KR20180003512A - Method for Interworking Different Network - Google Patents

Abstract

According to a method for linking heterogeneous networks, the method is performed in a wireless communication device which comprises: a short-distance communication unit connected to an IP-based short-distance communication network by performing short-distance wireless communication with a short-distance wireless communication connection unit provided in a short distance; and a wireless communication unit connected to an IP-based mobile communication network that passes through a base station of a mobile communication network, such that the wireless communication device is capable of performing multiple connections to heterogeneous IP-based communication networks including the IP-based mobile communication network and the IP-based short-distance communication network. The method is configured such that the connection with the IP-based short-distance communication network that passes through the short-distance wireless communication connection unit is performed, it is confirmed whether the short-distance wireless communication with the short-distance wireless communication connection unit is unstable or unconnected, and the wireless communication device performs the connection to the IP-based mobile communication network that passes through the base station not the IP-based short-distance communication network without network switch interference of an operator of the mobile communication network when it is determined that the short-distance wireless communication is unstable or disconnected.

Description

{Method for Interworking Different Network}

The present invention provides a mobile communication system including a wireless communication unit having a local communication unit for short-range wireless communication with a short-range wireless communication connection unit provided at a short distance and connecting to an IP-based local area network and connecting to an IP-based mobile communication network via a base station of the mobile communication network, A method of performing in a wireless communication device capable of multiple connections to heterogeneous IP based communication networks including an IP-based mobile communication network and an IP-based local area network, the method comprising: connecting to an IP- based local area network via the local area wireless communication connection, If the short range wireless communication is unstable or is disconnected, the wireless communication device may not transmit the base station that is not the IP based short range communication network by the wireless communication device without intervention of the network operator of the mobile communication network. IP based via It relates to a network interworking of different types of method for processing so as to connect to the network.

A telematics system provided by the intelligent computing technology is provided in the vehicle. Telematics provides various services such as traffic information, emergency response, remote vehicle diagnosis, internet use (eg, financial transaction, news, mail, etc.) to the driver and passengers through a Global Positioning System (GPS) Which can basically be based on mobile computing technology, but is different from known mobile computing technology.

For example, while the known mobile computing technology has to abandon much of its computing power to provide portability and mobility to the user, telematics is provided in the vehicle, It is possible to provide almost the same computing performance.

In addition, although the computing performance of telematics is almost the same as that of fixed computing, there is a distinctive feature that distinguishes it from fixed computing in terms of user interface and / or utilization of resources.

For example, telematics uses voice recognition (Speech Recognition) in addition to key input to the information input interface to secure the safety of the driver, and voice output (Text To Speech; TTS) is used in addition to the screen output portion in the user output interface. Further, even when a sound is output to a driver, for example, a sound output apparatus provided in the vehicle is shared and utilized without using a separate sound output apparatus.

In other words, telematics has high performance computing capabilities and includes computing features that can be moved through the vehicle. This means that telematics has a limited networking performance compared to fixed computing, and also includes the problem of networking included in known mobile computing (for example, additional cost of communication fee in addition to content usage fee in content provisioning).

Telematics, on the other hand, contains different features compared to known mobile computing, and the mobility of telematics includes a certain pattern. For example, a vehicle equipped with telematics should visit a gas station periodically to inject fuel, and the vehicle must park in a designated parking lot.

An object of the present invention is to provide a wireless communication unit having a short range communication unit for short distance wireless communication with a short range wireless communication connection unit provided at a short distance and connecting to an IP based short distance communication network and connecting to an IP based mobile communication network via a base station of the mobile communication network A method of executing in a wireless communication apparatus capable of multiple connections to different types of IP-based communication networks including the IP-based mobile communication network and an IP-based local area network, the method comprising: connecting to an IP- based local area network The method comprising: a first step of checking whether short-range wireless communication with a communication connection unit is unstable or disconnected; and, if the short-range wireless communication is unstable or disconnected, A base station that is not a communication network. It is a network interworking method of a second step of processing to connect to an IP-based mobile communication network to two kinds of oil to provide.

A heterogeneous network interworking method according to the present invention comprises a short-range communication unit for short-range wireless communication with a short-range wireless communication connection unit provided at a short distance and connecting to an IP-based local area network and connecting to an IP-based mobile communication network via a base station of the mobile communication network A method for performing a method in a wireless communication apparatus having a wireless communication unit and capable of being connected to a heterogeneous IP based communication network including the IP based mobile communication network and an IP based local communication network, The method comprising: a first step of checking whether short-range wireless communication with the short-range wireless communication connection unit is unstable or disconnected after the first short-range wireless communication unit is connected to the wireless communication apparatus; Lt; RTI ID = 0.0 > IP- And a second step of connecting to an IP-based mobile communication network via a base station rather than a communication network.

In the interworking method of heterogeneous communication networks according to the present invention, the first step is a step of connecting to an IP-based local area network via the local area wireless communication connection unit, And the second step further comprises the step of, if the short-range wireless communication is unstable or disconnected, transmitting, by the wireless communication device, to the base station, not the IP-based local area network, To the IP-based mobile communication network via the IP-based mobile communication network, and requesting the server to receive and request the content through the IP-based mobile communication network.

In the interworking method of heterogeneous communication networks according to the present invention, in the first step, when contents are received through the IP based local area network, unique identification information designated to a designated server for providing contents through the IP based local area network is transmitted And receiving the content.

In the heterogeneous network interworking method according to the present invention, the first step may further include storing and maintaining the unique identification information.

