KR100704193B1 - Card terminals with function of virtual wireless lan access point by using wireless communication network and recording medium - Google Patents

Abstract

The present invention relates to a card terminal having a virtual WLAN access point function using a wireless communication network and a recording medium therefor, wherein the card terminal comprises: a WLAN communication unit for connecting WLAN communication and at least one wireless communication network; And a communication processor for accessing the mobile station, processing a predetermined electronic payment through the communication processor, and transmitting a predetermined packet from a terminal connected through the WLAN communication unit to correspond to the WLAN communication unit. When received, the received packet information is read to confirm 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 processed. Whether the packet is for a wireless LAN connection And if the packet is a packet for payment processing, the packet is transmitted to a payment processing server provided on the wireless communication network (and / or a communication network interworking with the wireless communication network) through the communication processing unit. A predetermined packet provided on the wireless communication network (and / or a communication network interworking with the wireless communication network) through the communication processor, the packet corresponding to at least one WLAN communication standard, if converted into a packet structure and the packet is for wireless LAN connection; And a bridge function unit for converting the packet into a packet structure transmitted to a server (and / or terminal) of the server, and a bridge function unit for bridging the converted packet to a protocol stack corresponding to the communication processor.

Wireless network, virtual, wireless LAN, access point, card terminal

Description

Card terminal with function of virtual wireless LAN access point by using wireless communication network and recording medium}

1 is a diagram illustrating a network connection configuration of a card terminal performing a virtual WLAN AP function through a bridge function of a communication protocol stack according to an embodiment of the present invention.

2 is a diagram illustrating a preferred functional configuration of a card terminal performing a virtual WLAN AP function through 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 WLAN 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 in a card terminal according to one embodiment of the present invention.

7A and 7B illustrate an operation of a card terminal providing a bridge function for a packet transmitted and received through a wireless LAN 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 illustrate a network connection configuration of a card terminal performing a virtual WLAN AP function through a bridge function of a communication protocol stack according to another exemplary embodiment of the present invention.

FIG. 10 is a diagram illustrating a preferred functional configuration of a card terminal performing a virtual WLAN AP function through a bridge function of a communication protocol stack according to another exemplary 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 WLAN 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 wireless LAN 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: wireless LAN terminal 105: card terminal

110: van server 115: payment server

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: wireless LAN communication unit

255: memory

260: WCDMA / HSDPA communication processing unit

265: IEEE 802.112 communication processing unit

270: IEEE 802.162 communication processing unit

275: bridge function unit 280: protocol conversion unit

285: bridge check unit 290: 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 wireless communication network, and wireless LAN communication means of at least one of wireless LAN communication means and / or wireless LAN communication means, and wireless communication with the wireless LAN communication means A card terminal for bridging 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 is accelerated, the card terminal has a single communication and 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.

An object of the present invention is to provide a wireless LAN communication unit for connecting a wireless LAN communication, and a communication processing unit for connecting to at least one or more wireless communication networks, to process a predetermined electronic payment through the communication processing unit, through the wireless LAN communication unit When a predetermined packet is transmitted from the connected terminal to the physical layer of the protocol stack corresponding to the wireless LAN communication unit, the received packet information is read to determine whether to bridge the packet to the protocol stack corresponding to the communication processing unit. When the packet is bridged to a protocol stack corresponding to the communication processing unit, a bridge checking unit for checking whether the packet is a packet for payment processing or a packet for wireless LAN connection, and the result of the check and the packet payment If the packet is for processing, the packet is transmitted to the wireless communication network (and / or Converts to a packet structure transmitted to a payment processing server provided on the wireless communication network) and, if the packet is for a wireless LAN connection, transmits a packet corresponding to at least one wireless LAN communication standard through the communication processing unit. A protocol conversion unit for converting a packet structure transmitted to a predetermined server (and / or terminal) provided on a wireless communication network (and / or a communication network interoperating with the wireless communication network) and the converted packet to correspond to the communication processing unit. A card terminal having a virtual WLAN connection point function using a wireless communication network having a bridge function for bridging a protocol stack is provided.

A card terminal having a virtual wireless LAN access point function using a wireless communication network according to the present invention includes a wireless LAN communication unit for connecting wireless LAN communication, and a communication processing unit for connecting to at least one wireless communication network, and through the communication processing unit. When a predetermined packet is transmitted from a terminal connected through the wireless LAN communication unit and received in a physical layer of a protocol stack corresponding to the wireless communication unit, the received packet information is read. Check whether the packet is bridged to the protocol stack corresponding to the communication processing unit, and if the packet is bridged to the protocol stack corresponding to the communication processing unit, whether the packet is a packet for payment processing or a packet for wireless LAN connection. A bridge checking unit; 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 predetermined server (and / or a packet corresponding to at least one wireless LAN communication standard) provided on the wireless communication network (and / or a communication network interworking with the wireless communication network) through the communication processor. Or a protocol conversion unit for converting the packet structure transmitted to the terminal); 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.

On the other hand, the card terminal having a virtual wireless LAN access point function using a wireless communication network according to the present invention includes a wireless LAN communication unit for connecting the wireless LAN communication, and a communication processing unit for connecting to at least one wireless communication network, the communication processing 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 through the communication processing unit through the communication processing unit, the received packet information is read and the packet is read. A bridge checking unit for checking whether to bridge the protocol stack corresponding to the WLAN communication unit; As a result of confirming the bridge checking unit, when the packet is bridged to a protocol stack corresponding to the WLAN communication unit, a protocol for converting a packet received by the protocol stack corresponding to the communication processing unit into a packet structure corresponding to the WLAN standard A conversion unit; And a bridge function unit for bridging the converted packet to a protocol stack corresponding to the WLAN communication unit.

Here, the WLAN communication unit is characterized in that for transmitting the bridged packet to the terminal connected to the WLAN communication unit.

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

Further, according to the present invention, when the packet received by the physical layer of the protocol stack corresponding to the wireless LAN communication unit flows into the data link layer (and / or medium access control layer), the bridge function unit is the packet; Bridge the data link layer (and / or medium access control layer) of the protocol stack corresponding to the communication processor, and / or the data link layer of the protocol stack corresponding to the WLAN communication unit on the protocol stack corresponding to the communication processor ( And / or bridged to a protocol layer compatible with a medium access control layer, and when a packet received in a physical layer of a protocol stack corresponding to the WLAN communication unit flows into a network layer, the packet is transmitted to the communication layer. Bridge to the network layer of the protocol stack corresponding to the processing unit, and / Is bridged to a protocol layer compatible with a network layer of a protocol stack corresponding to the WLAN communication unit on a protocol stack corresponding to the communication processor, and received by a physical layer of a protocol stack corresponding to the WLAN communication unit. When a packet flows into the transport layer, bridge the packet to a transport layer of a protocol stack corresponding to the communication processor, and / or transmit a protocol stack corresponding to the WLAN communication unit on a protocol stack corresponding to the communication processor. And a packet received in the physical layer of the protocol stack corresponding to the wireless LAN communication unit when the packet is introduced into the session layer. Session layer And a protocol stack corresponding to the session layer of the protocol stack corresponding to the WLAN communication unit on a protocol stack corresponding to the communication processor, and / or a protocol stack corresponding to the WLAN communication unit. When a packet received at the physical layer of the packet flows into the presentation layer, bridge the packet to the presentation layer of the protocol stack corresponding to the communication processor, and / or the wireless LAN on the protocol stack corresponding to the communication processor Bridge to a protocol layer compatible with the presentation layer of the protocol stack corresponding to the communication unit.

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 Bridge to a data link layer (and / or a medium access control layer) of a protocol stack corresponding to a LAN communication unit, and / or a data link layer of a protocol stack corresponding to the communication processing unit on a protocol stack corresponding to the WLAN communication unit And / or bridging the protocol layer to a protocol layer that is compatible with the medium access control layer. When a packet received in the physical layer of the protocol stack corresponding to the communication processing unit flows into the network layer, the packet is wirelessly transmitted. Bridge to the network layer of the protocol stack corresponding to the LAN communication unit, and / Or a bridge received from a protocol stack corresponding to the WLAN communication unit to a protocol layer compatible with a network layer of a protocol stack corresponding to the communication processor, and received from a physical layer of a protocol stack corresponding to the communication processor. When flowing into this transport layer, bridge the packet to a transport layer of a protocol stack corresponding to the WLAN communication unit, and / or transmit a protocol stack corresponding to the communication processing unit on a protocol stack corresponding to the existing WLAN communication unit. And a packet received in the physical layer of the protocol stack corresponding to the communication processor when the packet is introduced into the session layer. Session layer And / or bridge the protocol stack corresponding to the wireless LAN communication unit to a protocol layer compatible with the session layer of the protocol stack corresponding to the communication processing unit. When a packet received in the physical layer flows into the presentation layer, the packet is bridged to the presentation layer of the protocol stack corresponding to the WLAN communication unit, and / or on the protocol stack corresponding to the WLAN communication unit. Bridge to a protocol layer compatible with the presentation layer of the protocol stack corresponding to the communication processing unit.

On the other hand, the present invention includes a computer-readable recording medium, characterized in that for recording a program for executing the function of the card terminal device component having a virtual wireless LAN access point function using the wireless communication network described above.

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 performing a virtual WLAN AP function through 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 For the network connection configuration of the card terminal 105 performing a virtual WLAN AP function by bridging the card terminal 105 and at least one WLAN terminal 100 in a short distance to the wireless communication network through a bridge function of the card terminal 105. As those skilled in the art to which the present invention pertains, a card terminal 105 having a bridge function of a communication protocol stack may be connected to at least one wireless communication network by referring to and / or modifying the present invention. At least one WLAN terminal 100 located at a short distance from the card terminal 105 in the state of the bridge of the communication protocol stack Through the function would be able to infer a variety of exemplary ways to bridge the wireless communication network, the present invention includes all embodiments in which the inference method, not limited to the exemplary method shown in the figure 1.

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 Is transmitted and received through at least one of an IEEE 802.16x based communication protocol and / or an IEEE 802.11x based communication protocol. It is good.

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 predetermined communication with at least one or more servers (and / or terminals) through the wireless communication network. And a wireless communication means including at least one wireless communication means for connecting a channel, and at least one wireless LAN terminal 100 and at least one wireless device in a short range with the card terminal 105. Characterized in that it comprises a function to communicate via the LAN communication means.

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. At least one server (and / or terminal) provided in the predetermined communication channel is connected.

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) on the wireless communication network to which the card terminal 105 and a predetermined communication channel are connected may be provided to a value added network (VAN) company corresponding to the card terminal 105. It is characterized in that it comprises a predetermined van server 110 provided, whereby 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 WLAN communication means for connecting the card terminal 105 and at least one WLAN terminal 100 in a short distance to a WLAN communication standard may conform to an IEEE 802.11x standard (or Compatible) (e.g., IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, HIPERLAN / 2, etc.) Wireless Local Area Network (WLAN), Bluetooth, WiFi, Ultra Wide Band system It is preferable to include at least one or more of the wireless LAN communication means of the wireless LAN communication means, such as), whereby between the wireless LAN terminal 100 and the card terminal 105 corresponding to the wireless LAN communication means WLAN communication channel is connected.

According to the present invention, a communication channel connected between the card terminal 105 and a server (and / or terminal) provided on a wireless communication network connects the card terminal 105 to the wireless communication network (and / or communication connection). The wireless communication means for connecting and operating through a communication protocol corresponding to the wireless communication means, and also the wireless LAN communication channel for connecting the card terminal 105 and at least one WLAN terminal 100 located in a short distance It is characterized in that the connection and operation via a communication protocol corresponding to the wireless LAN 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 is configured to perform at least one WLAN 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. It is characterized by the bridge.

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

According to another embodiment of the present invention, the bridge function (at least one WLAN communication means and a function of bridging the wireless communication means) of the communication protocol stack provided in the card terminal 105 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 WLAN communication means. The invention is not limited.

According to a preferred embodiment of the present invention, the bridge function (at least one of the wireless LAN 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 at least one protocol layer of the same grade among at least one protocol layer existing on the protocol stack and at least one protocol layer existing on the protocol stack corresponding to the WLAN communication means.

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

According to another embodiment of the present invention, the bridge function (at least one WLAN communication means and a function of bridging 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 at least one protocol layer existing on the protocol stack and at least one protocol layer existing on the protocol stack corresponding to the WLAN communication means, the protocol layers compatible with each other on the protocol layer. .

According to a preferred embodiment of the present invention, the bridge function (at least one WLAN communication means and a function of bridging the wireless communication means) of the communication protocol stack provided in the card terminal 105 is the WLAN communication means. If a packet generated (and / or processed) on a protocol stack corresponding to 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 may be configured. Converting a packet generated (and / or processed) on a protocol stack corresponding to the WLAN communication means into a packet structure processable (or compatible) on a protocol stack corresponding to the wireless communication means, and / or the wireless communication means A packet generated (and / or processed) on a protocol stack corresponding to a protocol corresponding to the WLAN communication means. It is made by a function of converting a processed (or compatible) packet structure on the call stack, further comprising preferred.

According to an embodiment of the present invention, a packet generated (and / or processed) on a protocol stack corresponding to the WLAN 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, a bridge function (at least one WLAN communication means and a function of bridging the wireless communication means) of the communication protocol stack provided in the card terminal 105 is a protocol stack corresponding to the WLAN communication means. Read out the predetermined packet data by reading a packet encapsulating with a packet structure defined in the above, and encapsulate the read packet data into a packet structure defined in a protocol stack corresponding to the wireless communication means, and / or A predetermined packet is read by reading a packet encapsulated in a packet structure defined in a protocol stack corresponding to the wireless communication means. By reading kit data and encapsulating the read packet data into a packet structure defined in a protocol stack corresponding to the WLAN communication means, thereby generating (and / or processing) on a protocol stack corresponding to the WLAN communication means. It is desirable to make the packets compatible with the packets generated (and / or processed) on the protocol stack corresponding to the wireless communication means.

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

According to another exemplary embodiment of the present invention, a packet generated (and / or processed) on a protocol stack corresponding to the WLAN 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, a bridge function (at least one WLAN communication means and a function of bridging the wireless communication means) of the communication protocol stack provided in the card terminal 105 is a protocol corresponding to the WLAN 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 packet structure defined in a stack, and / or Among the packet information included in the packet generated (and / or processed) in the packet structure defined in the protocol stack corresponding to the wireless communication means By removing (or erasing) packet information that is not compatible with the protocol stack corresponding to the WLAN communication means, the packet generated on the protocol stack corresponding to the WLAN communication means (and / or processing) and the wireless communication means are removed. It is desirable to interoperate packets generated (and / or processed) on the corresponding protocol 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 at least one WLAN terminal 100 connected to the card terminal 105 and a predetermined wireless LAN through a bridge function of the communication protocol stack according to the present invention ( And / or a virtual WLAN AP function (for example, a function of allowing the WLAN terminal 100 to recognize the WLAN AP) to perform communication connection.

