connects (and / or communicates) through the card terminal 105 while the terminal 100 and the predetermined short-range communication channel are connected. In the present invention, a predetermined address that can be used must be allocated, and the address processing information includes information for allocating a predetermined address that can be used in a wireless communication network to the terminal 100.

According to an embodiment of the present invention, the terminal 100 is a predetermined address available in the wireless communication network from a dynamic address allocation server (for example, a DHCP server, not shown) on the wireless communication network bridged through the card terminal 105. An address may be dynamically allocated, wherein the address processing information is information corresponding to a procedure for the card terminal 105 to dynamically allocate a predetermined address from a dynamic address allocation server (not shown) on the wireless communication network. It is preferable to comprise a.

According to another exemplary embodiment of the present invention, the card terminal 105 may secure a predetermined address (and / or address area) to be allocated to the terminal 100 to which the local area communication channel is connected. In this case, the address processing information may include address information (and / or address area information) to be assigned to the card terminal 105.

According to another exemplary embodiment of the present invention, the card terminal 105 may have a predetermined virtual address (for example, an IPv4-based IP address, 192.168.0.1 to 255) to the terminal 100 to which the local area communication channel is connected. ") May be allocated, and the address processing information may include information for allocating a virtual address to the terminal 100.

According to the present invention, it is preferable that a predetermined communication program routine is stored in the memory unit 250 to provide a bridge function of the communication protocol stack. The communication program routine may include booting of the card terminal 105. And at the same time (or through a predetermined communication-related command) loaded into the execution memory of the control unit 205, whereby a functional configuration of a communication program routine for providing a bridge function of the communication protocol stack is provided for convenience. A block diagram in the control unit 205 will be described.

Referring to FIG. 2, a communication program routine that provides a bridge function of the communication protocol may be configured to connect to the terminal 100 when a predetermined short range communication channel is connected to the terminal 100 through at least one short range communication unit. An address processing unit 297 for allocating and processing an address for connecting to (and / or communicating with) a wireless communication network, and reading the packet information transmitted / received on the protocol stack to bridge the packet or to transmit / receive the packet. A bridge confirmation unit 295 for checking whether the card terminal 105 is to be used, and when the transmission and reception packet is bridged, the protocol stack corresponding to the short range communication unit and the protocol stack corresponding to the communication processing unit are bridged. A bridge function unit 285 is provided.

In addition, the communication program routine that provides the bridge function of the communication protocol, when bridging the transmission and reception packet as a result of the confirmation by the bridge confirmation unit 295, confirms whether to convert the transmission and reception packet structure, and in accordance with the confirmation result And a protocol conversion unit 290 for converting the transmission / reception packet to be bridged on a protocol stack.

In general, the application program (and / or the terminal 100 program for electronic payment processing) provided in the card terminal 105 is characterized in that the interworking with the highest layer on the communication protocol stack, the communication protocol stack of the lower layer It is built and developed with full trust.

That is, an application program (and / or terminal 100 program for electronic payment processing) provided in the card terminal 105 operates by calling an API (Application Program Interface) function corresponding to the highest layer on the communication protocol stack. The communication protocol stack of the lower layer may include the communication processing unit (eg, the WCDMA / HSDPA communication processing unit 255 and / or the IEEE 802.11x communication processing unit 260 and / or the IEEE 802.16x communication processing unit 265 and / or the IP-based communication protocol stack). And a system program provided in a communication processing unit, and / or a system program provided in an operating system of the card terminal 105. The application program (and / or terminal for electronic payment processing) 100) the program does not access the communication protocol stack of the lower layer.

According to the present invention, in the communication protocol structure as described above, the bridge function unit 285 is a communication processing unit (e.g., WCDMA / HSDPA communication processing unit 255 and / or IEEE 802.11x communication processing unit provided in the card terminal 105). 260 and / or a communication protocol layer (eg, a physical layer, a data link layer) corresponding to the IEEE 802.16x communication processing unit 265 and / or an IP based communication processing unit, and an operating system of the card terminal 105. And a logical bridge function layer that logically bridges a protocol layer corresponding to the local area communication unit and a protocol layer corresponding to the external communication unit between the established communication protocol layers.

According to an embodiment of the present invention, the logical bridge function layer is included in a predetermined protocol layer on the communication protocol layer provided in the card terminal 105, and / or in at least two or more protocol layers according to the function of each layer. All of them can be included separately, and the present invention is not limited thereto.

According to one embodiment of the present invention, the protocol stack above the logical bridge function layer preferably includes a structure included in a hierarchical structure corresponding to the main communication protocol stack provided in the card terminal 105, The protocol stack below the logical bridge functional layer has a hierarchical structure corresponding to a main communication protocol stack provided in the card terminal 105, and a layer corresponding to at least one or more other communication protocol stacks bridged by the logical bridge functional layer. It is preferred to include the structure.

That is, it is preferable that the upper layer performs protocol stack processing for using the packet terminal transmitted and received through the protocol stack in the card terminal 105 based on the logical bridge function layer, and bridged by the logical bridge function layer. Preferably at least two protocol layers corresponding to the protocol stack to be located beneath the logical bridge functional layer.

For example, the card terminal 105 is a main communication protocol stack is a WCDMA / HSDPA communication protocol (= card terminal 105 is connected (and / or communication connection) to a WCDMA / HSDPA-based wireless communication network, the logical bridge functional layer) If the WCDMA / HSDPA communication protocol layer is provided in a specific layer, at this time, the upper layer of the layer with the logical bridge function layer is implemented as the WCDMA / HSDPA communication protocol layer, the logical bridge function layer is provided The lower layer of the layer includes a lower layer of the WCDMA / HSDPA communication protocol stack and includes a lower layer of at least one or more other protocol stacks bridged through a logical bridge function layer.

In this case, the logical bridge function layer bridges at least two or more protocol stacks located in a lower layer based on a WCDMA / HSDPA communication protocol stack corresponding to the main communication protocol stack, and / or are mutually compatible. Bridge protocol layers between them.

For example, the card terminal 105 is a main communication protocol stack is an IEEE 802.11x communication protocol (= card terminal 105 is connected (and / or communication connection) to an IEEE 802.11x-based external wireless communication network, the logical bridge function If a layer is provided in a specific layer of the IEEE 802.11x communication protocol layer, then an upper layer of the layer provided with the logical bridge function layer is implemented as the IEEE 802.11x communication protocol layer, and the logical bridge function layer is provided. The lower layer of the defined layer includes a lower layer of the IEEE 802.11x communication protocol stack and also includes a lower layer of at least one or more other protocol stacks bridged through a logical bridge function layer.

In this case, the logical bridge function layer bridges at least two protocol stacks located in a lower layer with each other, and / or are compatible with each other in the same protocol layer based on the IEEE 802.11x communication protocol stack corresponding to the main communication protocol stack. Bridge protocol layers between them.

For example, the card terminal 105 is the main communication protocol stack is IEEE 802.16x communication protocol (= card terminal 105 is connected (and / or communication connection) to the IEEE 802.16x based wireless communication network, and the logical bridge functional layer) If a specific layer of the IEEE 802.16x communication protocol layer is provided, then an upper layer of the layer where the logical bridge function layer is provided is implemented as the IEEE 802.16x communication protocol layer, and the logical bridge function layer is provided. The lower layer of the layer includes a lower layer of the IEEE 802.16x communication protocol stack and also includes a lower layer of at least one or more other protocol stacks bridged through a logical bridge function layer.

In this case, the logical bridge function layer bridges at least two protocol stacks located in a lower layer with each other, and / or are compatible with each other based on the IEEE 802.16x communication protocol stack corresponding to the main communication protocol stack. Bridge protocol layers between them.

The address processing unit 297 is provided through at least one of the short range wireless communication unit 270 and / or the short range optical communication unit 275 and / or the short range wired communication unit 280 provided in the card terminal 105. When the terminal 100 and the short-range communication channel are connected, a predetermined address for accessing (and / or communicating) the wireless communication network to the terminal 100 using the address processing information stored in the memory unit 250. It is characterized in that for assigning and processing.

According to an exemplary embodiment of the present invention, the address processing unit 297 extracts address processing information including dynamic address allocation server information existing on the wireless communication network from the memory unit 250, and extracts the address processing information. On the basis of this, it is preferable to access a dynamic address assignment server located on the wireless communication network, request a predetermined address to be allocated to the terminal 100, and allocate the allocated address to the terminal 100. The terminal 100 connected to the card terminal 105 and a predetermined short-range communication channel connects to the wireless communication network with the assigned address through a bridge function on a protocol stack provided in the card terminal 105 (and / or communication). Connection).

According to another exemplary embodiment of the present invention, the address processing unit 297 may assign predetermined address information (and / or address area information) to be allocated from the memory unit 250 to the terminal 100 to which the local area communication channel is connected. It is preferable to extract predetermined address processing information including and to assign a predetermined address to the terminal 100 based on the address information (and / or address area information) included in the address processing information. The terminal 100 connected to the card terminal 105 and a predetermined short-range communication channel connects to the wireless communication network with the assigned address through a bridge function on a protocol stack provided in the card terminal 105 (and / or communication). Connection).

According to another exemplary embodiment of the present invention, the address processing unit 297 may be allocated to the terminal 100 to which the local area communication channel is connected from the memory unit 250 (eg, overlapping with another terminal 100). Extracts predetermined virtual address information (eg, “192.168.0.1 to 255” for an IPv4-based IP address), and assigns the predetermined virtual address information to the terminal 100 based on the virtual address information included in the address processing information. It is preferable to assign an address of the terminal 100, whereby the terminal 100 connected to the card terminal 105 and a predetermined short-range communication channel is connected to the assigned address through a bridge function on a protocol stack provided in the card terminal 105. It is possible to connect (and / or communicate) with the wireless communication network.

According to an exemplary embodiment of the present invention, the method of the address processor 297 assigning and processing a predetermined address obtained through the address processing information to the terminal 100 to which the local area communication channel is connected may include the local area communication channel. It is preferable to directly allocate a predetermined address obtained in correspondence with the address processing information in the connected terminal 100. In such an embodiment, a short-range communication unit operating based on a predetermined address in the terminal 100 may be used. It is provided, and can be effectively implemented when the short-range communication means is provided with a function configuration that can dynamically allocate a predetermined address.

For example, when a function configuration for allocating a predetermined address is provided in the terminal 100 provided in the terminal 100 to which the card terminal 105 and the short-range communication channel are connected (for example, the terminal 100). When the short-range communication means provided in the operation through the address assignment), the address processing unit 297 is provided to the terminal 100 by providing the terminal 100 with the address obtained corresponding to the address processing information Configured to allocate the address dynamically through the configuration of address assignment related functions.

According to an exemplary embodiment of the present invention, the method of the address processor 297 assigning and processing a predetermined address obtained through the address processing information to the terminal 100 to which the local area communication channel is connected may include the local area communication channel. Preferably, the connected terminal 100 logically allocates a predetermined address obtained corresponding to the address processing information. In such an implementation method, the short-range communication means provided in the terminal 100 is based on a predetermined address. It can be effectively implemented when the operation is not performed or the local area communication means is operated based on a predetermined address, but there is no function configuration for dynamically allocating the address.

Here, logically allocating the address to the terminal 100 means that the card terminal 105 allocates the address without directly assigning the predetermined address obtained through the address processing information to the terminal 100. When the packet is requested to be transmitted to the wireless communication network through the short-range communication channel after receiving the temporary processing by interworking with the short-range communication channel information (and / or short-range terminal 100 information), The card terminal 105 converts the packet into a packet structure through which the stored address is transmitted to the wireless communication network, and / or adds the stored predetermined address to the packet (and the packet terminal 105). And / or insert) to transmit to the wireless network.

Alternatively, when a packet to be finally received from the wireless communication network to the terminal 100 is received, the packet terminal compares the packet with the address included in the received packet and the stored address to compare the packet to the local area communication channel. And converting into a packet structure corresponding to and / or enhancing (and / or erasing) an address included in the received packet in the card terminal 105 and transmitting the same to the terminal 100.

The bridge checking unit 295 may be determined through at least one of the short range wireless communication unit 270 and / or the short range optical communication unit 275 and / or the short range wired communication unit 280 provided in the card terminal 105. When a predetermined packet is received through the short-range communication channel with the terminal 100 of (for example, when a packet transmitted from the terminal 100 flows into the card terminal 105), the received packet is read and the Whether to use the packet in the card terminal 105, and / or bridge to the wireless communication network through the bridge function of the protocol stack according to the invention.

In addition, when the bridge check unit 295 bridges the packet to a protocol stack corresponding to the communication processing unit, the bridge check unit 295 checks whether the packet is a packet for payment processing or a packet for general data communication. Should be

According to an embodiment of the present invention, a packet received through the near field communication channel to the card terminal 105 is moved to a higher layer while packet information corresponding to each protocol layer is removed from a lower layer on a protocol stack corresponding to a near field communication unit. The logical bridge function layer is provided and reaches the logical bridge function layer. When the packet including at least one packet information reaches the logical bridge function layer from a lower layer on a protocol stack corresponding to the local area communication unit, By reading the packet information contained in the packet (e.g., destination information where the packet was last transmitted), it is preferable to confirm whether the packet is to be used by the card terminal 105 and / or transmitted to the wireless communication network.

If it is confirmed that the packet is not bridged on the protocol stack, the packet is provided by the bridge function 285 to an upper layer of the logical bridge function layer and is provided in the card terminal 105. It is processed through a program (and / or terminal 100 program for electronic payment processing).

On the other hand, if it is confirmed that the packet is bridged on the protocol stack, the packet corresponds to a communication processor provided in the card terminal 105 via the logical bridge function layer by the bridge function unit 285. Bridged to the stack and sent to the wireless network.

Also, when a predetermined packet is generated in the card terminal 105 (eg, a packet generated in an upper layer of the main protocol stack provided in the card terminal 105), the bridge checking unit 295 may perform the logical bridge. Reaching the functional layer), reading the generated packet to determine whether to transmit the packet through a protocol stack corresponding to the communication processor to a wireless communication network and / or bridge it to a protocol stack corresponding to the local area communication unit. Characterized in that.

According to the exemplary embodiment of the present invention, the data to be transmitted to the outside generated by the card terminal 105 is provided to the lower layer while the packet information corresponding to each protocol layer is added from the upper layer on the communication protocol layer, and the lowest layer ( For example, the physical layer transmits the communication packet including at least one packet information corresponding to each layer (for example, destination information where the packet was last transmitted) to the outside as described above. Reads packet information included in the packet when a packet including at least one packet information arrives from the upper layer, and transmits the packet to a wireless communication network, and / or the local area communication channel. It is preferable to check whether to transmit to the terminal 100 through.

If it is confirmed that the packet is not bridged on the protocol stack, the packet is transmitted by the bridge function 285 to a wireless communication network through a main protocol stack connected to a lower layer of the logical bridge function layer.

On the other hand, if it is confirmed that the packet is bridged on the protocol stack, the packet corresponds to a short range communication unit provided in the card terminal 105 via the logical bridge function layer by the bridge function unit 285. Bridged to the stack is transmitted to the terminal 100 through the short-range communication channel.

When a predetermined packet is received from a wireless communication network through the communication processing unit included in the card terminal 105, the bridge checking unit 295 reads the received packet and transmits the packet to the card terminal 105. Whether to use and / or bridge to a predetermined terminal 100 through the bridge function of the protocol stack according to the present invention.

According to an embodiment of the present invention, a packet received from the wireless communication network to the card terminal 105 is provided to a higher layer while packet information corresponding to each protocol layer is removed from a lower layer of the main protocol stack. As described above, data in which each packet information is removed from each layer is provided to the application program (and / or the terminal 100 program for electronic payment processing), and the bridge check unit 295 provides at least one packet information. When the containing packet reaches the logical bridge function layer from a lower layer of the main protocol stack, the packet information is read by the packet information included in the packet (e.g., destination information to which the packet was last transmitted). ) And / or whether to transmit to the terminal 100 through the local area communication channel. This is preferred.

If it is confirmed that the packet is not bridged on the protocol stack, the packet is provided by the bridge function 285 to an upper layer of the logical bridge function layer and is provided in the card terminal 105. It is processed through a program (and / or terminal 100 program for electronic payment processing).

On the other hand, if it is confirmed that the packet is bridged on the protocol stack, the packet corresponds to a short range communication unit provided in the card terminal 105 via the logical bridge function layer by the bridge function unit 285. Bridged to the stack is transmitted to the terminal 100 through the short-range communication channel.

The protocol conversion unit 290 is characterized in that it is provided with a function to determine whether to convert the transmission and reception packet structure, when the bridge check unit 295 to bridge the transmission and reception packets.

For example, when the short range communication means is USB, the USB packet generated by the protocol stack corresponding to the USB has a packet structure that can be transmitted to the wireless communication network through the wireless communication means provided in the card terminal 105. In this case, the protocol conversion unit 290 confirms to convert the USB packet into a packet structure that can be transmitted to the wireless communication network.

If it is confirmed that the transmission / reception packet structure needs to be converted, the protocol conversion unit 290 may convert the transmission / reception packet to be bridged on a protocol stack.

According to an embodiment of the present invention, when the protocol confirming unit 290 confirms that the packet is a packet for payment processing, the protocol confirming unit 290 identifies the packet as the SSL (Secure Sockets Layer) and And / or the WCDMA / HSDPA-based wireless network, such as Wireless Transport Layer Security (WTLS) and / or Authentication, Authorization and Accounting (AAA), and / or IEEE 802.16x-based wireless network, and / EH is an IEEE 802.11x external wireless network. Preferably, the method further comprises encrypting with a security protocol corresponding to the system.

According to an exemplary embodiment of the present invention, the protocol converter 290 converts a packet corresponding to the local area communication unit from a packet structure corresponding to the local area communication unit by using a packet defined in a protocol stack corresponding to the local area communication unit. Preferably, the method includes reading an encapsulating packet to read predetermined packet data, and encapsulating the read packet data into a packet structure defined in a protocol stack corresponding to the communication processor.

If the packet data size read from the packet corresponding to the local area communication unit is not compatible with the packet data size of the packet corresponding to the communication processing unit, the protocol converter 290 buffers the read packet data. It is preferable to further include a function to make the read packet data size compatible.

According to another exemplary embodiment of the present invention, a method of converting a packet corresponding to the short range communication unit into a packet structure corresponding to the communication processing unit by the protocol conversion unit 290 may be defined in a protocol stack corresponding to the short range communication unit. And adding (or inserting) packet information that can be transmitted to a wireless communication network through a communication processor provided in the card terminal 105 to a packet generated (and / or processed) in a packet structure.

According to an embodiment of the present invention, the protocol conversion unit 290 converts a packet corresponding to the communication processing unit from a packet structure corresponding to the short-range communication unit in the packet defined in the protocol stack corresponding to the communication processing unit. And encapsulating the packet to read predetermined packet data, and encapsulating the read packet data into a packet structure defined in a protocol stack corresponding to the short-range communication unit.

If the packet data size read from the packet corresponding to the communication processor is not compatible with the packet data size of the packet corresponding to the short range communication unit, the protocol converter 290 buffers the read packet data. It is preferable to further include a function to make the read packet data size compatible.

According to another exemplary embodiment of the present invention, the protocol converter 290 converts a packet corresponding to the communication processor into a packet structure corresponding to the short-range communication unit, which is defined in a protocol stack corresponding to the communication processor. And removing (or erasing) packet information that is not compatible with the protocol stack corresponding to the local area communication unit among the packet information included in the packet generated (and / or processed) in the packet structure.

3A, 3B, and 3C are diagrams showing a preferred configuration of the communication processing device configuration included in the card terminal 105 according to the embodiment of the present invention.

3A, 3B, and 3C show a card terminal 105 having a bridge function of the communication protocol stack shown in FIG. 2, which corresponds to a wireless communication network to which the card terminal 105 can be connected. A device configuration diagram of a communication processing device configuration, specifically, FIG. 3A illustrates a device configuration for the card terminal 105 to access a W-CDMA and / or HSDPA based wireless communication network operating based on a CDMA stack. 3b shows an embodiment of a device configuration for the card terminal 105 to access an IEEE 802.11x-based wireless communication network, and FIG. 3c shows the card terminal 105. An embodiment of a device configuration for accessing an IEEE 802.16x based wireless communication network is shown.

Those skilled in the art to which the present invention pertains can refer to and / or modify the drawings 3a, 3b, and 3c to implement various methods of communication processing device configuration corresponding to each wireless communication network (e.g., An integrated chip method) may be inferred, but the present invention includes all the inferred implementation methods, and is not limited to the implementation method shown in FIGS. 3A, 3B, and 3C.

Referring to FIG. 3a corresponding to a device configuration for the card terminal 105 to access a W-CDMA and / or HSDPA based wireless communication network operating based on a CDMA stack, the device configuration of the WCDMA / HSDPA based communication processor is An antenna for WCDMA / HSDPA-based wireless communication, an RF processor for processing a WCDMA / HSDPA-based radio frequency signal transmitted and received through the antenna, an IF processor for processing an radio frequency signal processed by the RF processor at an intermediate frequency; And a baseband unit for converting the intermediate frequency signal processed by the IF processor into a baseband signal.

According to an embodiment of the present invention, the baseband portion of the device configuration of the WCDMA / HSDPA-based communication processing unit is shown to be processed in a predetermined integrated chip (eg, MSM chip supplied by Qualcomm, Inc.), but the present invention is limited by this. It never happens.

Referring to FIG. 3B, which corresponds to a device configuration for the card terminal 105 to access an IEEE 802.11x-based wireless communication network, the device configuration of the IEEE 802.1x-based communication processing unit is a device configuration of the IEEE 802.11x-based communication processing unit. An antenna for IEEE 802.11x based wireless communication, an RF processor for processing an IEEE 802.11x based radio frequency signal transmitted and received through the antenna, an IF processor for processing the radio frequency signal processed by the RF processor as an intermediate frequency; And a baseband unit for converting the intermediate frequency signal processed by the IF processor into a baseband signal.

Referring to FIG. 3B, although the MAC processing unit is further configured to process a miracle band signal processed by the device-based baseband unit of the IEEE 802.1x-based communication processing unit as MAC data, the MAC processing unit may include the card. It may be processed in the form of a system program on the operating system provided in the terminal 105, whereby the present invention is not limited.

Referring to FIG. 3C corresponding to a device configuration for the card terminal 105 to access an IEEE 802.16x based wireless communication network, the device configuration of the IEEE 802.16x based communication processing unit includes an antenna for IEEE 802.16x based wireless communication; An RF processor for processing the IEEE 802.16x based radio frequency signal transmitted and received through the antenna, an IF processor for processing the radio frequency signal processed by the RF processor as an intermediate frequency, and an intermediate frequency signal processed by the IF processor It characterized in that it comprises a baseband portion for converting to a baseband signal.

The device configuration shown in FIG. 3c performs an up / down conversion function between an RF front end (FE) and a power amplification RF signal based on the antenna, the RF processing unit, the IF processing unit, and the baseband unit. Front End Module is composed of PA (Power Amplifier), RFSW (RF SWitch), and LNA (Low Noise Amplifier) FEM to convert the transmit / receive mode according to the control signal, power amplifier function of transmit signal, and low noise amplifier function of received signal. UPCM (UP Conversion Module) is composed of LPF, I / Q modulator, VGA, RF BPF and performs upconversion of baseband signal to RF signal, transmission power control function and filtering function -Conversion Module) is composed of RF BPF, RF mixer, VGA, I / Q demodulator, LPF, and DNCM is used to perform down conversion of RF signal to baseband signal, automatic gain control and filtering of received power. Device configuration is made.

In addition, the device configuration of the IEEE 802.16x-based communication processing unit includes a local oscillator module (LOM) consisting of a PLL and an RF VCO and a TDD scheme, and thus includes an antenna module (ANTM) that performs transmission and reception on the same antenna.

According to an exemplary embodiment of the present invention, the card terminal 105 having the bridge function of the protocol stack may be separately provided with each of the wireless communication device configurations shown in FIGS. 3A, 3B, and 3C. Thereby, this invention is not limited.

According to another exemplary embodiment of the present invention, the card terminal 105 having the bridge function of the protocol stack may be provided so that some of the respective wireless communication device configurations shown in FIGS. 3A, 3B, and 3C are shared. As such, the present invention is not limited thereto.

Hereinafter, a card terminal having a bridge function of the communication protocol stack based on a wireless communication means and / or a short range communication means supporting a communication protocol stack compatible with the OSI (Open Systems Interconnection) 7 layer among a plurality of communication protocols ( The technical features of 105 are shown and described.

However, the present invention is not only applicable to a communication protocol stack compatible with the OSI 7 layer, and a person having ordinary skill in the art to which the present invention pertains has another layer structure through the embodiment of the present invention shown below. Corresponding to each communication protocol stack made, including the technical features of the card terminal 105 equipped with a bridge function of the communication protocol stack according to the present invention, the present invention can be inferred all the implementation method It is not limited to the implementation method shown below.

4A, 4B, 4C, and 4D illustrate a logical bridge function hierarchical structure for providing a bridge function of a communication protocol stack according to an embodiment of the present invention.