In the second step, when the network is switched from the IP based local area network to the IP based mobile communication network, a communication session with the server via the IP based local area network is performed in the IP based mobile communication network And is inherited as a communication session and is identified as the same as before the network switching even after the network switching.

In the interworking method of heterogeneous communication networks according to the present invention, in the second step, when content is received through the IP-based mobile communication network, unique identification information transmitted to a designated server for receiving contents via the IP- To the server through the IP-based mobile communication network, and receiving the content through the IP-based mobile communication network.

A heterogeneous network interworking method for receiving contents according to the present invention comprises a short range communication unit for short-range wireless communication with a short range wireless communication connection unit provided at a short distance and connecting to an IP based local area network, 1. A method for executing in a wireless communication device capable of multiple connection to heterogeneous IP based communication networks including an IP based mobile communication network and an IP based local area network, comprising: a wireless communication unit for connecting to a communication network, A first step of confirming whether or not short-range wireless communication is unstable or disconnecting while receiving content from a server connected to an IP-based local area network or an IP based short-range local area network, Network of mobile communication network Based network to the IP-based mobile communication network via the base station in addition to the IP-based local area network among the multiple-connectionable IP-based communication networks of the wireless communication apparatus without the vendor-side network switching intervention, And a second step of performing the second step.

In the first step, when content is received through the IP-based local area network, the first step is to transmit the contents through the IP-based local area network And receiving the content by transmitting the identification information.

In the heterogeneous network interworking method for receiving contents according to the present invention, the first step may further include storing and maintaining the unique identification information.

In the second step, when a network is switched from an IP-based local area network to an IP-based mobile communication network, a communication session with the server via the IP-based local area network is transmitted to the IP Based mobile communication network and is identifiable as it was before the network change even after the network change.

In the second step, when contents are received through the IP-based mobile communication network, the content is transmitted to a designated server for receiving contents through the IP-based local area network And transmitting the unique identification information to the server through the IP-based mobile communication network to receive the content through the IP-based mobile communication network.

A method of operating a content using a heterogeneous communication network according to the present invention includes a local area communication unit for local area wireless communication with a local area wireless communication connection unit provided at a local area and a local area communication unit for connecting to an IP based local area network without passing through a mobile communication network, Based mobile communication network and an IP-based local area communication network, the method comprising the steps of: (a) transmitting, to the IP-based mobile communication network, A first step of requesting content to a server on a network via an IP-based mobile communication network and an IP-based local area network via an IP-based communication network currently connected to the IP-based mobile communication network; IP currently connected among the communication network and the IP-based local area network And a second step of receiving content from a server on the network via a communication network, wherein the second step comprises the step of, when the IP-based mobile communication network and the IP-based local area network are connected to the IP- If the wireless communication is unstable or disconnected and the network is switched from the wireless communication apparatus to the IP-based mobile communication network via the base station without intervention of network operator's network switching of the mobile communication network, The method of claim 1, further comprising: requesting and receiving content when the network is switched from the IP-based local area network to the IP-based mobile communication network, wherein the communication session with the server via the local area network is inherited After the network switching, the same identification as before the network switching Air from the server is characterized in that reception takes over the content.

In the method of operating a content using a heterogeneous communication network according to the present invention, the step of storing unique identification information that uniquely identifies the wireless communication device through the IP-based mobile communication network and the local area network And the like.

In the method of operating a content using a heterogeneous communication network according to the present invention, the first step may include providing unique identification information to the server through one of an IP-based mobile communication network and an IP-based local area network And requesting the wireless communication apparatus to perform an identification process.

In the method of operating a content using a heterogeneous communication network according to the present invention, the first step is a step of requesting content based on location information located through a wireless positioning unit of the wireless communication device.

In the content management method using heterogeneous communication networks according to the present invention, the content is requested to the server through the IP-based mobile communication network and the IP-based local area network, And requesting the wireless communication apparatus to perform identification processing by providing unique identification information that uniquely identifies the wireless communication apparatus.

A method of operating a content using a heterogeneous communication network according to the present invention includes a local area communication unit for local area wireless communication with a local area wireless communication connection unit provided at a local area and a local area communication unit for connecting to an IP based local area network without passing through a mobile communication network, Based mobile communication network, the method comprising the steps of: (a) providing a plurality of IP-based wireless communication devices capable of being connected to an IP-based mobile communication network and a local area network A first step of requesting content from a server on a network via one of a mobile communication network and a local area network and a second step of requesting content from the server via a currently connected communication network among the multi- The second step of receiving the content And wherein, when the short-range wireless communication corresponding to the local area network is unstable or disconnected from the IP-based mobile communication network and the local area network, the wireless communication apparatus transmits the base station The method comprising the steps of: requesting and receiving contents from the server by switching to an IP-based mobile communication network via the network;

The method may further include storing unique identification information for receiving content from a designated server by using a multi-connectable IP-based mobile communication network and a local area network of the wireless communication apparatus according to the present invention, Wherein the first step performs a procedure for requesting contents to the server using the unique identification information.

In the method of operating a content using a heterogeneous communication network according to the present invention, the first step is a step of requesting content based on location information located through a wireless positioning unit of the wireless communication device.