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. Virtual WLAN AP function to connect (and / or communication connection) to the IEEE 802.16x based wireless communication network at least one WLAN terminal 100 connected to the card terminal 105 and a predetermined WLAN through a function (For example, the function of allowing the WLAN terminal 100 to recognize the WLAN AP).

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. Virtual WLAN AP function (for example, to connect (or communication connection) to at least one WLAN terminal 100 connected to the card terminal 105 via a predetermined WLAN to the IEEE 802.11x-based external wireless communication network) The WLAN terminal 100 to recognize it as a WLAN AP).

According to the exemplary embodiment of the present invention, the card terminal 105 preferably includes at least one affiliated terminal such as a CAT (Credit Authorization Terminal) and / or a Point of Sales (POS) wireless LAN terminal 100. In this case, the merchant terminal is a wireless communication means for connecting to a predetermined wireless communication means (for example, the merchant terminal WCDMA / HSPDA based wireless communication network and / or IEEE 802.16x based wireless communication network and / or IEEE 802.11x based external wireless communication network) Means for connecting (and / or communicating) to a predetermined wireless communication network through at least one wireless LAN network, and at least one wireless LAN terminal 100 and at least one wireless LAN terminal located at a short distance of the affiliated store terminal via at least one wireless LAN communication means. Through the function of connecting a communication channel and the bridge function of the communication protocol stack according to the present invention, the wireless LAN terminal 100 connected to the wireless communication channel is connected. Be made by a function of the merchant terminal is connected to bridge the wireless network (and / or communication connection) is preferred.

According to the exemplary embodiment of the present invention, the WLAN terminal 100 to which the card terminal 105 and a predetermined WLAN communication channel are connected includes a WLAN (WLAN) complying with (or compatible with) the IEEE 802.11x standard, Wireless LAN communication means including at least one of the wireless LAN communication means such as Bluetooth, Wi-Fi, UWB, etc., and the wireless LAN communication means and the predetermined wireless LAN communication standard provided in the card terminal 105 through the wireless LAN communication means It is preferable to include at least one or more client terminals, such as a personal computer (PC) and / or laptop connected to.

In addition, the wireless LAN terminal 100 to which the card terminal 105 and a predetermined wireless LAN communication channel is connected may be connected to (WLAN), Bluetooth, Wi-Fi, UWB, etc. according to the IEEE 802.11x standard. PDA (Personal) having at least one wireless LAN communication means of the same wireless LAN communication means, and connected to the wireless LAN communication means provided in the card terminal 105 by a predetermined wireless LAN communication standard through the wireless LAN communication means It is preferable to include at least one or more portable terminals such as Digital Assistant (PID) and / or Portable Media Player (PMP).

In addition, the wireless LAN terminal 100 to which the card terminal 105 and a predetermined wireless LAN communication channel is connected, the PCS (Personal Communication System), GSM (Global System for Mobile) terminal operating based on the CDMA stack, smart A WLAN, Bluetooth, WiFi, UWB that conforms to (or is compatible with) the IEEE 802.11x standard in a mobile communication wireless LAN terminal 100 including at least one of a smart phone, a WCDMA terminal, an HSDPA terminal, and the like. Wireless LAN communication means including at least one of the wireless LAN communication means such as, and the like to connect to the wireless LAN communication means provided in the card terminal 105 and a predetermined wireless LAN communication standard through the wireless LAN communication means It is preferable to include at least one terminal.

In addition, the wireless LAN terminal 100 to which the card terminal 105 and a predetermined wireless LAN communication channel is connected may be connected to (WLAN), Bluetooth, Wi-Fi, UWB, etc. according to the IEEE 802.11x standard. At least one wireless LAN communication means of the same wireless LAN communication means, and the wireless LAN communication means provided in the card terminal 105 and the wireless LAN communication means for supporting the VoIP communication protocol connected to the wireless LAN communication standard It is preferred to include at least one server (and / or terminal) (eg, IP phone, etc.).

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 connect 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 processor. And at least one electrical / electronic device and a circuit corresponding to the baseband unit, wherein the software functional configuration controls the operation of the antenna unit, the RF processor, the IF processor, and the baseband unit, and controls the operation. It includes a program for processing the 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 connected to a predetermined communication channel with the van server 110 provided in the bansa corresponding to the card terminal 105 through the backbone network. The card terminal 105 is thereby provided with a payment server provided to a card issuer that issued a card having at least one payment means to at least one or more customers through the van server 110 to which the communication channel is connected. Full payment authorization request and / or full payment authorization corresponding to 115 and certain wireless communication protocols (eg, WCDMA / HSDPA based communication protocols and / or IEEE 802.16x based communication protocols and / or IEEE 802.11x based communication protocols). By transmitting and receiving, the electronic payment procedure using the customer-owned card is performed.

Here, a series of network configurations including the wireless communication network and the vanbone network and the van server 110, and / or a dedicated communication network connecting the van server 110 and the card issuer-side payment server 115 is the A card 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.

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 at least one server (and / or terminal) through the backbone network.

For example, the 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 to a terminal device on the Internet and a P2P ( Peer To Peer) 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 terminal) on the ().

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 with a call terminal for VoIP on the VoIP network.

In addition, the card terminal 105 with a bridge function of the communication protocol stack is a terminal device on a predetermined external network (for example, a network connected through an application network and a predetermined gateway) connected to a predetermined application network connected to the backbone network. And a predetermined communication channel are 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 terminal and a communication channel on the VoIP network may be connected.

2 is a diagram illustrating a preferred functional configuration of a card terminal 105 performing a virtual WLAN AP function through 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 the communication network, and wireless LAN communication means of at least one of wireless LAN communication means and / or wireless LAN communication means, the wireless LAN communication The preferred functional configuration of the card terminal 105 for bridging the means and the wireless communication means on a communication protocol stack, which is known to those skilled in the art, will be described with reference to FIG. At least one wireless communication means and a wireless LAN communication means, and the wireless communication means and the wireless LAN communication means Would be able to infer a feature configuration of the card terminal 105 for the bridge on the protocol stack, the present invention includes all embodiments in which the inference method, not limited to the exemplary method shown in the figure 2.

In FIG. 2 according to a 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 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 shown, the card terminal 105 may be provided with only one wireless communication means of the wireless communication means, by which the present invention is not limited.

In FIG. 2, the wireless LAN communication means used by the card terminal 105 having the bridge function of the communication protocol stack includes at least one wireless LAN communication means and wireless communication means. The wireless LAN communication means provided in the card terminal 105 may be provided with any one of the wireless LAN communication means and the wireless LAN communication means, and the present invention is not limited thereto.

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 255 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 260, an IEEE 802.11x communication processor 265 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 270 for processing to communicate with the wireless communication network.

According to the present invention, the card terminal 105 having a bridge function of the communication protocol stack is connected to the wireless LAN terminal 100 having a predetermined wireless LAN communication means and a predetermined wireless LAN communication channel to connect the wireless LAN. And a wireless LAN communication unit 250 for processing a predetermined wireless LAN communication corresponding to the communication channel.

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 255. 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 routine that is software-loaded from a predetermined memory unit 255 (and / or chipset) into the execution memory to be processed by the processor to realize at least one predefined function. And / or generic term of the program data (hence, in the present invention, a small size 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 255. 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. Lose.

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. 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. Characterized in that the output through a sound output device (for example, a speaker), the sound processor 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 event (e.g., from the key table that stores (manages) 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 to an 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 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. Security requirements, including integrity and / or nonrepudiation, etc., within the card terminal 105 without using an authentication server (or payment server 115) on the payment network. As a safety device for performing a reliable and reliable 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. ) Encrypts or decrypts, adds an authenticator that prevents forgery (or tampering) of the message, or provides important information in the process of performing the security request function. It characterized in that it performs the function of Chapter.

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 260 uses the W-CDMA and / or HSDPA-based communication protocol to connect the card terminal 105 with a network component on the W-CDMA and / or HSDPA-based wireless communication network. 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 described in detail through figures 3a.

The IEEE 802.11x communication processor 265 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 270 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 are described in detail with reference to Fig. 3c.

The memory unit 255 is input and output when an operation by a predetermined program routine (or code) and / or program data (eg, 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 255 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 255 processes an address corresponding to an address to be allocated to the WLAN terminal 100 to which the card terminal 105 and the WLAN communication channel are connected through the WLAN communication unit 250. It is characterized by storing the information.

In order for the WLAN terminal 100 connected to the card terminal 105 and a predetermined WLAN communication channel to access (and / or communicate) with the communication network, the WLAN terminal 100 connected to the WLAN communication channel is connected. Although a predetermined address available in the wireless communication network should be allocated, in general, the WLAN terminal 100 is not assigned an address for accessing (and / or communicating) the wireless communication network, and / or the wireless An address that cannot be used in the network is assigned.

Therefore, the card terminal 105 is connected to the WLAN terminal 100 through the card terminal 105 in the process of connecting the WLAN terminal 100 with a predetermined WLAN communication channel (and / or communication). A predetermined address that can be used in a wireless communication network to be connected) 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 WLAN terminal 100.

According to an embodiment of the present invention, the WLAN terminal 100 can be used in the wireless communication network from a dynamic address allocation server (eg, a DHCP server, not shown) on the wireless communication network bridged through the card terminal 105. A predetermined address may be dynamically allocated, wherein the address processing information corresponds 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 that the information is included.

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 WLAN terminal 100 to which the WLAN communication channel is connected. In this case, the address processing information preferably includes 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 is a predetermined virtual address (eg, IPv4 based IP address) to the WLAN terminal 100 to which the WLAN communication channel is connected, “192.168. 0.1 to 255 "), wherein the address processing information includes information for allocating a virtual address to the WLAN terminal 100.

According to the present invention, the memory unit 255 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. 2, when a communication program routine providing a bridge function of the communication protocol is connected to the WLAN terminal 100 and a predetermined WLAN communication channel through at least one WLAN communication unit 250, An address processing unit 290 for allocating and processing an address for accessing (and / or communicating) the wireless communication network to the WLAN terminal 100, and reading the packet information transmitted and received on the protocol stack to read the packet. A bridge check unit 285 for checking whether to bridge or use the transmit / receive packet in the card terminal 105, and a protocol corresponding to the wireless LAN communication unit 250 when the check result is to bridge the transmit / receive packet. And a bridge function unit 275 that bridges the stack and the protocol stack corresponding to the communication processing unit.

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 285, confirms whether to convert the transmission and reception packet structure, and in accordance with the confirmation result And a protocol conversion unit 280 for converting the transmission / reception packet to be bridged on a protocol stack.

In general, the application program (and / or terminal program for electronic payment processing) provided in the card terminal 105 is characterized in that it works in conjunction with the highest layer on the communication protocol stack, and fully trust the communication protocol stack of the lower layer below To be manufactured and developed.

That is, an application program (and / or terminal program for electronic payment processing) included 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 layer may include the communication processing unit (eg, the WCDMA / HSDPA communication processing unit 260 and / or the IEEE 802.11x communication processing unit 265 and / or the IEEE 802.16x communication processing unit 270 and / or the IP-based communication processing unit, etc.). And / or a system program provided in the operating system of the card terminal 105, and / or the application program (and / or a terminal program for electronic payment processing). There is no access to the lower layer communication protocol stack.

According to the present invention, in the communication protocol structure as described above, the bridge function unit 275 is a communication processing unit (e.g., WCDMA / HSDPA communication processing unit 260 and / or IEEE 802.11x communication processing unit provided in the card terminal 105). 265 and / or a communication protocol layer (eg, physical layer, data link layer) corresponding to the IEEE 802.16x communication processing unit 270 and / or the IP based communication processing unit and the operating system of the card terminal 105. And a logical bridge function layer that logically bridges a protocol layer corresponding to the WLAN communication unit 250 and a protocol layer corresponding to the external communication unit between the 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. 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 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 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 or more protocol stacks located in a lower layer between protocol layers of the same class based on an IEEE 802.11x communication protocol stack corresponding to the main communication protocol stack, and / or mutually. Bridge compatible protocol layers.

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 processor 290 is stored in the memory unit 255 when a predetermined wireless LAN terminal 100 and a wireless LAN communication channel are connected through the wireless LAN communication unit 250 provided in the card terminal 105. It is characterized by assigning and processing a predetermined address for accessing (and / or communicating) the wireless communication network to the WLAN terminal 100 using address processing information.

According to an exemplary embodiment of the present invention, the address processing unit 290 extracts address processing information including dynamic address allocation server information existing on the wireless communication network from the memory unit 255, 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 WLAN terminal 100, and allocate the allocated address to the WLAN terminal 100. Accordingly, the WLAN terminal 100 connected to the card terminal 105 and a predetermined WLAN communication channel transmits the wireless communication network to the assigned address through a bridge function on a protocol stack provided in the card terminal 105. Can be connected to (and / or communicated with).

According to another exemplary embodiment of the present invention, the address processing unit 290 may assign predetermined address information (and / or address) to be allocated from the memory unit 255 to the WLAN terminal 100 to which the WLAN communication channel is connected. Extracting predetermined address processing information including area information) and allocating the predetermined address to the WLAN terminal 100 based on the address information (and / or address area information) included in the address processing information. Preferably, the WLAN terminal 100 to which the card terminal 105 is connected to a predetermined WLAN communication channel is connected to the allocated address through a bridge function on a protocol stack provided in the card terminal 105. It is possible to connect (and / or communicate) to a communication network.

According to another exemplary embodiment of the present invention, the address processing unit 290 may be allocated from the memory unit 255 to the WLAN terminal 100 to which the WLAN communication channel is connected (eg, another WLAN terminal). Extracts predetermined virtual address information (for example, "192.168.0.1 to 255" for an IPv4-based IP address), which is not duplicated with 100, and based on the virtual address information included in the address processing information; It is preferable to assign a predetermined address to the WLAN terminal 100, whereby the WLAN terminal 100 connected to the card terminal 105 and a predetermined WLAN communication channel is provided in the card terminal 105. The bridge function on a protocol stack allows for connection (and / or communication connection) to the wireless communication network with the assigned address.

According to the exemplary embodiment of the present invention, the address processor 290 allocates and processes a predetermined address obtained through the address processing information to the WLAN terminal 100 to which the WLAN communication channel is connected. It is preferable to directly allocate a predetermined address obtained in response to the address processing information in the WLAN terminal 100 to which the WLAN communication channel is connected. In such an embodiment, a predetermined address may be assigned to the WLAN terminal 100. A wireless LAN communication means operating on a basis is provided, and can be effectively implemented when the wireless LAN communication means is provided with a function configuration for dynamically allocating a predetermined address.

For example, when a function configuration for allocating a predetermined address is provided in the WLAN terminal 100 provided in the WLAN terminal 100 to which the card terminal 105 and the WLAN communication channel are connected (for example, When the WLAN communication means provided in the WLAN terminal 100 operates through address assignment), the address processing unit 290 sends the address obtained in response to the address processing information to the WLAN terminal 100. By providing, the address is dynamically allocated through the function of address assignment related function provided in the WLAN terminal 100.

