KR20090084391A - Network interworking system and method thereof for telematics - Google Patents

Abstract

A telematics integration system for linking for the vehicles and a method thereof are provided to offer large amount of information with low cost to a user by preparing a network system compatible with heterogeneous network, and LBS(Location Based Service) providing system. A network connection manager(110) comprises a wire/wireless network interface. A vehicle management unit(140) transmits the state of a vehicle grasped by a sensor in each part of vehicle on a real time basis to a controller(100). A GPS(Global Positioning System) receiver(130) receives GPS signal, grasps the current position and movement of vehicle, and transmits to the controller. A data storage module(150) stores data, map information, and various information.

Description

Telematics integration interworking system and method {Network interworking system and method according for telematics}

The present invention relates to a telematics integrated interworking system and a method thereof, and more particularly, to a telematics integrated interworking system and a method for providing a location-based service using a network and navigation that can interoperate with a heterogeneous network.

Recently, the vehicle is equipped with a telematics system to provide vehicle location information service, vehicle theft and accident detection, remote vehicle diagnosis, emergency rescue, traffic information service, mobile office using wireless internet, and e-mail service. Telematics is a combination of TELEcommunication and information science (infoMATICS), which refers to the combination of automotive and computer mobile communication technologies.

The most widely known features of telematics systems are automatic navigation technology and the Global Positioning System (GPS). Another function of the telematics system is to diagnose the failure of a vehicle in operation and check it remotely at a car service center, or provide various contents such as vehicle remote diagnosis, emergency rescue assistance, traffic information and living information. In addition, recent telematics systems can provide user convenience services such as Internet browsers, finance, product purchases, voice memos and address books.

In a conventional telematics system, when a vehicle equipped with a telematics terminal drives, a request for necessary information or a rescue request through a wireless network is performed, and the central server transmits the requested data or information to the telematics terminal.

However, a conventional vehicle driving information system (telematics system) relies only on communication with a central server using CDMA, and there is a problem in that communication costs are high because CDMA should be used even for simple information transmission and reception, not voice calls. That is, in the case of CDMA, there is a problem that each time a short message service (hereinafter referred to as SMS) transmission and reception, data call charges, a service subscription cost, etc. occur.

In addition, in order to reduce the burden of service costs, the central server to reduce the data transmitted to the terminal as much as possible, compresses and transmits the information provided there is a problem that does not provide enough information to the user.

The present invention devised to solve the problems of the prior art as described above is provided with a network system and a location-based service providing system interworking with heterogeneous networks, a telematics integrated interworking system that can provide a large amount of information to the user at a low cost And it is an object of the present invention to provide a method.

The object of the present invention is connected to the control unit network connection unit including one or more wired and wireless network interface to perform communication between heterogeneous networks; A touch screen input / output unit configured to receive a signal from a user, transmit the signal to the controller, and output the signal received by the controller to a display; A vehicle management unit which detects the state of the vehicle in real time through sensors installed in each driving unit, the electronic circuit unit, the frame unit, the fuel unit, the oil unit, and the cooling unit of the vehicle and transmits the state to the controller; A GPS receiver which receives a GPS satellite signal and detects a current position and movement of the vehicle and transmits the signal to the controller; A storage unit for storing audio data, image data, map information, and various kinds of information and providing stored information at the request of the controller; And a control unit connected to the network connection unit, an input / output unit, a vehicle management unit, a GPS receiver, and a storage unit to control each unit and receive or transmit data from each unit.

Another object of the present invention is a telematics integrated interworking system, comprising: a first step of sequentially checking a network connection state by sequentially transmitting a control flag including SYN for each platform through a network interface at a network connection unit; Waiting for a response message of the central server to the control flag in each platform; A third step of distinguishing a platform from which the response message is received from the junga server and a platform not received; And a fourth step of selecting one or more platforms and accessing the network according to a user's selection or a priority stored in the received platforms among the received platforms.

Accordingly, the telematics integration interworking system and method thereof of the present invention can provide a stable telematics service without interruption of a network through various network connections by providing a network connection unit capable of accessing heterogeneous networks including heterogeneous network interfaces. Depending on the location and network conditions, there is an effect that can provide a cheap and high speed service.

The terms or words used in this specification and claims are not to be construed as being limited to their ordinary or dictionary meanings, and the inventors may appropriately define the concept of terms in order to best describe their invention. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention based on the principle that the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a structural diagram of a telematics terminal according to the present invention. Referring to FIG. 1, the telematics terminal of the present invention includes a control unit 100, a network connection unit 110, an input / output unit 120, a GPS receiver 130, a vehicle management unit 140, and a storage unit 150.

The network connection unit 110 connects a terminal to a network through a wired or wireless network, and includes one or more wired and wireless network interfaces, thereby performing various types of wired and wireless communication. Therefore, it is possible to access the network directly or through a terminal device through network interfaces such as power line communication, Ethernet, home PNA, IEEE1394, ADSL and USB, and wireless networks WLAN, CDMA, GPRS, UMTS, zigbee, UWB, It can be connected to a terminal device or a wireless network through network interfaces such as home RF, Blutooth, and Wipi.

The input / output unit 120 receives input from the user and transmits the input to the control unit 100 or provides data received from the control unit 100 to the user. The display capable of outputting image information may be applied as a touch screen method for receiving input from a user, and may be provided with a plurality of input buttons in addition to the touch screen. The voice output device for voice output is also a component of the input / output unit 120.