A method for restoring a communication session using heterogeneous communication networks according to the present invention is a method for restoring a communication session using a heterogeneous communication network, which can be connected to an IP-based communication network via a short- A method of executing in a wireless communication apparatus connectable to a communication network, the method comprising the steps of: receiving content from a server via the short- range wireless communication connection unit when connecting to an IP-based communication network through short- If the connection to the IP-based communication network can not be established via the short-range wireless communication connection unit, the network switching of the network provider providing the wireless network based on the communication session receiving the content from the server via the short- The method of claim 1, A second step of attempting a communication connection for receiving content with the server, and a third step of receiving the content from the server through the wireless network connected to the communication.

The communication session restoration method using heterogeneous communication networks according to the present invention is characterized by comprising the steps of: when a communication connection is established with a server using the wireless network, a communication session connected with the server via the short- And switching to a communication session using the communication session.

In the communication session restoration method using heterogeneous communication networks according to the present invention, the communication session with the server using the short-range wireless communication is switched to the communication session using the wireless network before completing the content reception using the short- The method further comprises the step of receiving the content that is being received through the short-range wireless communication through the wireless network.

In the communication session restoration method using heterogeneous communication networks according to the present invention, the short-range wireless communication may include wireless LAN communication or Wi-Fi communication, and the wireless network may include a mobile communication network.

A method of receiving content using a heterogeneous communication network according to the present invention is a method for receiving content using a heterogeneous communication network, the method comprising the steps of: connecting to a local area wireless communication connection unit via a local area wireless communication including a wireless LAN or Wi- A method for receiving content using a heterogeneous communication network, the method comprising the steps of: receiving content from a server through the short-range wireless communication; If the short-range wireless communication connection with the short-range wireless communication connection unit is not confirmed, the communication session that received the content through the short-range wireless communication without intervention of the network provider providing the wireless network, Lt; RTI ID = 0.0 > A second step of attempting a communication connection to receive the content, and a third step of processing the content to be received through the wireless network to which the communication is connected.

In accordance with another aspect of the present invention, there is provided a content receiving method using a heterogeneous communication network, the method comprising: when a communication connection is successful, switching a communication session connected to the server through the short- The method comprising the steps of:

In the content receiving method using heterogeneous communication networks according to the present invention, it is impossible to confirm the short-range wireless communication connection with the short-range wireless communication connection unit before the content reception is completed while receiving the content through the short- Further comprising the step of receiving the content that is being received through the short-range wireless communication when the mobile terminal attempts to establish a communication connection for receiving the content through the network and is connected to the mobile terminal.

In the content receiving method using different types of communication networks according to the present invention, the wireless network includes a mobile communication network.

The method for providing a service for a vehicle according to the present invention is a method for providing a service for a vehicle, which is executed by an apparatus interworking with a short range wireless communication connection unit for processing a communication network connection of a wireless communication apparatus using short- range wireless communication including a wireless LAN or Wi- Identifying unique identification information of a wireless communication device identified through the short-range wireless communication from a wireless communication device that has entered a short-range wireless communication range in cooperation with a short-range wireless communication connection unit and identifying a wireless communication device provided in the vehicle And providing the content corresponding to the service set to be provided to the wireless communication device provided in the vehicle to the wireless communication device of the identified vehicle in cooperation with the short-range wireless communication connection unit, Wherein the wireless communication device provided in the vehicle is a short- And processing the uncompleted content to be provided to the wireless communication device through the wireless network to which the wireless communication device is connected when the wireless communication device is out of the communication range or to be stored for a predetermined period of time.

In the vehicle service providing method according to the present invention, the wireless communication apparatus provided in the vehicle further includes a step of providing the state information of the vehicle confirmed through the electronic control unit of the vehicle to the designated server .

In the vehicle service providing method according to the present invention, the content is provided from the designated server to the wireless communication apparatus of the identified vehicle through the short-range wireless communication.

According to an aspect of the present invention, there is provided a mobile storage medium content providing system and method for providing digital content to a mobile storage medium of a wireless communication device provided in a vehicle, thereby providing portability and mobility to a user, Telematics can be universalized and developed by introducing new services based on telematics services utilizing existing computing technologies (such as wired PCs) and periodic location information of vehicles equipped with telematics.

In addition, the user has the advantage that the existing wired / wireless content can be acquired more conveniently and easily by using the telematics.

In addition, service providers have the advantage of using various existing automobile related infrastructures (for example, gas stations, etc.) as much as possible to develop various new profit models while reducing the cost of constructing a separate infrastructure.

1 is a simplified diagram of a mobile storage medium content providing system for providing digital content to a mobile storage medium of a wireless communication device provided in a vehicle.
FIG. 2 is a flowchart illustrating a preferred process of determining content to be provided to a wireless communication device provided in a vehicle from a content providing server according to a preferred embodiment of the present invention and caching the content to a cache server.
FIG. 3 is a simplified flowchart of a preferred process for transmitting cached digital content to a cache server with a wireless communication device in a vehicle approaching a local communication area according to a preferred embodiment of the present invention.
FIG. 4 is a simplified flowchart of a preferred procedure for maintaining reliability by maintaining a communication session between a wireless communication device and a cache server provided in a near-field communication processing unit vehicle.

The operation principle of the preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings and description. It should be understood, however, that the drawings and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention, and are not to be construed as limiting the present invention. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The terms used below are defined in consideration of the functions of the present invention, which may vary depending on the user, intention or custom of the operator. Therefore, the definition should be based on the contents throughout the book.