According to the exemplary embodiment of the present invention, the address processor 290 allocates and processes a predetermined address obtained through the address processing information to the WLAN terminal 100 to which the WLAN communication channel is connected. It is preferable to logically allocate a predetermined address obtained in correspondence with the address processing information to the WLAN terminal 100 to which the WLAN communication channel is connected. Effective when the LAN communication means does not operate based on a predetermined address, and / or the WLAN communication means operates based on a predetermined address, but is not equipped with a function configuration for dynamically allocating the address. Can be implemented.

Here, logically allocating the address to the WLAN terminal 100 means that the card terminal 105 does not directly allocate a predetermined address obtained through the address processing information in the WLAN terminal 100. Processes the address in association with the WLAN communication channel information (and / or WLAN terminal 100 information) and temporarily stores the address, and then transmits the address from the WLAN terminal 100 to a wireless communication network through the WLAN communication channel. When a packet requested to be received is received, the card terminal 105 converts the packet into a packet structure that can be transmitted to the wireless communication network through the stored address, and / or the card terminal 105 stores the stored packet structure. And adding (and / or inserting) a predetermined address to the packet and transmitting it to the wireless communication network.

Alternatively, when a packet to be finally received from the wireless communication network to the WLAN terminal 100 is received, the card terminal 105 compares the packet included in the received packet with the stored address to wirelessly compare the packet. Converting to a packet structure corresponding to a LAN communication channel and / or enhancing (and / or erasing) an address included in the received packet at the card terminal 105 and transmitting it to the WLAN terminal 100. It is made to include.

When the bridge check unit 285 receives a predetermined packet through a WLAN communication channel and a predetermined WLAN terminal 100 through the WLAN communication unit 250 provided in the card terminal 105 (for example, The packet transmitted from the WLAN terminal 100 flows into the card terminal 105), reads the received packet and uses the packet in the card terminal 105, and / or according to the present invention. It is characterized by checking whether or not to bridge to the wireless communication network through the bridge function of the protocol stack.

In addition, when the bridge check unit 285 bridges the packet to a protocol stack corresponding to the communication processing unit, the bridge check unit 285 checks whether the packet is a packet for payment processing or the packet for the WLAN connection. It is done.

According to an embodiment of the present invention, a packet received through the WLAN communication channel to the card terminal 105 may include packet information corresponding to each protocol layer from a lower layer on a protocol stack corresponding to the WLAN communication unit 250. The logical bridge function layer is reached while being provided to an upper layer while being removed, and the bridge identification unit 285 receives a packet including at least one packet information from a lower layer on a protocol stack corresponding to the WLAN communication unit 250. When the logical bridge function layer is reached, the packet information included in the packet (e.g., destination information to which the packet was last transmitted) is read to use the packet at the card terminal 105 and / or to the wireless communication network. It is advisable to check whether or not to transmit.

If it is confirmed that the packet is not bridged on the protocol stack, the packet is provided by the bridge function 275 to an upper layer of the logical bridge function layer and is provided in the card terminal 105. Processing through a program (and / or a terminal 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 275. Bridged to the stack and sent to the wireless network.

In addition, when a predetermined packet is generated in the card terminal 105 (for example, the bridge check unit 285), a packet generated in an upper layer of the main protocol stack provided in the card terminal 105 is the logical bridge. Reaches the functional layer), reads the generated packet and transmits the packet to a wireless communication network through a protocol stack corresponding to the communication processor, and / or to a protocol stack corresponding to the WLAN communication unit 250. It is characterized by checking whether to bridge.

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 to which 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 WLAN communication It is preferable to check whether to transmit to the WLAN terminal 100 through a channel.

If it is confirmed that the packet is not bridged on the protocol stack, the packet is transmitted by the bridge function 275 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 is transmitted to the wireless LAN communication unit 250 provided in the card terminal 105 through the logical bridge function layer by the bridge function unit 275. It is bridged to a protocol stack corresponding to and is transmitted to the WLAN terminal 100 through the WLAN 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 285 reads the received packet to use the packet in the card terminal 105. And / or whether to bridge to a predetermined WLAN 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 terminal program for electronic payment processing), and the bridge check unit 285 includes a packet including at least one packet information. When the logical bridge function layer arrives from the lower layer of the main protocol stack, the packet information in the card terminal 105 is read by reading the packet information included in the packet (eg, destination information to which the packet was last transmitted). Whether to use and / or transmit to the WLAN terminal 100 through the WLAN communication channel. It is desirable.

If it is confirmed that the packet is not bridged on the protocol stack, the packet is provided by the bridge function 275 to an upper layer of the logical bridge function layer and is provided in the card terminal 105. Processing through a program (and / or a terminal program for electronic payment processing).

On the other hand, if it is confirmed that the packet is bridged on the protocol stack, the packet is transmitted to the wireless LAN communication unit 250 provided in the card terminal 105 through the logical bridge function layer by the bridge function unit 275. It is bridged to a protocol stack corresponding to and is transmitted to the WLAN terminal 100 through the WLAN communication channel.

The protocol conversion unit 280 has a function of confirming whether or not to convert the transmission and reception packet structure when bridging the transmission and reception packet as a result of the verification by the bridge confirmation unit 285.

If it is confirmed that the transmission / reception packet structure needs to be converted, the protocol conversion unit 280 may convert the transmission / reception packet to be bridged on a protocol stack.

According to an embodiment of the present invention, if the packet is confirmed as a packet for payment processing, the protocol conversion unit confirms the packet to 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 IEEE 802.11x external wireless communication network, It is preferable that the encryption further comprises a protocol.

According to an embodiment of the present invention, the protocol conversion unit 280 may convert a packet corresponding to the WLAN communication unit 250 into a packet structure corresponding to the communication processing unit in the WLAN communication unit 250. Reading predetermined packet data by reading a packet encapsulating with a packet structure defined in a corresponding protocol stack, and encapsulating the read packet data into a packet structure defined in a protocol stack corresponding to the communication processor It is preferable to comprise a.

If the packet data size read from the packet corresponding to the WLAN communication unit 250 is not compatible with the packet data size of the packet corresponding to the communication processing unit, the protocol conversion unit 280 reads the read packet data. It is preferable to further comprise a function to buffer the (Buffering) to make the read packet data size compatible.

According to another exemplary embodiment of the present invention, the protocol converter 280 may convert a packet corresponding to the WLAN communication unit 250 into a packet structure corresponding to the communication processor, in the WLAN communication unit 250. 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 defined in a protocol stack corresponding to It is preferable to comprise a.

According to an embodiment of the present invention, the method of converting a packet structure corresponding to the wireless communication unit 250 into a packet corresponding to the communication processing unit by the protocol conversion unit 280 may include a protocol stack corresponding to the communication processing unit. A process of reading a packet data by reading an encapsulating packet in a packet structure defined in FIG. 2, and encapsulating the read packet data into a packet structure defined in a protocol stack corresponding to the WLAN communication unit 250. It is preferable to comprise a.

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 WLAN communication unit 250, the protocol converter 280 may read the read packet data. It is preferable to further comprise a function of buffering (Buffering) to make the read packet data size compatible.

According to another exemplary embodiment of the present invention, a method of converting a packet structure corresponding to the wireless communication unit 250 into a packet corresponding to the communication processing unit by the protocol conversion unit 280 may include a protocol corresponding to the communication processing unit. Removing (or erasing) packet information that is not compatible with the protocol stack corresponding to the WLAN communication unit 250 among the packet information included in the packet generated (and / or processed) in the packet structure defined in the stack. It is preferable to comprise.

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, and 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 processing unit 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. UPCM (UP Conversion Module) is composed of LPF, I / Q modulator, VGA, RF BPF to up-convert baseband signal to RF signal, transmit power control function and filtering function. DowN-Conversion Module) consists of RF BPF, RF mixer, VGA, I / Q demodulator, LPF, and the DNCM performs down conversion of RF signal to baseband signal, automatic gain control and filtering of received power. It consists of the device configuration for.

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 a bridge function of the protocol stack is provided so that some of the respective wireless communication device configurations shown in FIGS. 3A, 3B, and 3C are shared. 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 wireless LAN communication means supporting a communication protocol stack compatible with an 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.

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 WLAN terminal 100 and / or at least one WLAN terminal 100 accessing (and / or communicating) an x-based wireless network and including a protocol stack compatible with the OSI 7 layer. When a predetermined WLAN communication channel is connected, the method for implementing a logical bridge function layer for bridging a communication protocol stack corresponding to the WLAN communication channel and a communication protocol stack corresponding to an external communication network, specifically, FIG. 4A Is placed on an upper layer (and / or sublayer of a network layer) of a datalink layer on a communication protocol compatible with the OSI 7 layer. FIG. 4B illustrates an implementation method in which a logical bridge function layer is provided to provide a bridge function of a communication protocol stack, and FIG. 4B shows a higher layer (and / or a sub-layer of a transport layer) on a communication protocol compatible with the OSI 7 layer. Is a logical bridge function layer providing a bridging function of the communication protocol stack, and FIG. 4C illustrates a higher layer (and / or session layer) of a transport layer on a communication protocol compatible with the OSI 7 layer. FIG. 4D illustrates a method of implementing an upper layer of a session layer on a communication protocol compatible with the OSI 7 layer. Or a sublayer of the presentation layer). It illustrates an exemplary method to be provided with a logical bridge function layer.

Those skilled in the art to which the present invention pertains may refer to and / or modify the 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. The wireless LAN communication channel when connected to another 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.). Various implementations 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 It is not limited to the implementation method shown in 4a, 4b, 4c, and 4d.

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 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 embodiment of the present invention, some of the wireless LAN communication unit 250 which is not compatible with the OSI 7 layer structure also includes a function configuration unit corresponding to the physical layer of the OSI 7 layer and the MAC layer of the OSI 7 layer. The wireless LAN communication unit 250, which is not compatible with the OSI 7 hierarchical structure, also includes a corresponding functional configuration unit. The communication according to the present invention is performed on an upper layer of a layer corresponding to the physical layer and the MAC layer of the OSI 7 layer. It is possible to define a logical bridge function layer that provides a bridge function of the protocol stack, and the present invention is not limited thereto.

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 WLAN 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.

The logical bridge function layer provided in an upper layer (and / or a sublayer included in a 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 provided in the card terminal 105 And transmitting and receiving bridges to and from the MAC layer (and / or LLC layer) and the physical layer of the WLAN communication protocol stack.

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 sublayer 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 and MAC layer of the WLAN communication protocol stack provided in the card terminal 105 in an upper layer (and / or a transport layer). Or LLC layer) and a physical layer on a 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 a 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 wireless terminal provided in the card terminal 105 And transmitting and receiving bridges to a network layer, a MAC layer (and / or LLC layer) and a physical layer of a LAN communication protocol stack.

If the network layer does not exist in the protocol stack corresponding to the WLAN communication unit 250 in the embodiment illustrated in FIG. 4B, an upper layer (and / or transmission) of the network layer of the IEEE 802.16x based communication protocol stack is present. The logical bridge function layer included in the layer includes a network layer, a MAC layer and a physical layer of the IEEE 802.16x communication protocol stack, and a MAC layer of a WLAN communication protocol stack provided in the card terminal 105. It is possible to bridge the (and / or LLC layer) and the physical layer directly on the protocol stack, whereby the invention is 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 the transport layer, network layer of the wireless LAN communication protocol stack provided in the card terminal 105 , Bridge the MAC layer (and / or LLC layer) and the physical layer on the protocol stack.

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. In addition to the function of transmitting and 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, a wireless LAN provided in the card terminal 105 And transmitting and receiving bridges to a transport layer, a network layer, a MAC layer (and / or LLC layer) and a physical layer of the communication protocol stack.

If the network layer and the transport layer do not exist in the protocol stack corresponding to the WLAN communication unit 250 in the embodiment illustrated in FIG. 4C, the upper layer of the transport layer of the IEEE 802.16x based communication protocol stack ( And / or a sublayer included in the session layer), the logical bridge function 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 radio provided in the card terminal 105. It is possible to bridge the MAC layer (and / or LLC layer) and the physical layer of the LAN communication protocol stack directly on the protocol stack, whereby the present invention is not limited.

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. In the upper layer (and / or presentation layer) of the IEEE 802.16x communication protocol stack of the physical layer, MAC layer, network layer, transport layer and session layer of the wireless LAN communication protocol stack provided in the card terminal 105 Bridge the session layer, transport layer, network layer, MAC layer (and / or LLC layer) and 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. It is characterized in that it further comprises bridged and transmitted to the session layer, transport layer, network layer, MAC layer (and / or LLC layer) and the physical layer of the provided WLAN communication protocol stack.

If there is no network layer and / or transport layer and / or session layer in the protocol stack corresponding to the WLAN communication unit 250 in the method illustrated in FIG. 4D, the IEEE 802.16x based communication protocol stack The logical bridge function layer provided in an upper layer (and / or sub-layer included in the presentation layer) of the session 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. It is possible to directly bridge the MAC layer (and / or LLC layer) and the physical layer of the WLAN communication protocol stack provided in the card terminal 105 on the protocol stack, by 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 illustrate 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 WLAN 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 wireless LAN terminal 100 to which the card terminal 105 and at least one wireless LAN communication channel are connected through the bridge function of the protocol stack according to the present invention in the provided card terminal 105. 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 logical brit is a wireless LAN terminal 100 to which a wireless LAN communication channel including at least one of (WLAN) and / or Bluetooth and / or Wi-Fi and / or UWB is connected. The protocol stack structure for bridging to the IEEE 802.16x based wireless communication network through a functional layer, Figure 5b is a state in which the card terminal 105 is connected (and / or communication connection) to the IEEE 802.16x based wireless communication network In the logical network, a wireless LAN terminal 100 connected to a wireless LAN (WLAN) compliant with (or compatible with) the IEEE 802.11x standard and / or at least one wireless communication network including Bluetooth and / or Wi-Fi and / or UWB is connected. 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 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 of bridging the WLAN terminal 100 to which the WLAN communication channel including at least one Bluetooth and / or WiFi and / or UWB is connected through the logical bridge function layer. The present invention includes all the inferred implementation methods, and is not limited to the implementation methods shown in FIGS. 5A and 5B.

In addition, if the person skilled in the art (for example, those who understand the protocol stack structure), the card terminal 105 is the wireless terminal by referring to and / or modified the present figures 5a and 5b. In addition to the LAN communication means, various implementation methods for bridging the WLAN terminal 100 connected to at least one WLAN communication channel through the logical bridge function layer through the WLAN communication means may be inferred. It includes all the inferred implementation methods, and is not limited to the implementation methods 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 is provided in the upper layer (and / or sub-layer of the network layer) of the data communication layer of the WLAN communication means) provided in the mutually compatible protocol layer, the external communication means An implementation method provided at an upper layer (and / or a sublayer of a transport layer) of the network layer of the network layer, and / or the logical bridge function layer is an upper layer (and / or network layer) of the datalink layer of the WLAN communication means. Implementation in the upper layer (and / or the 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 WLAN communication means, and an upper layer of the session layer of the external communication means (and / or Or an implementation method provided in a sublayer of a presentation layer) or an implementation method provided in a mutually compatible protocol layer inferred from the illustrated embodiment method, but the present invention is inferred from the above. It includes all implementation methods, and is not limited to the implementation methods shown in FIGS. 5A and 5B.