4A, 4B, 4C, and 4D show an IEEE 802.16 protocol in which a card terminal 105 having a bridge function of the communication protocol stack supports an IEEE 802.16x based communication protocol stack compatible with an OSI 7 layer. at least one short-range wireless terminal 100 and / or at least one short-range wired terminal 100 that accesses (and / or communicates with) an x-based wireless network and includes a protocol stack that is compatible with the OSI 7 layer. When a predetermined short range communication channel is connected, a method for implementing a logical bridge functional layer for bridging a communication protocol stack corresponding to the short range communication channel and a communication protocol stack corresponding to an external communication network, specifically, FIG. Upper layer (and / or network layer) of the datalink layer on a communication protocol compatible with the OSI 7 layer Layer) illustrates an implementation method comprising a logical bridge function layer providing a bridge function of the communication protocol stack, and FIG. 4b shows an upper layer (and / or transport) of a network layer on a communication protocol compatible with the OSI 7 layer. A sub-layer of a layer) illustrates a method of implementing a logical bridge function layer providing a bridge function of the communication protocol stack, and FIG. And / or a logical bridge function layer providing a bridging function of the communication protocol stack in a sub-layer of the session layer), and FIG. 4D is a higher level of a session layer on a communication protocol compatible with the OSI 7 layer. Bridge function of the communication protocol stack at layer (and / or sublayer of presentation layer) The logical bridge function layer that provides shows the exemplary method is provided.

Those skilled in the art to which the present invention pertains may refer to and / or modify the present drawings 4a, 4b, 4c, and 4d so that the card terminal 105 may be used in addition to the IEEE 802.16x based wireless communication network. When connected to (and / or connected to) an external communication network (eg, an IP based wired communication network, and / or a WCDMA / HSDPA based wireless communication network, and / or an IEEE 802.11x based external wireless communication network, etc.), the corresponding local area communication channel Various implementation methods may be inferred for the logical bridge function layer for bridging the communication protocol stack corresponding to the communication protocol stack corresponding to the external communication network, but the present invention includes all the inferred implementation methods, and FIG. 4A. 4B and 4C and the method shown in FIG. 4D are not limited thereto.

Also, those skilled in the art may refer to and / or modify the drawings 4a, 4b, 4c, and 4d to present the invention on another communication protocol stack that is incompatible with the OSI 7 layer. Although various implementation methods may be inferred having a logical bridge function layer providing a bridge function of a communication protocol stack according to the present invention, the present invention includes all of the inferred implementation methods, and FIGS. 4A, 4B, and 4C. And the implementation method shown in FIG. 4D.

In addition, those of ordinary skill in the art to which the present invention pertains refer to and / or modify the drawings 4a, 4b, 4c, and 4d, and the communication protocol stack and OSI 7 layer compatible with the OSI 7 layer. It would be possible to infer various implementations having a logical bridge function layer that provides a bridge function of the communication protocol stack according to the present invention on an incompatible communication protocol stack, but the present invention includes all such inferred implementation methods. The present invention is not limited to the method shown in FIGS. 4A, 4B, 4C, and 4D.

4A, 4B, 4C, and 4D, the short-range optical communication function is omitted for convenience, but a person having ordinary knowledge in the art to which the present invention pertains, FIGS. 4A, 4B, 4C and 4C It would be easy to infer an implementation method of bridging a communication protocol stack corresponding to the near field communication function by referring to and / or modifying 4d.

4A, 4B, 4C, and 4D, the OSI 7 hierarchical structure configures and maintains a physical link to enable data communication through a predetermined communication network, and a communication line corresponding to the physical link. A physical layer that defines the mechanical, electrical, functional, and procedural characteristics for establishing and / or maintaining and / or breaking circuit connections for direct transmission of data bits through Once the link is established, the physical layer is controlled to define functions for data delivery reliability such as addressing, network topology, circuit usage rules, error detection, frame forwarding and flow control for the physical link. A network between a datalink layer and at least two communication systems that are physically connected through the communication network. Network Layer, which defines error control, flow control and multiplexing functions to provide path selection and connectivity, and virtual circuit construction, path maintenance, termination, and transmission for reliability of data transmission. And a transport layer that provides error detection, recovery, and flow control, wherein the physical layer, the data link layer, the network layer, and the transport layer provide reliability of data transmitted and received through a predetermined communication network. It is desirable to be defined for the primary purpose of the transmission.

In the OSI 7 hierarchical structure, the network layer further performs a function of correcting that an order of a packet is changed or an error occurs, and TCP and / or UDP are defined in the network layer.

According to an embodiment of the present invention, in the OSI 7 hierarchical structure, the physical layer and the data link layer include a hardware device configuration of a communication processing unit provided in the card terminal 105, and / or the configuration of the communication device. It is preferable to include corresponding firmware, whereby the logical bridge function layer providing the bridge function of the communication protocol stack according to the present invention is preferably defined at an upper layer of the physical layer and the data link layer.

According to another embodiment of the present invention, a logical bridge function layer that provides a bridge function of the communication protocol stack may be manufactured in the form of firmware and defined in the data link layer and / or the physical layer, thereby limiting the present invention. Not.

According to another exemplary embodiment of the present invention, a partial local area communication unit which is not compatible with the OSI 7 layer structure may also include a function unit corresponding to the physical layer of the OSI 7 layer and a function unit corresponding to the MAC layer of the OSI 7 layer. It includes a portion, wherein some short-range communication unit which is not compatible with the OSI 7 layer structure also provides a bridge function of the communication protocol stack according to the present invention in the upper layer of the layer corresponding to the physical layer and MAC layer of the OSI 7 layer. A logical bridge function layer may be defined, and the present invention is not limited thereto.

For example, when the local area communication unit supports USB-based local area wired communication, the card terminal 105 may correspond to a USB controller corresponding to the physical layer of the OSI 7 layer and the MAC layer of the OSI 7 layer. A controller control program is provided.

4A, 4B, 4C, and 4D, the OSI 7 hierarchical structure provides a function of configuring, managing, and terminating a communication session between applications provided in at least two communication systems connected through a predetermined communication network. A session layer defining a presentation layer, a presentation layer defining data conversion, compression, and encryption / decryption functions between applications provided in at least two communication systems connected through a predetermined communication network; And an application layer corresponding to an application program included in at least two communication systems connected through a communication network.

According to an embodiment of the present invention, the session layer and / or the presentation layer and / or the application layer may be integrated into one layer according to the functional characteristics of the card terminal 105 providing the bridge function of the communication protocol stack. As such, the present invention is not limited thereto.

4A, 4B, 4C, and 4D, the card terminal 105 includes a physical layer corresponding to the IEEE 802. 16x standard for accessing and providing a communication connection to the IEEE 802.16x based communication network. And a data link layer including a MAC layer corresponding to the IEEE 802.11x standard.

The physical layer corresponding to the IEEE 802.16x standard uses a network component (eg, RAS) on the card terminal 105 and an IEEE 802.16x based wireless communication network through a time division duplex / orthogonal frequency division multiple access (TDD / OFDMA) scheme. Radio access system) and the like, wherein the wireless communication section comprises at least one server (and / or a wired communication section including a backbone network corresponding to the IEEE 802.11x-based wireless communication network). Or card terminal 105).

The MAC layer included in the data link layer corresponding to the IEEE 802. 16x standard includes three convergence sublayers (CS), a MAC common part sublayer (CPS), and a privacy sublayer. Convergence layer for each service performs conversion or mapping function to MAC SDU so that data of external network received through CS SAP (Service Access Point) can be transmitted to MAC layer CPS through MAC SAP. In addition, these multiple CS specifications enable connection with various protocols.

Among the MAC layers, MAC CPS provides core MAC layer functions such as system access, bandwidth allocation, connection establishment, and connection management, and the privacy sublayer includes authentication, secure key exchange, and encryption. And so on.

In addition, it includes a 48-bit medium access control layer address defined in the MAC PDU (eg, 802-2001 (R)) on the data link layer, and 16-bit connections are allocated per card terminal 105 when accessing a base station (RAS). Structure identified by CID).

Those skilled in the art to which the present invention pertains will be familiar with the technical features of the MAC layer included in the physical layer and the data link layer with reference to the IEEE 802.16x communication protocol specification. Detailed description of the physical layer and the data link layer corresponding to the 802. 16x communication protocol specification is omitted for convenience.

Referring to FIG. 4A, the logical bridge functional layer is provided at an upper layer (and / or sub-layer included in a network layer) of the data link layer, wherein the logical bridge functional layer is the data link. The physical layer and MAC layer of the IEEE 802.16x communication protocol stack and the MAC layer (and / or LLC layer) of the short range wireless communication protocol stack provided in the card terminal 105 in an upper layer (and / or network layer) of the layer. ) And / or bridge the physical layer on a protocol stack, and / or protocol the physical layer and MAC layer of the IEEE 802.16x communication protocol stack and the MAC layer and physical layer of the short-range wired communication protocol stack provided in the card terminal 105. Bridge on the stack.

In addition, the logical bridge function layer provided in an upper layer (and / or sub-layer included in the network layer) of the data link layer may include a presentation layer, a session layer, and a transport layer at an application layer on the communication protocol stack. In addition to the function of transmitting and receiving the communication packet provided to the network layer to the IEEE 802.16x based wireless communication network through the MAC layer and the physical layer of the IEEE 802.16x communication protocol stack, the short-range provided in the card terminal 105 Bridge and transmit and receive to the MAC layer (and / or LLC layer) and the physical layer of the wireless communication protocol stack, or bridged and transmitted to the MAC layer and physical layer of the short-range wired communication protocol stack provided in the card terminal 105 further. It is characterized by comprising.

In FIG. 4A, the logical bridge function layer is illustrated as a sub-layer provided above the network layer for convenience. However, the logical bridge function layer is a sub-layer existing between the network layer and the data link layer. It may be a sub-layer provided below the network layer, whereby the present invention is not limited.

Referring to FIG. 4B, the logical bridge functional layer is provided at an upper layer (and / or sub-layer included in the transport layer) of the network layer, wherein the logical bridge functional layer is The physical layer, MAC layer, and network layer of the IEEE 802.16x communication protocol stack and the network layer, MAC layer (and / or MAC) of the short range wireless communication protocol stack provided in the card terminal 105 in an upper layer (and / or transport layer). Or LLC layer) and a physical layer on a protocol stack, and / or a network of a short-range wired communication protocol stack provided in the card terminal 105 and the physical layer, MAC layer and network layer of the IEEE 802.16x communication protocol stack. Bridge the layer, MAC layer and physical layer on the protocol stack.

The logical bridge function layer provided in an upper layer (and / or sublayer included in a transport layer) of the network layer may include a presentation layer and an application layer at an application layer on the communication protocol stack and the transport layer. In addition to the function of transmitting and receiving the communication packet provided to the IEEE 802.16x based wireless communication network through the network layer, MAC layer and physical layer of the IEEE 802.16x communication protocol stack, the short-range provided in the card terminal 105 Bridge and transmit to the network layer, MAC layer (and / or LLC layer) and the physical layer of the wireless communication protocol stack, or the network layer, MAC layer and physical layer of the short-range wired communication protocol stack provided in the card terminal 105 It is characterized in that it further comprises a bridge to transmit and receive.

If the network layer does not exist in the protocol stack corresponding to the local area communication unit in the embodiment illustrated in FIG. 4B, the upper layer (and / or transport layer) of the network layer of the IEEE 802.16x based communication protocol stack is included. The logical bridge function layer provided in the sub-layer includes a network layer, a MAC layer and a physical layer of the IEEE 802.16x communication protocol stack, and a MAC layer (and / or a short-range wireless communication protocol stack provided in the card terminal 105). LLC layer) and the physical layer directly on the protocol stack, and / or the network layer, MAC layer and physical layer of the IEEE 802.16x communication protocol stack and the MAC of the short-range wired communication protocol stack provided in the card terminal 105. It is possible to bridge the layer and the physical layer directly on the protocol stack, thereby It was not limited.

In FIG. 4B, the logical bridge function layer is illustrated as a sub-layer provided above the transport layer for convenience, but the logical bridge function layer is a sub-layer existing between the transport layer and the network layer, and / or the transmission. It may be a sublayer provided below the hierarchy, and the present invention is not limited thereby.

Referring to FIG. 4C, the logical bridge functional layer is provided at an upper layer (and / or sub-layer included in the session layer) of the transport layer, wherein the logical bridge functional layer is Physical layer, MAC layer, network layer, and transport layer of the IEEE 802.16x communication protocol stack in the upper layer (and / or session layer) and transport layer, network layer of the short range wireless communication protocol stack provided in the card terminal 105 Bridge the MAC layer (and / or LLC layer) and the physical layer over a protocol stack, and / or to the card terminal 105 and the physical layer, MAC layer, network layer and transport layer of the IEEE 802.16x communication protocol stack. Bridge the transport layer, network layer, MAC layer and physical layer of the prepared short-range wired communication protocol stack on the protocol stack The features.

The logical bridge function layer provided in an upper layer (and / or a sublayer included in a session layer) of the transport layer may be a communication packet provided to the session layer through a presentation layer at an application layer on the communication protocol stack. A short-range radio provided in the card terminal 105 in addition to a function of transmitting / receiving to the IEEE 802.16x based wireless communication network through a transport layer, a network layer, a MAC layer, and a physical layer of the IEEE 802.16x communication protocol stack. The transmission layer, network layer, and MAC of the short-range wired communication protocol stack provided in the card terminal 105 may be bridged and transmitted to a transport layer, a network layer, a MAC layer (and / or LLC layer) and a physical layer of the communication protocol stack. And transmitting and receiving bridged layers and physical layers. It shall be.

If the network layer and the transport layer do not exist in the protocol stack corresponding to the local area communication unit in the embodiment illustrated in FIG. 4C, the upper layer (and / or session layer) of the transport layer of the IEEE 802.16x based communication protocol stack is present. The logical bridge function layer included in the sublayer included in the transport layer, the network layer, the MAC layer, and the physical layer of the IEEE 802.16x communication protocol stack and the short range wireless communication protocol stack provided in the card terminal 105 are included. Bridge the MAC layer (and / or LLC layer) and the physical layer directly on a protocol stack, and / or to the transport layer, network layer, MAC layer and physical layer of the IEEE 802.16x communication protocol stack and the card terminal 105 Bridge the MAC layer and physical layer of the short-range wired communication protocol stack directly on the protocol stack It is possible that the present invention is not limited thereby.

In FIG. 4C, the logical bridge function layer is illustrated as a sub-layer provided above the session layer for convenience, but the logical bridge function layer is a sub-layer existing between the session layer and the transport layer, and / or the session. It may be a sublayer provided below the hierarchy, and the present invention is not limited thereby.

Referring to FIG. 4D, the logical bridge functional layer is provided in an upper layer (and / or sub-layer included in the presentation layer) of the session layer, wherein the logical bridge functional layer is the session layer. The physical layer, MAC layer, network layer, transport layer, and session layer of the IEEE 802.16x communication protocol stack and the short-range wireless communication protocol stack provided in the card terminal 105 at an upper layer (and / or presentation layer) of the Bridge a session layer, transport layer, network layer, MAC layer (and / or LLC layer) and physical layer on a protocol stack, and / or the physical layer, MAC layer, network layer, transport layer of the IEEE 802.16x communication protocol stack And a session layer, a transport layer, and a network layer of a short-range wired communication protocol stack provided in the card terminal 105. Bridge the layer, MAC layer and physical layer on a protocol stack.

In addition, the logical bridge function layer provided in an upper layer (and / or sub-layer included in the presentation layer) of the session layer is a communication provided to the session layer through the presentation layer at the application layer on the communication protocol stack. In addition to the function of transmitting and receiving a packet to and from the IEEE 802.16x based wireless communication network through a session layer, a transport layer, a network layer, a MAC layer, and a physical layer of the IEEE 802.16x communication protocol stack, the communication packet is transmitted to the card terminal 105. Bridged and transmitted to the session layer, transport layer, network layer, MAC layer (and / or LLC layer) and the physical layer of the short-range wireless communication protocol stack provided, or of the short-range wired communication protocol stack provided in the card terminal 105 Bridge and send to the session layer, transport layer, network layer, MAC layer, and physical layer And further comprising characterized by comprising.

If there is no network layer and / or transport layer and / or session layer in the protocol stack corresponding to the local area communication unit in the embodiment illustrated in FIG. 4D, the session layer of the IEEE 802.16x based communication protocol stack The logical bridge function layer provided in an upper layer (and / or a sublayer included in a presentation layer) includes a session layer, a transport layer, a network layer, a MAC layer, and a physical layer of the IEEE 802.16x communication protocol stack, and the card terminal. Bridge the MAC layer (and / or LLC layer) and the physical layer of the short range wireless communication protocol stack provided at 105 directly on the protocol stack, and / or the session layer, transport layer, network of the IEEE 802.16x communication protocol stack. MAC layer of a near field wired communication protocol stack provided in the layer, MAC layer and physical layer and the card terminal 105 And it is possible to directly bridge the physical layer on the protocol stack, and to which the present invention is not limited.

In FIG. 4D, the logical bridge functional layer is illustrated as a sub-layer provided above the presentation layer for convenience, but the logical bridge functional layer is a sub-layer existing between the presentation layer and the session layer, and / or The sublayer provided below the presentation layer may be used, and the present invention is not limited thereto.

5A and 5B are diagrams illustrating a protocol stack structure in which a card terminal 105 having a bridge function of a communication protocol stack according to an embodiment of the present invention bridges a local area communication terminal 100 to a wireless communication network.

In more detail, FIGS. 5A and 5B show a bridge function of a communication protocol stack through a logical bridge function layer provided at an upper layer (and / or a sublayer of a network layer) of the data link layer as shown in FIG. 4A. Implementation of a protocol stack structure for bridging the near field wireless terminal 100 to which the card terminal 105 and at least one short range wireless communication channel are connected through the bridge function of the protocol stack according to the present invention. As an example, specifically, FIG. 5A illustrates a WLAN that complies with (or is compatible with) the IEEE 802.11x standard while the card terminal 105 is connected (and / or connected) to an IEEE 802.16x based wireless communication network. The logic of a terminal 100 connected to a short-range wireless communication channel including at least one of WLAN and / or Bluetooth and / or WiFi and / or UWB. The protocol stack structure for bridging to the IEEE 802.16x based wireless communication network through a bridge functional layer, Figure 5b is a card terminal 105 is connected (and / or communication connection) to the IEEE 802.16x based wireless communication network The logical bridge to a terminal 100 connected to a short-range wireless communication channel including at least one wireless LAN (WLAN) and / or Bluetooth and / or Wi-Fi and / or UWB that conforms to (or is compatible with) the IEEE 802.11x standard. The protocol stack structure is bridged to the card terminal 105 through a functional layer.

Those skilled in the art (for example, those who understand the protocol stack structure) may refer to and / or modify the drawings 5a and 5b so that the card terminal 105 may use the IEEE 802.16x. WLAN that complies with (or is compatible with) the IEEE 802.11x standard while connected to a communication network other than a wireless network based on the network (eg, a WCDMA / HSDPA-based wireless network, and / or an IEEE 802.11x-based external wireless network). And / or may infer various implementation methods for bridging a terminal 100 connected to a short-range wireless communication channel including at least one of Bluetooth and / or Wi-Fi and / or UWB through the logical bridge function layer. Includes all of the inferred implementation methods, and is not limited to the implementation methods illustrated in FIGS. 5A and 5B.

In addition, those skilled in the art (for example, those who understand the protocol stack structure), the card terminal 105 is the near-field by referring to and / or modifying the present drawings 5a and 5b. In addition to the wireless communication means, various embodiments of bridging the terminal 100 to which at least one short-range optical communication channel and / or short-range wired communication channel are connected through the logical bridge function layer through a near-field optical communication means and / or a short-range wire communication means The method may be inferred, but the present invention includes all the inferred implementation methods, and is not limited to the implementation method shown in FIGS. 5A and 5B.

In addition, those skilled in the art (for example, those who understand the protocol stack structure), the logical bridge functional layer is the data link by referring to and / or modified in this figure 5a and 5b. Other equivalent protocol layers (e.g., higher layers of the network layer (and / or sublayer of the transport layer), and / or higher layers of the transport layer (and / or the higher layers of the layer (and / or sublayer of the network layer) Or a sub-layer of the session layer), and / or a higher-level layer of the session layer (and / or a sub-layer of the presentation layer), and the like. It includes all, and is not limited to the embodiment shown in Figures 5a and 5b.

In addition, those of ordinary skill in the art (for example, those who understand the protocol stack structure) may refer to and / or modify the drawings 5a and 5b so that the logical bridge functional layer is installed on the protocol stack. Various implementation methods (e.g., the logical bridge function layer are provided in a mutually compatible protocol layer) are provided in an upper layer (and / or sub-layer of the network layer) of the data link layer of the local area communication means, An implementation method provided in an upper layer (and / or a sublayer of a transport layer) of a network layer, and / or the logical bridge function layer is an upper layer (and / or a sublayer of a network layer) of the datalink layer of the local area communication means. Layer), and implemented in a higher layer (and / or sublayer of a session layer) of the transport layer of the external communication means. The method and / or the logical bridge function layer is provided in an upper layer (and / or a sublayer of a network layer) of the data link layer of the local area communication means, and an upper layer (and / or of a session layer of an external communication means). The implementation method provided in the sublayer of the presentation layer) or the implementation method provided in the protocol layer compatible with each other inferred from the illustrated embodiment method) may be inferred. It includes all the methods, and is not limited to the embodiment shown in Figures 5a and 5b.

5A and 5B, the terminal 100 to which the card terminal 105 and at least one short-range wireless communication channel are connected is provided with a protocol stack corresponding to the OSI 7 layer. It is only for easily explaining the technical features of the present invention to those skilled in the art, the terminal 100 is connected to the card terminal 105 and at least one short-range wireless communication channel is predetermined Only a physical layer and a MAC layer may be provided, and / or a predetermined protocol layer may be provided above the physical layer and the MAC layer, and a protocol stack provided in the terminal 100 may satisfy the OSI 7 layer structure. The present invention is not limited thereto.

5A and 5B, if the person skilled in the art (for example, the protocol stack structure) understands, the packet generated by the card terminal 105 (for example, A packet containing the full payment authorization request) is transmitted to the van server through a wireless communication network based on the protocol stack, and / or a packet generated by the van server (eg, a packet including the payment approval full text) is transferred to the protocol stack. Since you will be familiar with the process of receiving to the card terminal 105 through the wireless communication network on the basis, a detailed description thereof will be omitted for convenience.

Wireless LAN (WLAN) and / or Bluetooth and / or Wi-Fi complying with (or compatible with) the IEEE 802.11x standard while the card terminal 105 is connected (and / or connected) to an IEEE 802.16x based wireless communication network. And / or a protocol stack structure for bridging a terminal 100 connected to a short-range wireless communication channel including at least one UWB to the IEEE 802.16x based wireless communication network through the logical bridge function layer. The packet to be transmitted from the short range wireless terminal 100 to a server (and / or terminal 100) on an IEEE 802.16x based wireless communication network to which the card terminal 105 is connected (and / or connected) is The short-range wireless terminal 100 is provided in the short-range wireless terminal 100 by repeating a process generated by an application layer included in the short-range wireless terminal 100 and adding predetermined packet information to a lower layer of a next step. After reaching the physical layer below the MAC layer of the protocol stack, the packet is a short-range radio including a physical layer provided in the short-range wireless terminal 100 and a short-range wireless communication side physical layer provided in the card terminal 105. Received through the communication channel to the short-range wireless communication-side physical layer provided in the card terminal 105 to the logical bridge functional layer via the short-range wireless communication-side MAC layer and / or network layer provided in the card terminal 105 Inflow.

The logical bridge function layer then bridges the incoming packet to an IEEE 802.16x based wireless communication network to which the card terminal 105 connects (and / or communicates) and / or the card terminal 105. Check if you want to bridge the application for use.

If it is confirmed that the packet is bridged to an IEEE 802.16x based wireless communication network to which the card terminal 105 is connected (and / or connected), the logical bridge function layer converts the packet structure according to an implementation method. After further performing the procedure, the packet is provided to the network layer and the MAC layer of the IEEE 802.16x based wireless network side protocol stack, and the packet is provided in the physical layer and the IEEE 802.16 based protocol layer of the IEEE 802.16x based wireless network side protocol stack. a wireless communication section including a physical layer provided in a network component (eg, a base station (RAS)) on an x-based wireless communication network, a wired communication section connecting a network component and a backbone network on the IEEE 802.16x based wireless communication network; The IEEE via a wired communication interval connecting the server (and / or terminal 100) on the backbone network and the IEEE 802.16x-based wireless communication network It is received in the physical layer on the protocol stack provided in the server (and / or terminal 100) on the 802.16x based wireless communication network.

Thereafter, the packet passes through a MAC layer, a data link layer, a network layer, a transport layer, a session layer, and a presentation layer on a protocol stack provided in a server (and / or terminal 100) on the IEEE 802.16x based wireless communication network. The application layer is provided to an application layer, and the application layer performs data processing corresponding to the packet.

In addition, the packet to be transmitted from the server (and / or terminal 100) on the IEEE 802.16x based wireless communication network to which the card terminal 105 is connected (and / or communication connection) to the short-range wireless terminal 100, Generated in the application layer provided in the server (and / or terminal 100) is added to the server (and / or terminal 100) by repeating the process provided to the lower layer of the next step while the predetermined packet information is added After reaching the physical layer of the protocol stack provided, the packet is a wired communication interval connecting the server (and / or terminal 100) and the backbone network on the IEEE 802.16x based wireless communication network, the backbone network and the IEEE 802.16 A wired communication section connecting a network component on an x-based wireless communication network and the IEEE 802.16x based wireless provided to the network component (eg, base station (RAS)) and the card terminal 105 on the IEEE 802.16x based wireless communication network. communications network Is received by the physical layer of the protocol stack is introduced into the logical bridge function layer through the short-range wireless communication side MAC layer and / or the network layer included in the card terminal 105.