In the following drawings and description, which follow a preferred embodiment of the present invention, an identification information processing unit for storing and extracting unique identification information in a radio communication apparatus provided in a vehicle, And a local area communication unit for connecting and maintaining a local area wireless communication session with the cache server in the course of providing contents to the mobile storage medium of the radio communication apparatus, A contents caching unit for caching content to be transmitted from at least one content providing server to a wireless communication apparatus provided in the vehicle with respect to a local communication area visited by the vehicle; and a communication session with the local communication unit of the wireless communication apparatus provided in the vehicle A short-range communication session processor capable of connecting and maintaining And a content transmitting unit for transmitting content to a content storage unit of a wireless communication device provided in the vehicle.

1 is a simplified diagram of a mobile storage medium contents providing system for providing digital contents to a mobile storage medium of a wireless communication apparatus provided in a vehicle.

1, a wireless communication apparatus provided in a vehicle includes a control unit 100, an output unit 105, an input unit 110, a media processing unit 115, A wireless communication unit 130, and a memory unit 135. The wireless communication unit 120 is provided with a wireless positioning unit 125, a wireless communication unit 130, and a memory unit 135. In order to provide digital contents through short- An identification information processing unit 140, a short range communication unit 145, and a content storage unit 150 on the memory unit 135.

The control unit 100 of the wireless communication apparatus provided in the vehicle includes an operating system and a wireless communication apparatus control management program loaded and booted after power is input to the wireless communication apparatus and booted, Application program and the like, and in the process of providing all services through the wireless communication device, the overall operation of the service is controlled and managed in association with at least one component provided in the wireless communication device. do.

The output unit 105 outputs various information and / or signals processed through the control unit 100 in the process of providing at least one service provided through the wireless communication apparatus, Alternatively, it is possible to output through the sound using the TTS.

The input unit 110 is configured to input various information and / or signals required for processing through the controller 100 in the process of providing at least one service provided through the wireless communication apparatus, Or input in a sound form using speech recognition.

The media processing unit 115 extracts at least one or more pieces of media information from a medium such as a CD and / or a DVD or a cassette tape and outputs the extracted media information to the output unit 105 through the control unit 100. The vehicle interlock unit 120, And an electronic control unit (ECU) of the vehicle for diagnosis, vehicle first aid, and the like. The wireless positioning unit 125 is connected to a GPS satellite (GPS) to provide a car navigation service based on position measurement. To provide a wireless positioning function.

The memory unit 130 is a general term for a space and / or a storage area where predetermined program codes for controlling the overall operation of the wireless communication apparatus and data to be input / output when the program code is operated are stored, (Electrically Erasable and Programmable Read Only Memory), FM (Flash Memory), and the like, and recently it may be provided in the form of a hard disk drive (Hard Disk Drive).

In addition to the basic components described above, the identification information processing unit 145 provided for providing digital contents through the short-range wireless communication according to the present invention may include a driver and / or an occupant stored in the wireless communication device and / And when the short-range wireless communication session is connected between the wireless communication device and the cache server 160 provided in the short-range communication area, the unique identification information is extracted .

According to a preferred embodiment of the present invention, the unique identification information processed by the identification information processing unit 140 can be stored on the memory unit 135 of the wireless communication apparatus. In this case, In addition to the function of the same identification information processing unit 140, a function of blocking and controlling any improper access to the area where the unique identification information is stored on the memory unit 135 of the wireless communication apparatus.

According to another embodiment of the present invention, the unique identification information processed by the identification information processing unit 140 is stored in a specific memory on the electronic control unit interlocked with the vehicle interlocking unit 120 of the wireless communication apparatus In this case, the identification information processing unit 140 extracts the unique identification information through the vehicle interlocking unit 120.

According to another embodiment of the present invention, the unique identification information processed by the identification information processing unit 140 may be stored on the ICC of the smart card. In this case, the identification information processing unit 140 may be an ISO / IEC 7816 and / And plays a role as a card terminal device satisfying the standards such as ISO / IEC 14443.

According to another embodiment of the present invention, the unique identification information processed by the identification information processing unit 140 can be input by a driver and / or a passenger, and in this case, the identification information processing unit 140 may be connected to an input unit 110 to receive the unique identification information from the driver and / or the passenger.

According to another embodiment of the present invention, the unique identification information processed by the identification information processing unit 140 may be biometric information of a driver and / or a passenger. In this case, the identification information processing unit 140 may receive biometric information A function of the biometric information device for the purpose is provided.

In addition, the short-range communication unit 145 provided for providing digital contents through the short-range wireless communication according to the present invention includes a short-range communication unit for a short-range communication session between the wireless communication apparatus and the cache server 160 provided in the short- A short-range wireless communication session between the wireless communication device and the cache server 160 is connected and maintained without passing through a base station or a switching center on a known wireless network.

According to a preferred embodiment of the present invention, the local communication unit provided by the short-range communication unit 145 includes a wireless LAN that provides a Transmission Control Protocol / Internet Protocol (TCP / IP) stack using a wireless NIC (Wireless Network Interface Card) do.

According to another embodiment of the present invention, the short-distance communication unit 145 provides short-distance communication means with infrared communication of IrDA (Infrared Data Association), Bluetooth and Wi-Fi compliant with IEEE 802.11 And RF communication that provides full-duplex communication.

In addition, the content storage unit 150 on the memory unit 135, which is provided for providing digital content through the short-range wireless communication, may store and / or transmit digital content transmitted through the short- (E.g., copy, move, delete, etc.) through the control unit 100 of the wireless communication device and playback access (e.g., music and / or music) through at least one application program included in the wireless communication device, Or moving picture playback).