5A and 5B, although the WLAN terminal 100 to which the card terminal 105 and at least one WLAN communication channel are connected is provided with a protocol stack corresponding to the OSI 7 layer, this is It is only for easily explaining the technical features of the present invention to those skilled in the art to which the present invention pertains, the WLAN terminal 100 to which the card terminal 105 and at least one WLAN communication channel are connected. ) May be provided with only a predetermined physical layer and a MAC layer, and / or may be provided with a predetermined protocol layer above the physical layer and the MAC layer, and the protocol stack provided in the WLAN terminal 100 includes the OSI. It is not necessary to satisfy the seven-layer structure, whereby the present invention is not limited.

5A and 5B, if the person skilled in the art (for example, the protocol stack structure) understands, the packet generated in the card terminal 105 (for example, A packet including the full payment approval request message is transmitted to the van server 110 through a wireless communication network based on a protocol stack, and / or a packet generated by the van server 110 (eg, includes a payment approval full text message). Packet will be received by the card terminal 105 through the wireless communication network based on the protocol stack, so 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 FIG. 5A illustrating a protocol stack structure for bridging a WLAN terminal 100 connected to a WLAN communication channel including at least one UWB to the IEEE 802.16x based wireless communication network through the logical bridge function layer. For reference, the packet to be transmitted from the WLAN terminal 100 to a server (and / or terminal) on an IEEE 802.16x based wireless communication network to which the card terminal 105 is connected (and / or communication connected) is the wireless. A protocol stack provided in the WLAN terminal 100 by repeating a process generated in an application layer provided in the LAN terminal 100 and provided to a lower layer of a next step while adding predetermined packet information. It reaches the physical layer of the MAC sub-layer.

Thereafter, the packet is provided to the card terminal 105 through a WLAN communication channel including a physical layer provided in the WLAN terminal 100 and a WLAN communication side physical layer provided in the card terminal 105. It is received at the WLAN communication side physical layer and flows into the logical bridge function layer via the WLAN communication side MAC layer provided in the card terminal 105.

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 802.1 802.1 over a wired communication interval connecting the server (and / or terminal) on the backbone network and the IEEE 802.16x based wireless communication network Received to the physical layer on the protocol stack provided in the server (and / or terminal) on the 6x based wireless communication network.

Then, the packet goes to the application layer via the MAC layer, data link layer, network layer, transport layer, session layer, and presentation layer on a protocol stack provided in a server (and / or terminal) on the IEEE 802.16x based wireless communication network. Provided, the application layer performs data processing corresponding to the packet.

In addition, a packet to be transmitted from the server (and / or terminal) on the IEEE 802.16x based wireless communication network to which the card terminal 105 is connected (and / or communication connection) to the WLAN terminal 100, the server ( And / or generated by the application layer provided in the terminal) and the predetermined packet information is added to the next layer to repeat the process to reach the physical layer of the protocol stack provided in the server (and / or terminal). Then, the packet is a wired communication section for connecting a server (and / or terminal) and a backbone network on the IEEE 802.16x-based wireless communication network, a wired line connecting the network component on the backbone network and the IEEE 802.16x-based wireless communication network Communication section and network components (e.g., base station (RAS)) on the IEEE 802.16x based wireless communication network and water of the protocol stack of the IEEE 802.16x based wireless network side provided in the card terminal 105 Received to the logical layer is introduced into the logical bridge functional layer via the MAC layer of the wireless LAN communication side provided in the card terminal 105.

Thereafter, the logical bridge function layer bridges the incoming packet to the WLAN terminal 100 to which the WLAN terminal 100 is connected to the card terminal 105, and / or is provided to the card terminal 105. Make sure to bridge it for use by your application.

If it is confirmed that the packet is bridged to the WLAN terminal 100 to which the card terminal 105 and the WLAN communication channel are connected, the logical bridge function layer further performs the packet structure conversion process according to an implementation method. After performing the packet, the packet is transmitted to the WLAN terminal 100 through a WLAN communication channel including a physical layer of the protocol stack of the WLAN communication side and a protocol stack provided in the WLAN terminal 100. Received to the physical layer on the provided protocol stack.

Thereafter, the packet is provided to an application layer 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 the WLAN 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 WLAN terminal 100 connected to a WLAN 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 WLAN terminal 100 to a server (and / or terminal) on an IEEE 802.16x based wireless communication network to which the card terminal 105 is connected (and / or connected) is the WLAN terminal. By repeating the process generated in the application layer provided in the (100) and provided to the lower layer of the next step while the predetermined packet information is added to the lower layer of the MAC layer of the protocol stack provided in the WLAN terminal 100 The packet terminal is reached through a WLAN communication channel including a physical layer provided in the WLAN terminal 100 and a WLAN communication side physical layer provided in the card terminal 105. It is received at the wireless LAN communication side physical layer provided in the 105 and flows into the logical bridge functional layer via the MAC layer of the wireless LAN communication side provided in the card terminal 105.

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 WLAN 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 functional layer.

Thereafter, the logical bridge function layer bridges the incoming packet to the WLAN terminal 100 connected to the card terminal 105 and the WLAN communication channel, and / or the card terminal 105 is connected ( And / or communication connection) to bridge to an IEEE 802.16x based wireless communication network.

If it is confirmed that the packet is bridged to the WLAN terminal 100 to which the card terminal 105 and the WLAN communication channel are connected, the logical bridge function layer further performs the packet structure conversion process according to an implementation method. After performing the packet, the packet is transmitted to the WLAN terminal 100 through a WLAN communication channel including a physical layer of the protocol stack of the WLAN communication side and a protocol stack provided in the WLAN terminal 100. Received to the physical layer on the provided protocol stack.

Thereafter, the packet is provided to an application layer 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 the WLAN 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, 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. 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.

6, while a predetermined power is supplied to the card terminal 105 to perform a system booting procedure (600), the card terminal 105 is a logical bridge function layer according to the present invention during the system booting. A protocol processing routine including a 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 255 (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 WLAN terminal 100 and at least one WLAN communication channel (e.g., WLAN). It periodically checks whether a communication channel, a wireless LAN communication channel, etc.) is connected (625).

If at least one WLAN terminal 100 and at least one WLAN communication channel are not connected (630), the card terminal 105 performs a predetermined electronic payment processing function provided in the card terminal 105. It is checked 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 desirable to initiate treatment procedures.

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 wireless LAN terminal 100 and a wireless LAN 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) (640), the card terminal 105 is a process of confirming that at least one WLAN terminal 100 and a wireless LAN communication channel is connected and the electronic terminal provided in the card terminal 105 The process of confirming that the payment processing function is performed is periodically repeated.

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 115 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 is provided with an electronic payment process in which the payment processing result is periodically transmitted through a van to a predetermined payment server 115 through a payment communication network including the wireless communication network). In the process of performing the payment processing function, 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 (650), the card terminal 105 completes the execution of the electronic payment processing procedure (655), The process of checking whether the at least one WLAN terminal 100 and the WLAN communication channel are also connected and 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 determined that at least one WLAN terminal 100 and at least one WLAN communication channel are connected to the card terminal 105 (630), the card terminal 105 performs the bridge function of the protocol stack according to the present invention. In operation 665, an address allocation procedure for the WLAN terminal 100 to which the WLAN communication channel is connected is provided.

According to an embodiment of the present invention, the address assignment procedure for the WLAN terminal 100 may include a predetermined address obtained in correspondence with the address processing information in the WLAN terminal 100 to which the WLAN communication channel is connected. It is desirable to include a procedure for direct assignment.

According to another exemplary embodiment of the present invention, the address assignment procedure for the WLAN terminal 100 may include: a predetermined address obtained in correspondence with the address processing information to the WLAN terminal 100 to which the WLAN communication channel is connected; It is desirable to include a procedure for logically allocating a.

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

7A and 7B illustrate an operation process of a card terminal 105 that provides a bridge function for a packet transmitted / received through a wireless LAN communication channel connected to a card terminal 105 through a logical bridge function layer according to an embodiment of the present invention. Figure is shown.

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 for providing a bridge function of a protocol stack according to the present invention with respect to packets transmitted and received through at least one WLAN communication channel connected to the card terminal 105. Specifically, FIG. 7A shows a method of bridging a packet introduced into the logical bridge function layer through a LAN communication channel on a protocol stack to a wireless communication network to which the card terminal 105 is connected (and / or connected). At least one packet connected to the card terminal 105 is introduced into the logical bridge function layer through a communication network. It is more WLAN for exemplary method for the bridge on the protocol stack to the WLAN communication channel to the communication channel to receive the packet of.

Those skilled in the art to which the present invention pertains, the packet is transmitted and received over the wireless LAN communication channel connected to the card terminal 105 through the logical bridge functional layer by referring to and / or modifying the Figures 7a and 7b. Various implementation methods for providing a bridge function for the present invention 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. 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 process as shown in FIG. 6, the card terminal 105 is connected to the wireless terminal. It is checked whether a predetermined packet is received from the WLAN terminal 100 through the LAN side physical layer and the MAC layer and flows into the logical bridge function layer (700a).

If the packet received from the WLAN 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 a protocol layer corresponding to an application program (and / or an electronic payment processing terminal program) to be processed (720a), whereby the packet is transmitted to the card terminal ( 105 is provided to an application program (and / or an electronic payment processing terminal program) to receive and process the packet, and then the card terminal 105 (e.g., an application program to receive and process the packet (and / or electronic). Payment process terminal program)) performs a predetermined data processing procedure for the data contained in the packet (725a).

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

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

Subsequently, the wireless communication network is transmitted from the card terminal 105 (for example, the protocol stack provided in the card terminal 105 by being transmitted from the WLAN terminal 100 to which the card terminal 105 and the wireless LAN communication channel are connected). The packet transmitted to the wireless communication network through the bridge function of the server is transmitted to the destination server (and / or terminal) (750a), and the server (and / or the terminal) receiving the packet is an information processing function corresponding to the packet. Generate a predetermined packet including the information processing result (755a), and transmit the packet generated including the information processing result to the card terminal 105 through the wireless communication network (760a). The card terminal 105 receiving the packet provides the packet to the WLAN terminal 100 through a bridge function of the protocol stack as shown in FIG.

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. In operation 700b, it is determined whether a predetermined packet is received from a server (and / or a terminal) on the wireless communication network through the communication network side physical layer and the MAC layer and flows into the logical bridge function layer.

If the packet received from the WLAN 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.), the wireless LAN communication connected to the card terminal 105 with the packet introduced into the logical bridge function layer is performed. It is checked whether or not to bridge to the channel (710b).

If the packet introduced into the logical bridge function layer is not bridged to the WLAN communication channel on a protocol stack (715b), the card terminal 105 passes the packet through the logical bridge function layer to a higher protocol of the protocol stack. A layer (e.g., a protocol layer corresponding to an application program (and / or a terminal program for electronic payment processing) to receive and process the packet at the card terminal 105), thereby providing the packet to the card (720b). The terminal 105 is provided to an application program (and / or a terminal program for electronic payment processing) to receive and process the packet, and then the card terminal 105 (eg, an application program to receive and process the packet). Or the electronic payment processing terminal program) 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 115 via the van via the wireless communication network to perform the electronic payment processing shown in FIG. Preferably, the payment includes a payment approval message corresponding to the full payment approval request message, and the card terminal 105 having received the payment approval message transmits the payment approval result data included in the payment approval message to the card terminal 105. Perform a data processing procedure of outputting to a screen output device provided in the) and / or printing and printing on a predetermined receipt.

On the other hand, if the packet introduced into the logical bridge functional layer is bridged to the WLAN communication channel on the protocol stack (715b), the card terminal 105 includes at least one packet information included in the packet through the logical bridge functional layer. (E.g., packet identifier, and / or packet sender address, and / or packet receiver address, etc.) to receive and process the packet among at least one wireless LAN communication channel connected to the card terminal 105. Check the WLAN 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 WLAN 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 has a packet structure capable of transmitting the bridge target packet to the WLAN 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 WLAN communication channel (745b), the card terminal 105 transmits the packet to the WLAN 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 is bridged on a protocol stack and transmitted to the WLAN 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 this figure 8 to transmit / receive a wireless communication channel connected to a card terminal 105 through the logical bridge function layer. It would be possible to infer various implementation methods that provide a bridge function for a packet, but the present invention includes all implementation methods inferred from the above. It is not limited to the implementation method shown in FIG.

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 determined 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 wireless LAN communication channel connected to the card terminal 105.

According to an embodiment of the present invention, a packet approval request generated in response to the electronic payment processing function is transmitted from the card terminal 105 to the predetermined payment server 115 via the wireless communication network and the van server 110. It is preferable to include the full text.

If the packet flowing into the logical bridge functional layer is not bridged to the WLAN communication channel on a protocol stack (815), the card terminal 105 passes the packet through the logical bridge functional layer to the card terminal 105. By providing this connection (and / or communication connection) to the MAC layer and the physical layer on the wireless communication network side, the packet is bridged on the protocol stack and transmitted to the wireless communication network.

According to the exemplary embodiment of the present invention, a packet provided to the wireless communication network side MAC layer and the physical layer and transmitted to the wireless communication network is transferred from the card terminal 105 to the predetermined payment server via the wireless communication network and the van server 110. It is preferable to include the full payment approval request to be sent to (115).

Thereafter, the wireless communication network transmits the packet transmitted from the card terminal 105 to a predetermined payment server 115 to perform the electronic payment processing via the van server 110 (825), and the card terminal 105 Receiving the packet transmitted from the payment server 115 performs an electronic payment processing procedure corresponding to the payment approval request full text contained in the packet, and the packet corresponding to the electronic payment processing result (for example, payment approval After the packet is generated (830), the packet generated corresponding to the electronic payment processing result is transmitted to the card terminal 105 via the wireless communication network via the van server 110 (835), and The card terminal 105 receiving the packet completes the electronic payment processing procedure through the bridge function of the protocol stack as shown in FIG. 7B.

On the other hand, if a packet introduced to the logical bridge functional layer is bridged to the WLAN communication channel on a protocol stack (815), the card terminal 105 is the card terminal 105 to the packet through the logical bridge functional layer Among at least one WLAN communication channel connected to the card terminal 105 by reading at least one packet information included (eg, packet identifier, and / or packet sender address, and / or packet receiver address). In operation 840, a predetermined WLAN communication channel for receiving and receiving the packet is identified.

According to an embodiment of the present invention, a packet to be bridged and transmitted to the WLAN communication channel transmits a response (and / or a WLAN communication channel connection result) to the WLAN communication channel connection request requested from the WLAN terminal 100. Preferably, the wireless LAN terminal 100 receiving the packet is connected to the wireless communication network to which the card terminal 105 connects (and / or communicates) through the wireless LAN communication channel. Or further performing an address assignment procedure for communication connection, and / or using the bridge function of the protocol stack provided in the card terminal 105 through the wireless LAN communication channel. And / or communication connection) A predetermined communication channel may be connected to at least one server (and / or terminal) provided on a wireless communication network.