Thereafter, the logical bridge function layer bridges the incoming packet to the terminal 100 connected to the card terminal 105 and the short range wireless communication channel, and / or an application program provided in the card terminal 105. Make sure you bridge it for use.

If it is confirmed that the packet is bridged to the terminal 100 connected to the card terminal 105 and the short-range wireless communication channel, the logical bridge function layer may further perform the packet structure conversion process according to an implementation method. Thereafter, the packet is provided in the short range wireless terminal 100 through a short range wireless communication channel including a physical layer of the short range wireless communication side protocol stack and a protocol stack provided in the terminal 100. To the physical layer on the network.

Thereafter, the packet is provided to an application layer via a MAC layer, a data link layer, a network layer, a transport layer, a session layer, and a presentation layer on a protocol stack provided in the short range wireless terminal 100. Perform data processing corresponding to the packet.

Wireless LAN (WLAN) and / or Bluetooth and / or Wi-Fi complying with (or compatible with) the IEEE 802.11x standard while the card terminal 105 is connected (and / or connected) to an IEEE 802.16x based wireless communication network. And / or FIG. 5B illustrating a protocol stack structure for bridging a terminal 100 connected to a short-range wireless communication channel including at least one UWB to the card terminal 105 through the logical bridge function layer. The packet to be transmitted from the short range wireless terminal 100 to a server (and / or the terminal 100) on an IEEE 802.16x based wireless communication network to which the card terminal 105 is connected (and / or connected) is the short range wireless. The protocol stack of the short range wireless terminal 100 is repeated by repeating the process of being generated in the application layer provided in the terminal 100 and providing predetermined packet information to the lower layer of the next step. After reaching the physical layer below the MAC layer, the packet includes a short range wireless communication channel including a physical layer provided in the short range wireless terminal 100 and a short range wireless communication side physical layer provided in the card terminal 105. It is received through the short-range wireless communication side physical layer provided in the card terminal 105 through the short-range wireless communication side MAC layer and / or network layer provided in the card terminal 105 flows into the logical bridge functional layer.

The logical bridge function layer then bridges the incoming packet to an IEEE 802.16x based wireless communication network to which the card terminal 105 connects (and / or communicates) and / or the card terminal 105. Check if you want to bridge the application for use.

If it is confirmed that the packet is bridged to the card terminal 105, the logical bridge function layer further performs the packet structure conversion process according to an implementation method, and then transfers the packet to the card terminal 105. The application layer is provided to an application layer through a transport layer, a session layer, and a presentation layer on the protocol stack, and the application layer performs data processing corresponding to the packet.

In addition, the packet to be transmitted from the card terminal 105 to the short-range wireless terminal 100 is generated in the application layer provided in the card terminal 105, and the predetermined packet information is added to the lower layer of the next step. The process is repeated to flow into the logical bridge function layer.

Thereafter, the logical bridge function layer bridges the incoming packet to the terminal 100 to which the card terminal 105 and the short range wireless communication channel are connected, and / or the card terminal 105 connects (and / or Check whether or not to bridge to the IEEE 802.16x based wireless communication network.

If it is confirmed that the packet is bridged to the terminal 100 connected to the card terminal 105 and the short-range wireless communication channel, the logical bridge function layer may further perform the packet structure conversion process according to an implementation method. Thereafter, the packet is provided in the short range wireless terminal 100 through a short range wireless communication channel including a physical layer of the short range wireless communication side protocol stack and a protocol stack provided in the terminal 100. To the physical layer on the network.

Thereafter, the packet is provided to an application layer via a MAC layer, a data link layer, a network layer, a transport layer, a session layer, and a presentation layer on a protocol stack provided in the short-range wireless terminal 100. Perform data processing corresponding to the packet.

6 is a diagram illustrating a process of loading a logical bridge function layer that provides a bridge function of a communication protocol stack to a card terminal 105 according to an embodiment of the present invention.

More specifically, FIG. 6 is provided with a bridge function of the communication protocol stack according to the present invention (for example, including a logical bridge function layer) during the system booting process in the card terminal 105 shown in FIG. A preferred embodiment of driving a protocol processing routine to be loaded into the control unit 205 provided in the card terminal 105, and a person of ordinary skill in the art to which the present invention belongs, Although various implementations may be inferred by referring and / or modifying the card terminal 105 to load a logical bridge function layer that provides a bridge function of a communication protocol stack, the present invention encompasses all inferred implementation methods. It is not limited to the implementation method shown in FIG.

For example, those skilled in the art to which the present invention pertains may refer to and / or modify this drawing 6 to integrate a predetermined communication protocol stack after the card terminal 105 shown in FIG. 2 is system booted. A method of loading a protocol processing routine (eg, including a logical bridge function layer) equipped with a bridge function of the communication protocol stack according to the present invention to the control unit 205 provided in the card terminal 105 via a processing command. It may be inferred, but the present invention includes all the implementation methods inferred above, and is not limited to the implementation method shown in FIG.

Referring to FIG. 6, while a predetermined power is supplied to the card terminal 105 to perform a system booting procedure 600, the card terminal 105 establishes a logical bridge function layer according to the present invention during the system booting. The protocol processing routine, which is included, is loaded into the control unit 205 (605).

Thereafter, the card terminal 105 extracts communication parameter information corresponding to a predetermined wireless communication network from the memory unit 250 (610), and transmits to the loaded protocol processing routine based on the extracted communication parameter information. A connection (and / or communication connection) to the wireless communication network is attempted through the included logical bridge functional layer (615).

If the connection (and / or communication connection) attempt to the communication network is successful (620), the card terminal 105 is at least one local area communication terminal 100 (e.g., local area wireless terminal 100, local area optical terminal). (100) periodically checks whether at least one short-range communication channel (eg, short-range wireless communication channel, short-range optical communication channel, short-range wired communication channel, etc.) is connected to the short-range wired terminal 100, etc. (625). .

If at least one local area communication terminal 100 and at least one local area communication channel are not connected (630), the card terminal 105 performs a predetermined electronic payment processing function provided in the card terminal 105 is performed. Check whether or not (635).

According to an exemplary embodiment of the present invention, the electronic payment processing function provided in the card terminal 105 may allow the user of the card terminal 105 to input the electronic payment processing execution command, thereby allowing the electronic terminal to accept the electronic payment. It is preferred that the treatment procedure be initiated.

According to another exemplary embodiment of the present invention, the electronic payment processing function provided in the card terminal 105 may include a predetermined customer-owned card (eg, an MS card provided with at least one or more payment means, and / or a contact IC card). It is preferable to start by reading predetermined card information (and / or payment means information) from the and / or contactless IC card through the card reader provided in the card terminal 105.

If a predetermined electronic payment processing function is not performed in the card terminal 105 (for example, at least one short range communication terminal 100 and a short range communication channel are not connected, and the electronic payment provided in the card terminal 105 is provided). 640, the card terminal 105 checks whether at least one short-range communication terminal 100 and a short-range communication channel are also connected, and the electronic payment process provided in the card terminal 105. Periodically repeat the process to confirm that the function is performed.

If a predetermined electronic payment processing function is performed in the card terminal 105 (640), the card terminal 105 performs the electronic payment processing procedure and whether a predetermined packet corresponding to the electronic payment processing is generated. Check whether or not (645).

According to an exemplary embodiment of the present invention, a predetermined packet corresponding to the electronic payment processing may transmit a payment approval request message generated by the card terminal 105 for the electronic payment processing through a payment communication network including the wireless communication network. It is preferable to include a communication packet transmitted to the predetermined payment server via the van.

According to another exemplary embodiment of the present invention, when the card terminal 105 provides an electronic payment processing function of a shadow account method (for example, payment processing is performed in the card terminal 105, such as a prepaid card payment). Is provided in an offline state, and the electronic settlement process is provided in which the payment processing result is periodically transmitted through a van to a predetermined payment server through a payment communication network including the wireless communication network. In the process of performing a function, a predetermined packet may not be generated, and thus the present invention is not limited thereto.

If a packet corresponding to the electronic payment processing is not generated until all of the electronic payment processing function processing procedures are performed (650), the card terminal 105 completes the execution of the electronic payment processing procedure (655), The process of checking whether at least one local area communication terminal 100 and the local area communication channel are also connected and repeating the process of confirming that the electronic payment processing function provided in the card terminal 105 is performed are periodically repeated.

If a packet corresponding to the electronic payment processing is generated until all of the electronic payment processing procedures are performed (650), the card terminal 105 is generated in response to the electronic payment processing through the logical bridge function layer. Waiting for the packet to process the bridge function of the protocol stack according to the present invention (660), the bridge function of the protocol stack according to the present invention is initiated by the packet entering the logical bridge function layer on the protocol stack. A preferred bridging process for a packet generated corresponding to the electronic payment process will be described in detail with reference to FIG. 8 shown below.

On the other hand, if it is confirmed that at least one local area communication terminal 100 and at least one local area communication channel are connected to the card terminal 105 (630), the card terminal 105 provides a bridge function of the protocol stack according to the present invention. In order to perform the address assignment procedure for the local area communication terminal 100 to which the local area communication channel is connected (665).

According to an exemplary embodiment of the present invention, the address assignment procedure for the short-range communication terminal 100 may be configured to directly allocate a predetermined address obtained corresponding to the address processing information in the terminal 100 to which the short-range communication channel is connected. It is preferred to include the procedure.

According to another exemplary embodiment of the present invention, the address assignment procedure for the local area communication terminal 100 logically stores a predetermined address obtained in correspondence with the address processing information to the terminal 100 to which the local area communication channel is connected. It is desirable to include a procedure for assigning.

If address allocation to the local area communication terminal 100 is completed (670), the card terminal 105 of the protocol stack according to the present invention for the packet transmitted and received over the local area communication channel through the logical bridge function layer Waiting for bridge function processing (675), the bridge function of the protocol stack according to the present invention is initiated by the packet entering the logical bridge function layer on the protocol stack, which is preferred for packets sent and received on the local area communication channel. The bridge process will be described in detail with reference to FIGS. 7A and 7B shown below.

7A and 7B illustrate an operation of a card terminal 105 providing a bridge function for a packet transmitted / received through a short-range communication channel connected to the card terminal 105 through a logical bridge function layer according to an embodiment of the present invention. One drawing.

In more detail, FIGS. 7A and 7B illustrate a logical bridge function layer providing a bridge function of a protocol stack according to the present invention through a process as shown in FIG. 6 in the card terminal 105 shown in FIG. FIG. 7A illustrates a preferred method of providing a bridge function of a protocol stack according to the present invention with respect to a packet transmitted and received through at least one short-range communication channel connected to the card terminal 105. Specifically, FIG. A method for bridging a packet introduced into the logical bridge function layer through a channel on a protocol stack to a wireless communication network to which the card terminal 105 is connected (and / or communication connected), and FIG. 7A illustrates the wireless communication network. At least one packet connected to the card terminal 105 flows into the logical bridge function layer through Or more of the local communication channel is for the exemplary method for the bridge on the protocol stack to the short-range communication channel that should receive the packet.

Those skilled in the art to which the present invention pertains can refer to and / or modify the drawings 7a and 7b to transmit and receive packets to and from a short range communication channel connected to a card terminal 105 through the logical bridge function layer. Although various implementation methods for providing a bridge function for the present invention can be inferred, the present invention includes all the implementation methods inferred above, and is not limited to the implementation methods shown in FIGS. 7A and 7B.

Referring to FIG. 7A, when the logical bridge function layer providing the bridge function of the protocol stack according to the present invention is loaded into the card terminal 105 through the same process as that of FIG. 6, the card terminal 105 is connected to the near field. In operation 700a, a predetermined packet is received from the short range communication terminal 100 through the communication side physical layer and the MAC layer and flows into the logical bridge function layer.

If the packet received from the local area communication terminal 100 flows into the logical bridge function layer (705a), the card terminal 105 includes at least one packet included in the incoming packet through the logical bridge function layer. By reading information (e.g., packet identifier, and / or packet sender address, and / or packet receiver address, etc.), the card terminal 105 connects (and / or packets) to the logical bridge function layer. It is checked whether or not to bridge to a wireless communication network) (710a).

If the packet introduced into the logical bridge function layer is not bridged to the wireless communication network on the protocol stack (715a), the card terminal 105 passes the packet through the logical bridge function layer to a higher protocol layer ( For example, the card terminal 105 receives the packet and provides it to the application program (and / or protocol layer corresponding to the electronic payment processing terminal 100 program) to be processed (720a), whereby the packet is The card terminal 105 is provided to an application program (and / or an electronic payment processing terminal 100 program) to receive and process the packet, and then the card terminal 105 (for example, an application to receive and process the packet). The program (and / or the terminal 100 program for electronic payment processing) performs a predetermined data processing procedure on the data included in the packet (725a).

According to an embodiment of the present invention, the data included in the packet may include data for requesting the short-range communication terminal 100 to connect a predetermined short-range communication channel to the card terminal 105. In this case, An application program (and / or an electronic payment processing terminal 100 program) that receives the packet performs a data processing procedure for connecting the short range communication terminal 100 with a predetermined short range communication channel.

In addition, the data contained in the packet is transmitted to a wireless communication network to which the near field communication terminal 100 connected to the near field communication channel is connected (and / or communicated) to the card terminal 105 through the card terminal 105. It may include data requesting an address assignment for connection (and / or communication connection), in this case, the application program (and / or electronic payment processing terminal 100 program) receiving the packet is the local area communication terminal Perform a data processing procedure for address allocation requested from 100.

In addition, the data included in the packet may include data for requesting a predetermined payment processing from the near field communication terminal 100 connected to the near field communication channel to the card terminal 105, in which case the packet is received. One application program (and / or terminal 100 program for electronic payment processing) performs a data processing procedure corresponding to the payment processing processing requested from the short-range communication terminal (100).

In addition, the data contained in the packet may include data for requesting a predetermined order request and / or incentives provided to the card terminal 105 by the short-range communication terminal 100 is connected to the short-range communication channel, In the case of receiving the packet, the application program (and / or the electronic payment processing terminal 100 program) performs a data processing procedure corresponding to the order request and / or incentive providing request requested from the short-range communication terminal 100. .

On the other hand, if a packet introduced to the logical bridge functional layer is bridged to the wireless communication network on a protocol stack (715a), the card terminal 105 checks whether or not to convert the packet structure for the bridge target packet through the logical bridge functional layer. (730a).

If the check result indicates that the packet structure of the bridge target packet needs to be converted (735a), the card terminal 105 converts the bridge target packet into a packet structure that can be transmitted to the wireless communication network through the logical bridge function layer. 740a.

On the other hand, if it is determined that the packet structure of the bridge target packet is not converted (735a), and / or the bridge target packet is converted into a packet structure that can be transmitted to the wireless communication network (740a), the card terminal 105 (745a) by bridging the packet on the protocol stack by providing the packet through the logical bridge function layer to the wireless network side MAC layer and physical layer to which the card terminal 105 is connected (and / or connected). To the wireless communication network.

Thereafter, the wireless communication network is transmitted from the packet transmitted from the card terminal 105 (for example, the short-range communication terminal 100 connected to the short-range communication channel with the card terminal 105 and is connected to the protocol stack of the card terminal 105). The packet transmitted to the wireless communication network through the bridge function is transmitted to the transmission target server (and / or the terminal 100) (750a), and the server (and / or the terminal 100) receiving the packet is sent to the packet. After performing a corresponding information processing function and generating a predetermined packet including the information processing result (755a), the packet generated including the information processing result to the card terminal 105 via the wireless communication network. The card terminal 105 receiving the packet transmits the packet to the local area communication terminal 100 through the bridge function of the protocol stack as shown in FIG. Zb.

Referring to FIG. 7B, if the logical bridge function layer providing the bridge function of the protocol stack according to the present invention is loaded into the card terminal 105 through the same process as that of FIG. 6, the card terminal 105 is connected to the wireless terminal. It is checked whether a predetermined packet is received from the server (and / or the terminal 100) on the wireless communication network through the communication network side physical layer and the MAC layer and flows into the logical bridge function layer (700b).

If a packet received from the local area communication terminal 100 flows into the logical bridge function layer (705b), the card terminal 105 includes at least one packet included in the incoming packet through the logical bridge function layer. By reading the information (e.g., packet identifier, and / or packet sender address, and / or packet receiver address, etc.), a packet introduced into the logical bridge function layer is transferred to a short range communication channel connected to the card terminal 105. Check whether or not to bridge (710b).

If the packet flowing into the logical bridge function layer is not bridged to the local area communication channel on the protocol stack (715b), the card terminal 105 passes the packet through the logical bridge function layer to an upper protocol layer of the protocol stack. (E.g., a protocol layer corresponding to an application program (and / or a terminal 100 program for electronic payment processing) to receive and process the packet at the card terminal 105), whereby the packet is The card terminal 105 is provided to an application program (and / or an electronic payment processing terminal 100 program) to receive and process the packet, and then the card terminal 105 (for example, to receive and process the packet). The application program (and / or the terminal 100 program for electronic payment processing) performs a predetermined data processing procedure for the data included in the packet (725b). ).

According to an embodiment of the present invention, the data contained in the packet is transmitted from the card terminal 105 to the payment server via the van via the wireless communication network to perform the electronic payment processing shown in FIG. It is preferable to include a payment approval full text corresponding to the payment approval request full text, and the card terminal 105 that has received the payment approval full text transmits the payment approval result data included in the payment approval full text to the card terminal 105. A data processing procedure is performed to output to a provided screen output device and / or print on a predetermined receipt.

On the other hand, if a packet introduced to the logical bridge functional layer is bridged to the short-range communication channel on the protocol stack (715b), the card terminal 105 is configured to store at least one packet information (including information) included in the packet through the logical bridge functional layer. A predetermined short range to receive and process the packet among at least one short-range communication channel connected to the card terminal 105, for example, by reading a packet identifier, and / or a packet sender address, and / or a packet receiver address. Check the communication channel (730b).

Thereafter, the card terminal 105 determines whether to convert the packet structure for the bridge target packet into a packet structure that can be transmitted to the local area communication channel through the logical bridge function layer (735b).

If it is determined that the packet structure of the bridge target packet needs to be converted (740b), the card terminal 105 converts the bridge target packet into a packet structure capable of transmitting the bridge target packet to the local area communication channel through the logical bridge function layer. (745b).

On the other hand, if it is determined that the packet structure of the bridge target packet is not converted (740b), and / or the bridge target packet is converted into a packet structure that can be transmitted to the local area communication channel (745b), the card terminal ( 105 provides the packet to the protocol stack by providing the packet to the short-range communication channel side MAC layer and the physical layer to which the card terminal 105 connects (and / or communicates) through the logical bridge function layer (750b). It bridges over and transmits to the short range communication channel.

8 is a diagram illustrating an operation of a card terminal 105 that provides a bridge function for a packet generated at the card terminal 105 through a logical bridge function layer according to an embodiment of the present invention.

In more detail, FIG. 8 illustrates that the card terminal 105 shown in FIG. 2 is loaded with a logical bridge function layer that provides a bridge function of a protocol stack according to the present invention through a process as shown in FIG. A preferred embodiment of the present invention provides a bridge function of a protocol stack according to the present invention for a packet generated while performing a predetermined electronic payment processing function (and / or a unique function of the card terminal 105) provided in the terminal 105. As illustrated, those of ordinary skill in the art to which the present invention pertains may refer to, and / or modify, a packet transmitted and received in a short-range communication channel connected to a card terminal 105 through the logical bridge function layer. While various implementation methods may be inferred that provide a bridge function for the present invention, the present invention includes all implementation methods inferred from the above. Side is not limited to the exemplary method shown in FIG. 8.

Referring to FIG. 8, when the logical bridge function layer providing the bridge function of the protocol stack according to the present invention is loaded into the card terminal 105 through the process as shown in FIG. In operation 800, it is checked whether a packet generated corresponding to a predetermined electronic payment processing function (and / or a unique function of the card terminal 105) provided in the terminal 105 flows into the logical bridge function layer.

If a packet generated corresponding to a predetermined electronic payment processing function (and / or a unique function of the card terminal 105) included in the card terminal 105 flows into the logical bridge function layer (805), the card terminal 105 reads at least one or more packet information (eg, packet identifier, and / or packet sender address, and / or packet receiver address, etc.) included in the incoming packet via the logical bridge function layer; In operation 810, it is determined whether the packet introduced into the logical bridge function layer is bridged into the local area communication channel connected to the card terminal 105.

According to the embodiment of the present invention, the packet generated corresponding to the electronic payment processing function includes a full payment approval request to be transmitted from the card terminal 105 to a predetermined payment server through the wireless communication network and the van server. desirable.

If the packet flowing into the logical bridge function layer is not bridged to the short-range communication channel on the protocol stack (815), the card terminal 105 passes the packet through the logical bridge function layer to the card terminal 105. By providing (820) the MAC layer and the physical layer on the wireless network side connected (and / or communication connection), the packet is bridged on the protocol stack and transmitted to the wireless network.

According to an embodiment of the present invention, the packet transmitted to the wireless communication network side MAC layer and the physical layer and transmitted to the wireless communication network is transmitted from the card terminal 105 to the predetermined payment server via the wireless communication network and the van server. It is desirable to include the full request for approval.

Thereafter, the wireless communication network transmits the packet transmitted from the card terminal 105 to a predetermined payment server to perform the electronic payment process via a van server (825), and transmits the packet transmitted from the card terminal 105. The received payment server performs an electronic payment processing procedure corresponding to the payment approval request message included in the packet, and generates a packet (eg, a packet including a payment approval message) corresponding to the electronic payment processing result ( 830) and transmits the packet generated corresponding to the electronic payment processing result to the card terminal 105 via the wireless communication network via the van server (835), and the card terminal 105 receiving the packet is shown in the figure. The electronic payment processing procedure is completed through the bridge function of the protocol stack as shown in 7b.

On the other hand, if a packet introduced to the logical bridge functional layer is bridged to the short-range communication channel on a protocol stack (815), the card terminal 105 includes the card terminal 105 in the packet through the logical bridge functional layer. The at least one packet of at least one short-range communication channel connected to the card terminal 105 by reading at least one packet information (e.g., packet identifier, and / or packet sender address, and / or packet receiver address). In operation 840, a predetermined short-range communication channel to receive and process is identified.

According to the exemplary embodiment of the present invention, the packet to be bridged and transmitted to the local area communication channel includes a response (and / or a local area channel connection result) to the local area communication channel connection request requested from the local area communication terminal 100. Preferably, the short-range communication terminal 100 receiving the packet is for connecting (and / or communication connection) to a wireless communication network to which the card terminal 105 is connected (and / or communication connection) through the short-range communication channel. Further performing an address assignment procedure and / or using a bridge function of a protocol stack provided in the card terminal 105 through the near field communication channel to which the card terminal 105 connects (and / or communicates). A predetermined communication channel may be connected to at least one server (and / or terminal 100) provided on a wireless communication network.

In addition, a packet to be bridged and transmitted to the near field communication channel is connected to the near field communication terminal 100 to which the near field communication terminal 100 is connected (and / or communication connection) through the card terminal 105. And a response (and / or address assignment information, and / or address assignment result) corresponding to the address assignment request requested to access (and / or communicate with) the wireless communication network. The short-range communication terminal 100 uses a bridge function of a protocol stack provided in the card terminal 105 through the short-range communication channel on a wireless communication network to which the card terminal 105 is connected (and / or communication-connected). A predetermined communication channel may be connected to at least one server (and / or terminal 100) provided.

In addition, the packet to be bridged to the short-range communication channel to be transmitted includes a response (and / or payment result) to the payment processing request requested by the short-range communication terminal 100 connected to the short-range communication channel to the card terminal 105 It is preferable to make it.

In addition, a packet to be bridged and transmitted to the short-range communication channel is a response to the request for request and / or incentive provided by the short-range communication terminal 100 connected to the short-range communication channel to the card terminal 105 (eg, an order processing result). , And / or incentive providing information, and / or incentive providing result).

Thereafter, the card terminal 105 determines whether to convert the packet structure for the bridge target packet into a packet structure that can be transmitted to the local area communication channel through the logical bridge function layer (845).

If the check result indicates that the packet structure of the bridge target packet needs to be converted (850), the card terminal 105 converts the bridge target packet into a packet structure capable of transmitting the bridge target packet to the local area communication channel through the logical bridge function layer. (855).

On the other hand, if it is determined that the packet structure of the bridge target packet is not converted (850), and / or the bridge target packet is converted into a packet structure that can be transmitted to the local area communication channel (855), the card terminal ( 105 provides the packet to the protocol stack by providing the packet to the short-range communication channel side MAC layer and the physical layer to which the card terminal 105 connects (and / or communicates) through the logical bridge function layer (860). It bridges over and transmits to the short range communication channel.

9A, 9B, and 9C illustrate a network connection configuration of a card terminal 105 having a bridge function of a communication protocol stack according to another exemplary embodiment of the present invention.