According to a preferred embodiment of the present invention, the content storage unit 150 is provided in the memory unit 135 of the wireless communication apparatus to store and / or manage digital contents transmitted through the short- It corresponds to a database management system (DBMS).

1, which is a preferred embodiment of the present invention, at least one local area wireless communication connection unit 155 and a cache server 160 are provided in a local communication area visited by a vehicle equipped with a wireless communication device, The server 160 further includes a local communication session processing unit 165, a content transmitting unit 170, and a content caching unit 175 in addition to the known cache server components.

The short-range wireless communication connection unit 155 provided in the short-range communication area is connected to the wireless communication apparatus and the cache server 160 based on the short-range wireless communication unit used by the short-range communication unit 145 of the wireless communication apparatus provided in the vehicle. And a network connection means for connecting a short-range wireless communication session.

For example, if the short-range wireless communication means used by the short-range communication unit 145 of the wireless communication apparatus provided in the vehicle is a wireless LAN and / or a Wi-Fi, the short-range wireless communication connection unit 155 connects the wireless communication apparatus, An access point serving as a base station for wireless communication, and an access controller for providing authentication, billing, and / or other information to the wireless communication device.

If the short range wireless communication means used by the short range communication unit 145 of the wireless communication apparatus provided in the vehicle is Bluetooth, the short range wireless communication connection unit 155 transmits a piconet on the Bluetooth protocol stack and / And a Bluetooth master unit serving as a base station for short distance communication with a wireless communication apparatus provided in the vehicle.

Further, for example, if the short-distance wireless communication means used by the short-range communication unit 145 of the wireless communication apparatus provided in the vehicle is infrared communication, the short-range wireless communication connection unit 155 corresponds to the infrared transmission / reception module conforming to the IrDA standard.

The local area communication session processing unit 165 of the cache server 160 provided in the local area communication area for providing digital contents through the local area wireless communication according to the present invention is connected to the local area communication area through the local area wireless communication connection unit 155 A short distance wireless communication session is searched for the short distance wireless communication means for the short distance communication unit 145 of the wireless communication apparatus included in the entering vehicle and the short distance wireless communication session is connected to the short distance wireless communication session for the digital contents cached by the content caching unit 175 of the corresponding cache server 160 To a content storage unit 150 of the wireless communication device, and maintains a short-range wireless communication session between the cache server 160 and the wireless communication device, When the vehicle leaves the local communication area before completing the process of transmitting the digital contents to the wireless communication device provided in the vehicle, The short-range wireless communication session, characterized by carrying out a function to automatically switch over the wireless network with wireless network communication session for transmitting the digital content to a wireless communication device provided in the vehicle.

Also, in order to provide digital contents through short-range wireless communication, the content transmitter 170 of the cache server 160 provided in the short-range communication area may transmit the cached digital content to the content caching unit 175, To the wireless communication apparatus provided in the vehicle through the short-range wireless communication connection unit 155, and the transmission process is controlled by the short-range wireless communication session processing unit 165. [ If the vehicle is out of the local communication area before the process of transmitting digital contents cached in the content caching unit 175 to the wireless communication device provided in the vehicle is completed, And transmits the remaining digital content to the wireless communication device via the wireless network through the wireless network communication session to which the wireless communication device 165 is connected.

The content caching unit 175 of the cache server 160 provided in the short-range communication area for providing digital content through the short-range wireless communication according to the present invention may include at least one The content caching of the present invention is a storage area included in the cache server 160 for caching one or more digital contents. In the case of temporarily storing digital contents provided from at least one content providing server 180 for a predetermined period, = Storing for a certain period of time], and real-time buffering of digital contents provided by the contents providing server 180 [= real-time temporary storage and retransmission method].

In addition, the cache server 160 is located in a local communication area visited by the vehicle, and has a function of connecting and maintaining a short-range wireless communication session with the wireless communication device of the vehicle, An electronic information management program for realizing a function of caching one or more digital contents and a function of transmitting the cached digital contents to a wireless communication device provided in the vehicle through near field wireless communication is recorded .

1 according to a preferred embodiment of the present invention, a content providing server 180 transmits at least one content to the wireless communication device through a wireless communication unit 130 of a wireless communication device provided in a vehicle via a wireless network (I.e., a function of a content providing server known in telematics), caching at least one digital content to a cache server 160 provided in a local communication area for providing digital contents through short-range wireless communication, Function is added.

According to an aspect of the present invention, the content providing server 180 may store and / or manage the customer relationship management information for the driver and / or the passenger corresponding to the unique identification information of the wireless communication device provided in the specific vehicle The content providing server 180 may be linked to the CRM server 190. In this case, the content providing server 180 may receive the CRM information of the corresponding driver and / or passenger stored in the CRM D / B 195 of the CRM server 190 It is possible to determine the digital contents provided to the radio communication apparatus provided in the vehicle.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In describing a flow chart according to a preferred embodiment of the present invention, a preferred scenario is used to effectively explain the features of the present invention.

The driver is traveling through a vehicle equipped with the wireless communication device proposed by the present invention. The driver likes pop songs. The customer management information that the driver likes pop songs is transmitted to the CRM server 190 (CRM D / B 195). In this case, an electronic control unit (ECU) provided in the vehicle is connected to the vehicle via the vehicle interlocking unit 120 of the radio communication apparatus And provides fuel information remaining in the fuel tank to the wireless communication device. In addition to the function of providing digital contents through the near field wireless communication, the wireless communication apparatus basically has a function of determining whether or not to provide fuel based on the fuel information, a function of accessing the contents providing server 180, And the function of receiving the gas station information closest to the location is provided.