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

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 WLAN communication channel through the logical bridge function layer (845).

If it is determined that the packet structure of the bridge target packet needs to be converted (850), the card terminal 105 has a packet structure capable of transmitting the bridge target packet to the WLAN 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 WLAN communication channel (855), the card terminal 105 transmits the packet to the WLAN 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 is bridged on a protocol stack and transmitted to the WLAN communication channel.

9A, 9B, and 9C illustrate a network connection configuration of a card terminal 105 that performs a virtual WLAN AP function through 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. The card terminal 105 performs a virtual WLAN AP function by bridging the card terminal 105 and at least one WLAN terminal 100 in a short distance to the wireless communication network through a bridge function of the communication protocol stack. As shown in FIG. 9A, specifically, the card terminal 105 operates based on a code division multiple access (CDMA) stack, and has W-CDMA (W-CDMA) and / or HSDPA (High Speed Downlink Packet). Access) based wireless communication network (e.g., mobile communication network) is an implementation method of connecting (and / or communication connection), Figure 9b is the card terminal 105 is an IEEE 802.16x based wireless communication network (for example 9C shows that the card terminal 105 is connected to (and / or is connected to) an IEEE 802.11x-based external wireless communication network (e.g., a wireless LAN communication network). Communication connection).

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. It is possible to infer various implementation methods for bridging the card terminal 105 and at least one WLAN terminal 100 located at a short distance from the communication network to a wireless communication network through a bridge function of the communication protocol stack. The present invention includes all implementation methods inferred from the above, 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 Is transmitted and received through at least one of an IEEE 802.16x based communication protocol and / or an IEEE 802.11x based communication protocol. It is good.

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 predetermined communication with at least one or more servers (and / or terminals) through the wireless communication network. And a wireless communication means including at least one wireless communication means for connecting a channel, and at least one wireless LAN terminal 100 and at least one wireless device in a short range with the card terminal 105. Characterized in that it comprises a function to communicate via the LAN communication means.

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. At least one server (and / or terminal) provided in the predetermined communication channel is connected.

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) on the wireless communication network to which the card terminal 105 and a predetermined communication channel are connected may be provided to a value added network (VAN) company corresponding to the card terminal 105. It is characterized in that it comprises a predetermined van server 110 provided, whereby 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 WLAN communication means for connecting the card terminal 105 and at least one WLAN terminal 100 in a short distance to a WLAN communication standard may conform to an IEEE 802.11x standard (or Compatible) (e.g., IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, HIPERLAN / 2, etc.) Wireless Local Area Network (WLAN), Bluetooth, WiFi, Ultra Wide Band system It is preferable to include at least one or more of the wireless LAN communication means of the wireless LAN communication means, such as), whereby between the wireless LAN terminal 100 and the card terminal 105 corresponding to the wireless LAN communication means WLAN communication channel is connected.

According to the present invention, a communication channel connected between the card terminal 105 and a server (and / or terminal) provided on a wireless communication network connects the card terminal 105 to the wireless communication network (and / or communication connection). The wireless communication means for connecting and operating through a communication protocol corresponding to the wireless communication means, and also the wireless LAN communication channel for connecting the card terminal 105 and at least one WLAN terminal 100 located in a short distance It is characterized in that the connection and operation via a communication protocol corresponding to the wireless LAN 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 is configured to perform at least one WLAN 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. It is characterized by the bridge.

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

According to another embodiment of the present invention, the bridge function (at least one WLAN communication means and a function of bridging the wireless communication means) of the communication protocol stack provided in the card terminal 105 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 WLAN communication means. The invention is not limited.

According to a preferred embodiment of the present invention, the bridge function (at least one of the wireless LAN 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 at least one protocol layer of the same grade among at least one protocol layer existing on the protocol stack and at least one protocol layer existing on the protocol stack corresponding to the WLAN communication means.

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

According to another embodiment of the present invention, the bridge function (at least one WLAN communication means and a function of bridging 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 at least one protocol layer existing on the protocol stack and at least one protocol layer existing on the protocol stack corresponding to the WLAN communication means, the protocol layers compatible with each other on the protocol layer. .

According to a preferred embodiment of the present invention, the bridge function (at least one WLAN communication means and a function of bridging the wireless communication means) of the communication protocol stack provided in the card terminal 105 is the WLAN communication means. If a packet generated (and / or processed) on a protocol stack corresponding to 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 may be configured. Converting a packet generated (and / or processed) on a protocol stack corresponding to the WLAN communication means into a packet structure processable (or compatible) on a protocol stack corresponding to the wireless communication means, and / or the wireless communication means A packet generated (and / or processed) on a protocol stack corresponding to a protocol corresponding to the WLAN communication means. It is made by a function of converting a processed (or compatible) packet structure on the call stack, further comprising preferred.

According to an embodiment of the present invention, a packet generated (and / or processed) on a protocol stack corresponding to the WLAN 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, a bridge function (at least one WLAN communication means and a function of bridging the wireless communication means) of the communication protocol stack provided in the card terminal 105 is a protocol stack corresponding to the WLAN communication means. Read out the predetermined packet data by reading a packet encapsulating with a packet structure defined in the above, and encapsulate the read packet data into a packet structure defined in a protocol stack corresponding to the wireless communication means, and / or A predetermined packet is read by reading a packet encapsulated in a packet structure defined in a protocol stack corresponding to the wireless communication means. By reading kit data and encapsulating the read packet data into a packet structure defined in a protocol stack corresponding to the WLAN communication means, thereby generating (and / or processing) on a protocol stack corresponding to the WLAN communication means. It is desirable to make the packets compatible with the packets generated (and / or processed) on the protocol stack corresponding to the wireless communication means.

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

According to another exemplary embodiment of the present invention, a packet generated (and / or processed) on a protocol stack corresponding to the WLAN 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, a bridge function (at least one WLAN communication means and a function of bridging the wireless communication means) of the communication protocol stack provided in the card terminal 105 is a protocol corresponding to the WLAN 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 packet structure defined in a stack, and / or Among the packet information included in the packet generated (and / or processed) in the packet structure defined in the protocol stack corresponding to the wireless communication means By removing (or erasing) packet information that is not compatible with the protocol stack corresponding to the WLAN communication means, the packet generated on the protocol stack corresponding to the WLAN communication means (and / or processing) and the wireless communication means are removed. It is desirable to interoperate packets generated (and / or processed) on the corresponding protocol 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 at least one WLAN terminal 100 connected to the card terminal 105 and a predetermined wireless LAN through a bridge function of the communication protocol stack according to the present invention ( And / or a virtual WLAN AP function (for example, a function of allowing the WLAN terminal 100 to recognize the WLAN AP) to perform communication connection.

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. Virtual WLAN AP function to connect (and / or communication connection) to the IEEE 802.16x based wireless communication network at least one WLAN terminal 100 connected to the card terminal 105 and a predetermined WLAN through a function (For example, the function of allowing the WLAN terminal 100 to recognize the WLAN AP).

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. Virtual WLAN AP function (for example, to connect (or communication connection) to at least one WLAN terminal 100 connected to the card terminal 105 via a predetermined WLAN to the IEEE 802.11x-based external wireless communication network) The WLAN terminal 100 to recognize it as a WLAN AP).

According to the exemplary embodiment of the present invention, the card terminal 105 preferably includes at least one affiliated terminal such as a CAT (Credit Authorization Terminal) and / or a Point of Sales (POS) wireless LAN terminal 100. In this case, the merchant terminal is a wireless communication means for connecting to a predetermined wireless communication means (for example, the merchant terminal WCDMA / HSPDA based wireless communication network and / or IEEE 802.16x based wireless communication network and / or IEEE 802.11x based external wireless communication network) Means for connecting (and / or communicating) to a predetermined wireless communication network through at least one wireless LAN network, and at least one wireless LAN terminal 100 and at least one wireless LAN terminal located at a short distance of the affiliated store terminal via at least one wireless LAN communication means. Through the function of connecting a communication channel and the bridge function of the communication protocol stack according to the present invention, the wireless LAN terminal 100 connected to the wireless communication channel is connected. Be made by a function of the merchant terminal is connected to bridge the wireless network (and / or communication connection) is preferred.

According to the exemplary embodiment of the present invention, the WLAN terminal 100 to which the card terminal 105 and a predetermined WLAN communication channel are connected includes a WLAN (WLAN) complying with (or compatible with) the IEEE 802.11x standard, Wireless LAN communication means including at least one of the wireless LAN communication means such as Bluetooth, Wi-Fi, UWB, etc., and the wireless LAN communication means and the predetermined wireless LAN communication standard provided in the card terminal 105 through the wireless LAN communication means It is preferable to include at least one or more client terminals, such as a personal computer (PC) and / or laptop connected to.

In addition, the wireless LAN terminal 100 to which the card terminal 105 and a predetermined wireless LAN communication channel is connected may be connected to (WLAN), Bluetooth, Wi-Fi, UWB, etc. according to the IEEE 802.11x standard. PDA (Personal) having at least one wireless LAN communication means of the same wireless LAN communication means, and connected to the wireless LAN communication means provided in the card terminal 105 by a predetermined wireless LAN communication standard through the wireless LAN communication means It is preferable to include at least one or more portable terminals such as Digital Assistant (PID) and / or Portable Media Player (PMP).

In addition, the wireless LAN terminal 100 to which the card terminal 105 and a predetermined wireless LAN communication channel is connected, the PCS (Personal Communication System), GSM (Global System for Mobile) terminal operating based on the CDMA stack, smart A WLAN, Bluetooth, WiFi, UWB that conforms to (or is compatible with) the IEEE 802.11x standard in a mobile communication wireless LAN terminal 100 including at least one of a smart phone, a WCDMA terminal, an HSDPA terminal, and the like. Wireless LAN communication means including at least one of the wireless LAN communication means such as, and the like to connect to the wireless LAN communication means provided in the card terminal 105 and a predetermined wireless LAN communication standard through the wireless LAN communication means It is preferable to include at least one terminal.

In addition, the wireless LAN terminal 100 to which the card terminal 105 and a predetermined wireless LAN communication channel is connected may be connected to (WLAN), Bluetooth, Wi-Fi, UWB, etc. according to the IEEE 802.11x standard. At least one wireless LAN communication means of the same wireless LAN communication means, and the wireless LAN communication means provided in the card terminal 105 and the wireless LAN communication means for supporting the VoIP communication protocol connected to the wireless LAN communication standard It is preferable to include at least one or more dedicated wireless LAN terminal 100 (for example, IP phone).

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 connect 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 processor. And at least one electrical / electronic device and a circuit corresponding to the baseband unit, wherein the software functional configuration controls the operation of the antenna unit, the RF processor, the IF processor, and the baseband unit, and controls the operation. It includes a program for processing the 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. .

In addition, the relay server in performing the packet relay transmission function as described above, the wireless LAN terminal connected to the wireless LAN communication channel with the card terminal 105 through the bridge function of the protocol stack provided in the card terminal 105 The packet transmitted from 100 is blocked from flowing into the van server 110 for electronic payment processing, and / or another terminal device (and / or server) connected to the wireless communication network is connected to the van server 110. It is characterized in that it performs the function of a security server to block access to 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 the destination of the packet is the van server 110, and / or the packet includes the full payment authorization request for electronic payment processing. The relayed transmission of the received packet to the van server 110 for the electronic payment processing corresponding to the packet.

That is, the card terminal 105 having a bridge function of the communication protocol stack issuing a card issuing a card provided with at least one payment means to at least one or more customers via the van server 110 through the relay server By transmitting and receiving a payment approval request message and / or payment approval message and a payment server 115 provided in the company, the electronic payment procedure using the customer-owned card is performed.

Referring to FIG. 9A, the WCDMA / HSDPA-based wireless communication network includes a relay server and a dedicated communication network connecting the van server 110 and / or the van server 110 and the card issuer-side payment server 115. A series of network arrangements form a payment communication network (eg, a value added communication network) for the card terminal 105 to perform a predetermined electronic payment procedure using the customer-owned card.

Referring to FIG. 9B, the IEEE 802.16x based wireless communication network includes a relay server and a dedicated communication network connecting the van server 110 and / or the van server 110 and the card issuer payment server 115. A series of network arrangements form a payment communication network (eg, a value added communication network) for the card terminal 105 to perform a predetermined electronic payment procedure using the customer-owned card.

Referring to FIG. 9C, a dedicated communication network connecting the IEEE 802.11x-based external wireless communication network, a relay server, the van server 110 and / or the van server 110, and the card issuer payment server 115 may be provided. A series of network configurations that includes forms a payment communication network (eg, a value added communication network) for the card terminal 105 to perform a predetermined electronic payment procedure using the customer-owned card.

According to another exemplary embodiment of the present invention, a packet received by the relay server is generated in the WLAN terminal 100 connected to the card terminal 105 and a predetermined WLAN communication channel, and provided to the card terminal 105. When it is confirmed that the packet is 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 a bridge function of a protocol stack, the relay server may select the packet. It is characterized in that the transmission through the backbone network (BackBone Network) of the packet transmission destination server (and / or terminal).

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

For example, the 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 to a terminal device on the Internet and a P2P ( Peer To Peer) 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 terminal) on the ().

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 with a call terminal for VoIP on the VoIP network.

In addition, the card terminal 105 with a bridge function of the communication protocol stack is a terminal device on a predetermined external network (for example, a network connected through an application network and a predetermined gateway) connected to a predetermined application network connected to the backbone network. And a predetermined communication channel are 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 terminal and a communication channel on the VoIP network may be connected.

FIG. 10 illustrates a preferred functional configuration of a card terminal 105 performing a virtual WLAN AP function through a bridge function of a communication protocol stack according to another exemplary 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 wireless communication network of the communication network, and at least one wireless LAN communication means of wireless LAN communication means and / or wireless LAN communication means, the wireless LAN communication The preferred functional configuration of the card terminal 105 for bridging the means and the wireless communication means on a communication protocol stack, which will be apparent to those skilled in the art, will be described with reference to FIG. And at least one wireless communication means and a wireless LAN communication means to communicate the wireless communication means and the wireless LAN communication means. Would be able to infer a feature configuration of the card terminal 105 for the bridge on the protocol stack, the present invention includes all embodiments in which the inference method, not limited to the exemplary method shown in the figure 10.

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 shown, the card terminal 105 may be provided with only one wireless communication means of the wireless communication means, by which the present invention is not limited.

In FIG. 10, the wireless LAN communication means used by the card terminal 105 having the bridge function of the communication protocol stack includes at least one wireless LAN communication means and wireless communication means. Wireless LAN communication means provided in the card terminal 105 may be provided with only one of the wireless LAN communication means, the wireless LAN communication means, the wireless communication means, the present invention is not limited thereby.

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 255 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 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 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 260, an IEEE 802.11x communication processor 265 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 270 for processing to communicate with the wireless communication network.