In more detail, FIGS. 9A, 9B, and 9C show that a card terminal 105 having a bridge function of a communication protocol stack connects to (and / or communicates with) a payment communication network including at least one wireless communication network. And a network connection configuration for bridging the card terminal 105 and at least one terminal 100 in a short distance to the wireless communication network through a bridge function of the communication protocol stack. Specifically, FIG. A terminal 105 accesses (and / or a mobile communication network) a wireless communication network (eg, a mobile communication network) based on Wide-CDMA (W-CDMA) and / or High Speed Downlink Packet Access (HSDPA) operating based on a Code Division Multiple Access (CDMA) stack. And / or communication connection), and FIG. 9B illustrates an implementation method in which the card terminal 105 connects to (and / or communicates with) an IEEE 802.16x based wireless communication network (eg, a mobile Internet). FIG. 9C illustrates an implementation method in which the card terminal 105 accesses (and / or communicates with) an IEEE 802.11x-based external wireless communication network (eg, a wireless LAN communication network).

Persons of ordinary skill in the art to which the present invention pertains may refer to and / or modify the drawings 9a, 9b and 9c so that the card terminal 105 having the bridge function of the communication protocol stack has at least one radio. In connection with a communication network, various implementation methods for bridging the card terminal 105 and at least one terminal 100 located at a short distance to a wireless communication network through a bridge function of the communication protocol stack may be inferred. The present invention includes all the inferred implementation methods, and is not limited to the implementation method shown in FIGS. 9A, 9B, and 9C.

The wireless communication network to which the card terminal 105 having the bridge function of the communication protocol stack is connected may be a W-CDMA (Wide-CDMA) and / or HSDPA (W-CDMA) operating based on a code division multiple access (CDMA) stack. At least one of a High Speed Downlink Packet Access (WLAN) based wireless communication network (e.g., a mobile communication network), an IEEE 802.16x based wireless communication network (e.g., a portable Internet), and / or an IEEE 802.11x based external wireless communication network (e.g., a wireless LAN network). It is characterized in that it comprises a, whereby the card terminal 105 is a payment approval request full text and / or payment approval full text transmitted over a payment communication network including the wireless communication network is the WCDMA / HSDPA-based communication protocol and / or Transmitting and receiving through at least one of the IEEE 802.16x based communication protocol and / or IEEE 802.11x based communication protocol. Is recommended.

However, the WCDMA / HSDPA-based wireless communication network and / or IEEE 802.16x-based wireless communication network and / or IEEE 802.11x-based wireless communication network to which the wireless communication network to which the card terminal 105 equipped with the bridge function of the communication protocol stack according to the present invention is connected is described. The present invention is not limited to a wireless communication network, and a person having ordinary knowledge in the technical field to which the present invention belongs, the wireless communication network to which the card terminal 105 having the bridge function of the communication protocol stack is connected is conventionally / commercially available. All wireless networks are included.

That is, the figures 9a, 9b and 9c are effective for the technical features of the card terminal 105 having a bridge function of the communication protocol stack according to the present invention to those skilled in the art. It is for illustrative purposes only and is not intended to be limiting.

According to the present invention, a card terminal 105 having a bridge function of the communication protocol stack is connected to at least one or more wireless communication networks and / or at least one server (and / or terminal 100) through the wireless communication network. And at least one wireless communication means including at least one wireless communication means for connecting a predetermined communication channel with the at least one terminal 100 and at least one terminal at a short distance from the card terminal 105. Characterized in that it comprises a function for communicating through the short-range communication means described above.

According to an embodiment of the present invention, the wireless communication means for connecting (and / or communicating) the card terminal 105 to a wireless communication network is based on a WCDMA / HSDPA that operates the card terminal 105 based on a CDMA stack. A wireless communication module for connecting (and / or communicating) a wireless communication network, and / or a wireless communication module for connecting (and / or communicating) the card terminal 105 to an IEEE 802.16x based wireless communication network, and / or the Preferably, the card terminal 105 includes at least one wireless communication module that connects (and / or communicates with) an IEEE 802.11x-based external wireless communication network, whereby the card terminal 105 is connected to the wireless communication network. A predetermined communication channel is connected to at least one server (and / or terminal 100) provided in the.

Here, the wireless communication module for connecting (and / or communication connection) to the IEEE 802.11x-based external wireless communication network of the wireless communication means provided in the card terminal 105 is the card terminal 105 and the IEEE 802.11x-based external wireless Preferably, the apparatus further includes an apparatus (eg, an outdoor bridge) for connecting an APM (Access Point Manager) on the communication network.

According to the present invention, a server (and / or terminal 100) on the wireless communication network to which the card terminal 105 and a predetermined communication channel are connected may include a value added network (VAN) corresponding to the card terminal 105. It is characterized in that it comprises a predetermined van server provided in the company, thereby the card terminal 105 performs an electronic payment procedure using at least one customer-owned card.

According to an embodiment of the present invention, the short range communication means for short-range communication between the card terminal 105 and at least one or more terminals 100 in a short range may conform to (or be compatible with) the IEEE 802.11x standard (for example, , IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, HIPERLAN / 2, etc.) Short-range wireless, such as Wireless Local Area Network (WLAN), Bluetooth, WiFi, Ultra Wide Band system (UWB), etc. Communication means, and / or short-range optical communication means in accordance with the Infrared Ray communication standard of IrDA, and / or Local Area Network (LAN) conforming to IEEE 802.x standard, IEEE 1394 type, USB (Universal Serial Bus) And at least one short-range communication means such as short-range wired communication means such as RS-232c, RS-485, and the like, whereby the short-range communication means is connected between the terminal 100 and the card terminal 105. Corresponding predetermined The short-range communication channel is connected.

Here, the short-distance communication channel connected to the card terminal 105 through the short-range communication means is a Voice over IP (VoIP) communication protocol (eg, Real-time Transport Protocol (RTP) and RTCP (RTP Control) over UDP / IP. Communication protocol).

According to the present invention, a communication channel connected between the card terminal 105 and a server (and / or terminal 100) provided on a wireless communication network connects the card terminal 105 to the wireless communication network (and / or Or a communication protocol corresponding to a wireless communication means for communication connection), and further comprising a short-range communication channel connecting the card terminal 105 and at least one terminal 100 located at a short distance. It is characterized in that the connection and operation via a communication protocol corresponding to the short-range communication means.

The communication protocol includes a format and procedure necessary for at least two communication systems (e.g., a server and / or a device having a communication function) to transmit and receive predetermined information (or data) through a predetermined communication network and / or communication means; As the order is defined, the communication protocol is composed of a plurality of layers (Layer) for performing each function, such as physical circuit control, data connection control, packet relay transmission or file transfer control, In the communication protocol of each layer is made up of a structure that interlocks up and down.

Here, the detailed technical features and functions of each layer of the communication protocol are defined in each communication protocol standard, and the present invention does not violate the communication protocol standard.

According to an embodiment of the present invention, the communication protocol configures and maintains a physical link between communication systems through a predetermined communication network and / or communication means, and directly transmits data bits through a communication line corresponding to the physical link. A physical layer that defines mechanical, electrical, functional, and procedural characteristics for establishing and / or maintaining and / or breaking a circuit connection for transmission, and a medium access that controls access to the physical layer It is preferable to include a control layer, and in general, the MAC layer controls the physical layer to address a physical link, network topology, circuit usage rules, error detection, frame forwarding, and flow. Subla of the Datalink Layer, which defines functions for data delivery reliability, such as control yer).

According to the present invention, the card terminal 105 having a bridge function of the communication protocol stack bridges at least one short-range communication means and the wireless communication means on a protocol stack through the bridge function of the communication protocol stack according to the present invention. Characterized in that.

According to a preferred embodiment of the present invention, the bridge function of the communication protocol stack provided in the card terminal 105 (the function of at least one short-range communication means and the wireless communication means) corresponds to the wireless communication means. Bridge at least one protocol layer of the physical layer on the protocol stack and an upper layer of the MAC layer, and at least one protocol layer of the physical layer on the protocol stack corresponding to the local area communication means and the upper layer of the MAC layer It is desirable to.

According to another embodiment of the present invention, the bridge function of the communication protocol stack provided in the card terminal 105 (a function of bridging at least one short-range communication means and the wireless communication means) corresponds to the wireless communication means. It is possible to directly bridge (eg, bridge in the form of firmware) the MAC layer above the physical layer on the protocol stack and the MAC layer above the physical layer on the protocol stack corresponding to the local area communication means. It is not limited.

According to a preferred embodiment of the present invention, the bridge function (at least one of the short-range communication means and the wireless communication means) of the communication protocol stack provided in the card terminal 105 corresponds to the wireless communication means. It is preferable to bridge a same grade protocol layer among at least one or more protocol layers existing on the protocol stack and at least one or more protocol layers existing on the protocol stack corresponding to the local area communication means.

For example, the communication protocol stack corresponding to the wireless communication means included in the card terminal 105 satisfies Open Systems Interconnection (OSI) layer 7, and the communication protocol stack corresponding to the short range communication means is also OSI 7 layer. Is satisfied, the bridging function of the communication protocol stack provided in the card terminal 105 (at least one function of bridging the short range communication means and the wireless communication means) is based on the communication protocol stack corresponding to the wireless communication means. Bridge a network layer and a network layer of a communication protocol stack corresponding to the near field communication means, and / or a transport layer of a communication protocol stack corresponding to the wireless communication means and a transport layer of the communication protocol stack corresponding to the near field communication means. And / or corresponding to the wireless communication means Bridge the session layer of the new protocol stack and the communication layer corresponding to the local area communication means, and / or the presentation layer of the communication protocol stack corresponding to the wireless communication means and the communication corresponding to the local area communication means. It is desirable to bridge the presentation layer of the protocol stack.

According to another embodiment of the present invention, the bridge function of the communication protocol stack provided in the card terminal 105 (a function of bridging at least one short-range communication means and the wireless communication means) corresponds to the wireless communication means. Preferably, at least one protocol layer existing on the protocol stack and at least one protocol layer existing on the protocol stack corresponding to the short range communication means are bridged with each other.

According to a preferred embodiment of the present invention, the bridge function (at least one of the at least one short range communication means and the wireless communication means) of the communication protocol stack provided in the card terminal 105 corresponds to the short range communication means. If a packet generated (and / or processed) on a protocol stack and a packet generated (and / or processed) on a protocol stack corresponding to the wireless communication means are not compatible with each other, the bridge function is configured to perform the short range communication means. Converts a packet generated (and / or processed) on a protocol stack corresponding to a into a packet structure processable (or compatible) on a protocol stack corresponding to the wireless communication means, and / or a protocol corresponding to the wireless communication means. Packets generated (and / or processed) on the stack are configured to correspond to the local area communication means. It is made by a function of converting a processed (or compatible) packet structure on the call stack, further comprising preferred.

For example, when the short range communication means is USB, the USB packet generated by the protocol stack corresponding to the USB has a packet structure that can be transmitted to the wireless communication network through the wireless communication means provided in the card terminal 105. Although not included, the bridge function of the communication protocol stack provided in the card terminal 105 (at least one function of bridging the short range communication means and the wireless communication means) includes the USB packet in the card terminal 105. Converts into a packet structure that can be transmitted to the wireless communication network through the wireless communication means, and / or adds packet information that can be transmitted to the wireless communication network through the wireless communication means provided in the card terminal 105 to the USB packet ( Or insertion).

According to an exemplary embodiment of the present invention, a packet generated (and / or processed) on a protocol stack corresponding to the short range communication means and a packet generated (and / or processed) on a protocol stack corresponding to the wireless communication means may be mutually exchanged. In order to be compatible, the bridge function (at least one or more near field communication means and the wireless communication means) of the communication protocol stack provided in the card terminal 105 is defined in a protocol stack corresponding to the near field communication means. Read a packet encapsulating in a packet structure to read predetermined packet data, encapsulate the read packet data into a packet structure defined in a protocol stack corresponding to the wireless communication means, and / or the wireless communication The packet is encapsulated in a packet structure defined in the protocol stack corresponding to the means. A packet generated (and / or processed) on a protocol stack corresponding to the near field communication means by reading kit data and encapsulating the read packet data into a packet structure defined in a protocol stack corresponding to the near field communication means; It is desirable to interoperate packets generated (and / or processed) on a protocol stack corresponding to the wireless communication means.

If the read packet data sizes are not compatible with each other, the bridge function of the communication protocol stack included in the card terminal 105 (a function of bridging at least one short range communication means and the wireless communication means) may include: The read packet data is converted to be compatible with a packet generated (and / or processed) on a protocol stack corresponding to a communication means and a packet generated (and / or processed) on a protocol stack corresponding to the wireless communication means. It is preferable to further include a function of buffering to make the read packet data sizes compatible.

According to another exemplary embodiment of the present invention, a packet generated (and / or processed) on a protocol stack corresponding to the short range communication means and a packet generated (and / or processed) on a protocol stack corresponding to the wireless communication means In order to be compatible with each other, the bridge function of the communication protocol stack provided in the card terminal 105 (a function of bridging at least one short range communication means and the wireless communication means) is defined in a protocol stack corresponding to the short range communication means. Add (or insert) packet information that can be transmitted to a wireless communication network through a wireless communication means provided in the card terminal 105 to a packet generated (and / or processed) in a predetermined packet structure, and / or the wireless communication Among the packet information contained in the packet generated (and / or processed) in the packet structure defined in the protocol stack corresponding to the means, By removing (or erasing) packet information incompatible with the protocol stack corresponding to the near field communication means, a packet generated (and / or processed) on a protocol stack corresponding to the near field communication means and a protocol corresponding to the wireless communication means It is desirable to interoperate packets that are generated (and / or processed) on the stack.

According to an embodiment of the present invention, when the card terminal 105 accesses a connection (and / or communication connection) to a payment communication network corresponding to a WCDMA / HSDPA-based wireless communication network operating based on a CDMA stack, the card terminal 105 105 is connected to the WCDMA / HSDPA-based wireless communication network by connecting at least one terminal 100 connected with the card terminal 105 through a predetermined short-range communication via a bridge function of a communication protocol stack according to the present invention. Or a communication connection), and if the short range communication supports a VoIP communication protocol, the card terminal 105 performs a function of a VoIP gateway.

In addition, when the card terminal 105 accesses a connection (and / or communication connection) to a payment communication network corresponding to an IEEE 802.16x based wireless communication network, the card terminal 105 is a bridge of a communication protocol stack according to the present invention. And a gateway function to connect (and / or communicate) the at least one terminal 100 connected to the card terminal 105 with a predetermined short range communication to the IEEE 802.16x based wireless communication network. If the short range communication supports the VoIP communication protocol, the card terminal 105 further performs the function of the VoIP gateway.

In addition, when the card terminal 105 is connected to (and / or communication connection) to the IEEE 802.11x-based external wireless communication network, the card terminal 105 through the bridge function of the communication protocol stack according to the present invention. It performs a gateway function to connect (and / or communication connection) to at least one or more terminals 100 connected to the card terminal 105 through a predetermined short-range communication to the IEEE 802.11x-based external wireless communication network, if the short-range communication If the VoIP communication protocol is supported, the card terminal 105 further performs the function of the VoIP gateway.

According to the exemplary embodiment of the present invention, the card terminal 105 preferably includes at least one affiliated store terminal 100 such as a credit authorization terminal (CAT) and / or a point of sales (POS) terminal 100. At this time, the affiliated store terminal 100 is a predetermined wireless communication means (for example, the merchant terminal 100 is a WCDMA / HSPDA based wireless communication network and / or IEEE 802.16x based wireless communication network and / or IEEE 802.11x based external wireless A function of accessing (and / or communicating) a predetermined wireless communication network through a wireless communication means connected to a communication network) and at least one or more locations located at a short distance of the affiliated store terminal 100 through at least one short-range communication means. The affiliated terminal 100 and the short-range communication channel and the terminal 100 connected to the short-range communication channel through the bridge function of the communication protocol stack according to the present invention. That terminal 100 is formed by a function of a bridge in a wireless communication network connection (and / or communication connection) is preferred.

According to an embodiment of the present invention, the terminal 100 to which the card terminal 105 is connected to a predetermined short-range communication channel may be connected to (WLAN), Bluetooth, and Wi-Fi according to the IEEE 802.11x standard. Short-range wireless communication means, such as USB, and / or short-range optical communication means such as infrared ray communication, and / or wired LAN (LAN) compliant with IEEE 802.x standard, IEEE 1394, USB, RS-232c, RS A personal computer (PC) having at least one short-range communication means, such as -485, and connected to the short-range communication means provided in the card terminal 105 through predetermined short-range communication through the short-range communication means. And / or at least one client terminal 100 such as a notebook computer. When the short range communication means supports a VoIP communication protocol, the client terminal 10 0) preferably further performs the function of the VoIP terminal 100.

In addition, the terminal 100 to which the card terminal 105 and a predetermined short-range communication channel are connected may be short-range wireless such as WLAN, Bluetooth, Wi-Fi, USB, or the like conforming to (or compatible with) the IEEE 802.11x standard. Short-range optical communication means such as communication means, and / or infrared ray communication, and / or short-range wired lines such as LAN, IEEE 1394, USB, RS-232c, RS-485, etc. conforming to the IEEE 802.x standard. A personal digital assistant (PDA) and / or PMP (including at least one short-range communication means of communication means) connected to the short-range communication means provided in the card terminal 105 by a predetermined short-range communication via the short-range communication means; And at least one portable terminal 100 such as a portable media player. When the short range communication means supports a VoIP communication protocol, the portable terminal 100 may be configured to include the VoIP terminal 100. It is desirable to perform more functions.

In addition, the terminal 100 is connected to the card terminal 105 and a predetermined short-range communication channel, PCS (Personal Communication System), GSM (Global System for Mobile) terminal (100) operating based on the CDMA stack, smart A wireless LAN (WLAN) conforming to (or compatible with) the IEEE 802.11x standard in a mobile communication terminal 100 including at least one of a smart phone, a WCDMA terminal 100, an HSDPA terminal 100, and the like, Short-range wireless communication means such as Bluetooth, Wi-Fi, USB, etc., and / or short-range optical communication means such as infrared ray communication, and / or wired LAN (LAN) compliant with IEEE 802.x standard, IEEE 1394, USB, RS- A wireless terminal having at least one short-range communication means, such as 232c, RS-485, or the like, and connecting the short-range communication means provided in the card terminal 105 to the predetermined short-range communication via the short-range communication means. At least one of 100 Preferably, when the short range communication means supports the VoIP communication protocol, the wireless terminal 100 may further perform the function of the VoIP terminal 100.

In addition, the terminal 100 to which the card terminal 105 and a predetermined short-range communication channel are connected may be short-range wireless such as WLAN, Bluetooth, Wi-Fi, USB, or the like conforming to (or compatible with) the IEEE 802.11x standard. Short-range optical communication means such as communication means, and / or infrared ray communication, and / or short-range wired lines such as LAN, IEEE 1394, USB, RS-232c, RS-485, etc. conforming to the IEEE 802.x standard. At least one VoIP terminal 100 having at least one short-range communication means of the communication means, and connected to the short-range communication means provided in the card terminal 105 and the short-range communication supporting the VoIP communication protocol through the short-range communication means It is preferable to include one or more.

According to one embodiment of the invention, the bridge function of the communication protocol stack according to the present invention in the card terminal 105, the hardware device configuration and / or software in the development and / or manufacturing stage of the card terminal 105 It can be realized by mounting on the card terminal 105, including the functional configuration, by which the present invention is not limited.

According to another embodiment of the present invention, the bridge function of the communication protocol stack according to the present invention in the card terminal 105 is, after the card terminal 105 is developed and / or manufactured, the communication protocol according to the present invention The program including the bridge function of the stack can be realized by recording on a predetermined recording medium provided in the card terminal 105, whereby the present invention is not limited.

According to another embodiment of the present invention, in the card terminal 105, a part of the bridge function of the communication protocol stack according to the present invention is a hardware device configuration and the development and / or manufacturing stage of the card terminal 105 and And / or mounted via a software functional configuration, the rest of which is developed and / or manufactured by the card terminal 105, and then includes a program including a bridge function of a communication protocol stack according to the present invention. It can be realized by recording on a predetermined recording medium provided in the present invention, whereby the present invention is not limited.

For example, in order for the card terminal 105 to access a predetermined wireless communication network, an antenna unit, an RF processor, an IF processor, and a baseband unit must be provided, wherein the hardware device configuration includes the antenna unit, the RF processor, and the IF. And at least one electrical / electronic device and a circuit corresponding to the processing unit and the baseband unit, wherein the software functional configuration controls the operation of the antenna unit, the RF processing unit, the IF processing unit, and the baseband unit, and controls the operation. It includes a program for processing a communication protocol defined in the wireless communication network through.

In particular, the program (for example, a program that controls the operation of the antenna unit, the RF processing unit, the IF processing unit and the baseband unit, and processes the communication protocol defined in the wireless communication network through the operation control) is a firmware (Firmware) In the form of memory in the device configuration (e.g., Read Only Memory (ROM) and / or Erratable Programmable Read Only Memory (EPROM) and / or Electrically Erasable and Programmable Read Only Memory (EEPROM, etc.)) and / or the The card terminal 105 may be recorded in a memory provided in the card terminal 105 in the form of a predetermined system program (and / or application program according to the intention of a person skilled in the art) included in the operating system of the card terminal 105. The present invention is not limited thereby.

The card terminal 105 having the bridge function of the communication protocol stack is connected to a predetermined relay server provided in the bansa through a predetermined communication network including at least one of the wireless communication networks.

The relay server provided in the bansa receives a predetermined packet transmitted from the card terminal 105, and reads the received packet, and relays the packet to a destination to which the packet is finally transmitted. .

Further, in performing the packet relay transmission function as described above, the relay server includes a short-range communication terminal connected to the card terminal 105 and a short-range communication channel through a bridge function of a protocol stack provided in the card terminal 105. Block the packet transmitted from the 100 to the van server for the electronic payment processing, and / or another terminal 100 device (and / or server) connected to the wireless communication network to access the van server Characterized in that it performs the function of the security server to block the source.

According to an embodiment of the present invention, the packet received by the relay server is generated in the card terminal 105 and the wireless communication network (eg, WCDMA / HSDPA based wireless communication network, IEEE 802.16x based wireless communication network, IEEE 802.11x based external communication). And if it is determined that the destination of the packet is the van server and / or the packet contains the full payment authorization request for electronic payment processing, the relay server responds to the packet. And relaying the received packet to the van server for electronic payment processing.

That is, the card terminal 105 having a bridge function of the communication protocol stack is provided to a card issuer that issues a card having at least one payment means to at least one or more customers through the van server through the relay server. By transmitting and receiving a payment approval request message and / or payment approval message and a payment server, the electronic payment procedure using the customer-owned card is performed.

Referring to FIG. 9A, a series of network configurations including the WCDMA / HSDPA-based wireless communication network, a relay server, and a dedicated communication network connecting the van server and / or the van server and the card issuer-side payment server are the card terminals. 105 forms a payment communication network (eg, a value added communication network) for performing a predetermined electronic payment procedure using the customer-owned card.

Referring to FIG. 9B, a series of network configurations including the IEEE 802.16x based wireless communication network, a relay server, and a dedicated communication network connecting the van server and / or the van server and the card issuer-side payment server are the card terminals. 105 forms a payment communication network (eg, a value added communication network) for performing a predetermined electronic payment procedure using the customer-owned card.

Referring to FIG. 9C, a series of network configurations including the IEEE 802.11x-based external wireless communication network, a relay server, and a dedicated communication network connecting the van server and / or the van server and the card issuer-side payment server are the card. The terminal 105 forms a payment communication network (eg, a value added communication network) for performing a predetermined electronic payment procedure using the customer-owned card.

According to another embodiment of the present invention, a packet received by the relay server is generated in the short-range communication terminal 100 connected to the card terminal 105 and a predetermined short-range communication channel, and is provided in the card terminal 105. When it is confirmed that the stack has been transmitted to the wireless communication network (eg, WCDMA / HSDPA-based wireless communication network, IEEE 802.16x-based wireless communication network, and IEEE 802.11x-based external wireless communication network) through the bridge function of the stack, the relay server transmits the packet to a predetermined packet. It is characterized in that the transmission through the backbone network (BackBone Network) to the transmission destination server (and / or terminal 100) of the packet.

That is, the near field communication terminal 100 to which the card terminal 105 is connected to the near field communication channel may include at least one server (and / or terminal 100) through a bridge function of the communication protocol stack provided in the card terminal 105. )) And a predetermined communication channel are connected.

For example, a card terminal 105 having a bridge function of the communication protocol stack is connected to a web server and a client / server based communication channel on the Internet through the backbone network, and / or the terminal 100 device on the Internet. And peer to peer (P2P) based communication channels may be connected.

In addition, the card terminal 105 having a bridge function of the communication protocol stack is defined to provide a specific application service (eg, based on (or based on a backbone)) a predetermined application network connected to the backbone network. The server (and / or terminal 100) on the network is characterized in that the predetermined communication channel is connected.

For example, a card terminal 105 having a bridge function of the communication protocol stack may have a predetermined communication channel with a server (for example, a VoIP server) on an application network such as a predetermined VoIP (Voice over IP) network connected to the backbone network. And / or a communication channel may be connected with the VoIP terminal 100 on the VoIP network.