FIG. 2 is a simplified flowchart illustrating a preferred process of determining content to be provided to a wireless communication device provided in a vehicle from a content providing server 180 and caching the content to the cache server 160 according to a preferred embodiment of the present invention.

An electronic control device provided in a vehicle measures an amount of fuel stored in a fuel tank through at least one sensor provided in a fuel tank, converts the measured amount of fuel into fuel information in the form of digitized numerical information, (200) to the wireless communication device through the vehicle interlocking part (120) of the device.

When the fuel information is provided from the electronic control device as described above, the wireless communication device determines whether it is necessary to refuel (205) based on the fuel information.

(210), the wireless communication device deletes the fuel information, and the electronic control device extracts the fuel information from the fuel tank as described above and transmits the fuel information to the wireless communication device Repeat the process of providing.

On the other hand, if the condition (e. G., The amount of fuel remaining in the fuel tank meets less than 5% of the fuel tank capacity) 215 is met based on the fuel information provided from the electronic control unit, Indicates the amount of fuel remaining in the fuel tank, and requests the driver to approve the fueling (220).

If the driver does not approve the fueling of the fuel (225), the wireless communication device displays the amount of fuel remaining in the fuel tank based on the fuel information provided by the electronic control device, and allows the driver to determine the amount of fuel remaining in the fuel tank Repeat the process to request approval of the fueling until the conditions are not met.

On the other hand, if the driver approves the fueling of the fuel 230, the wireless communication device measures the current position of the vehicle through the wireless positioning unit 125, and then displays the current position information of the vehicle, Unique identification information extracted from the identification information processing unit 140 of the wireless communication apparatus to the contents providing server 180 and requests the contents providing server 180 for the gas station information closest to the current position of the vehicle 235).

The content providing server 180, which receives the current location information and the unique identification information of the vehicle and requests the gas station information closest to the current location of the vehicle, receives the current location information of the vehicle provided from the radio communication apparatus, (For example, near-field communication with the short-range wireless communication connection unit 155 and the cache server 160) located nearest to the vehicle through a GIS (Geographical Information System) information and a distance calculation algorithm between two points, And supplies the unique identification information provided from the wireless communication device to the CRM server 190 to select the music preferred by the driver corresponding to the unique identification information, (Moving Picture Experts Group Layer 3) information).

According to a preferred embodiment of the present invention, the process of extracting the gas station information closest to the present position of the vehicle by the content providing server 180 corresponds to the process of determining the cache server 160 to cache music contents The process of extracting the music content information to be provided to the driver by the content providing server 180 in cooperation with the CRM server 190 corresponds to the process of determining the digital content to be cached by the cache server 160. [

When the gas station information and the music content information are extracted through the above process, the content providing server 180 provides the gas station information and the music content information to the wireless communication device provided in the vehicle through the wireless network (245).

According to a preferred embodiment of the present invention, the service station information is outputted via the GIS to an output unit 105 (for example, a screen output unit) provided in the wireless communication apparatus, And an interface for allowing the driver to select music contents and / or provide music contents through the input unit 110 (e.g., a touch pad).

If the gas station information and the music content information are provided from the content providing server 180 as described above, the wireless communication device outputs the gas station information and the music content information through the output unit 105, and causes the driver to transmit the music content The user is requested to approve the provision of the music content through the process of determining the music content actually provided and / or the interface for determining whether or not to provide the music content.

If the driver refuses to provide the music content in the approval process of the music content provision, the wireless communication device transmits the music content provision rejection information to the content providing server 180 through the wireless network, ) Provides the music content provision rejection information to the CRM server 190 (260), stores the new music information in the CRM D / B 195 as new CRM information for the driver, The content to be provided to the wireless communication device is determined and the process of caching the content to the cache server 160 is terminated.

On the other hand, if the driver approves the provision of the music content in the approval process of the music content provision or not (265), the wireless communication device transmits the music content provision approval information to the content provision server 180 through the wireless network (270) The server 180 determines the music content provision approval information as a result of the music contents caching approval for caching the music contents to the cache server 160 provided at the gas station, The music contents stored in the contents D / B 185 of the contents providing server 180 are transmitted to the cache server 160 provided in the gas station through at least one wired and / or wireless network for providing digital contents through the wired and / And caches the content in the content caching unit 175 provided in the cache server 160 (275).

According to a preferred embodiment of the present invention, music contents cached by the content providing server 180 to the content caching unit 175 of the cache server 160 include unique identification information provided from a wireless communication device provided in the vehicle And the unique identification information provides a means for retrieving music contents to be provided to the wireless communication device of the vehicle from the cache server 160 in FIG.

When the process of caching the music contents stored in the content D / B 185 of the content providing server 180 to the cache server 160 of the gas station is completed through the above process, A result obtained by caching music content providing approval information and / or music contents to the cache server 160 provided at a gas station, and the like to the CRM server 190, and transmits the result to the CRM D / B 195 as new CRM information for the driver (280).

According to a preferred embodiment of the present invention, the customer relationship management information for the driver, which is stored in the CRM D / B 195 of the CRM server 190 as described above, And can be used in a process of caching contents to be provided to the provided wireless communication device.

FIG. 3 is a simplified flowchart of a preferred procedure for transmitting cached digital content to a cache server 160 with a wireless communication device in a vehicle approaching a near-field communication area according to a preferred embodiment of the present invention.