According to the present invention, the card terminal 105 having a bridge function of the communication protocol stack is connected to the wireless LAN terminal 100 having a predetermined wireless LAN communication means and a predetermined wireless LAN communication channel to connect the wireless LAN. And a wireless LAN communication unit 250 for processing a predetermined wireless LAN communication corresponding to the communication channel.

In addition, the card terminal 105 equipped with a bridge function of the communication protocol stack may include a power supply unit 230 (eg, a power supply device and / or a battery) for supplying power required for the card terminal 105 to operate. And the like).

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 255. 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 routine that is software-loaded from a predetermined memory unit 255 (and / or chipset) into the execution memory to be processed by the processor to realize at least one predefined function. And / or generic term of the program data (hence, in the present invention, a small size 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 255. 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. Lose.

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 event (e.g., from the key table that stores (manages) 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 to an 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. 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. Security requirements, including integrity and / or nonrepudiation, etc., within the card terminal 105 without using an authentication server (or payment server 115) on the payment network. As a safety device for performing a reliable and reliable 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. ) Encrypts or decrypts, adds an authenticator that prevents forgery (or tampering) of the message, or provides important information in the process of performing the security request function. It characterized in that it performs the function of Chapter.

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 260 uses the W-CDMA and / or HSDPA-based wireless communication protocol to connect the card terminal 105 with a network component on the W-CDMA and / or HSDPA-based wireless communication network. Or wireless communication means for processing an HSDPA based communication protocol for 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., to process the radio frequency signal transmitted and received through the antenna in software in response to the W-CDMA and / or HSDPA based communication protocol in the RF processor, the IF processor, and the baseband unit). Firmware included in each device configuration, and / or a system program included in (or included in) the operating system of the card terminal 105). This is preferably done, with reference to Figure 3a above.

The IEEE 802.11x communication processor 265 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 270 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 255 is input and output when an operation by a predetermined program routine (or code) and / or program data (eg, 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 255 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 255 processes an address corresponding to an address to be allocated to the WLAN terminal 100 to which the card terminal 105 and the WLAN communication channel are connected through the WLAN communication unit 250. It is characterized by storing the information.

In order for the WLAN terminal 100 connected to the card terminal 105 and a predetermined WLAN communication channel to access (and / or communicate) with the communication network, the WLAN terminal 100 connected to the WLAN communication channel is connected to the WLAN terminal 100. Although a predetermined address usable in a wireless communication network should be allocated, in general, the WLAN terminal 100 is not assigned an address for accessing (and / or communicating) the wireless communication network, and / or the wireless communication network. An address that cannot be used by is assigned.

Therefore, the card terminal 105 is connected to the WLAN terminal 100 through the card terminal 105 in the process of connecting the WLAN terminal 100 with a predetermined WLAN communication channel (and / or communication). A predetermined address that can be used in a wireless communication network to be connected) 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 WLAN terminal 100.

According to an embodiment of the present invention, the WLAN terminal 100 can be used in the wireless communication network from a dynamic address allocation server (eg, a DHCP server, not shown) on the wireless communication network bridged through the card terminal 105. A predetermined address may be dynamically allocated, wherein the address processing information corresponds 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 that the information is included.

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 WLAN terminal 100 to which the WLAN communication channel is connected. In this case, the address processing information preferably includes address information (and / or address area information) to be assigned to the card terminal 105.

According to another embodiment of the present invention, the card terminal 105 is a predetermined virtual address (for example, IPv4 based IP address) to the wireless LAN terminal 100 to which the wireless LAN communication channel is connected, "192.168. 0.1 to 255 "), wherein the address processing information includes information for allocating a virtual address to the WLAN terminal 100.

According to the present invention, the memory unit 255 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, when a communication program routine providing a bridge function of the communication protocol is connected to the WLAN terminal 100 and a predetermined WLAN communication channel through at least one WLAN communication unit 250, An address processing unit 290 for allocating and processing an address for accessing (and / or communicating) the wireless communication network to the WLAN terminal 100, and reading the packet information transmitted and received on the protocol stack to read the packet. A bridge check unit 285 for checking whether to bridge or use the transmit / receive packet in the card terminal 105, and a protocol corresponding to the wireless LAN communication unit 250 when the check result is to bridge the transmit / receive packet. And a bridge function unit 275 which bridges the stack and the protocol stack corresponding to the communication processing unit.

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 285, confirms whether to convert the transmission and reception packet structure, and in accordance with the confirmation result And a protocol conversion unit 280 for converting the transmission / reception packet to be bridged on a protocol stack.

In general, the application program (and / or terminal program for electronic payment processing) provided in the card terminal 105 is characterized in that it works in conjunction with the highest layer on the communication protocol stack, and fully trust the communication protocol stack of the lower layer below To be manufactured and developed.

That is, an application program (and / or terminal program for electronic payment processing) included 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 layer may include the communication processing unit (eg, the WCDMA / HSDPA communication processing unit 260 and / or the IEEE 802.11x communication processing unit 265 and / or the IEEE 802.16x communication processing unit 270 and / or the IP-based communication processing unit, etc.). And / or a system program provided in the operating system of the card terminal 105, and / or operated by the system program provided in the card program, and the application program (and / or the terminal program for the electronic payment processing) There is no access to the lower layer communication protocol stack.

According to the present invention, in the communication protocol structure as described above, the bridge function unit 275 is a communication processing unit (e.g., WCDMA / HSDPA communication processing unit 260 and / or IEEE 802.11x communication processing unit provided in the card terminal 105). 265 and / or a communication protocol layer (eg, physical layer, data link layer) corresponding to the IEEE 802.16x communication processing unit 270 and / or the IP based communication processing unit and the operating system of the card terminal 105. And a logical bridge function layer that logically bridges a protocol layer corresponding to the WLAN communication unit 250 and a protocol layer corresponding to the external communication unit between the 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. 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 a main communication protocol stack is an IEEE 802.16x communication protocol (= card terminal 105 is connected (and / or connected) to the IEEE 802.16x based wireless communication network, the logical bridge function If the layer is provided in a specific layer of the IEEE 802.16x communication protocol layer, then the upper layer of the layer including the logical bridge function layer is implemented as the IEEE 802.16x 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 802.16x 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 processor 290 is stored in the memory unit 255 when a predetermined wireless LAN terminal 100 and a wireless LAN communication channel are connected through the wireless LAN communication unit 250 provided in the card terminal 105. It is characterized by assigning and processing a predetermined address for accessing (and / or communicating) the wireless communication network to the WLAN terminal 100 using address processing information.

According to an exemplary embodiment of the present invention, the address processing unit 290 extracts address processing information including dynamic address allocation server information existing on the wireless communication network from the memory unit 255, 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 WLAN terminal 100, and allocate the allocated address to the WLAN terminal 100. Accordingly, the WLAN terminal 100 connected to the card terminal 105 and a predetermined WLAN communication channel transmits the wireless communication network to the assigned address through a bridge function on a protocol stack provided in the card terminal 105. Can be connected to (and / or communicated with).

According to another exemplary embodiment of the present invention, the address processing unit 290 may assign predetermined address information (and / or address) to be allocated from the memory unit 255 to the WLAN terminal 100 to which the WLAN communication channel is connected. Extracting predetermined address processing information including area information) and allocating the predetermined address to the WLAN terminal 100 based on the address information (and / or address area information) included in the address processing information. Preferably, the WLAN terminal 100 to which the card terminal 105 is connected to a predetermined WLAN communication channel is connected to the allocated address through a bridge function on a protocol stack provided in the card terminal 105. It is possible to connect (and / or communicate) to a communication network.

According to another exemplary embodiment of the present invention, the address processing unit 290 may be allocated from the memory unit 255 to the WLAN terminal 100 to which the WLAN communication channel is connected (eg, another WLAN terminal). Extracts predetermined virtual address information (for example, "192.168.0.1 to 255" for an IPv4-based IP address), which is not duplicated with 100, and based on the virtual address information included in the address processing information. It is preferable to assign a predetermined address to the WLAN terminal 100, whereby the WLAN terminal 100 connected to the card terminal 105 and a predetermined WLAN communication channel is provided in the card terminal 105. The bridge function on the established protocol stack enables connection (and / or communication connection) to the wireless communication network with the assigned address.

According to the exemplary embodiment of the present invention, the address processor 290 allocates and processes a predetermined address obtained through the address processing information to the WLAN terminal 100 to which the WLAN communication channel is connected. It is preferable to directly allocate a predetermined address obtained in response to the address processing information in the WLAN terminal 100 to which the WLAN communication channel is connected. In such an embodiment, a predetermined address may be assigned to the WLAN terminal 100. A wireless LAN communication means operating on a basis is provided, and can be effectively implemented when the wireless LAN communication means is provided with a function configuration for dynamically allocating a predetermined address.

For example, when a function configuration for allocating a predetermined address is provided in the WLAN terminal 100 provided in the WLAN terminal 100 to which the card terminal 105 and the WLAN communication channel are connected (for example, When the WLAN communication means provided in the WLAN terminal 100 operates through address assignment), the address processing unit 290 sends the address obtained in response to the address processing information to the WLAN terminal 100. By providing, the address is dynamically allocated through the function of address assignment related function provided in the WLAN terminal 100.

According to the exemplary embodiment of the present invention, the address processor 290 allocates and processes a predetermined address obtained through the address processing information to the WLAN terminal 100 to which the WLAN communication channel is connected. It is preferable to logically allocate a predetermined address obtained in correspondence with the address processing information to the WLAN terminal 100 to which the WLAN communication channel is connected. Effective when the LAN communication means does not operate based on a predetermined address, and / or the WLAN communication means operates based on a predetermined address, but is not equipped with a function configuration for dynamically allocating the address. Can be implemented.

Here, logically allocating the address to the WLAN terminal 100 means that the card terminal 105 does not directly allocate a predetermined address obtained through the address processing information in the WLAN terminal 100. Processes the address in association with the WLAN communication channel information (and / or WLAN terminal 100 information) and temporarily stores the address, and then transmits the address from the WLAN terminal 100 to a wireless communication network through the WLAN communication channel. When a packet requested to be received is received, the card terminal 105 converts the packet into a packet structure that can be transmitted to the wireless communication network through the stored address, and / or the stored predetermined value in the card terminal 105. And adding (and / or inserting) an address of the packet to the wireless communication network.

Alternatively, when a packet to be finally received from the wireless communication network to the WLAN terminal 100 is received, the card terminal 105 compares the packet included in the received packet with the stored address to wirelessly compare the packet. Converting to a packet structure corresponding to a LAN communication channel and / or enhancing (and / or erasing) an address included in the received packet at the card terminal 105 and transmitting it to the WLAN terminal 100. It is made to include.

When the bridge check unit 285 receives a predetermined packet through a WLAN communication channel and a predetermined WLAN terminal 100 through the WLAN communication unit 250 provided in the card terminal 105 (for example, The packet transmitted from the WLAN terminal 100 flows into the card terminal 105), reads the received packet and uses the packet in the card terminal 105, and / or according to the present invention. It is characterized by checking whether or not to bridge to the wireless communication network through the bridge function of the protocol stack.

In addition, when the bridge check unit 285 bridges the packet to a protocol stack corresponding to the communication processing unit, the bridge check unit 285 checks whether the packet is a packet for payment processing or the packet for the WLAN connection. It is done.

According to an embodiment of the present invention, a packet received through the WLAN communication channel to the card terminal 105 may include packet information corresponding to each protocol layer from a lower layer on a protocol stack corresponding to the WLAN communication unit 250. The logical bridge function layer is reached while being provided to an upper layer while being removed, and the bridge identification unit 285 receives a packet including at least one packet information from a lower layer on a protocol stack corresponding to the WLAN communication unit 250. When the logical bridge function layer is reached, the packet information included in the packet (e.g., destination information to which the packet was last transmitted) is read to use the packet at the card terminal 105 and / or to the wireless communication network. It is advisable to check whether or not to transmit.

If it is confirmed that the packet is not bridged on the protocol stack, the packet is provided by the bridge function 275 to an upper layer of the logical bridge function layer and is provided in the card terminal 105. Processing through a program (and / or a terminal 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 275. Bridged to the stack and sent to the wireless network.

In addition, when a predetermined packet is generated in the card terminal 105 (for example, the bridge check unit 285), a packet generated in an upper layer of the main protocol stack provided in the card terminal 105 is the logical bridge. Reaches the functional layer), reads the generated packet and transmits the packet to a wireless communication network through a protocol stack corresponding to the communication processor, and / or to a protocol stack corresponding to the WLAN communication unit 250. It is characterized by checking whether to bridge.

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 to which 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 WLAN communication It is preferable to check whether to transmit to the WLAN terminal 100 through a channel.

If it is confirmed that the packet is not bridged on the protocol stack, the packet is transmitted by the bridge function 275 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 is transmitted to the wireless LAN communication unit 250 provided in the card terminal 105 through the logical bridge function layer by the bridge function unit 275. It is bridged to a protocol stack corresponding to and is transmitted to the WLAN terminal 100 through the WLAN 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 285 reads the received packet to use the packet in the card terminal 105. And / or whether to bridge to a predetermined WLAN 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 terminal program for electronic payment processing), and the bridge check unit 285 includes a packet including at least one packet information. When the logical bridge function layer arrives from the lower layer of the main protocol stack, the packet information included in the packet (for example, destination information to which the packet was last transmitted) is read, thereby making the packet available to the card terminal 105. And / or whether to transmit to the WLAN terminal 100 through the WLAN communication channel. It is desirable.

If it is confirmed that the packet is not bridged on the protocol stack, the packet is provided by the bridge function 275 to an upper layer of the logical bridge function layer and is provided in the card terminal 105. Processing through a program (and / or a terminal program for electronic payment processing).

On the other hand, if it is confirmed that the packet is bridged on the protocol stack, the packet is transmitted to the wireless LAN communication unit 250 provided in the card terminal 105 through the logical bridge function layer by the bridge function unit 275. It is bridged to a protocol stack corresponding to and is transmitted to the WLAN terminal 100 through the WLAN communication channel.

The protocol conversion unit 280 has a function of confirming whether or not to convert the transmission and reception packet structure when bridging the transmission and reception packet as a result of the verification by the bridge confirmation unit 285.

If it is confirmed that the transmission / reception packet structure needs to be converted, the protocol conversion unit 280 may convert the transmission / reception packet to be bridged on a protocol stack.

According to an embodiment of the present invention, if the packet is confirmed as a packet for payment processing, the protocol conversion unit confirms the packet to 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 embodiment of the present invention, the protocol conversion unit 280 may convert a packet corresponding to the WLAN communication unit 250 into a packet structure corresponding to the communication processing unit in the WLAN communication unit 250. Reading predetermined packet data by reading a packet encapsulating with a packet structure defined in a corresponding protocol stack, and encapsulating the read packet data into a packet structure defined in a protocol stack corresponding to the communication processor It is preferable to comprise a.