In addition, the card terminal 105 having a bridge function of the communication protocol stack may include a terminal on a predetermined external network (for example, a network connected through an application network and a gateway) connected to a predetermined application network connected to the backbone network. 100) characterized in that the device and the predetermined communication channel is connected.

For example, a card terminal 105 having a bridge function of the communication protocol stack may be a server on a public switched telephone network (for example, an automatic response service (ARS) server) connected to a predetermined VoIP network connected to the backbone network. And a predetermined communication channel may be connected, and / or a communication channel may be connected to the call terminal 100 on the VoIP network.

10 is a diagram showing a preferred functional configuration of a card terminal 105 having a bridge function of a communication protocol stack according to another embodiment of the present invention.

In more detail, FIG. 10 illustrates a W-CDMA and / or HSDPA-based wireless communication network, an IEEE 802.11x-based wireless communication network, and an IEEE 802.16x-based wireless device, which are provided at an affiliated store for at least one electronic payment process and operate based on a CDMA stack. Wireless communication means for connecting (and / or communication connection) to at least one or more wireless communication networks of a communication network, and at least one local communication means for at least one of a short range wireless communication means and / or a short distance optical communication means and / or a short distance wired communication means. And a preferred functional configuration of the card terminal 105 for bridging the short-range communication means and the wireless communication means on a communication protocol stack, and a person skilled in the art to which the present invention pertains, FIG. And at least one wireless communication means and near field communication means for reference and / or modification; Although various functional configurations may be inferred for the card terminal 105 for bridging the communication means and the near field communication means on a communication protocol stack, the present invention includes all the inferred implementation methods, and is shown in FIG. It is not limited to the method.

According to the preferred embodiment of the present invention, in FIG. 10, the wireless communication means provided in the card terminal 105 having the bridge function of the communication protocol stack is based on W-CDMA and / or HSDPA operating based on the CDMA stack. Wireless communication means for accessing a mobile communication network, wireless communication means for accessing an IEEE 802.11x-based wireless LAN communication network, and wireless communication means for accessing an IEEE 802.16x-based portable Internet. Although it is shown, the card terminal 105 may be provided with only one of the wireless communication means of the wireless communication means, whereby the present invention is not limited.

In FIG. 10, the near field communication means used by the card terminal 105 having the bridge function of the communication protocol stack includes at least one of near field wireless communication means, near field communication means, and near field wire communication means. Although shown, the short-range communication means provided in the card terminal 105 may be provided with any one of the short-range communication means of the short-range wireless communication means, short-range optical communication means, short-range wired communication means, thereby limiting the present invention. Not.

That is, the functional configuration of the card terminal 105 shown in FIG. 10 is only for efficiently describing the technical features of the card terminal 105 equipped with the bridge function of the communication protocol stack according to the present invention. The present invention is not limited to the illustrated embodiments, but rather can be inferred from various application methods of the present invention by those skilled in the art to which the present invention pertains.

Of course, it is apparent that the present invention includes all implementation methods inferred by referring to and / or modifying this drawing 10 as described above.

Referring to FIG. 10, the card terminal 105 having a bridge function of the communication protocol stack includes a control unit 205 for controlling and operating the overall functions of the card terminal 105, and the card terminal 105. And a memory unit 250 for storing information (or data) necessary for controlling and operating the overall function, and / or recording a program necessary for controlling and operating the overall function of the card terminal 105. And a card reader unit 235 for reading predetermined payment means information from a customer-owned card having at least one payment means for defining electronic payment processing, and a screen output function of the card terminal 105. A screen output unit 210, a sound processor 215 for the sound input / output function of the card terminal 105, and a key input unit 220 for a key input function of the card terminal 105. Characterized in that it is provided in nature, in accordance with the intention of those skilled in the art for a safer and more efficient electronic payment processing security application module (225) (Secure Application Module; SAM) is further provided, and / or in the electronic payment processing It is preferable to further include a predetermined print output unit 240 for printing the receipt.

According to the present invention, a card terminal 105 having a bridge function of the communication protocol stack processes the card terminal 105 to communicate with a W-CDMA and / or HSDPA based wireless communication network operating based on a CDMA stack. A WCDMA / HSDPA communication processor 255, an IEEE 802.11x communication processor 260 for processing the card terminal 105 to communicate with an IEEE 802.11x-based wireless communication network, and an IEEE 802.16x-based card terminal 105 And at least one wireless communication processor of the IEEE 802.16x communication processor 265 for processing to communicate with the wireless communication network.

According to the present invention, the card terminal 105 having the bridge function of the communication protocol stack is connected to the terminal 100 having a predetermined short range wireless communication unit and a predetermined short range wireless communication channel to connect the short range wireless communication channel. The short-range wireless communication unit 270 for processing a predetermined short-range wireless communication corresponding to the terminal 100 having a predetermined short-range optical communication means and a predetermined short-range optical communication channel are connected to correspond to the short-range optical communication channel. A predetermined short-range corresponding to the short-range wired communication channel by connecting a short-range optical communication unit 275 that processes a predetermined short-range optical communication, a terminal 100 having a predetermined short-range wired communication means, and a predetermined short-range wired communication channel; A short distance wired communication unit 280 for processing wired communication is provided.

In addition, the card terminal 105 having a bridge function of the communication protocol stack includes a power supply unit 230 (eg, a power supply device and / or a battery, etc.) for supplying power required for the card terminal 105 to operate. It is characterized by further comprising).

The controller 205 includes a processor including a CPU / MPU in hardware and an execution memory (for example, a register and / or a random access memory (RAM)), and the card terminal 105 from the memory unit 250. Includes a predetermined program routine and / or a bus for inputting and outputting program data and a predetermined electronic circuit (or integrated circuit) provided therefor for realizing the overall (and / or characteristic) function of And a program which is loaded into the execution memory from a predetermined memory unit 250 (and / or a chip set) by software and is processed by the processor to realize at least one predefined function. Generic term for routine and / or program data (hence, in the present invention, recorded on the recording medium of the card terminal 105 for the bridge function of the communication protocol stack). A definition program routine is illustrated and illustrated as being provided in the control unit 205 for convenience.) Various functions to be implemented in the card terminal 105 by the control unit 205 are realized. In order to realize the above, it is characterized by controlling and operating the overall operation of the card terminal 105.

In particular, when power is input to the card terminal 105 to perform a function of the controller 205 that controls and operates the overall operation of the card terminal 105, an operating system stored in a predetermined memory unit 250. Routines, system management routines, and / or system variables are loaded into the execution memory and computed by the processor to perform functions of providing an operating system, system management program, and / or communication service.

The screen output unit 210 drives a predetermined screen output device (eg, an LCD (Liquid Crystal Display) device, and / or a CRT (Cathode Ray Tube) device) provided in the card terminal 105, Predetermined screen output data (for example, screen output data generated by a screen output program routine) generated from the control unit 205, key data generated through the key input unit 220, predetermined data provided in the card terminal 105 And outputting various information, signals, and / or contents (eg, text contents, image contents, and / or multimedia contents) extracted and / or generated in the process of performing the function of the screen output device. To this end, the screen output unit 210 includes a driver for outputting the screen output information (and / or data) according to the resolution and / or the number of colors corresponding to the screen output device. It is.

The sound processor 215 drives a sound input device (for example, a microphone) included in the card terminal 105, encodes a predetermined sound signal input from the sound input device, and sends it to the controller 205. Provide a sound, and / or drive a sound input device (eg, a speaker) provided in the card terminal 105, and decode a predetermined sound signal extracted and / or generated by the control unit 205. It is characterized in that output through the output device (for example, a speaker), for this purpose, the sound processing unit 215 is provided with a predetermined vocoder (Vocoder) and codec (Codec). The sound processing unit 215 and the microphone to perform the function of the sound input means provided in the card terminal 105, or the sound processing unit 215 and the sound output provided in the card terminal 105 through the speaker Perform the function of the means.

The key input unit 220 is provided with at least one key button including a predetermined number key and / or a character key and / or a function key. Detects information (or signals) input from a key input device (e.g., a keypad, and / or a keyboard), and specifies a specific input mode of the card terminal 105 controlled by the control unit 205. And / or predetermined information (or signal) is inputted from a predetermined key button provided in the keypad in an operation mode, so that at least one or more key events (eg, MH_KEY_PRESSEVENT, MH_KEY_REPEATEVENT) corresponding to the input information (or signal) are input. , MH_KEY_RELEASEEVENT), the generated key event is provided to the controller 205, and the controller 205 is configured to perform the operation in the current input mode and / or operation mode of the card terminal 105. Read the predetermined key data corresponding to the key event (eg, from the key table for storing (managing) at least one or more key data corresponding to a specific key event in each card terminal 105 input mode and / or operation mode). Read key data in a key event) and / or read a command for executing a predetermined function defined in accordance with the key event. The keypad including the key input unit 220 and at least one key button interlocks with each other to perform a function of a key input unit provided in the card terminal 105.

The customer who receives the electronic payment service through the card terminal 105 may use an MS (Magnetic Stripe) card based on the ISO / IEC 7810 standard, and / or a contact IC card (or wireless) based on the ISO / IEC 7816 standard. IC chip) and / or a card including (or owning) at least one contactless IC card (or wireless IC chip) based on ISO / IEC 14443 standard, and the card reader unit 235 holds the card. It is characterized in that the interface for reading at least one or more information or data provided in the.

According to the method of the present invention, the card reader unit 235 is an MS card reader unit 235 which provides an interface between the MS card and the card terminal 105, and / or the contact IC card and the A contact IC card reader unit 235 providing an interface between card terminals 105 and / or a contactless IC card reader unit 235 providing an interface between the contactless IC card and the card terminal 105. Is done.

The MS card reader 235 is a card reader 235 based on ISO / IEC 7810. The MS card reader 235 includes at least one magnetic head including a predetermined coil. The magnetic head is moved in a predetermined direction in close contact with the magnetic head (or the magnetic head moves in close contact with an MS card in which predetermined information is recorded). By using a predetermined electrical signal is loaded on the interface of the predetermined information or data from the at least one or more tracks provided in the MS of the MS card to the card terminal (105).

The contact type IC card reader 235 is a card reader 235 based on ISO / IEC 7816. The contact type IC card reader 235 forms at least an electrical contact in contact with a chip on board (COB) provided in the contact type IC card. It comprises at least one contact point, and supplies power to the IC chip of the IC card through the contact point, and predetermined from the IC chip through the half-duplex transaction using an Application Protocol Data Unit (APDU) It is characterized in that the information or data of the interface to the card terminal 105.

The contactless IC card reader 235 is a card reader 235 based on ISO / IEC 14443. The contactless IC card reader 235 is contactless with a contactless IC card by using capacitive coupling and / or inductive coupling. It comprises at least one antenna making an electrical contact, the power supply to the IC chip of the IC card through the antenna, and predetermined from the IC chip through the half-duplex transaction using the APDU It is characterized by interfacing information or data to the card terminal 105.

According to the exemplary embodiment of the present invention, the card reader 235 is provided with predetermined card information (eg, in the card) from at least one or more card readers 235 for the electronic payment service defined in the card terminal 105. The payment means information corresponding to the payment means including at least one credit card, debit card, debit card, cash card, financial account).

The Secure Application Module (225) is a confidentiality and / or authentication required by the card terminal 105 in the process of performing the electronic payment and / or electronic payment using the card. And / or security requirements, including integrity and / or nonrepudiation, can be secured and trusted within the card terminal 105 without using an authentication server (or payment server) on the payment network. As a safety device for performing such a structure, a predetermined message (information or data) processed in the process of performing the predetermined security request function (for example, electronic payment and / or electronic payment function) is performed by the card terminal 105. Adds an authenticator that encrypts or decrypts, prevents forgery (or tampering) of the message, or stores sensitive key information And performing a function according to claim.

In general, the security application module 225 is preferably composed of a predetermined security application module 225 inserter and a security application module 225 chip, the security application module 225 chip is a chip containing at least 8-bit CPU Application Specific Integrated Circuit (ASIC) chips (eg, PLCC 44-pin chips) and / or IC chips (eg, IC cards in the form of subscriber identity modules (SIMs)) with performance of 2 MIPS (Million Instructions Per Second) or more. It is preferable to comprise a.

In addition, the security application module 225 is at least one or more security application data (eg, at least one identifier, version, expiration date, issue date, code value, etc.) required for the card terminal 105 to perform a predetermined security request function ) And / or keys (e.g., one master key and at least one application key) and / or protocols (e.g., trading protocols, re-transaction protocols, previous transaction cancellation protocols, collection protocols, SAM issuance protocols, (e-money company / card company) Registration protocol, authorization protocol, mode switching protocol, key download protocol, SAM revocation protocol) and / or commands (e.g., at least one read / authentication / transmission / registration / setting / mode switching / collection / deletion / disposal / initialization) / Reprocess / cancel command).

The print output unit 240 may process the card terminal 105 to perform a predetermined function (e.g., an electronic payment processing function using a card) and / or predetermined information or data (e.g., payment processing) generated as a result. Outputting the result information or data) to a predetermined printing apparatus (for example, a receipt printer), and a printing protocol for printing the printing information or data through the predetermined printing apparatus in accordance with a predefined printing form; This includes the driver.

The WCDMA / HSDPA communication processing unit 255 transmits the card terminal 105 to a network component on a W-CDMA and / or HSDPA-based wireless communication network and the W-CDMA and / or via a W-CDMA and / or HSDPA-based communication protocol. Or wireless communication means for processing an HSDPA based communication protocol to perform wireless communication, comprising a device configuration including an antenna, an RF processing unit, an IF processing unit, and a baseband unit corresponding to the W-CDMA and / or HSDPA communication standard in hardware. And a system program (e.g., each) that causes the RF processor, the IF processor, and the baseband to process radio frequency signals transmitted and received through the antenna in software corresponding to the W-CDMA and / or HSDPA based communication protocols. Firmware included in the device configuration, and / or a system program included in (or included in) the operating system of the card terminal 105). Preferably, where the lure, the preferred embodiment of this is to refer to the same figure 3a.

The IEEE 802.11x communication processor 260 processes the card terminal 105 to wirelessly communicate the IEEE 802.11x based communication protocol with a network component on an IEEE 802.11x based external wireless communication network through an IEEE 802.11x based communication protocol. A wireless communication means, comprising a device configuration including an antenna, an RF processing unit, an IF processing unit, and a baseband unit corresponding to the IEEE 802.11x communication standard in hardware, and a radio frequency signal transmitted and received through the antenna in software. To a system program (e.g., firmware provided in each device configuration, and / or an operating system of the card terminal 105) for the RF processing unit, the IF processing unit, and the baseband unit to process the IEEE 802.11x based communication protocol. System program provided (or included)), For a preferred embodiment, see Figure 3b above.

The IEEE 802.16x communication processor 265 wirelessly processes the card terminal 105 to wirelessly communicate the IEEE 802.16x based communication protocol with a network component on an IEEE 802.16x based wireless communication network through an IEEE 802.16x based communication protocol. A communication means, comprising hardware configuration comprising an antenna, an RF processing unit, an IF processing unit and a baseband unit corresponding to the IEEE 802.16x communication standard in hardware, and transmits a radio frequency signal transmitted and received through the antenna in software. A system program (e.g., firmware included in each device configuration, and / or an operating system of the card terminal 105) to allow the RF processing unit, the IF processing unit, and the baseband unit to process the IEEE 802.16x based communication protocol. System programs) (or included) Preferred embodiments refer to Figure 3c above.

The memory unit 250 is input and output when an operation by a predetermined program routine (or code) and / or program data (eg, a program routine (or code)) for controlling the overall operation of the card terminal 105 is performed. A general term for memory that stores information and / or data; read only memory (ROM) corresponding to read-only memory, flash memory (FM), and electrically erasable and programmable read only (EEPROM). And a nonvolatile memory including at least one of a memory, a hard disk drive, and the like. In general, the ROM stores system information that should not be deleted, and the nonvolatile memory includes an operating system routine, a communication processing program routine, and / or various application program routines provided through the card terminal 105 and information or data therefor. Etc. are stored.

According to the present invention, the memory unit 250 stores communication parameter information in at least one communication network to which the card terminal 105 can connect in order to provide a bridge function of the communication protocol stack. .

Here, the communication parameter information is parameter information for accessing each communication network according to a communication protocol standard defined in at least one communication network to which the card terminal 105 can access, and the card terminal 105 includes at least one. In the process of connecting (and / or communication connection) to the above-described wireless communication network, basic information defined to transmit and receive with network components on each communication network is included.

According to the present invention, the memory unit 250 has the card terminal 105 through at least one of the short range communication unit of the short range wireless communication unit 270 and / or the short range optical communication unit 275 and / or the short distance wired communication unit 280. ) And address processing information corresponding to an address to be allocated to the terminal 100 to which the near field communication channel is connected.

In order for the terminal 100 connected to the card terminal 105 and a predetermined short range communication channel to connect (and / or communicate) to the communication network, the terminal 100 connected to the short range communication channel may be used in the wireless communication network. In general, the terminal 100 is not assigned an address for accessing (and / or communicating) the wireless communication network, and / or an address which cannot be used in the wireless communication network is assigned. have.

Accordingly, the card terminal 105 is a wireless communication network to which the terminal 100 connects (and / or communicates) through the card terminal 105 while the terminal 100 and the predetermined short-range communication channel are connected. In the present invention, a predetermined address that can be used must be allocated, and the address processing information includes information for allocating a predetermined address that can be used in a wireless communication network to the terminal 100.

According to an embodiment of the present invention, the terminal 100 is a predetermined address available in the wireless communication network from a dynamic address allocation server (for example, a DHCP server, not shown) on the wireless communication network bridged through the card terminal 105. An address may be dynamically allocated, wherein the address processing information is information corresponding to a procedure for the card terminal 105 to dynamically allocate a predetermined address from a dynamic address allocation server (not shown) on the wireless communication network. It is preferable to comprise a.

According to another exemplary embodiment of the present invention, the card terminal 105 may secure a predetermined address (and / or address area) to be allocated to the terminal 100 to which the local area communication channel is connected. In this case, the address processing information may include address information (and / or address area information) to be assigned to the card terminal 105.

According to another exemplary embodiment of the present invention, the card terminal 105 has a predetermined virtual address (for example, an IPv4-based IP address, 192.168.0.1 to 255) to the terminal 100 to which the local area communication channel is connected. ") May be allocated, and the address processing information may include information for allocating a virtual address to the terminal 100.

According to the present invention, the memory unit 250 preferably stores a predetermined communication program routine for providing a bridge function of the communication protocol stack. The communication program routine may include booting of the card terminal 105. And at the same time (or through a predetermined communication-related command) loaded into the execution memory of the control unit 205, whereby a functional configuration of a communication program routine for providing a bridge function of the communication protocol stack is provided for convenience. A block diagram in the control unit 205 will be described.

Referring to FIG. 10, if a communication program routine providing a bridge function of the communication protocol is connected to the terminal 100 and a predetermined short-range communication channel through at least one short-range communication unit, the communication with the terminal 100 is performed. An address processing unit 297 for allocating and processing an address for connecting to (and / or communicating with) a wireless communication network, and reading the packet information transmitted / received on the protocol stack to bridge the packet or to transmit / receive the packet. A bridge confirmation unit 295 for checking whether the card terminal 105 is to be used, and when the transmission and reception packet is bridged, the protocol stack corresponding to the short range communication unit and the protocol stack corresponding to the communication processing unit are bridged. A bridge function unit 285 is provided.

In addition, the communication program routine that provides the bridge function of the communication protocol, when bridging the transmission and reception packet as a result of the confirmation by the bridge confirmation unit 295, confirms whether to convert the transmission and reception packet structure, and in accordance with the confirmation result And a protocol conversion unit 290 for converting the transmission / reception packet to be bridged on a protocol stack.

In general, the application program (and / or the terminal 100 program for electronic payment processing) provided in the card terminal 105 is characterized in that the interworking with the highest layer on the communication protocol stack, the communication protocol stack of the lower layer It is built and developed with full trust.

That is, an application program (and / or terminal 100 program for electronic payment processing) provided in the card terminal 105 operates by calling an API (Application Program Interface) function corresponding to the highest layer on the communication protocol stack. The communication protocol stack of the lower layer may include the communication processing unit (eg, the WCDMA / HSDPA communication processing unit 255 and / or the IEEE 802.11x communication processing unit 260 and / or the IEEE 802.16x communication processing unit 265 and / or the IP-based communication protocol stack). And a system program provided in a communication processing unit, and / or a system program provided in an operating system of the card terminal 105. The application program (and / or terminal for electronic payment processing) 100) the program does not access the communication protocol stack of the lower layer.

According to the present invention, in the communication protocol structure as described above, the bridge function unit 285 is a communication processing unit (e.g., WCDMA / HSDPA communication processing unit 255 and / or IEEE 802.11x communication processing unit provided in the card terminal 105). 260 and / or a communication protocol layer (eg, a physical layer, a data link layer) corresponding to the IEEE 802.16x communication processing unit 265 and / or an IP based communication processing unit, and an operating system of the card terminal 105. And a logical bridge function layer that logically bridges a protocol layer corresponding to the local area communication unit and a protocol layer corresponding to the external communication unit between the established communication protocol layers.

According to an embodiment of the present invention, the logical bridge function layer is included in a predetermined protocol layer on the communication protocol layer provided in the card terminal 105, and / or in at least two or more protocol layers according to the function of each layer. All of them can be included separately, and the present invention is not limited thereto.

According to one embodiment of the present invention, the protocol stack above the logical bridge function layer preferably includes a structure included in a hierarchical structure corresponding to the main communication protocol stack provided in the card terminal 105, The protocol stack below the logical bridge functional layer has a hierarchical structure corresponding to a main communication protocol stack provided in the card terminal 105, and a layer corresponding to at least one or more other communication protocol stacks bridged by the logical bridge functional layer. It is preferable to comprise a structure.

That is, it is preferable that the upper layer performs protocol stack processing for using the packet terminal transmitted and received through the protocol stack in the card terminal 105 based on the logical bridge function layer, and bridged by the logical bridge function layer. At least two or more protocol layers corresponding to the protocol stacks are preferably located below the logical bridge function layer.

For example, the card terminal 105 is a main communication protocol stack is a WCDMA / HSDPA communication protocol (= card terminal 105 is connected (and / or communication connection) to a WCDMA / HSDPA-based wireless communication network, the logical bridge functional layer) If the WCDMA / HSDPA communication protocol layer is provided in a specific layer, at this time, the upper layer of the layer with the logical bridge function layer is implemented as the WCDMA / HSDPA communication protocol layer, the logical bridge function layer is provided The lower layer of the layer includes a lower layer of the WCDMA / HSDPA communication protocol stack and includes a lower layer of at least one or more other protocol stacks bridged through a logical bridge function layer.

In this case, the logical bridge function layer bridges at least two or more protocol stacks located in a lower layer based on a WCDMA / HSDPA communication protocol stack corresponding to the main communication protocol stack, and / or are mutually compatible. Bridge protocol layers between them.

For example, the card terminal 105 is a main communication protocol stack is an IEEE 802.11x communication protocol (= card terminal 105 is connected (and / or communication connection) to an IEEE 802.11x-based external wireless communication network, the logical bridge function If the layer is provided in a specific layer of the IEEE 802.11x communication protocol layer, then the upper layer of the layer provided with the logical bridge function layer is implemented as the IEEE 802.11x communication protocol layer, and the logical bridge function layer is provided. The lower layer of the defined layer includes a lower layer of the IEEE 802.11x communication protocol stack and also includes a lower layer of at least one or more other protocol stacks bridged through a logical bridge function layer.

In this case, the logical bridge function layer bridges at least two protocol stacks located in a lower layer with each other, and / or are compatible with each other in the same protocol layer based on the IEEE 802.11x communication protocol stack corresponding to the main communication protocol stack. Bridge protocol layers between them.

For example, the card terminal 105 is the main communication protocol stack is IEEE 802.16x communication protocol (= card terminal 105 is connected (and / or communication connection) to the IEEE 802.16x based wireless communication network, and the logical bridge functional layer) If a specific layer of the IEEE 802.16x communication protocol layer is provided, then an upper layer of the layer provided with the logical bridge function layer is implemented with the IEEE 802.16x communication protocol layer, and the logical bridge function layer is provided. The lower layer of the layer includes a lower layer of the IEEE 802.16x communication protocol stack and also includes a lower layer of at least one or more other protocol stacks bridged through a logical bridge function layer.

In this case, the logical bridge function layer bridges at least two protocol stacks located in a lower layer with each other, and / or are compatible with each other based on the IEEE 802.16x communication protocol stack corresponding to the main communication protocol stack. Bridge protocol layers between them.

The address processing unit 297 is provided through at least one of the short range wireless communication unit 270 and / or the short range optical communication unit 275 and / or the short range wired communication unit 280 provided in the card terminal 105. When the terminal 100 and the short-range communication channel are connected, a predetermined address for accessing (and / or communicating) the wireless communication network to the terminal 100 using the address processing information stored in the memory unit 250. It is characterized in that for assigning and processing.

According to an exemplary embodiment of the present invention, the address processing unit 297 extracts address processing information including dynamic address allocation server information existing on the wireless communication network from the memory unit 250, and extracts the address processing information. On the basis of this, it is preferable to access a dynamic address assignment server located on the wireless communication network, request a predetermined address to be allocated to the terminal 100, and allocate the allocated address to the terminal 100. The terminal 100 connected to the card terminal 105 and a predetermined short-range communication channel connects to the wireless communication network with the assigned address through a bridge function on a protocol stack provided in the card terminal 105 (and / or communication). Connection).