[0030] While the vehicle equipped with the wireless communication apparatus proposed by the present invention enters the local communication area range 300 provided in the gas station determined through the process of FIG. 2, the gas station (= the local communication area provided with the cache server) The short range wireless communication connection unit 155 provided in the wireless communication unit 155 repeatedly performs an operation of searching for a wireless communication apparatus provided in the vehicle entering the short range communication range.

According to the present invention, the short-range wireless communication connection unit 155 provided in the gas station periodically transmits information and / or signals for searching the short-range communication unit 145 of the wireless communication apparatus provided in the vehicle proposed by the present invention If the information and / or signal periodically transmitted by the short range wireless communication connection unit 155 is received by the short range communication unit 145 of the wireless communication apparatus provided in the vehicle, In response to the information and / or the signal transmitted by the short-range wireless communication connection unit 155, the short-range wireless communication connection unit 155 searches for a wireless communication apparatus provided in the vehicle entering the short-range communication area.

If a wireless communication device included in a vehicle newly entering the short-range communication area is found (310) during the wireless communication device search process of the vehicle, the short-range wireless communication connection unit 155 provided in the gas station The local wireless communication processing unit 165 provides the local wireless communication processing unit 165 provided in the cache server 160 with the search result for the wireless communication apparatus that has entered the local communication area as described above, (320) repeatedly establishes a short-range wireless communication session connection with the wireless communication apparatus provided in the vehicle through the connection unit (155).

According to a preferred embodiment of the present invention, after the short-range wireless communication connection unit 155 searches for a wireless communication apparatus provided in the vehicle, it attempts to connect a short-range wireless communication session between the wireless communication apparatus and the cache server 160 The subject is the cache server 160 as described above.

According to another embodiment of the present invention, after the short-range wireless communication connection unit 155 searches for a wireless communication apparatus provided in the vehicle, it attempts to connect a short-range wireless communication session between the wireless communication apparatus and the cache server 160 The main body is a wireless communication device provided in the vehicle.

If the short-range wireless communication connection is successful (step 325), the short-range wireless communication processing unit 165 requests unique identification information from the wireless communication apparatus through the short-range wireless communication connection unit 155 (330).

Upon receiving the unique identification information request from the cache server 160 through the above process, the wireless communication device extracts the unique identification information through the identification information processing unit 140 and transmits the extracted unique identification information to the local wireless communication connection unit 155 To the near field wireless communication processing unit 165 provided in the cache server 160 (335).

According to a preferred embodiment of the present invention, the unique identification information extracted by the identification information processing unit 140 of the wireless communication device in the above process is extracted through the identification information processing unit 140 for music content caching in the process of FIG. Is unique identification information identical to the unique identification information, or is unique identification information compatible with the unique identification information.

When the unique identification information is provided from the wireless communication apparatus provided in the vehicle to the near field wireless communication processing unit 165 of the cache server 160 through the short distance wireless communication connection unit 155, (340), the content caching unit (175) included in the cache server (160) includes the unique identification information or searches the cached music content corresponding to the unique identification information.

If the music content that does not include the unique identification information or is cached in response to the unique identification information is not searched in the process of searching for the music content using the unique identification information as described above (345), the near field wireless communication processing unit (165) Determines a short-range wireless communication session termination command between the wireless communication apparatus and the cache server 160 and transmits the result of the music content search to the wireless communication apparatus connected to the vehicle via the short- (350) and terminates the process of transmitting the cached digital content to the cache server (160) to a wireless communication device in a vehicle accessing the local area.

Meanwhile, if the music content including the unique identification information or the cached music content corresponding to the unique identification information is searched in the music content searching process using the unique identification information as described above (355), the short range wireless communication processing unit (165) The content transmitting unit 170 provides the music content search result to the content transmitting unit 170. The content transmitting unit 170 may include unique identification information cached in the content caching unit 175 based on the music content search result, And extracts music contents corresponding to the identification information (360).

When the cached music content is extracted in the content caching unit 175 as described above, the content transmission unit 170 transmits the extracted music content to the wireless communication device provided in the vehicle through the near field wireless communication connection unit 155 The music content is received through the local communication unit 145 of the wireless communication device provided in the vehicle and stored in the content storage unit 150 provided in the memory unit.

According to a preferred embodiment of the present invention, the content transmitting unit 170 included in the cache server 160 transmits the music content extracted from the content caching unit 175 to the vehicle through the near field wireless communication connection unit 155 A short range wireless communication session between the wireless communication device provided in the vehicle and the cache server 160 is performed by the short range wireless communication processor 165 provided in the cache server 160 And the reliability is ensured. The preferable procedure is as shown in Fig.

4 is a simplified flowchart of a preferred procedure for ensuring reliability by the short-distance wireless communication processing unit 165 maintaining a communication session between the wireless communication device provided in the vehicle and the cache server 160. [

Referring to FIG. 4, which is a block diagram of a preferred embodiment of the present invention, a description will be given of a case where, before the process of FIG. 4, A short-range wireless communication session is connected between the wireless communication device and the cache server 160, and a short-range wireless communication session is connected during the provision of the music content (400).

According to a preferred embodiment of the present invention, when the vehicle equipped with the wireless communication device is out of the local communication area (for example, the local communication range of the gas station) while the short-range wireless communication session is being connected and maintained as described above, The short distance wireless communication between the wireless communication apparatus and the cache server 160 becomes unstable or the short distance wireless communication is temporarily disconnected.