If the packet data size read from the packet corresponding to the WLAN communication unit 250 is not compatible with the packet data size of the packet corresponding to the communication processing unit, the protocol conversion unit 280 reads the read packet data. It is preferable to further comprise a function of buffering (Buffering) to make the read packet data size compatible.

According to another embodiment of the present invention, the protocol conversion unit 280 converts a packet corresponding to the wireless communication unit 250 into a packet structure corresponding to the communication processing unit, the wireless communication unit 250 Adding (or inserting) packet information that can be transmitted to a wireless communication network through a communication processing unit included in the card terminal 105 to a packet generated (and / or processed) in a packet structure defined in a protocol stack corresponding to It is preferable to include the process.

According to an embodiment of the present invention, the method of converting a packet structure corresponding to the wireless communication unit 250 into a packet corresponding to the communication processing unit by the protocol conversion unit 280 may include a protocol stack corresponding to the communication processing unit. A process of reading a packet data by reading an encapsulating packet in a packet structure defined in FIG. 2, and encapsulating the read packet data into a packet structure defined in a protocol stack corresponding to the WLAN communication unit 250. It is preferable to comprise a.

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 WLAN communication unit 250, the protocol converter 280 may read the read packet data. It is preferable to further comprise a function of buffering (Buffering) to make the read packet data size compatible.

According to another exemplary embodiment of the present invention, a method of converting a packet structure corresponding to the wireless communication unit 250 into a packet corresponding to the communication processing unit by the protocol conversion unit 280 may include a protocol corresponding to the communication processing unit. Removing (or erasing) packet information that is not compatible with the protocol stack corresponding to the WLAN communication unit 250 among the packet information included in the packet generated (and / or processed) in the packet structure defined in the stack. It is preferable to comprise.

Hereinafter, a card terminal having a bridge function of the communication protocol stack based on a wireless communication means and / or a wireless LAN communication means supporting a communication protocol stack compatible with an 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 WLAN terminal 100 and / or at least one WLAN terminal 100 accessing (and / or communicating) an x-based wireless network and including a protocol stack compatible with the OSI 7 layer. When a predetermined WLAN communication channel is connected, an embodiment of the present invention relates to a logical bridge functional layer for bridging a communication protocol stack corresponding to the WLAN communication channel and a communication protocol stack corresponding to an external communication network. Is assigned to an upper layer (and / or sublayer of a network layer) of a datalink layer on a communication protocol compatible with the OSI 7 layer. FIG. 11B illustrates an implementation method including a logical bridge function layer providing a bridge function of the communication protocol stack, and FIG. 11B illustrates an upper layer (and / or a part of a transport layer) of a network layer on a communication protocol compatible with the OSI 7 layer. Layer is a logical bridge function layer providing a bridging function of the communication protocol stack, and FIG. 11C illustrates an upper layer (and / or session) of a transport 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 that provides a bridge function of the communication protocol stack, and FIG. 11D illustrates an upper layer (and a session layer) of a session layer on a communication protocol compatible with the OSI 7 layer. / Or the sublayer of the presentation layer) the bridge function of the communication protocol stack Exemplary method illustrates a logical bridge is provided with a function layer that.

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 (and / or connected) to an external communication network (e.g., 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.) While various implementations may be inferred for the logical bridge functional layer that bridges the corresponding communication protocol stack and the communication protocol stack corresponding to the external communication network, the present invention encompasses all of the inferred implementation methods and is shown in FIG. 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 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 embodiment of the present invention, some of the wireless LAN communication unit 250 which is not compatible with the OSI 7 layer structure also includes a function configuration unit corresponding to the physical layer of the OSI 7 layer and the MAC layer of the OSI 7 layer. The wireless LAN communication unit 250, which is not compatible with the OSI 7 hierarchical structure, also includes a corresponding functional configuration unit. The wireless LAN communication unit 250 also includes an upper layer of a layer corresponding to the physical layer and the MAC layer of the OSI 7 layer. It is possible to define a logical bridge function layer that provides a bridge function of a communication protocol stack, by which the present invention is not limited.

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 WLAN 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.

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 a 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 wireless terminal provided in the card terminal 105 And transmitting and receiving bridges to and from the MAC layer (and / or LLC layer) and the physical layer of the LAN communication protocol stack.

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 and MAC layer of the WLAN communication protocol stack provided in the card terminal 105 in an upper layer (and / or a transport layer). Or LLC layer) and a physical layer on a 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 a 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 wireless terminal provided in the card terminal 105 And transmitting and receiving bridges to a network layer, a MAC layer (and / or LLC layer) and a physical layer of a LAN communication protocol stack.

If the network layer does not exist in the protocol stack corresponding to the WLAN communication unit 250 in the embodiment illustrated in FIG. 11B, an upper layer (and / or transmission) of the network layer of the IEEE 802.16x based communication protocol stack is present. The logical bridge function layer included in the layer includes a network layer, a MAC layer and a physical layer of the IEEE 802.16x communication protocol stack, and a MAC layer of a WLAN communication protocol stack provided in the card terminal 105. It is possible to bridge the (and / or LLC layer) and the physical layer directly on the protocol stack, whereby 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 the transport layer, network layer of the wireless LAN communication protocol stack provided in the card terminal 105 , Bridge the MAC layer (and / or LLC layer) and the physical layer on the protocol stack.

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. In addition to the function of transmitting and 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, a wireless LAN provided in the card terminal 105 And transmitting and receiving bridges to a transport layer, a network layer, a MAC layer (and / or LLC layer) and a physical layer of the communication protocol stack.

If the network layer and the transport layer do not exist in the protocol stack corresponding to the WLAN communication unit 250 in the embodiment illustrated in FIG. 11C, the upper layer of the transport layer of the IEEE 802.16x based communication protocol stack (and And / or a sublayer included in the session layer), the logical bridge function 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 wireless LAN provided in the card terminal 105. It is possible to bridge the MAC layer (and / or LLC layer) and the physical layer of the communication protocol stack directly on the protocol stack, thereby not limiting the invention.

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. In the upper layer (and / or presentation layer) of the IEEE 802.16x communication protocol stack of the physical layer, MAC layer, network layer, transport layer and session layer of the wireless LAN communication protocol stack provided in the card terminal 105 Bridge the session layer, transport layer, network layer, MAC layer (and / or LLC layer) and 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. It is characterized in that it further comprises bridged and transmitted to the session layer, transport layer, network layer, MAC layer (and / or LLC layer) and the physical layer of the provided WLAN communication protocol stack.

If there is no network layer and / or transport layer and / or session layer in the protocol stack corresponding to the WLAN communication unit 250 in the method illustrated in FIG. 11D, the IEEE 802.16x based communication protocol stack The logical bridge function layer provided in an upper layer (and / or sub-layer included in the presentation layer) of the session 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. It is possible to directly bridge the MAC layer (and / or LLC layer) and the physical layer of the WLAN communication protocol stack provided in the card terminal 105 on the protocol stack, by which the present 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 according to an embodiment of the present invention bridges a WLAN terminal 100 to a wireless communication network.

12A and 12B 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. 11A. Implementation of a protocol stack structure for bridging the wireless LAN terminal 100 to which the card terminal 105 and at least one wireless LAN communication channel are connected through the bridge function of the protocol stack according to the present invention in the provided card terminal 105. As an example, specifically, FIG. 12A 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. A wireless LAN terminal 100 connected to a wireless LAN communication channel including at least one of WLAN and / or Bluetooth and / or Wi-Fi and / or UWB is connected to the logical network. It is a protocol stack structure for bridging the IEEE 802.16x based wireless communication network through a functional layer. FIG. 12B shows that the card terminal 105 is connected (and / or connected to) an IEEE 802.16x based wireless communication network. Recalling a WLAN terminal 100 connected to a WLAN communication channel including at least one WLAN (WLAN) and / or Bluetooth and / or WiFi and / or UWB conforming to (or compatible with) the IEEE 802.11x standard in a state; The protocol stack structure for bridging to the card terminal 105 via a logical bridge functional 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 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 of bridging the WLAN terminal 100 to which the WLAN communication channel including at least one Bluetooth and / or WiFi and / or UWB is connected through the logical bridge function layer. The present invention 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 wireless terminal by referring to and / or modified with reference to Figures 12a and 12b. In addition to the LAN communication means, various embodiments of the method for bridging the WLAN terminal 100 connected to at least one WLAN communication channel through the logical bridge function layer through the WLAN communication means may be inferred. It 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), 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 is provided in the upper layer (and / or sub-layer of the network layer) of the data communication layer of the WLAN communication means) provided in the mutually compatible protocol layer, the external communication means An implementation method provided in an upper layer (and / or a sublayer of a transport layer) of the network layer of the network layer, and / or the logical bridge function layer is an upper layer (and / or network layer) of the datalink layer of the WLAN communication means. In the sublayer of the external communication means, and in the upper layer of the transport layer of the external communication means (and / or the sublayer of the session layer). 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 WLAN communication means, and an upper layer (and / or of a session layer of external communication means). Or an implementation method provided in a sublayer of a presentation layer) or an implementation method provided in a mutually compatible protocol layer inferred from the illustrated embodiment method, but the present invention is inferred from the above. It includes all implementation methods, and is not limited to the implementation methods shown in FIGS. 12A and 12B.

12A and 12B, the WLAN terminal 100 to which the card terminal 105 and at least one WLAN 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 to which the present invention pertains, the WLAN terminal 100 to which the card terminal 105 and at least one WLAN communication channel are connected. ) May be provided with only a predetermined physical layer and a MAC layer, and / or may be provided with a predetermined protocol layer above the physical layer and the MAC layer, and the protocol stack provided in the WLAN terminal 100 includes the OSI. It is not necessary to satisfy the seven-layer structure, whereby the present invention is not limited.

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 including a payment approval request message) is transmitted to the van server 110 through a wireless communication network based on a protocol stack, and / or a packet generated by the van server 110 (eg, including a payment approval message). Since the packet) will be familiar with the process of receiving the card terminal 105 through the wireless communication network based on the protocol stack, 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 FIG. 12A illustrating a protocol stack for bridging a WLAN terminal 100 connected to a WLAN communication channel including at least one UWB to the IEEE 802.16x based wireless communication network through the logical bridge function layer. For reference, the packet to be transmitted from the WLAN terminal 100 to a server (and / or terminal) on an IEEE 802.16x based wireless communication network to which the card terminal 105 is connected (and / or communication connected) is the wireless. A protocol stack provided in the WLAN terminal 100 by repeating a process generated in an application layer provided in the LAN terminal 100 and provided to a lower layer of a next step while adding predetermined packet information. It reaches the physical layer of the MAC sub-layer.

Thereafter, the packet is provided to the card terminal 105 through a WLAN communication channel including a physical layer provided in the WLAN terminal 100 and a WLAN communication side physical layer provided in the card terminal 105. It is received at the WLAN communication side physical layer and flows into the logical bridge function layer via the WLAN communication side MAC layer provided in the card terminal 105.

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 802.1 802.1 over a wired communication interval connecting the server (and / or terminal) 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 6x 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 terminal).

Therefore, the relay server is the TCP / IP (and / or UDP / IP) wireless communication network through the server (and / or terminal) side MAC layer (not shown) and the physical layer (not shown) provided in the relay server The packet is transmitted to a physical layer on a protocol stack provided in a packet transmission target server (and / or a terminal) provided on the packet.

If the packet is generated in the card terminal 105 and transmitted through the wireless communication network, and the destination of the packet is the van server 110, and / or the request for payment approval for electronic payment processing to the packet If the full message is included, the relay server includes the packet in the van server 110 through the MAC layer (not shown) and the physical layer (not shown) provided in the relay server. Send to the physical layer on the protocol stack.

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

In addition, a packet to be transmitted from the server (and / or terminal) on the IEEE 802.16x based wireless communication network to which the card terminal 105 is connected (and / or communication connection) to the WLAN terminal 100, the server ( And / or generated by the application layer provided in the terminal) and the predetermined packet information is added to the next layer to repeat the process to reach the physical layer of the protocol stack provided in the server (and / or terminal). Then, the packet is a wired communication section for connecting a server (and / or terminal) and a backbone network on the IEEE 802.16x-based wireless communication network, a wired line connecting the network component on the backbone network and the IEEE 802.16x-based wireless communication network Communication section and network components (e.g., base station (RAS)) on the IEEE 802.16x based wireless communication network and water of the protocol stack of the IEEE 802.16x based wireless network side provided in the card terminal 105 Received to the logical layer is introduced into the logical bridge functional layer via the MAC layer of the wireless LAN communication side provided in the card terminal 105.

Thereafter, the logical bridge function layer bridges the incoming packet to the WLAN terminal 100 to which the WLAN terminal 100 is connected to the card terminal 105, and / or is provided to the card terminal 105. Make sure to bridge it for use by your application.

If it is confirmed that the packet is bridged to the WLAN terminal 100 to which the card terminal 105 and the WLAN communication channel are connected, the logical bridge function layer further performs the packet structure conversion process according to an implementation method. After performing the packet, the packet is transmitted to the WLAN terminal 100 through a WLAN communication channel including a physical layer of the protocol stack of the WLAN communication side and a protocol stack provided in the WLAN terminal 100. Received to the physical layer on the provided protocol stack.

Thereafter, the packet is provided to an application layer 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 the WLAN 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 wireless LAN terminal 100 connected to a wireless LAN 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 WLAN terminal 100 to a server (and / or terminal) on an IEEE 802.16x based wireless communication network to which the card terminal 105 is connected (and / or connected) is the WLAN terminal. Repeated process generated in the application layer provided in the (100) and provided to the lower layer of the next step while the predetermined packet information is added to the lower layer of the MAC layer of the protocol stack provided in the After reaching the physical layer, the packet terminal through the WLAN communication channel comprising a physical layer provided in the WLAN terminal 100 and a WLAN communication side physical layer provided in the card terminal 105. It is received at the wireless LAN communication side physical layer provided in the 105 and flows into the logical bridge functional layer via the MAC layer of the wireless LAN communication side provided in the card terminal 105.

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 WLAN 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 WLAN terminal 100 connected to the card terminal 105 and the WLAN communication channel, and / or the card terminal 105 is connected ( And / or communication connection) to bridge to an IEEE 802.16x based wireless communication network.

If it is confirmed that the packet is bridged to the WLAN terminal 100 to which the card terminal 105 and the WLAN communication channel are connected, the logical bridge function layer further performs the packet structure conversion process according to an implementation method. After performing the packet, the packet is transmitted to the WLAN terminal 100 through a WLAN communication channel including a physical layer of the protocol stack of the WLAN communication side and a protocol stack provided in the WLAN terminal 100. Received to the physical layer on the provided protocol stack.

Thereafter, the packet is provided to an application layer 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 the WLAN 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 255 (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 WLAN terminal 100 and at least one WLAN communication channel (e.g., WLAN). It is periodically checked whether a communication channel, a wireless LAN communication channel, etc.) are connected (1325).