According to another exemplary embodiment of the present invention, the address processing unit 297 may assign predetermined address information (and / or address area information) to be allocated from the memory unit 250 to the terminal 100 to which the local area communication channel is connected. It is preferable to extract predetermined address processing information including and to assign a predetermined address to the terminal 100 based on the address information (and / or address area information) included in the address processing information. The terminal 100 connected to the card terminal 105 and a predetermined short-range communication channel connects to the wireless communication network with the assigned address through a bridge function on a protocol stack provided in the card terminal 105 (and / or communication). Connection).

According to another exemplary embodiment of the present invention, the address processing unit 297 may be allocated to the terminal 100 to which the local area communication channel is connected from the memory unit 250 (eg, overlapping with another terminal 100). Extracts predetermined virtual address information (eg, “192.168.0.1 to 255” for an IPv4-based IP address), and transmits the virtual address information to the terminal 100 based on the virtual address information included in the address processing information. It is preferable to allocate a predetermined address, whereby the terminal 100 connected to the card terminal 105 and a predetermined short distance communication channel is allocated through a bridge function on a protocol stack provided in the card terminal 105. It is possible to connect (and / or communicate with) the wireless communication network with an address.

According to an exemplary embodiment of the present invention, the method of the address processor 297 assigning and processing a predetermined address obtained through the address processing information to the terminal 100 to which the local area communication channel is connected may include the local area communication channel. It is preferable to directly allocate a predetermined address obtained in correspondence with the address processing information in the connected terminal 100, and the method of performing the above-mentioned method is a short-range communication unit operating based on a predetermined address in the terminal 100. Is provided, and can be effectively implemented when the short-range communication means is provided with a function configuration capable of dynamically assigning a predetermined address.

For example, when a function configuration for allocating a predetermined address is provided in the terminal 100 provided in the terminal 100 to which the card terminal 105 and the short-range communication channel are connected (for example, the terminal 100). When the short-range communication means provided in the operation through the address assignment), the address processing unit 297 is provided to the terminal 100 by providing the terminal 100 with the address obtained corresponding to the address processing information Configured to allocate the address dynamically through the configuration of address assignment related functions.

According to an exemplary embodiment of the present invention, the method of the address processor 297 assigning and processing a predetermined address obtained through the address processing information to the terminal 100 to which the local area communication channel is connected may include the local area communication channel. Preferably, the connected terminal 100 logically allocates a predetermined address obtained corresponding to the address processing information. In such an implementation method, the short-range communication means provided in the terminal 100 is based on a predetermined address. It can be effectively implemented when the operation is not performed or the local area communication means is operated based on a predetermined address, but there is no function configuration for dynamically allocating the address.

Here, logically allocating the address to the terminal 100 means that the card terminal 105 allocates the address without directly assigning the predetermined address obtained through the address processing information to the terminal 100. When the packet is requested to be transmitted to the wireless communication network through the short-range communication channel after receiving the temporary processing by interworking with the short-range communication channel information (and / or short-range terminal 100 information), The card terminal 105 converts the packet into a packet structure through which the stored address is transmitted to the wireless communication network, and / or adds the stored predetermined address to the packet (and the packet terminal 105). And / or insert) to transmit to the wireless network.

Alternatively, when a packet to be finally received from the wireless communication network to the terminal 100 is received, the packet terminal compares the packet with the address included in the received packet and the stored address to compare the packet to the local area communication channel. And converting into a packet structure corresponding to and / or enhancing (and / or erasing) an address included in the received packet in the card terminal 105 and transmitting the same to the terminal 100.

The bridge checking unit 295 may be determined through at least one of the short range wireless communication unit 270 and / or the short range optical communication unit 275 and / or the short range wired communication unit 280 provided in the card terminal 105. When a predetermined packet is received through the short-range communication channel with the terminal 100 of (for example, when a packet transmitted from the terminal 100 flows into the card terminal 105), the received packet is read and the Whether to use the packet in the card terminal 105, and / or bridge to the wireless communication network through the bridge function of the protocol stack according to the invention.

In addition, when the bridge check unit 295 bridges the packet to a protocol stack corresponding to the communication processing unit, the bridge check unit 295 checks whether the packet is a packet for payment processing or a packet for general data communication. Should be

According to an embodiment of the present invention, a packet received through the near field communication channel to the card terminal 105 is moved to a higher layer while packet information corresponding to each protocol layer is removed from a lower layer on a protocol stack corresponding to a near field communication unit. The logical bridge function layer is provided and reaches the logical bridge function layer. When the packet including at least one packet information reaches the logical bridge function layer from a lower layer on a protocol stack corresponding to the local area communication unit, By reading the packet information contained in the packet (e.g., destination information where the packet was last transmitted), it is desirable to confirm whether the packet is to be used by the card terminal 105 and / or transmitted to the wireless communication network.

If it is confirmed that the packet is not bridged on the protocol stack, the packet is provided by the bridge function 285 to an upper layer of the logical bridge function layer and is provided in the card terminal 105. It is processed through a program (and / or terminal 100 program for electronic payment processing).

On the other hand, if it is confirmed that the packet is bridged on the protocol stack, the packet corresponds to a communication processor provided in the card terminal 105 via the logical bridge function layer by the bridge function unit 285. Bridged to the stack and sent to the wireless network.

Also, when a predetermined packet is generated in the card terminal 105 (eg, a packet generated in an upper layer of the main protocol stack provided in the card terminal 105), the bridge checking unit 295 may perform the logical bridge. Reaching the functional layer), reading the generated packet to determine whether to transmit the packet through a protocol stack corresponding to the communication processor to a wireless communication network and / or bridge it to a protocol stack corresponding to the local area communication unit. Characterized in that.

According to the exemplary embodiment of the present invention, the data to be transmitted to the outside generated by the card terminal 105 is provided to the lower layer while the packet information corresponding to each protocol layer is added from the upper layer on the communication protocol layer, and the lowest layer ( For example, the physical layer transmits the communication packet including at least one packet information corresponding to each layer (for example, destination information where the packet was last transmitted) to the outside as described above. Reads packet information included in the packet when a packet including at least one packet information arrives from the upper layer, and transmits the packet to a wireless communication network, and / or the local area communication channel. It is preferable to check whether to transmit to the terminal 100 through.

If it is confirmed that the packet is not bridged on the protocol stack, the packet is transmitted by the bridge function 285 to a wireless communication network through a main protocol stack connected to a lower layer of the logical bridge function layer.

On the other hand, if it is confirmed that the packet is bridged on the protocol stack, the packet corresponds to a short range communication unit provided in the card terminal 105 via the logical bridge function layer by the bridge function unit 285. Bridged to the stack is transmitted to the terminal 100 through the short-range communication channel.

When a predetermined packet is received from the wireless communication network through the communication processing unit included in the card terminal 105, the bridge checking unit 295 reads the received packet and uses the packet in the card terminal 105. And / or whether to bridge to a predetermined terminal 100 through a bridge function of the protocol stack according to the present invention.

According to an embodiment of the present invention, a packet received from the wireless communication network to the card terminal 105 is provided to a higher layer while packet information corresponding to each protocol layer is removed from a lower layer of the main protocol stack. As described above, data in which each packet information is removed from each layer is provided to the application program (and / or the terminal 100 program for electronic payment processing), and the bridge check unit 295 provides at least one packet information. When the containing packet reaches the logical bridge function layer from a lower layer of the main protocol stack, the packet information is read by the packet information included in the packet (e.g., destination information to which the packet was last transmitted). ) And / or whether to transmit to the terminal 100 through the local area communication channel. It is preferred.

If it is confirmed that the packet is not bridged on the protocol stack, the packet is provided by the bridge function 285 to an upper layer of the logical bridge function layer and is provided in the card terminal 105. It is processed through a program (and / or terminal 100 program for electronic payment processing).

On the other hand, if it is confirmed that the packet is bridged on the protocol stack, the packet corresponds to a short range communication unit provided in the card terminal 105 via the logical bridge function layer by the bridge function unit 285. Bridged to the stack is transmitted to the terminal 100 through the short-range communication channel.

The protocol conversion unit 290 is characterized in that it is provided with a function to determine whether to convert the transmission and reception packet structure, when the bridge check unit 295 to bridge the transmission and reception packets.

For example, when the short range communication means is USB, the USB packet generated by the protocol stack corresponding to the USB has a packet structure that can be transmitted to the wireless communication network through the wireless communication means provided in the card terminal 105. In this case, the protocol conversion unit 290 confirms to convert the USB packet into a packet structure that can be transmitted to the wireless communication network.

If it is confirmed that the transmission / reception packet structure needs to be converted, the protocol conversion unit 290 may convert the transmission / reception packet to be bridged on a protocol stack.

According to an embodiment of the present invention, when the protocol conversion unit confirms that the packet is a packet for payment processing as a result of the bridge confirming unit 295, the protocol conversion unit stores the packet as the SSL (or Secure Sockets Layer) and / or WTLS ( The WCDMA / HSDPA-based wireless communication network, and / or the IEEE 802.16x-based wireless communication network, such as Wireless Transport Layer Security (AAA) and / or Authentication, Authorization and Accounting (AAA), and / EH are security corresponding to an IEEE 802.11x external wireless communication network. It is preferable that the encryption further comprises a protocol.

According to an exemplary embodiment of the present invention, the protocol converter 290 converts a packet corresponding to the local area communication unit from a packet structure corresponding to the local area communication unit by using a packet defined in a protocol stack corresponding to the local area communication unit. Preferably, the method includes reading an encapsulating packet to read predetermined packet data, and encapsulating the read packet data into a packet structure defined in a protocol stack corresponding to the communication processor.

If the packet data size read from the packet corresponding to the local area communication unit is not compatible with the packet data size of the packet corresponding to the communication processing unit, the protocol converter 290 buffers the read packet data. It is preferable to further include a function to make the read packet data size compatible.

According to another exemplary embodiment of the present invention, a method of converting a packet corresponding to the short range communication unit into a packet structure corresponding to the communication processing unit by the protocol conversion unit 290 may be defined in a protocol stack corresponding to the short range communication unit. And adding (or inserting) packet information that can be transmitted to a wireless communication network through a communication processor provided in the card terminal 105 to a packet generated (and / or processed) in a packet structure.

According to an exemplary embodiment of the present invention, the protocol conversion unit 290 converts a packet corresponding to the communication processing unit into a packet structure corresponding to the local area communication unit, which is defined in a protocol stack corresponding to the communication processing unit. It is preferable to include a step of reading a predetermined packet data by reading an encapsulating packet in a packet structure, and encapsulating the read packet data into a packet structure defined in a protocol stack corresponding to the local area communication unit. .

If the packet data size read from the packet corresponding to the communication processor is not compatible with the packet data size of the packet corresponding to the short range communication unit, the protocol converter 290 buffers the read packet data. It is preferable to further include a function to make the read packet data size compatible.

According to another exemplary embodiment of the present invention, the protocol converter 290 converts a packet corresponding to the communication processor into a packet structure corresponding to the short-range communication unit, which is defined in a protocol stack corresponding to the communication processor. And removing (or erasing) packet information that is not compatible with the protocol stack corresponding to the local area communication unit among the packet information included in the packet generated (and / or processed) in the packet structure.

Hereinafter, a card terminal having a bridge function of the communication protocol stack based on a wireless communication means and / or a short range communication means supporting a communication protocol stack compatible with the OSI (Open Systems Interconnection) 7 layer among a plurality of communication protocols. The technical characteristic of the 105 is shown and demonstrated.

However, the present invention is not only applicable to a communication protocol stack compatible with the OSI 7 layer, and a person having ordinary skill in the art to which the present invention pertains has another layer structure through the embodiment of the present invention shown below. Corresponding to each communication protocol stack made, including the technical features of the card terminal 105 equipped with a bridge function of the communication protocol stack according to the present invention, the present invention can be inferred all the implementation method It is not limited to the implementation method shown below.

11A, 11B, 11C, and 11D illustrate a logical bridge function hierarchical structure for providing a bridge function of a communication protocol stack according to another exemplary embodiment of the present invention.

11a, 11b, 11c, and 11d show the IEEE 802.16, in which the card terminal 105 having the bridge function of the communication protocol stack supports the IEEE 802.16x based communication protocol stack compatible with the OSI 7 layer. at least one short-range wireless terminal 100 and / or at least one short-range wired terminal 100 that accesses (and / or communicates with) an x-based wireless network and includes a protocol stack that is compatible with the OSI 7 layer. When a predetermined short range communication channel is connected, a method of implementing a logical bridge function layer for bridging a communication protocol stack corresponding to the short range communication channel and a communication protocol stack corresponding to an external communication network, specifically, FIG. Higher layer (and / or network layer) of the datalink layer on a communication protocol compatible with OSI 7 layer. FIG. 11B illustrates an implementation method in which a logical bridge function layer is provided in a sublayer) to provide a bridging function of the communication protocol stack, and FIG. 11B illustrates an upper layer (and / or) of a network layer on a communication protocol compatible with the OSI 7 layer. FIG. 11C illustrates an implementation of an upper layer of a transport layer on a communication protocol compatible with the OSI 7 layer, in which a logical bridge function layer is provided in the transport layer to provide a bridge function of the communication protocol stack. And / or a logical bridge function layer providing a bridging function of the communication protocol stack in a sub-layer of the session layer), and FIG. 11D illustrates a session layer on a communication protocol compatible with the OSI 7 layer. Bridge of the communication protocol stack to a higher layer (and / or sublayer of the presentation layer) An implementation method is provided in which a logical bridge function layer is provided to provide a function.

Those skilled in the art to which the present invention pertains may refer to, and / or modify, this card 11a, 11b, 11c, and 11d, so that the card terminal 105 is not connected to the IEEE 802.16x based wireless communication network. When connected to (and / or connected to) an external communication network (eg, an IP based wired communication network, and / or a WCDMA / HSDPA based wireless communication network, and / or an IEEE 802.11x based external wireless communication network, etc.), the corresponding local area communication channel Various implementation methods may be inferred for the logical bridge function layer for bridging the communication protocol stack corresponding to the communication protocol stack corresponding to the external communication network, but the present invention includes all of the inferred implementation methods. It is not limited to the embodiment shown in Figs. 11B, 11C, and 11D.

In addition, those skilled in the art to which the present invention pertains may refer to and / or modify the present figures 11a, 11b, 11c, and 11d to present the invention on another communication protocol stack that is incompatible with the OSI 7 layer. Although various implementation methods including a logical bridge function layer for providing a bridge function of a communication protocol stack according to the present invention may be inferred, the present invention includes all of the inferred implementation methods, which are illustrated in FIGS. 11A, 11B, and 11C. And the implementation method shown in Fig. 11D.

In addition, those skilled in the art to which the present invention pertains may refer to and / or modify the present figures 11a, 11b, 11c and 11d, and the communication protocol stack and OSI 7 layer compatible with the OSI 7 layer. It would be possible to infer various implementations having a logical bridge function layer that provides a bridge function of the communication protocol stack according to the present invention on an incompatible communication protocol stack, but the present invention includes all such inferred implementation methods. However, the present invention is not limited to the embodiment shown in FIGS. 11A, 11B, 11C, and 11D.

11A, 11B, 11C, and 11D, the short-range optical communication function is omitted for convenience, but a person having ordinary knowledge in the technical field to which the present invention pertains, FIGS. 11A, 11B, 11C, and 11C. Reference to and / or modification of 11d may readily infer an implementation method of bridging a communication protocol stack corresponding to the near-field optical communication function.

11A, 11B, 11C, and 11D, the OSI 7 hierarchical structure configures and maintains a physical link to enable data communication through a predetermined communication network, and a communication line corresponding to the physical link. A physical layer that defines the mechanical, electrical, functional, and procedural characteristics for establishing and / or maintaining and / or breaking circuit connections for direct transmission of data bits through Once the link is established, the physical layer is controlled to define functions for data delivery reliability such as addressing, network topology, circuit usage rules, error detection, frame forwarding and flow control for the physical link. A network between a datalink layer and at least two communication systems that are physically connected through the communication network. Network Layer, which defines error control and flow control and multiplexing functions to provide network path selection and connectivity, and the construction, routing, and termination of virtual circuits for reliability of data transmission. And a transport layer that provides transmission error detection, recovery, and flow control. The physical layer, the data link layer, the network layer, and the transport layer are configured to transmit and receive data through a predetermined communication network. It is desirable to be defined for the purpose of reliable transmission.

In the OSI 7 hierarchical structure, the network layer further performs a function of correcting that an order of a packet is changed or an error occurs, and TCP and / or UDP are defined in the network layer.

According to an embodiment of the present invention, in the OSI 7 hierarchical structure, the physical layer and the data link layer include a hardware device configuration of a communication processing unit provided in the card terminal 105, and / or the configuration of the communication device. It is preferable to include corresponding firmware, whereby the logical bridge function layer providing the bridge function of the communication protocol stack according to the present invention is preferably defined at an upper layer of the physical layer and the data link layer.

According to another embodiment of the present invention, a logical bridge function layer that provides a bridge function of the communication protocol stack may be manufactured in the form of firmware and defined in the data link layer and / or the physical layer, thereby limiting the present invention. Not.

According to another exemplary embodiment of the present invention, a partial local area communication unit which is not compatible with the OSI 7 layer structure may also include a function unit corresponding to the physical layer of the OSI 7 layer and a function unit corresponding to the MAC layer of the OSI 7 layer. It includes a portion, wherein some short-range communication unit which is not compatible with the OSI 7 layer structure also provides a bridge function of the communication protocol stack according to the present invention in the upper layer of the layer corresponding to the physical layer and MAC layer of the OSI 7 layer It is possible to define a logical bridge functional layer, whereby the present invention is not limited.

For example, when the local area communication unit supports USB-based local area wired communication, the card terminal 105 may correspond to a USB controller corresponding to the physical layer of the OSI 7 layer and the MAC layer of the OSI 7 layer. A controller control program is provided.

11A, 11B, 11C, and 11D, the OSI 7 hierarchical structure provides a function of configuring, managing, and terminating a communication session between applications provided in at least two communication systems connected through a predetermined communication network. A session layer defining a presentation layer, a presentation layer defining data conversion, compression, and encryption / decryption functions between applications provided in at least two communication systems connected through a predetermined communication network; And an application layer corresponding to an application program included in at least two communication systems connected through a communication network.

According to an embodiment of the present invention, the session layer and / or the presentation layer and / or the application layer may be integrated into one layer according to the functional characteristics of the card terminal 105 providing the bridge function of the communication protocol stack. As such, the present invention is not limited thereto.

11A, 11B, 11C, and 11D, the card terminal 105 includes a physical layer corresponding to the IEEE 802.11x standard for accessing and providing a communication connection to the IEEE 802.16x based communication network. And a data link layer including a MAC layer corresponding to the IEEE 802.11x standard.

The physical layer corresponding to the IEEE 802.16x standard uses a network component (eg, RAS) on the card terminal 105 and an IEEE 802.16x based wireless communication network through a time division duplex / orthogonal frequency division multiple access (TDD / OFDMA) scheme. Radio access system) and the like, wherein the wireless communication section comprises at least one server (and / or a wired communication section including a backbone network corresponding to the IEEE 802.11x-based wireless communication network). Or card terminal 105).

The MAC layer included in the data link layer corresponding to the IEEE 802. 16x standard includes three convergence sublayers (CS), a MAC common part sublayer (CPS), and a privacy sublayer. Convergence layer for each service performs conversion or mapping function to MAC SDU so that data of external network received through CS SAP (Service Access Point) can be transmitted to MAC layer CPS through MAC SAP. In addition, these multiple CS specifications enable connection with various protocols.

Among the MAC layers, MAC CPS provides core MAC layer functions such as system access, bandwidth allocation, connection establishment, and connection management, and the privacy sublayer includes authentication, secure key exchange, and encryption. And so on.

In addition, it includes a 48-bit medium access control layer address defined in the MAC PDU (eg, 802-2001 (R)) on the data link layer, and 16-bit connections are allocated per card terminal 105 when accessing a base station (RAS). Structure identified by CID).

Those skilled in the art to which the present invention pertains will be familiar with the technical features of the MAC layer included in the physical layer and the data link layer with reference to the IEEE 802.16x communication protocol specification. Detailed description of the physical layer and the data link layer corresponding to the 802. 16x communication protocol specification is omitted for convenience.

Referring to FIG. 11A, the logical bridge functional layer is provided at an upper layer (and / or sub-layer included in a network layer) of the data link layer, wherein the logical bridge functional layer is the data link. The physical layer and MAC layer of the IEEE 802.16x communication protocol stack and the MAC layer (and / or LLC layer) of the short range wireless communication protocol stack provided in the card terminal 105 in an upper layer (and / or network layer) of the layer. And bridge the physical layer on the protocol stack, and / or the MAC and physical layers of the short-range wired communication protocol stack provided in the card terminal 105 and the physical layer and MAC layer of the IEEE 802.16x communication protocol stack. The bridge is characterized in that.

In addition, the logical bridge function layer provided in an upper layer (and / or sub-layer included in the network layer) of the data link layer may include a presentation layer, a session layer, and a transport layer at an application layer on the communication protocol stack. In addition to the function of transmitting and receiving the communication packet provided to the network layer to the IEEE 802.16x based wireless communication network through the MAC layer and the physical layer of the IEEE 802.16x communication protocol stack, the short-range provided in the card terminal 105 Bridge and transmit and receive to the MAC layer (and / or LLC layer) and the physical layer of the wireless communication protocol stack, or bridged and transmitted to the MAC layer and physical layer of the short-range wired communication protocol stack provided in the card terminal 105 further. It is characterized by comprising.

In FIG. 11A, the logical bridge function layer is illustrated as a sub-layer provided above the network layer for convenience, but the logical bridge function layer is a sub-layer existing between the network layer and the data link layer, and / or the It may be a sublayer provided below the network layer, whereby the present invention is not limited.

Referring to FIG. 11B, the logical bridge functional layer is provided at an upper layer (and / or sub-layer included in the transport layer) of the network layer, wherein the logical bridge functional layer is The physical layer, MAC layer, and network layer of the IEEE 802.16x communication protocol stack and the network layer, MAC layer (and / or MAC) of the short range wireless communication protocol stack provided in the card terminal 105 in an upper layer (and / or transport layer). Or LLC layer) and a physical layer on a protocol stack, and / or a network of a short-range wired communication protocol stack provided in the card terminal 105 and the physical layer, MAC layer and network layer of the IEEE 802.16x communication protocol stack. Bridge the layer, MAC layer and physical layer on the protocol stack.

The logical bridge function layer provided in an upper layer (and / or sublayer included in a transport layer) of the network layer may include a presentation layer and an application layer at an application layer on the communication protocol stack and the transport layer. In addition to the function of transmitting and receiving the communication packet provided to the IEEE 802.16x based wireless communication network through the network layer, MAC layer and physical layer of the IEEE 802.16x communication protocol stack, the short-range provided in the card terminal 105 Bridge to and transmit to the network layer, MAC layer (and / or LLC layer) and physical layer of the wireless communication protocol stack, or to the network layer, MAC layer and physical layer of the short-range wired communication protocol stack provided in the card terminal 105 It is characterized in that it further comprises a bridge to transmit and receive.

If the network layer does not exist in the protocol stack corresponding to the local area communication unit in the embodiment illustrated in FIG. 11B, the upper layer (and / or transport layer) of the network layer of the IEEE 802.16x based communication protocol stack is included. The logical bridge function layer provided in the sub-layer includes a network layer, a MAC layer and a physical layer of the IEEE 802.16x communication protocol stack, and a MAC layer (and / or a short-range wireless communication protocol stack provided in the card terminal 105). LLC layer) and the physical layer directly on the protocol stack, and / or the network layer, MAC layer and physical layer of the IEEE 802.16x communication protocol stack and the MAC of the short-range wired communication protocol stack provided in the card terminal 105. It is possible to bridge the layer and the physical layer directly on the protocol stack, thereby The invention is not limited.

In FIG. 11B, the logical bridge function layer is illustrated as a sub-layer provided above the transport layer for convenience, but the logical bridge function layer is a sub-layer existing between the transport layer and the network layer, and / or the transport layer. It may be a sublayer provided below the hierarchy, and the present invention is not limited thereby.

Referring to FIG. 11C, the logical bridge functional layer is provided at an upper layer (and / or a sublayer included in a session layer) of the transport layer, wherein the logical bridge functional layer is Physical layer, MAC layer, network layer, and transport layer of the IEEE 802.16x communication protocol stack in the upper layer (and / or session layer) and transport layer, network layer of the short range wireless communication protocol stack provided in the card terminal 105 Bridge the MAC layer (and / or LLC layer) and the physical layer over a protocol stack, and / or to the card terminal 105 and the physical layer, MAC layer, network layer and transport layer of the IEEE 802.16x communication protocol stack. Bridge the transport layer, network layer, MAC layer and physical layer of the prepared short-range wired communication protocol stack on the protocol stack It is characterized by.