Accordingly, when the vehicle equipped with the wireless communication device advances to the outside of the local communication area during the short-range wireless communication session based on the characteristic of the short-distance wireless communication as described above (405), the local wireless communication The processing unit 165 determines whether the process of transmitting the cached music content to the wireless communication device through the content transmitting unit 170 is completed (410).

If the process of transmitting all the music contents cached in the content caching unit 175 to the wireless communication device through the short-range wireless communication session is completed (415), the short-range wireless communication processing unit 165 Disconnects a short-range wireless communication session connected between the wireless communication device and the cache server 160 and initializes the cache server 160 (e.g., the music content cached in the content caching unit 175 to transmit to the wireless communication device) (420).

On the other hand, if the process of transmitting all the music contents cached in the content caching unit 175 to the wireless communication device through the short-range wireless communication session is not completed (425), the short-range wireless communication processing unit 165 The wireless communication device and the cache server 160 (or the content providing server) provided in the vehicle via the wireless network may transmit unstable and / or unexpected short-range wireless communication between the wireless communication device and the cache server 160, (Or content providing server) via the wireless network (e.g., mobile communication network) used by the wireless communication apparatus provided in the vehicle, (430) through the wireless communication unit 130 of the wireless communication apparatus.

If the wireless communication session connection attempt fails (435), the short-range wireless communication processing unit 165 disconnects all communication sessions between the wireless communication apparatus and the cache server 160 and initializes the cache server 160 (E.g., deletes music contents cached in the content caching unit 175 for transmission to the wireless communication device).

If the connection between the cache server 160 (or the contents providing server) and the wireless communication device is successful (440), the short-range wireless communication processing unit 165 transmits the short- A short-range wireless communication session connected and maintained between the cache server 160 and the wireless communication device via the connection unit 155 is transmitted to the cache server 160 (or the content providing server) using the wireless network, (445) to a wireless communication session between the wireless communication devices provided in the moving vehicle.

When the short-range wireless communication session through the short-range wireless communication connection unit 155 is switched to the wireless communication session through the wireless network in the short-range communication region as described above, the content transmission unit 170 (or the contents The providing server transmits the music content to the wireless communication device provided in the vehicle moving out of the short distance communication area through the wireless communication session and completes the transmission of the music content as described above.

According to a preferred embodiment of the present invention, a short-range wireless communication session, which is connected and maintained between the cache server 160 and the wireless communication device through the short-range wireless communication connection unit 155 provided in the short- The wireless communication session preferably inherits the properties of the short-range wireless communication session.

For example, it is preferable that music contents transmitted from the cache server 160 to the wireless communication device in the short-range wireless communication session are automatically switched to the wireless communication session as described above, and then resumed in the wireless communication session.

If the cache server 160 (or the content providing server) completes the process of transmitting the music contents to the wireless communication device provided in the vehicle moving out of the local communication area through the wireless communication session, The local wireless communication processing unit 165 provided in the server 160 disconnects all communication sessions connected between the wireless communication apparatus and the cache server 160 (or the content providing server), initializes the cache server 160 And deletes the music content cached in the content caching unit 175 for transmission to the wireless communication device).

100: control unit 105: output unit
110: input unit 115: media processing unit
120: vehicle interlocking unit 125: wireless positioning unit
130: wireless communication unit 135: memory unit
140: Identification information processing unit 145:
150: content storage unit 155: short-range wireless communication connection unit
160: cache server 165: short range wireless communication processor
170: Content transmission unit 175: Content caching unit
180: Content providing server 185: Content D / B
190: CRM server 195: CRM D / B

Claims (6)

And a short range communication unit for short-range wireless communication with a short range wireless communication connection unit provided at a short distance and connecting to an IP based local area network and a wireless communication unit for connecting to an IP based mobile communication network via a base station of the mobile communication network, CLAIMS What is claimed is: 1. A method implemented in a wireless communication device capable of multiple connections to heterogeneous IP based networks, including IP based local area networks,
A first step of checking whether the short-range wireless communication with the short-range wireless communication connection unit is unstable or disconnected after being connected to the IP-based short-range communication network via the short-range wireless communication connection unit; And
And a second step of connecting to the IP-based mobile communication network via the base station other than the IP-based local area network by the wireless communication apparatus without intervening network switching of the mobile communication network when the short-range wireless communication is unstable or disconnected A method of interworking a heterogeneous network.
The method according to claim 1,
The first step may further include checking whether the short range wireless communication is unstable or disconnected while receiving content from a designated server connected to an IP based short range communication network via the short range wireless communication connection unit,
The second step is to connect to the IP-based mobile communication network via the base station rather than the IP-based local area network by the wireless communication apparatus without intervention of the network operator's network switching in the mobile communication network when the short- range wireless communication is unstable or disconnected And requesting the server to receive the content through the IP-based mobile communication network and receiving the content.
3. The method according to claim 2,
When receiving content over an IP-based local area network,
And receiving the content by transmitting unique identification information designated by a designated server providing content through the IP based local area network.
4. The method according to claim 3,
Further comprising the step of storing and maintaining the unique identification information.
3. The method according to claim 2,
When a network is switched from an IP-based local area network to an IP-based mobile communication network, a communication session with the server via the IP-based local area network is inherited as a communication session of the IP- A method of interworking a heterogeneous network.
3. The method according to claim 2,
When receiving content through an IP-based mobile communication network,
And transmitting the unique identification information transmitted to the designated server to the server through the IP based local area network to the server through the IP based mobile communication network to receive the content through the IP based mobile communication network A heterogeneous network interworking method characterized by.

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