If at least one WLAN terminal 100 and at least one WLAN communication channel are not connected (1330), the card terminal 105 performs a predetermined electronic payment processing function provided in the card terminal 105. It is checked 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 wireless LAN terminal 100 and a wireless LAN 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 is a process of confirming that at least one WLAN terminal 100 and the wireless LAN communication channel is connected and the electronic terminal provided in the card terminal 105 The process of confirming that the payment 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 115 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 is provided with an electronic payment process in which the payment processing result is periodically transmitted through a van to a predetermined payment server 115 through a payment communication network including the wireless communication network). In the process of performing the payment processing function, 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 the at least one WLAN terminal 100 and the WLAN communication channel are also connected and 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 determined that at least one WLAN terminal 100 and at least one WLAN communication channel are connected to the card terminal 105 (1330), the card terminal 105 performs the bridge function of the protocol stack according to the present invention. In operation 1365, an address assignment procedure for the WLAN terminal 100 to which the WLAN communication channel is connected is provided.

According to an embodiment of the present invention, the address assignment procedure for the WLAN terminal 100 may include a predetermined address obtained in correspondence with the address processing information in the WLAN terminal 100 to which the WLAN communication channel is connected. It is desirable to include a procedure for direct assignment.

According to another exemplary embodiment of the present invention, the address assignment procedure for the WLAN terminal 100 may include: a predetermined address obtained in correspondence with the address processing information to the WLAN terminal 100 to which the WLAN communication channel is connected; It is desirable to include a procedure for logically allocating a.

If the address allocation to the WLAN terminal 100 is completed (1370), the card terminal 105 is a protocol stack according to the present invention for the packet transmitted and received in the WLAN communication channel through the logical bridge function layer Waiting for the bridge function processing of (1375), 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, the packet transmitted and received on the WLAN communication channel Preferred bridging process will be described in detail with reference to FIGS. 14A and 14B shown below.

14A and 14B illustrate an operation process of a card terminal 105 providing a bridge function for a packet transmitted / received through a wireless LAN communication channel connected to a card terminal 105 through a logical bridge function layer according to another 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 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 WLAN communication channel connected to the card terminal 105. Specifically, FIG. An embodiment of the present invention relates to a method of bridging a packet introduced into the logical bridge function layer through a LAN communication channel on a protocol stack to a wireless communication network connected to (and / or communicating with) the card terminal 105. FIG. Write down the packet flowing into the logical bridge functional layer through the communication network connected to the card terminal 105 Of one or more of the wireless LAN communication channel is for the exemplary method for the bridge on the protocol stack to the WLAN communication channel that should receive the packet.

Those skilled in the art to which the present invention pertains, the packet is transmitted and received in the WLAN communication channel connected to the card terminal 105 through the logical bridge functional layer by referring to and / or modified in this figure 14a and 14b. Various implementation methods for providing a bridge function for the present invention 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 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 WLAN terminal 100 through the LAN side physical layer and the MAC layer and flows into the logical bridge function layer (1400a).

If the packet received from the WLAN 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 the packet to the application program (and / or protocol layer corresponding to the electronic payment processing terminal program) to process the packet (1420a), whereby the packet is transmitted to the card terminal ( 105 is provided to an application program (and / or an electronic payment processing terminal program) to receive and process the packet, and then the card terminal 105 (e.g., an application program to receive and process the packet (and / or electronic). The payment processing terminal program)) performs a predetermined data processing procedure for the data included in the packet (1425a).

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

In addition, the data contained in the packet is a wireless communication network to which the card terminal 105 is connected (and / or communication connection) by the WLAN terminal 100 to which the WLAN communication channel is connected through the card terminal 105. It may include data for requesting an address assignment for accessing (and / or communication connection), in this case, the application program (and / or electronic payment processing terminal program) receiving the packet is the WLAN terminal 100 Performs a data processing procedure for allocation of the requested address.

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 (1445a) by bridging the packet on the protocol stack by providing the packet to the wireless network side MAC layer and physical layer to which the card terminal 105 is connected (and / or connected) through the logical bridge function layer. To the wireless communication network.

Subsequently, the wireless communication network is transmitted from the card terminal 105 (for example, the protocol stack provided in the card terminal 105 by being transmitted from the WLAN terminal 100 to which the card terminal 105 and the wireless LAN communication channel are connected). A packet transmitted to a wireless communication network through a bridge function of the wireless communication network) to a predetermined relay server (1450a), and then the relay server relays the received packet to the van server 110, and / or The relay server confirms that the received packet is received from the WLAN terminal 100 to which the card terminal 105 and the predetermined WLAN communication channel are connected. do.

Accordingly, the relay server relays the received packet to the packet transmission target server (and / or terminal) (1455a), and the server (and / or terminal) that receives the packet processes information corresponding to the packet. Perform a function, generate a predetermined packet including the information processing result (1460a), and transmit the packet generated including the information processing result to the card terminal 105 through the wireless communication network and the relay server. In operation 1465a, the card terminal 105 receiving the packet provides the packet to the WLAN terminal 100 through a bridge function of the protocol stack as shown in FIG.

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 a server (and / or terminal) on the wireless communication network through the communication network side physical layer and the MAC layer and flows into the logical bridge function layer (1400b).

If the packet received from the WLAN 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 wireless LAN communication channel connected to the card terminal 105 for the packet introduced into the logical bridge function layer It is checked whether or not to bridge (1410b).

If the packet flowing into the logical bridge function layer is not bridged to the WLAN communication channel on the protocol stack (1415b), the card terminal 105 passes the packet through the logical bridge function layer to a higher protocol of the protocol stack. A layer (e.g., a protocol layer corresponding to an application program (and / or a terminal program for electronic payment processing) to receive and process the packet at the card terminal 105), thereby providing the packet to the card. The terminal 105 is provided to an application program (and / or a terminal program for electronic payment processing) to receive and process the packet, and then the card terminal 105 (eg, an application program to receive and process the packet). Or an electronic payment processing terminal program) performs a predetermined data processing procedure for the data included in the packet (1425b).

According to an embodiment of the present invention, the data contained in the packet is transmitted from the card terminal 105 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 full payment approval request sent to the card terminal, the card terminal 105 receiving the payment approval full message is the payment approval result data included in the payment approval full text card terminal ( A data processing procedure for outputting to the screen output device provided at 105 and / or printing on a predetermined receipt is performed.

On the other hand, if a packet introduced into the logical bridge function layer is bridged to the WLAN communication channel on a protocol stack (1415b), the card terminal 105 includes at least one packet information included in the packet through the logical bridge function layer. (E.g., packet identifier, and / or packet sender address, and / or packet receiver address, etc.) to receive and process the packet among at least one wireless LAN communication channel connected to the card terminal 105. Check the WLAN 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 WLAN communication channel through the logical bridge function layer (1435b).

If the check result indicates that the packet structure of the bridge target packet needs to be converted (1440b), the card terminal 105 has a packet structure capable of transmitting the bridge target packet to the WLAN communication channel through the logical bridge function layer. The conversion is made (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 WLAN communication channel (1445b), the card terminal 105 transmits the packet to the WLAN 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 is bridged on a protocol stack and transmitted to the WLAN 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 a wireless communication channel connected to a card terminal 105 through the logical bridge function layer. It would be possible to infer various implementation methods that provide a bridge function for a packet, but the present invention includes all implementation methods inferred above, 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 wireless LAN communication channel connected to the card terminal 105.

According to an embodiment of the present invention, a packet approval request generated in response to the electronic payment processing function is transmitted from the card terminal 105 to the predetermined payment server 115 via the wireless communication network and the van server 110. It is preferable to include the full text.

If the packet introduced into the logical bridge function layer is not bridged to the WLAN communication channel on a protocol stack (1515), the card terminal 105 passes the packet through the logical bridge function layer to the card terminal 105. This connection (and / or communication connection) is provided to the MAC layer and the physical layer on the wireless network side connected (1520), so that the packet is bridged on a protocol stack and transmitted to the wireless network.

According to the exemplary embodiment of the present invention, a packet provided to the wireless communication network side MAC layer and the physical layer and transmitted to the wireless communication network is transferred from the card terminal 105 to the predetermined payment server via the wireless communication network and the van server 110. It is preferable to include the full payment approval request to be sent to (115).

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 110 and / or to a predetermined transmission target server (and / or terminal), 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 110 (1530), and the van server 110 receiving the packet transmits the packet (and / or the full payment approval request) to the payment. The payment server 115 which transmits to the server 115 (1535) and receives the packet (and / or payment approval request message) performs an electronic payment processing procedure corresponding to the payment approval request message included in the packet. After generating a packet corresponding to the electronic payment processing result (eg, a packet including a payment approval message) (1540), the packet generated corresponding to the electronic payment processing result is passed through the van server 110. The card terminal 105 is transmitted to the card terminal 105 via a wireless communication network (1545), and the card terminal 105 receiving the packet completes the electronic payment processing procedure through a bridge function of a protocol stack as shown in FIG. 14B. do.

On the other hand, if a packet introduced into the logical bridge functional layer is bridged to the WLAN communication channel on a protocol stack (1515), the card terminal 105 is connected to the packet terminal through the logical bridge functional layer. Among at least one WLAN communication channel connected to the card terminal 105 by reading at least one packet information included (eg, packet identifier, and / or packet sender address, and / or packet receiver address). A predetermined WLAN communication channel for receiving and processing the packet is identified (1550).

According to an embodiment of the present invention, a packet to be bridged and transmitted to the WLAN communication channel transmits a response (and / or a WLAN communication channel connection result) to the WLAN communication channel connection request requested from the WLAN terminal 100. Preferably, the wireless LAN terminal 100 receiving the packet is connected to the wireless communication network to which the card terminal 105 connects (and / or communicates) through the wireless LAN communication channel. Or further performing an address assignment procedure for communication connection, and / or using a bridge function of a protocol stack provided in the card terminal 105 through the wireless LAN communication channel. And / or communication connection) A predetermined communication channel may be connected to at least one server (and / or terminal) provided on a wireless communication network.

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

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 WLAN communication channel through the logical bridge function layer (1555).

If the check result indicates that the packet structure of the bridge target packet needs to be converted (1560), the card terminal 105 may transmit the bridge target packet to the WLAN 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 to the WLAN communication channel (1565), the card terminal 105 transmits the packet to the WLAN 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 (1570). It is bridged on a protocol stack and transmitted to the WLAN 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 inferred implementation method, 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, but a network operating apparatus (eg, the terminal is a CDMA based mobile communication terminal) on the communication network to which the terminal is currently connected. When connected to a mobile 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, etc.) provided in the mobile communication network. This 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, and the terminal And 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 changing the name of the terminated program file. .

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, the card terminal having a function of accessing at least one wireless communication network and at least one local area communication function and having a logical bridge function layer for providing a bridge function of the protocol stack are installed in a card terminal located at an affiliated store. An advantage of providing a virtual WLAN access point function for connecting a wireless communication network to at least one wireless LAN terminal located in the affiliate store while the terminal performs an electronic payment function provided in the card terminal using a wireless communication network as a value added communication network. There is this.

Claims (6)

A wireless LAN communication unit for connecting wireless LAN 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 a terminal connected through the WLAN communication unit and received in a physical layer of a protocol stack corresponding to the WLAN communication unit, the received packet information is read to correspond to the communication processor. A bridge checking unit for checking whether to bridge the protocol stack and for 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 wireless LAN connection; 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 predetermined server (and / or a packet corresponding to at least one wireless LAN communication standard) provided on the wireless communication network (and / or a communication network interworking with the wireless communication network) through the communication processor. Or a protocol conversion unit for converting the packet structure transmitted to the terminal); And And a bridge function unit for bridging the converted packet to a protocol stack corresponding to the communication processor. The communication processing unit, Card terminal having a virtual wireless LAN access point using a wireless communication network, characterized in that for transmitting the bridged packet to the wireless communication network. A wireless LAN communication unit for connecting wireless LAN 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 received from the wireless communication network to the physical layer of the protocol stack corresponding to the communication processing unit through the communication processing unit, the received packet information is read and bridged the packet to a protocol stack corresponding to the WLAN communication unit. Bridge check unit to check whether or not; As a result of confirming the bridge checking unit, when the packet is bridged to a protocol stack corresponding to the WLAN communication unit, a protocol for converting a packet received by the protocol stack corresponding to the communication processing unit into a packet structure corresponding to the WLAN standard A conversion unit; And And a bridge function unit for bridging the converted packet to a protocol stack corresponding to the wireless LAN communication unit. The wireless LAN communication unit, The card terminal having a virtual wireless LAN access point using a wireless communication network, characterized in that for transmitting the bridged packet to the terminal connected to the wireless LAN communication unit. The method according to claim 1 or 2, 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 Secure Sockets Layer (SSL) and / or Wireless Transport Layer Security (WTLS) and / or Authentication, Authorization and Accounting (AAA). Card terminal having a virtual wireless LAN access point function using a wireless communication network. The method of claim 1, wherein the bridge function unit, When a packet received in a physical layer of a protocol stack corresponding to the WLAN communication unit flows into a data link layer (and / or a 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 communication processor, and / or on a protocol stack corresponding to the WLAN communication unit 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 WLAN communication unit flows into the network layer, Bridge the packet to a network layer of a protocol stack corresponding to the communication processor, and / or to a protocol layer compatible with a network layer of a protocol stack corresponding to the WLAN communication unit 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 WLAN communication unit flows into the transport layer, Bridge the packet to a transport layer of a protocol stack corresponding to the communication processor, and / or to a protocol layer compatible with a transport layer of a protocol stack corresponding to the WLAN communication unit 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 WLAN communication unit flows into the session layer, Bridge the packet to a session layer of a protocol stack corresponding to the communication processor, and / or to a protocol layer compatible with the session layer of a protocol stack corresponding to the WLAN communication unit 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 WLAN 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 a protocol layer compatible with the presentation layer of a protocol stack corresponding to the WLAN communication unit on a protocol stack corresponding to the communication processor. Card terminal having a virtual wireless LAN access point using a wireless communication network characterized in that the bridge. 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 WLAN communication unit, and / or Bridge the protocol stack corresponding to the WLAN communication unit to a protocol layer compatible with the data link layer (and / or the medium access control layer) of the protocol stack corresponding to the communication processor; When a packet received in the physical layer of the protocol stack corresponding to the communication processor flows into the network layer, Bridge the packet to a network layer of a protocol stack corresponding to the wireless LAN 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 wireless LAN communication unit. Characterized in that, When a packet received in the physical layer of the protocol stack corresponding to the communication processor flows into the transport layer, Bridge the packet to a transport layer of a protocol stack corresponding to the WLAN 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 the existing WLAN communication unit. Characterized in that, When a packet received in the physical layer of the protocol stack corresponding to the communication processor flows into the session layer, Bridge the packet to a session layer of a protocol stack corresponding to the WLAN 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 WLAN communication unit. Characterized in that, 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 the presentation layer of the protocol stack corresponding to the WLAN communication unit, and / or the protocol layer compatible with the presentation layer of the protocol stack corresponding to the communication processing unit on the protocol stack corresponding to the WLAN communication unit. Card terminal having a virtual wireless LAN access point using a wireless communication network, characterized in that bridged to. 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 5.

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