The logical bridge function layer provided in an upper layer (and / or a sublayer included in a session layer) of the transport layer may be a communication packet provided to the session layer through a presentation layer at an application layer on the communication protocol stack. A short-range radio provided in the card terminal 105 in addition to a function of transmitting / receiving to the IEEE 802.16x based wireless communication network through a transport layer, a network layer, a MAC layer, and a physical layer of the IEEE 802.16x communication protocol stack. The transmission layer, network layer, and MAC of the short-range wired communication protocol stack provided in the card terminal 105 may be bridged and transmitted to a transport layer, a network layer, a MAC layer (and / or LLC layer) and a physical layer of the communication protocol stack. And transmitting and receiving bridged layers and physical layers. It shall be.

If the network layer and the transport layer do not exist in the protocol stack corresponding to the local area communication unit in the embodiment illustrated in FIG. 11c, the upper layer (and / or session) of the transport layer of the IEEE 802.16x based communication protocol stack. The logical bridge function layer included in the layer includes a transport layer, a network layer, a MAC layer and a physical layer of the IEEE 802.16x communication protocol stack, and a short range wireless communication protocol stack provided in the card terminal 105. Bridge the MAC layer (and / or LLC layer) and the physical layer directly on a protocol stack, and / or the transport layer, network layer, MAC layer and physical layer of the IEEE 802.16x communication protocol stack and the card terminal 105 Bridges the MAC layer and physical layer of the short-range wired communication protocol stack directly on the protocol stack. It is possible, which the present invention is not limited.

In FIG. 11C, the logical bridge function layer is illustrated as a sub-layer provided above the session layer for convenience, but the logical bridge function layer is a sub-layer existing between the session layer and the transport layer, and / or the session. It may be a sublayer provided below the hierarchy, and the present invention is not limited thereby.

Referring to FIG. 11D, the logical bridge functional layer is provided in an upper layer (and / or sub-layer included in the presentation layer) of the session layer, wherein the logical bridge functional layer is the session layer. The near-field wireless communication protocol stack provided in the physical layer, MAC layer, network layer, transport layer, and session layer of the IEEE 802.16x communication protocol stack and the card terminal 105 in an upper layer (and / or presentation layer) of the Bridge the session layer, transport layer, network layer, MAC layer (and / or LLC layer) and physical layer of the protocol stack, and / or the physical layer, MAC layer, network layer, transport of the IEEE 802.16x communication protocol stack A session layer, a transport layer, and a network of a short-range wired communication protocol stack provided in the card terminal 105. Characterized in that the bridge layer, MAC layer and the physical layer on the protocol stack.

In addition, the logical bridge function layer provided in an upper layer (and / or sub-layer included in the presentation layer) of the session layer is a communication provided to the session layer through the presentation layer at the application layer on the communication protocol stack. In addition to the function of transmitting and receiving a packet to and from the IEEE 802.16x based wireless communication network through a session layer, a transport layer, a network layer, a MAC layer, and a physical layer of the IEEE 802.16x communication protocol stack, the communication packet is transmitted to the card terminal 105. Bridged and transmitted to the session layer, transport layer, network layer, MAC layer (and / or LLC layer) and the physical layer of the short-range wireless communication protocol stack provided, or of the short-range wired communication protocol stack provided in the card terminal 105 Bridge and send to the session layer, transport layer, network layer, MAC layer, and physical layer And further comprising characterized by comprising.

If there is no network layer and / or transport layer and / or session layer in the protocol stack corresponding to the local area communication unit in the method illustrated in FIG. 11D, the session layer of the IEEE 802.16x based communication protocol stack The logical bridge function layer provided in an upper layer (and / or a sublayer included in a presentation layer) includes a session layer, a transport layer, a network layer, a MAC layer, and a physical layer of the IEEE 802.16x communication protocol stack, and the card terminal. Bridge the MAC layer (and / or LLC layer) and the physical layer of the short range wireless communication protocol stack provided at 105 directly on the protocol stack, and / or the session layer, transport layer, network of the IEEE 802.16x communication protocol stack. MAC layer of a near field wired communication protocol stack provided in the layer, MAC layer and physical layer and the card terminal 105 It is possible to bridge layers and physical layers directly on a protocol stack, whereby the invention is not limited.

In FIG. 11D, the logical bridge functional layer is illustrated as a sub-layer provided above the presentation layer for convenience, but the logical bridge functional layer is a sub-layer existing between the presentation layer and the session layer, and / or The sublayer provided below the presentation layer may be used, and the present invention is not limited thereto.

12A and 12B illustrate a protocol stack structure in which a card terminal 105 having a bridge function of a communication protocol stack bridges a local area communication terminal 100 to a wireless communication network according to an embodiment of the present invention.

In more detail, FIGS. 12A and 12B show a bridge function of a communication protocol stack through a logical bridge function layer provided in an upper layer (and / or a sublayer of a network layer) of the data link layer as shown in FIG. 11A. In the provided card terminal 105 for the protocol stack structure for bridging the short-range wireless terminal 100 is connected to the card terminal 105 and at least one short-range wireless communication channel through the bridge function of the protocol stack according to the present invention. Specifically, FIG. 12A shows an embodiment of wireless communication that complies with (or is compatible with) the IEEE 802.11x standard while the card terminal 105 is connected (and / or connected) to an IEEE 802.16x based wireless communication network. Recalling a terminal 100 to which a short-range wireless communication channel including at least one of a WLAN and / or Bluetooth and / or Wi-Fi and / or UWB is connected. The protocol stack structure for bridging the IEEE 802.16x based wireless communication network through a physical bridge function layer, and FIG. 12B shows that the card terminal 105 accesses (and / or communicates with) an IEEE 802.16x based wireless communication network. In this state, the logical device 100 includes a terminal 100 connected to a wireless local area network (WLAN) compliant with (or compatible with) the IEEE 802.11x standard and / or at least one of Bluetooth and / or Wi-Fi and / or UWB. The protocol stack structure for bridging to the card terminal 105 via a bridge function layer.

Those skilled in the art (for example, those who understand the protocol stack structure) may refer to and / or modify the drawings 12a and 12b to allow the card terminal 105 to transmit the IEEE 802.16x. WLAN that complies with (or is compatible with) the IEEE 802.11x standard while connected to a communication network other than the base wireless communication network (e.g., a WCDMA / HSDPA based wireless communication network and / or an IEEE 802.11x based external wireless communication network). And / or may infer various implementation methods for bridging a terminal 100 connected to a short-range wireless communication channel including at least one of Bluetooth and / or Wi-Fi and / or UWB through the logical bridge function layer. Includes all the inferred implementation methods, and is not limited to the implementation methods shown in FIGS. 12A and 12B.

In addition, those skilled in the art (for example, those who understand the protocol stack structure), the card terminal 105 is the near-field by referring to and / or modifying the present drawings 12a and 12b. In addition to the wireless communication means, various embodiments of bridging the terminal 100 to which at least one short-range optical communication channel and / or short-range wired communication channel are connected through the logical bridge function layer through a near-field optical communication means and / or a short-range wire communication means. The method may be inferred, but the present invention includes all the inferred implementation methods, and is not limited to the implementation method shown in FIGS. 12A and 12B.

In addition, those skilled in the art (for example, those who understand the protocol stack structure), refer to and / or modify the present Figure 12a and 12b to the logical bridge functional layer is the data link Other equivalent protocol layers (e.g., higher layers of the network layer (and / or sublayer of the transport layer), and / or higher layers of the transport layer (and / or the higher layers of the layer (and / or sublayer of the network layer) Or a sub-layer of the session layer), and / or a higher-level layer of the session layer (and / or a sub-layer of the presentation layer), and the like. It includes all, and is not limited to the embodiment shown in Figures 12a and 12b.

In addition, those of ordinary skill in the art (for example, those who understand the protocol stack structure) may refer to and / or modify the drawings 12a and 12b so that the logical bridge functional layer is located on the protocol stack. Various implementation methods (e.g., the logical bridge function layer are provided in a mutually compatible protocol layer) are provided in an upper layer (and / or sub-layer of the network layer) of the data link layer of the local area communication means, An implementation method provided in an upper layer (and / or a sublayer of a transport layer) of a network layer, and / or the logical bridge function layer is an upper layer (and / or a sublayer of a network layer) of the datalink layer of the local area communication means. Layer provided in the upper layer (and / or sublayer of the session layer) of the transport layer of the external communication means. The method and / or the logical bridge function layer is provided in an upper layer (and / or a sublayer of a network layer) of the data link layer of the local area communication means, and an upper layer (and / or of a session layer of an external communication means). The implementation method provided in the sublayer of the presentation layer) or the implementation method provided in the protocol layer compatible with each other inferred from the illustrated embodiment method) may be inferred. It includes all the methods, and is not limited to the embodiment shown in Figures 12a and 12b.

12A and 12B, the terminal 100 to which the card terminal 105 and at least one short-range wireless communication channel are connected is provided with a protocol stack corresponding to the OSI 7 layer. It is only for easily explaining the technical features of the present invention to those skilled in the art, the terminal 100 is connected to the card terminal 105 and at least one short-range wireless communication channel is predetermined Only a physical layer and a MAC layer may be provided, and / or a predetermined protocol layer may be provided above the physical layer and the MAC layer, and a protocol stack provided in the terminal 100 may satisfy the OSI 7 layer structure. The present invention is not limited thereto.

12A and 12B, if the person skilled in the art (for example, the protocol stack structure) understands, the packet generated by the card terminal 105 (for example, A packet containing the full payment authorization request) is transmitted to the van server through a wireless communication network based on the protocol stack, and / or a packet generated by the van server (eg, a packet including the payment approval full text) is transferred to the protocol stack. Since you will be familiar with the process of receiving to the card terminal 105 through the wireless communication network on the basis, a detailed description thereof will be omitted for convenience.

Wireless LAN (WLAN) and / or Bluetooth and / or Wi-Fi complying with (or compatible with) the IEEE 802.11x standard while the card terminal 105 is connected (and / or connected) to an IEEE 802.16x based wireless communication network. And / or a protocol stack structure for bridging a terminal 100 connected to a short range wireless communication channel including at least one UWB to the IEEE 802.16x based wireless communication network through the logical bridge function layer. The packet to be transmitted from the short range wireless terminal 100 to a server (and / or terminal 100) on an IEEE 802.16x based wireless communication network to which the card terminal 105 is connected (and / or connected) is The short-range wireless terminal 100 is provided in the short-range wireless terminal 100 by repeating a process generated by an application layer included in the short-range wireless terminal 100 and adding predetermined packet information to a lower layer of a next step. A physical layer below the MAC layer of the established protocol stack, and then the packet includes a physical layer provided in the short range wireless terminal 100 and a short range wireless communication side physical layer provided in the card terminal 105. The logical bridge function layer is received through the short-range wireless communication side physical layer provided in the card terminal 105 via the wireless communication channel and provided through the short-range wireless communication side MAC layer and / or network layer provided in the card terminal 105. Flows into.

The logical bridge function layer then bridges the incoming packet to an IEEE 802.16x based wireless communication network to which the card terminal 105 connects (and / or communicates) and / or the card terminal 105. Check if you want to bridge the application for use.

If it is confirmed that the packet is bridged to an IEEE 802.16x based wireless communication network to which the card terminal 105 is connected (and / or connected), the logical bridge function layer converts the packet structure according to an implementation method. After further performing the procedure, the packet is provided to the network layer and the MAC layer of the IEEE 802.16x based wireless network side protocol stack, and the packet is provided in the physical layer and the IEEE 802.16 based protocol layer of the IEEE 802.16x based wireless network side protocol stack. a wireless communication section including a physical layer provided in a network component (eg, a base station (RAS)) on an x-based wireless communication network, a wired communication section connecting a network component and a backbone network on the IEEE 802.16x based wireless communication network; The IEEE via a wired communication interval connecting the server (and / or terminal 100) on the backbone network and the IEEE 802.16x-based wireless communication network It is received by the physical layer (not shown) on the card terminal 105 side of the protocol stack provided in the relay server on the 802.16x based wireless communication network.

Thereafter, the packet is performed by a predetermined upper protocol layer (not shown) via a MAC layer (not shown) on the card terminal 105 side, and the packet is a packet transmission target server provided on a wireless communication network. And / or to the terminal 100.

Accordingly, the relay server may be configured to transmit the TCP / IP (and / or UDP / IP) through the MAC layer (not shown) and the physical layer (not shown) at the server (and / or terminal 100) provided in the relay server. ) Transmits to a physical layer on a protocol stack provided in a packet transmission target server (and / or terminal 100) provided on a wireless communication network.

If the packet is generated in the card terminal 105 and transmitted through the wireless communication network, the destination of the packet is the van server, and / or the packet includes a payment approval request message for electronic payment processing. If so, the relay server transmits the packet to the physical layer on the protocol stack provided in the van server through the van server side MAC layer (not shown) and the physical layer (not shown) provided in the relay server.

Subsequently, the packet received in the physical layer of the packet transmission target server (and / or terminal 100) provided on the wired communication network is provided in the server (and / or terminal 100) on the IEEE 802.16x based wireless communication network. The application layer is provided to an application layer via a MAC layer, a data link layer, a network layer, a transport layer, a session layer, and a presentation layer on a protocol stack, and the application layer performs data processing corresponding to the packet.

In addition, the packet to be transmitted from the server (and / or terminal 100) on the IEEE 802.16x based wireless communication network to which the card terminal 105 is connected (and / or communication connection) to the short-range wireless terminal 100, Generated in the application layer provided in the server (and / or terminal 100) is added to the server (and / or terminal 100) by repeating the process provided to the lower layer of the next step while the predetermined packet information is added After reaching the physical layer of the provided protocol stack, the packet is a wired communication section connecting the server (and / or terminal 100) and the backbone network on the IEEE 802.16x based wireless communication network, the backbone network and the IEEE 802.16 A wired communication section connecting a network component on an x-based wireless communication network and the IEEE 802.16x based wireless provided to the network component (eg, base station (RAS)) and the card terminal 105 on the IEEE 802.16x based wireless communication network. communications network Is received by the physical layer of the protocol stack is introduced into the logical bridge function layer through the short-range wireless communication side MAC layer and / or the network layer included in the card terminal 105.

Thereafter, the logical bridge function layer bridges the incoming packet to the terminal 100 connected to the card terminal 105 and the short range wireless communication channel, and / or an application program provided in the card terminal 105. Make sure you bridge it for use.

If it is confirmed that the packet is bridged to the terminal 100 connected to the card terminal 105 and the short-range wireless communication channel, the logical bridge function layer may further perform the packet structure conversion process according to an implementation method. Thereafter, the packet is provided in the short range wireless terminal 100 through a short range wireless communication channel including a physical layer of the short range wireless communication side protocol stack and a protocol stack provided in the terminal 100. To the physical layer on the network.

Thereafter, the packet is provided to an application layer via a MAC layer, a data link layer, a network layer, a transport layer, a session layer, and a presentation layer on a protocol stack provided in the short-range wireless terminal 100. Perform data processing corresponding to the packet.

Wireless LAN (WLAN) and / or Bluetooth and / or Wi-Fi complying with (or compatible with) the IEEE 802.11x standard while the card terminal 105 is connected (and / or connected) to an IEEE 802.16x based wireless communication network. And / or a protocol stack structure for bridging a terminal 100 connected to a short-range wireless communication channel including at least one UWB to the card terminal 105 through the logical bridge function layer, FIG. The packet to be transmitted from the short range wireless terminal 100 to a server (and / or the terminal 100) on an IEEE 802.16x based wireless communication network to which the card terminal 105 is connected (and / or connected) is the short range wireless. The protocol stack of the short range wireless terminal 100 is repeated by repeating the process of being generated in the application layer provided in the terminal 100 and providing predetermined packet information to the lower layer of the next step. After reaching the physical layer below the MAC layer, the packet includes a short range wireless communication channel including a physical layer provided in the short range wireless terminal 100 and a short range wireless communication side physical layer provided in the card terminal 105. It is received through the short-range wireless communication side physical layer provided in the card terminal 105 through the short-range wireless communication side MAC layer and / or network layer provided in the card terminal 105 flows into the logical bridge functional layer.

The logical bridge function layer then bridges the incoming packet to an IEEE 802.16x based wireless communication network to which the card terminal 105 connects (and / or communicates) and / or the card terminal 105. Check if you want to bridge the application for use.

If it is confirmed that the packet is bridged to the card terminal 105, the logical bridge function layer further performs the packet structure conversion process according to an implementation method, and then transfers the packet to the card terminal 105. The application layer is provided to an application layer through a transport layer, a session layer, and a presentation layer on the protocol stack, and the application layer performs data processing corresponding to the packet.

In addition, the packet to be transmitted from the card terminal 105 to the short-range wireless terminal 100 is generated in the application layer provided in the card terminal 105, and the predetermined packet information is added to the lower layer of the next step. The process is repeated to flow into the logical bridge function layer.

Thereafter, the logical bridge function layer bridges the incoming packet to the terminal 100 to which the card terminal 105 and the short range wireless communication channel are connected, and / or the card terminal 105 connects (and / or Check whether or not to bridge to the IEEE 802.16x based wireless communication network.

If it is confirmed that the packet is bridged to the terminal 100 connected to the card terminal 105 and the short-range wireless communication channel, the logical bridge function layer may further perform the packet structure conversion process according to an implementation method. Thereafter, the packet is provided in the short range wireless terminal 100 through a short range wireless communication channel including a physical layer of the short range wireless communication side protocol stack and a protocol stack provided in the terminal 100. Received to the physical layer on the stack.

Thereafter, the packet is provided to an application layer via a MAC layer, a data link layer, a network layer, a transport layer, a session layer, and a presentation layer on a protocol stack provided in the short-range wireless terminal 100. Perform data processing corresponding to the packet.

FIG. 13 illustrates a process of loading a logical bridge function layer that provides a bridge function of a communication protocol stack to a card terminal 105 according to another embodiment of the present invention.

More specifically, FIG. 13 is provided with a bridge function of the communication protocol stack according to the present invention (eg, including a logical bridge function layer) during the system booting process in the card terminal 105 shown in FIG. As shown in FIG. 13, a preferred embodiment of driving a protocol processing routine to be loaded into the control unit 205 provided in the card terminal 105 is provided. While various implementations may be inferred by referring and / or modifying the card terminal 105 to load a logical bridge function layer that provides a bridge function of a communication protocol stack, the present invention encompasses all inferred implementation methods. The present invention is not limited to the implementation method shown in FIG.

For example, those skilled in the art to which the present invention pertains may refer to and / or modify this drawing 13 to integrate a predetermined communication protocol stack after the card terminal 105 shown in FIG. 10 is system booted. A method of loading a protocol processing routine (eg, including a logical bridge function layer) equipped with a bridge function of the communication protocol stack according to the present invention to the control unit 205 provided in the card terminal 105 via a processing command. It may be inferred that, but the present invention includes all the implementation method inferred above, and is not limited to the implementation method shown in FIG.

Referring to FIG. 13, while a predetermined power is supplied to the card terminal 105 to perform a system booting procedure (1300), the card terminal 105 establishes a logical bridge function layer according to the present invention during the system booting. A protocol processing routine, which is included, is loaded into the controller 205 (1305).

Thereafter, the card terminal 105 extracts communication parameter information corresponding to a predetermined wireless communication network from the memory unit 250 (1310) and includes it in the loaded protocol processing routine based on the extracted communication parameter information. A connection (and / or communication connection) to the wireless communication network is attempted through the logical bridge function layer (1315).

If the connection (and / or communication connection) attempt to the communication network is successful (1320), the card terminal 105 is at least one local area communication terminal 100 (e.g., local area wireless terminal 100, local area optical terminal). (100) Periodically checks whether the short-range wired terminal 100 and the like and at least one short-range communication channel (eg, short-range wireless communication channel, short-range optical communication channel, short-range wired communication channel, etc.) are connected (1325). .

If at least one local area communication terminal 100 and at least one local area communication channel are not connected (1330), the card terminal 105 performs a predetermined electronic payment processing function provided in the card terminal 105. Check whether or not (1335).

According to an exemplary embodiment of the present invention, the electronic payment processing function provided in the card terminal 105 may allow the user of the card terminal 105 to input the electronic payment processing execution command, thereby allowing the electronic terminal to accept the electronic payment. It is preferred that the treatment procedure be initiated.

According to another exemplary embodiment of the present invention, the electronic payment processing function provided in the card terminal 105 may include a predetermined customer-owned card (eg, an MS card provided with at least one or more payment means, and / or a contact IC card). It is preferable to start by reading predetermined card information (and / or payment means information) from the and / or contactless IC card through the card reader provided in the card terminal 105.

If a predetermined electronic payment processing function is not performed in the card terminal 105 (for example, at least one local area communication terminal 100 and the local area communication channel are not connected, and the electronic device provided in the card terminal 105 is provided). If the payment processing function is also not performed) (1340), the card terminal 105 checks whether at least one short-range communication terminal 100 and the short-range communication channel is also connected and the electronic payment provided in the card terminal 105 The process of confirming that the processing function is performed is periodically repeated.

If a predetermined electronic payment processing function is performed in the card terminal 105 (1340), the card terminal 105 performs the electronic payment processing procedure and whether a predetermined packet corresponding to the electronic payment processing is generated. Check whether or not (1345).

According to an exemplary embodiment of the present invention, a predetermined packet corresponding to the electronic payment processing may transmit a payment approval request message generated by the card terminal 105 for the electronic payment processing through a payment communication network including the wireless communication network. It is preferable to include a communication packet transmitted to the predetermined payment server via the van.

According to another exemplary embodiment of the present invention, when the card terminal 105 provides an electronic payment processing function of a shadow account method (for example, payment processing is performed in the card terminal 105, such as a prepaid card payment). Is provided in an offline state, and the electronic payment processing function is provided in which the payment processing result is periodically transmitted through a van to a predetermined payment server through a payment communication network including the wireless communication network). In the process of performing a predetermined packet may not be generated, thereby the present invention is not limited.

If a packet corresponding to the electronic payment processing is not generated until all of the electronic payment processing function processing procedures are performed (1350), the card terminal 105 completes the execution of the electronic payment processing procedure (1355). The process of checking whether at least one local area communication terminal 100 and the local area communication channel are also connected and repeating the process of confirming that the electronic payment processing function provided in the card terminal 105 is performed are periodically repeated.

If a packet corresponding to the electronic payment processing is generated until all of the electronic payment processing procedures are performed (1350), the card terminal 105 is generated in response to the electronic payment processing through the logical bridge function layer. Waiting for the packet to process the bridge function of the protocol stack according to the present invention (1360), the bridge function of the protocol stack according to the present invention is initiated by entering the packet into a logical bridge function layer on the protocol stack. A preferred bridging process for a packet generated corresponding to the electronic payment process will be described in detail with reference to FIG. 15 shown below.

On the other hand, if it is confirmed that at least one local area communication terminal 100 and at least one local area communication channel are connected to the card terminal 105 (1330), the card terminal 105 provides a bridge function of the protocol stack according to the present invention. In order to perform the address allocation procedure for the local area communication terminal 100 to which the local area communication channel is connected (1365).

According to an exemplary embodiment of the present invention, the address assignment procedure for the short-range communication terminal 100 may be configured to directly allocate a predetermined address obtained corresponding to the address processing information in the terminal 100 to which the short-range communication channel is connected. It is preferred to include the procedure.

According to another exemplary embodiment of the present invention, the address assignment procedure for the local area communication terminal 100 logically stores a predetermined address obtained in correspondence with the address processing information to the terminal 100 to which the local area communication channel is connected. It is desirable to include a procedure for assigning.

If the address allocation to the local area communication terminal 100 is completed (1370), the card terminal 105 of the protocol stack according to the present invention for the packet transmitted and received over the local area communication channel through the logical bridge function layer Waiting for bridge function processing (1375), the bridge function of the protocol stack according to the present invention is initiated by entering the packet into a logical bridge function layer on the protocol stack, which is preferred for packets sent and received on the local area communication channel. The bridge process will be described in detail with reference to FIGS. 14A and 14B shown below.

14A and 14B illustrate an operation of a card terminal 105 that provides a bridge function for a packet transmitted / received through a short-range communication channel connected to the card terminal 105 through a logical bridge function layer according to another exemplary embodiment of the present invention. Figure is a diagram.

In more detail, FIGS. 14A and 14B show a logical bridge function layer providing a bridge function of a protocol stack according to the present invention through a process as shown in FIG. 13 to the card terminal 105 shown in FIG. FIG. 14A illustrates a preferred method for providing a bridge function of a protocol stack according to the present invention with respect to a packet transmitted and received through at least one short-range communication channel connected to the card terminal 105. Specifically, FIG. An embodiment of the present invention relates to a method for bridging a packet introduced into the logical bridge function layer through a channel on a protocol stack to a wireless communication network to which the card terminal 105 is connected (and / or communication connected), and FIG. 14A illustrates the wireless communication network. Write the packet introduced into the logical bridge function layer through the card terminal 105 through Of one or more short-range communication channel is for the exemplary method for the bridge on the protocol stack to the short-range communication channel that should receive the packet.

Those skilled in the art to which the present invention pertains can refer to and / or modify the drawings 14a and 14b to transmit / receive packets to and from the short-range communication channel connected to the card terminal 105 through the logical bridge function layer. Various implementation methods for providing a bridge function may be inferred, but the present invention includes all the implementation methods inferred above, and is not limited to the implementation methods shown in FIGS. 14A and 14B.

Referring to FIG. 14A, when a logical bridge function layer providing a bridge function of a protocol stack according to the present invention is loaded into the card terminal 105 through the process as shown in FIG. 13, the card terminal 105 is connected to the near field. It is checked whether a predetermined packet is received from the short range communication terminal 100 through the communication side physical layer and the MAC layer and flows into the logical bridge function layer (1400a).

If the packet received from the local area communication terminal 100 flows into the logical bridge function layer (1405a), the card terminal 105 includes at least one packet included in the incoming packet through the logical bridge function layer. By reading information (e.g., packet identifier, and / or packet sender address, and / or packet receiver address, etc.), the card terminal 105 connects (and / or packets) to the logical bridge function layer. It is checked whether or not to bridge to a wireless communication network (1410a).

If a packet introduced into the logical bridge function layer is not bridged to the wireless communication network on a protocol stack (1415a), the card terminal 105 passes the packet through the logical bridge function layer to an upper protocol layer ( For example, the card terminal 105 receives the packet and provides it to an application program (and / or protocol layer corresponding to the electronic payment processing terminal 100 program) to be processed (1420a), whereby the packet is The card terminal 105 is provided to an application program (and / or an electronic payment processing terminal 100 program) to receive and process the packet, and then the card terminal 105 (for example, an application to receive and process the packet). The program (and / or terminal 100 program for electronic payment processing) performs a predetermined data processing procedure for the data included in the packet (1425). a).

According to an embodiment of the present invention, the data included in the packet may include data for requesting the short-range communication terminal 100 to connect a predetermined short-range communication channel to the card terminal 105. In this case, An application program (and / or an electronic payment processing terminal 100 program) that receives the packet performs a data processing procedure for connecting the short range communication terminal 100 with a predetermined short range communication channel.

In addition, the data contained in the packet is transmitted to a wireless communication network to which the near field communication terminal 100 connected to the near field communication channel is connected (and / or communicated) to the card terminal 105 through the card terminal 105. It may include data requesting an address assignment for connection (and / or communication connection), in this case, the application program (and / or electronic payment processing terminal 100 program) receiving the packet is the local area communication terminal Perform a data processing procedure for address allocation requested from 100.

In addition, the data included in the packet may include data for requesting a predetermined payment processing from the near field communication terminal 100 connected to the near field communication channel to the card terminal 105, in which case the packet is received. An application program (and / or terminal 100 program for electronic payment processing) performs a data processing procedure corresponding to the payment processing process requested from the short-range communication terminal 100.

In addition, the data contained in the packet may include data for requesting a predetermined order request and / or incentives provided to the card terminal 105 by the short-range communication terminal 100 is connected to the short-range communication channel, In the case of receiving the packet, the application program (and / or the electronic payment processing terminal 100 program) performs a data processing procedure corresponding to the order request and / or incentive providing request requested from the short-range communication terminal 100. .

On the other hand, if a packet introduced into the logical bridge functional layer is bridged to the wireless communication network on a protocol stack (1415a), the card terminal 105 checks whether or not to convert the packet structure for the bridge target packet through the logical bridge functional layer. (1430a).

If the check result indicates that the packet structure of the bridge target packet needs to be converted (1435a), the card terminal 105 converts the bridge target packet into a packet structure that can be transmitted to the wireless communication network through the logical bridge function layer. (1440a).

On the other hand, if it is determined that the packet structure of the bridge target packet is not converted (1435a), and / or the bridge target packet is converted into a packet structure that can be transmitted to the wireless communication network (1440a), the card terminal ( 105 provides the packet on the protocol stack by providing the packet to the wireless network side MAC layer and the physical layer to which the card terminal 105 connects (and / or communicates) through the logical bridge function layer (1445a). Bridge and transmit to the wireless communication network.

Thereafter, the wireless communication network is transmitted from the packet transmitted from the card terminal 105 (for example, the short-range communication terminal 100 connected to the short-range communication channel with the card terminal 105 and is connected to the protocol stack of the card terminal 105). A packet transmitted to a wireless communication network through a bridge function to a predetermined relay server (1450a), and then the relay server relays the received packet to the van server, and / or a predetermined transmission target server ( And / or confirming transmission to the terminal 100, wherein the relay server confirms that the received packet is received from the near field communication terminal 100 to which the card terminal 105 and a predetermined near field communication channel are connected.

Accordingly, the relay server relays the received packet to the packet transmission target server (and / or terminal 100) (1455a), and the server (and / or terminal 100) that receives the packet transmits the packet. After performing an information processing function corresponding to the packet and generating a predetermined packet including the information processing result (1460a), the packet generated including the information processing result is transmitted through the wireless communication network and the relay server. The card terminal 105, which transmits the packet to the terminal 105 (1465a), receives the packet and provides the packet to the local area communication terminal 100 through a bridge function of the protocol stack as shown in FIG. do.

Referring to FIG. 14B, when the logical bridge function layer providing the bridge function of the protocol stack according to the present invention is loaded into the card terminal 105 through the process as shown in FIG. 13, the card terminal 105 is connected to the wireless terminal. It is checked whether a predetermined packet is received from the server (and / or the terminal 100) on the wireless communication network through the communication network side physical layer and the MAC layer and flows into the logical bridge functional layer (1400b).

If the packet received from the local area communication terminal 100 flows into the logical bridge function layer (1405b), the card terminal 105 includes at least one packet included in the incoming packet through the logical bridge function layer. By reading the information (e.g., packet identifier, and / or packet sender address, and / or packet receiver address, etc.), a packet introduced into the logical bridge function layer is transferred to a short range communication channel connected to the card terminal 105. It is checked whether or not to bridge (1410b).

If the packet flowing into the logical bridge function layer is not bridged to the local area communication channel on the protocol stack (1415b), the card terminal 105 passes the packet through the logical bridge function layer to a higher protocol layer of the protocol stack. (E.g., a protocol layer corresponding to an application program (and / or an electronic payment processing terminal 100 program) to receive and process the packet at the card terminal 105) (1420b), whereby the packet is The card terminal 105 is provided to an application program (and / or an electronic payment processing terminal 100 program) to receive and process the packet, and then the card terminal 105 (e.g., receive the packet). The application program to be executed (and / or the terminal 100 program for electronic payment processing) performs a predetermined data processing procedure for the data included in the packet (1 425b).

According to an embodiment of the present invention, the data contained in the packet is transmitted from the card terminal 105 to the payment server via the van via the wireless communication network to perform the electronic payment processing shown in FIG. It is preferable to include a payment approval full text corresponding to the approval request full text, the card terminal 105 receiving the payment approval full text is provided in the card terminal 105 with the payment approval result data included in the payment approval full text. Perform a data processing procedure of outputting to a screen output device and / or printing and printing on a predetermined receipt.

On the other hand, if a packet introduced to the logical bridge functional layer is bridged to the short-range communication channel on the protocol stack (1415b), the card terminal 105 stores at least one packet information (including information) included in the packet through the logical bridge functional layer. A predetermined short range to receive and process the packet among at least one short-range communication channel connected to the card terminal 105, for example, by reading a packet identifier, and / or a packet sender address, and / or a packet receiver address. Check the communication channel (1430b).

Thereafter, the card terminal 105 determines whether to convert the packet structure of the bridge target packet into a packet structure that can be transmitted to the short-range communication channel through the logical bridge function layer (1435b).

If it is determined that the packet structure of the bridge target packet needs to be converted (1440b), the card terminal 105 converts the bridge target packet into a packet structure capable of transmitting the bridge target packet to the local area communication channel through the logical bridge function layer. (1445b).

On the other hand, if it is determined that the packet structure of the bridge target packet is not converted (1440b), and / or the bridge target packet is converted into a packet structure that can be transmitted to the local area communication channel (1445b), the card terminal ( 105 provides the packet to the protocol stack by providing the packet to the short-range communication channel side MAC layer and the physical layer to which the card terminal 105 connects (and / or communicates) through the logical bridge function layer (1450b). It bridges over and transmits to the short range communication channel.

FIG. 15 is a diagram illustrating an operation of a card terminal 105 that provides a bridge function for a packet generated by the card terminal 105 through a logical bridge function layer according to another embodiment of the present invention.

In more detail, FIG. 15 illustrates that the card terminal 105 shown in FIG. 10 is loaded with a logical bridge function layer that provides a bridge function of a protocol stack according to the present invention through a process as shown in FIG. A preferred embodiment of the present invention provides a bridge function of a protocol stack according to the present invention for a packet generated while performing a predetermined electronic payment processing function (and / or a unique function of the card terminal 105) provided in the terminal 105. As illustrated, those of ordinary skill in the art to which the present invention pertains may refer to and / or modify this figure 15 to transmit / receive packets to and from a short-range communication channel connected to a card terminal 105 through the logical bridge function layer. It will be possible to infer various implementation methods that provide a bridge function for, but the present invention includes all implementation methods inferred, It is not limited to the exemplary method shown in figure 15.

Referring to FIG. 15, when a logical bridge function layer providing a bridge function of a protocol stack according to the present invention is loaded into the card terminal 105 through the same process as that of FIG. 13, the card terminal 105 is connected to the card. In operation 1500, a packet generated corresponding to a predetermined electronic payment processing function (and / or a unique function of the card terminal 105) included in the terminal 105 flows into the logical bridge function layer.

If a packet generated corresponding to a predetermined electronic payment processing function (and / or a unique function of the card terminal 105) included in the card terminal 105 flows into the logical bridge function layer (1505), the card terminal 105 reads at least one or more packet information (eg, packet identifier, and / or packet sender address, and / or packet receiver address, etc.) included in the incoming packet via the logical bridge function layer; In operation 1510, it is determined whether the packet introduced into the logical bridge function layer is bridged into the short-range communication channel connected to the card terminal 105.

According to the embodiment of the present invention, the packet generated corresponding to the electronic payment processing function includes a full payment approval request to be transmitted from the card terminal 105 to a predetermined payment server through the wireless communication network and the van server. desirable.

If the packet flowing into the logical bridge function layer is not bridged to the short-range communication channel on the protocol stack (1515), the card terminal 105 passes the packet through the logical bridge function layer to the card terminal 105. By providing (1520) to the MAC layer and the physical layer on the wireless network side connected (and / or communication connection), the packet is bridged on the protocol stack and transmitted to the wireless network.

According to an embodiment of the present invention, the packet transmitted to the wireless communication network side MAC layer and the physical layer and transmitted to the wireless communication network is transmitted from the card terminal 105 to the predetermined payment server via the wireless communication network and the van server. It is desirable to include the full request for approval.

Thereafter, the wireless communication network transmits the packet transmitted from the card terminal 105 (for example, a packet generated corresponding to the electronic payment process) to a predetermined relay server (1525), and the relay server then receives the received packet. Whether or not to relay to the van server and / or to a predetermined transmission target server (and / or terminal 100), wherein the relay server transmits the received packet to the electronic payment process. Confirm with

Accordingly, the relay server relays the received packet to the van server (1530), and the van server receiving the packet transmits the packet (and / or full payment approval request) to the payment server (1535). ), The payment server receiving the packet (and / or payment approval request full text) performs an electronic payment processing procedure corresponding to the payment approval request text included in the packet, and a packet corresponding to the result of the electronic payment processing (for example, After generating a packet containing a payment approval message) (1540), and transmits the packet generated corresponding to the electronic payment processing result to the card terminal 105 via the wireless communication network via the van server (1545) Upon receiving the packet, the card terminal 105 completes the electronic payment processing procedure through the bridge function of the protocol stack as shown in FIG. 14B.

On the other hand, if a packet introduced to the logical bridge functional layer is bridged to the short-range communication channel on a protocol stack (1515), the card terminal 105 includes the card terminal 105 in the packet through the logical bridge functional layer. The at least one packet of at least one short-range communication channel connected to the card terminal 105 by reading at least one packet information (e.g., packet identifier, and / or packet sender address, and / or packet receiver address). In step 1550, a predetermined short range communication channel to receive is processed.

According to the exemplary embodiment of the present invention, the packet to be bridged and transmitted to the local area communication channel includes a response (and / or a local area channel connection result) to the local area communication channel connection request requested from the local area communication terminal 100. Preferably, the short-range communication terminal 100 receiving the packet is for connecting (and / or communication connection) to a wireless communication network to which the card terminal 105 is connected (and / or communication connection) through the short-range communication channel. Further performing an address assignment procedure and / or using a bridge function of a protocol stack provided in the card terminal 105 through the near field communication channel to which the card terminal 105 connects (and / or communicates). A predetermined communication channel may be connected to at least one server (and / or terminal 100) provided on a wireless communication network.

In addition, a packet to be bridged and transmitted to the short range communication channel is connected to the short distance communication terminal 100 to which the short distance communication terminal 100 is connected (and / or communication connection) through the card terminal 105 through the card terminal 105. And a response (and / or address assignment information, and / or address assignment result) corresponding to the address assignment request requested to access (and / or communicate with) the wireless communication network. The short-range communication terminal 100 uses a bridge function of a protocol stack provided in the card terminal 105 through the short-range communication channel on a wireless communication network to which the card terminal 105 is connected (and / or communication-connected). A predetermined communication channel may be connected to at least one server (and / or terminal 100) provided.

In addition, the packet to be bridged to the short-range communication channel to be transmitted includes a response (and / or payment processing result) to the payment processing request requested by the short-range communication terminal 100 connected to the short-range communication channel to the card terminal 105. It is preferable to make it.

In addition, a packet to be bridged and transmitted to the short-range communication channel is a response to the request for request and / or incentive provided by the short-range communication terminal 100 connected to the short-range communication channel to the card terminal 105 (eg, an order processing result). , And / or incentive providing information, and / or incentive providing result).

Thereafter, the card terminal 105 determines whether to convert the packet structure for the bridge target packet into a packet structure that can be transmitted to the local area communication channel through the logical bridge function layer (1555).

If it is determined that the packet structure of the bridge target packet needs to be converted (1560), the card terminal 105 converts the bridge target packet into a packet structure capable of transmitting the bridge target packet to the local area communication channel through the logical bridge function layer. (1565).

On the other hand, if it is determined that the packet structure of the bridge target packet is not converted (1560), and / or the bridge target packet is converted into a packet structure that can be transmitted through the local area communication channel (1565), the card terminal 105 provides the packet through the logical bridge function layer to the MAC layer and the physical layer on the local communication channel side to which the card terminal 105 connects (and / or communicates) (1570). Bridge on the stack and transmit on the short range communication channel.

16 is a diagram showing a process of loading a program for providing a bridge function of a communication protocol stack in a card terminal 105 according to a preferred embodiment of the present invention.

In more detail, Fig. 16 shows a predetermined program corresponding to the bridge function of the communication protocol stack according to the present invention by connecting to a predetermined ESD server through the communication network currently connected by the card terminal 105 connected to the predetermined communication network. By downloading and mounting, the process of having a bridge function of the communication protocol stack as shown in Figure 2 to connect to the network configuration as shown in Figure 1, having a common knowledge in the art In this case, various implementation methods for a program loading process for providing a bridge function of a communication protocol stack to the card terminal 105 may be inferred by referring to and / or modifying the present invention. It includes all the implementation methods, and is not limited to the implementation method shown in FIG.

In the following figure, the ESD server is referred to as " server " for convenience, and the card terminal 105 is referred to as " terminal " for convenience.

Referring to FIG. 16, the terminal accesses the server through a currently connected communication network, connects a predetermined communication channel, and performs a membership registration and / or login procedure with the server (1600). In order to download and mount a predetermined program corresponding to the bridge function of the communication protocol stack, the server requests a network-based program to be loaded (1605), and correspondingly, the server inputs and provides predetermined terminal information to the terminal. The terminal provides a terminal information providing interface (1610), and the terminal inputs (or selects or extracts from the memory unit) the terminal information through the terminal information providing interface and provides the terminal to the server through the communication network (1615). ).

Here, the terminal information includes at least one device model information and / or operating system information for the terminal.

According to another exemplary embodiment of the present invention, the server does not provide the terminal information providing interface to the terminal, and a network operating apparatus (eg, the CDMA-based mobile terminal is a mobile communication terminal) on the communication network to which the terminal is currently connected. When connected to a communication network, it is possible to extract terminal information corresponding to the terminal from at least one or more of the HLR / VLR (Home Location Register / Visitor Location Register) provided in the mobile communication network. It is not limited.

When the terminal information is obtained as described above, the server reads the terminal information and checks whether the program corresponding to the bridge function of the communication protocol stack can be downloaded and mounted to the terminal through the communication network (1620).

According to an embodiment of the present invention, in order to download and mount a program corresponding to a bridge function of a communication protocol stack to the terminal, the terminal may be software-connected to connect to at least two communication networks through the bridge function of the communication protocol stack. A controlled communication module (for example, in the case of a wireless communication module, should be provided with a software module for controlling frequency bands and / or for controlling a part of a communication protocol layer), the server may include the terminal information. It is preferable to confirm whether the program corresponding to the bridge function of the communication protocol stack can be downloaded and mounted to the terminal by checking the device model information from the terminal.

Also, in order to download and mount a program corresponding to a bridge function of a communication protocol stack to the terminal, the terminal may be operated on an operating system corresponding to the terminal on the server (or a predetermined database associated with the server). A predetermined program should be provided. It is preferable that the server checks the operating system information from the terminal information to check whether the program corresponding to the bridge function of the communication protocol stack can be downloaded and loaded into the terminal.

If the check result indicates that the program corresponding to the bridge function of the communication protocol stack cannot be downloaded and mounted to the terminal (1625), the server generates predetermined program loading error information and transmits it to the terminal through the communication network. In step 1630, the process of downloading and loading the program corresponding to the bridge function of the communication protocol stack to the terminal is terminated.

On the other hand, if it is determined that the program corresponding to the bridge function of the communication protocol stack can be downloaded and mounted to the terminal (1625), the server downloads a predetermined program file designed to provide the bridge function of the communication protocol stack to the terminal. Extraction (eg, extracting from a database in which the terminal information and a program file are cooperatively processed and stored) (1635), and transmitting the extracted program file to the terminal through the communication channel (1640).

The terminal receiving the program file drives the program file to back up a program file corresponding to a protocol layer that is pre-installed and operated in the terminal (eg, connecting a communication channel between the terminal and the server). (1645).

According to an embodiment of the present invention, a method of backing up a program file corresponding to a protocol layer already installed and operating in the terminal, wherein the driven program file disconnects the communication channel between the terminal and the server, It is preferable that the terminal comprises releasing the network connection to the currently connected communication network, terminating the program corresponding to the protocol layer already installed and operating in the terminal, and then changing the name of the terminated program file. Do.

Thereafter, the terminal processes the protocol layer program corresponding to the driven program file as the backed up file (for example, a protocol layer program file previously installed and operated in the terminal) and installs it in the terminal (1650).

If the new protocol layer program installation procedure is completed (1655), the terminal performs a system reboot procedure for updating the protocol layer by the driven program file (1660).

According to another exemplary embodiment of the present invention, when the terminal can update the program without system rebooting, the system rebooting procedure may be omitted, and the present invention is not limited thereto.

According to the present invention, a logical terminal function layer providing a bridge function of the protocol stack is provided in a card terminal located at an affiliated store having a function of connecting to at least one wireless communication network and at least one local area communication function. The card terminal performs the electronic payment function provided in the card terminal using the wireless communication network as a value-added communication network, while at least one local area communication terminal located at the affiliate store is connected to the wireless communication network in real time (and / or communication connection). This has the advantage of performing a gateway function.

Claims (7)

A near field communication unit for connecting a predetermined communication terminal with at least one short range communication A communication processing unit for connecting to at least one wireless communication network, In the card terminal for processing a predetermined electronic payment through the communication processing unit, When a predetermined packet is transmitted from the communication terminal through the connected local area communication channel and received in the physical layer of the protocol stack corresponding to the local area communication unit, the received packet information is read and the packet is corresponded to the communication processing unit. A bridge confirming unit for checking whether to bridge to a protocol stack to perform a check, and if the packet is bridged to a protocol stack corresponding to a communication processing unit, whether the packet is a packet for payment processing or a packet for general data communication; If the packet is a packet for payment processing, the packet is converted into a packet structure transmitted to a payment processing server provided on the wireless communication network (and / or a communication network interworking with the wireless communication network) through a communication processing unit. A protocol for converting a packet structure transmitted to a predetermined server (and / or terminal) provided on the wireless communication network (and / or a communication network interworking with the wireless communication network) through the communication processing unit if the packet is for general data communication. A conversion unit; And And a bridge function unit for bridging the converted packet to a protocol stack corresponding to the communication processor. The communication processing unit, The card terminal having a wireless communication gateway function, characterized in that for transmitting the bridged packet to the wireless communication network. The method of claim 1, The bridge check unit, When a predetermined packet is received from the wireless communication network to the physical layer of the protocol stack corresponding to the communication processing unit, the received packet information is read to determine whether to bridge the packet to the protocol stack corresponding to the local area communication unit. , As a result of confirming the bridge confirmation unit, when the packet is bridged to a protocol stack corresponding to the local area communication unit, the protocol conversion unit may include: Converting a packet received by a protocol stack corresponding to the communication processor into a packet structure corresponding to a protocol stack corresponding to the short range communication unit, The bridge function unit, Bridge the converted packet to a protocol stack corresponding to the local area communication unit, The short-range communication unit, Card terminal having a wireless communication gateway function, characterized in that for transmitting the bridged packet to the communication terminal. The method of claim 1, wherein the protocol conversion unit, If the packet is a packet for payment processing, And encrypting the packet with a security protocol corresponding to the wireless communication network, such as the Secure Sockets Layer (SSL) and / or Wireless Transport Layer Security (WTLS) and / or Authentication, Authorization and Accounting (AAA). A card terminal having a wireless communication gateway function. The method of claim 1, And an address processing unit for allocating a predetermined address for accessing a wireless communication network to a communication terminal connected to a channel through the local area communication unit. The method of claim 1, wherein the bridge function unit, When the packet received in the physical layer of the protocol stack corresponding to the local area communication unit flows into the data link layer (and / or media access control layer), Bridge the packet to a datalink layer (and / or medium access control layer) of a protocol stack corresponding to the communication processor, and / or on a protocol stack corresponding to the local area communication protocol on a protocol stack corresponding to the communication processor. Bridge to a protocol layer compatible with the datalink layer (and / or medium access control layer), When a packet received in the physical layer of the protocol stack corresponding to the local area communication unit flows into the network layer, Bridging the packet to a network layer of a protocol stack corresponding to the communication processing unit, and / or to a protocol layer compatible with a network layer of a protocol stack corresponding to the local area communication unit on a protocol stack corresponding to the communication processing unit. Features, When a packet received in the physical layer of the protocol stack corresponding to the local area communication unit flows into the transport layer, Bridging the packet to a transport layer of a protocol stack corresponding to the communication processor, and / or on a protocol stack corresponding to the communication processor, to a protocol layer compatible with the transport layer of a protocol stack corresponding to the local area communication unit. Features, When a packet received in the physical layer of the protocol stack corresponding to the local area communication unit flows into the session layer, Bridging the packet to a session layer of a protocol stack corresponding to the communication processor, and / or to a protocol layer compatible with a session layer of a protocol stack corresponding to the local area communication protocol on a protocol stack corresponding to the communication processor. Characterized in that, When a packet received in the physical layer of the protocol stack corresponding to the local area communication unit flows into the presentation layer, Bridge the packet to a presentation layer of a protocol stack corresponding to the communication processor, and / or to a protocol layer compatible with the presentation layer of a protocol stack corresponding to the local area communication protocol, on a protocol stack corresponding to the communication processor. Card terminal having a wireless communication gateway function, characterized in that. The method of claim 2, wherein the bridge function unit, When a packet received in the physical layer of the protocol stack corresponding to the communication processing unit flows into the data link layer (and / or medium access control layer), Bridge the packet to a datalink layer (and / or a medium access control layer) of a protocol stack corresponding to the local area communication unit, and / or Bridge on a protocol stack corresponding to the local area communication unit to a protocol layer compatible with the data link layer (and / or medium access control layer) of the protocol stack corresponding to the communication processing unit; When a packet received in the physical layer of the protocol stack corresponding to the communication processor flows into the network layer, Bridging the packet to a network layer of a protocol stack corresponding to the local area communication unit, and / or to a protocol layer compatible with a network layer of a protocol stack corresponding to the communication processing unit on a protocol stack corresponding to the local area communication unit. Features, When a packet received in the physical layer of the protocol stack corresponding to the communication processor flows into the transport layer, Bridging the packet to a transport layer of a protocol stack corresponding to the local area communication unit, and / or to a protocol layer compatible with a transport layer of a protocol stack corresponding to the communication processing unit on a protocol stack corresponding to a pre-local area communication unit. Features, When a packet received in the physical layer of the protocol stack corresponding to the communication processor flows into the session layer, Bridging the packet to a session layer of a protocol stack corresponding to the local area communication unit, and / or to a protocol layer compatible with the session layer of a protocol stack corresponding to the communication processing unit on a protocol stack corresponding to the local area communication unit. Features, When a packet received in the physical layer of the protocol stack corresponding to the communication processor flows into the presentation layer, Bridge the packet to a presentation layer of a protocol stack corresponding to the local area communication unit, and / or to a protocol layer compatible with the presentation layer of a protocol stack corresponding to the communication processing unit on a protocol stack corresponding to the local area communication unit. Card terminal having a wireless communication gateway function, characterized in that. A computer-readable recording medium having recorded thereon a program for executing a function of a terminal device component according to any one of claims 1 to 6.

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