The GPS receiver 130 may receive satellite positioning signals from one or more satellites and calculate a coordinate value of the current position. The calculated coordinate values may be retrieved from the map information stored in the storage unit 150 to map the coordinate values to the map information to determine the current location of the vehicle. Map information in which the coordinate values are mapped is provided to the user through the display of the input / output unit 120 through the control unit 100. In addition, the control unit 100 is used as data for providing a location-based service.

The vehicle manager 140 includes a sensor located at each part of the vehicle and a sensor receiver capable of receiving information of each sensor. The sensor is installed in the parts that can cause abnormalities during operation of the vehicle, such as the driving part, the electronic circuit part, the frame part, the fuel part, the oil part, and the cooling part of the vehicle, and detects breakage or abnormal operation of each part, It detects lack of coolant, overheating, abnormal reduction and transmits an abnormal signal to the sensor receiver.

The sensor receiving unit periodically receives a signal of each sensor and transmits the signal to the control unit 100. When an abnormal signal is generated from the sensor, the sensor receiving unit transmits information on the portion and state of the abnormality to the control unit 100.

The storage unit 150 is a memory or disk type storage device that stores audio data, image data, map information, and various kinds of information. All data stored in the storage unit 150 is stored through the control unit 100, and transmits each data in response to the search of the control unit 100.

The controller 100 is connected to the network connection unit 110, the input / output unit 120, the GPS receiver 130, the vehicle manager 140, and the storage unit 150 of the terminal to control each unit.

The control unit 110 attempts to access an external network by controlling the network connection unit 110, and prioritizes a connection priority with respect to a plurality of network interfaces included in the network connection unit 110 for fast, stable and inexpensive network connection. Receive network connection status repeatedly. In addition, through the network connection unit 110 receives the multimedia or text information to provide to the user through the output unit and stored in the storage unit 150.

In addition, it is possible to provide a navigation service to the user by using the coordinate values and the map information received through the GPS receiver 130, and by grasping the current location to receive the local information around the current location through the network with the map information Can be provided to the user.

When the abnormal signal and information are received from the vehicle manager 140, the abnormal part and the state are transmitted to the user through the display of the input / output unit, and the user is alerted through the voice output unit. In addition, an abnormal state signal is transmitted to the vehicle management server or the telematics server through the network connection unit 110, and receives information such as an emergency treatment method, a location of a nearby garage, and the like from the servers. In order to receive the location of the nearest garage from the server, the location information received through the GPS receiver 130 must be transmitted to the server together.

In addition, the control unit 100 includes a user convenience function, including a memo function in the map information, and provides a function for the user to take notes on a certain area, and when an alarm reaches a calculator, a time or a certain area, an alarm may be sounded. You can do that. In addition, it is possible to provide services such as simple games, DMB, and the like.

2 is a flow chart illustrating a telematics integration interworking method according to the present invention. 2, the network connection of the terminal includes one or more network interfaces. In order to connect the network, the control flag for confirming the network connection status for each network interface platform is transmitted (S210). The control flag includes a SYN signal for starting communication.If the network is connected, the server receiving the control flag transmits a response message and receives a response message from the terminal (S220) to determine that the network is connected. Done.

The terminal classifies the network interface from which the response message is received and the network interface not from each platform (S230), and applies a priority to the platform from which the response message is received (S240). Priority is applied based on data stored in the storage, and priority is determined based on information such as stability of network connection, data transmission speed, data transmission and reception, and access cost. Although the network can be selected automatically by priority, it is possible to present an accessible network interface to the user for selection.

The terminal accesses the selected network automatically or manually (S250) and transmits and receives data to provide a telematics service to the user.

Although the present invention has been shown and described with reference to the preferred embodiments as described above, it is not limited to the above embodiments and those skilled in the art without departing from the spirit of the present invention. Various changes and modifications will be possible.

1 is a structural diagram of a telematics terminal according to the present invention;

2 is a flow chart illustrating a telematics integration interworking method according to the present invention.

<Explanation of symbols for the main parts of the drawings>

100: control unit 110: network connection unit

120: input and output unit 130: GPS receiver

140: vehicle management unit 150: storage unit

Claims (11)

In a system capable of providing telematics services through heterogeneous network connection, A network connection unit connected to the control unit and including one or more wired and wireless network interfaces to perform communication between heterogeneous networks; A touch screen input / output unit configured to receive a signal from a user, transmit the signal to the controller, and output the signal received by the controller to a display; A vehicle management unit which detects the state of the vehicle in real time through sensors installed in each driving unit, the electronic circuit unit, the frame unit, the fuel unit, the oil unit, and the cooling unit of the vehicle and transmits the state to the controller; A GPS receiver which receives a GPS satellite signal and detects a current position and movement of the vehicle and transmits the signal to the controller; A storage unit for storing audio data, image data, map information, and various kinds of information and providing stored information at the request of the controller; And Control unit connected to the network connection unit, input / output unit, vehicle management unit, GPS receiver and storage unit to control each unit and to receive or transmit data from each unit Telematics integrated interworking system configured to include. The method of claim 1, wherein the heterogeneous network is Telematics integrated interworking system, characterized in that the wired communication network, including power line communication, Ethernet, home PNA, IEEE1394, ADSL and USB. The method of claim 1, wherein the heterogeneous network is A telematics integrated interworking system that is a wireless network including WLAN, CDMA, GPRS, UMTS, zigbee, UWB, home RF, Blutooth and Wipi. The method of claim 1, wherein the network connection unit A telematics integrated interworking system having one or more network interface platforms, searching for a wireless communication network within a signal area, selecting and accessing a network that guarantees an optimal connection environment, and searching for a new network at a regular interval. The method of claim 1, wherein the GPS receiver Receiving satellite positioning signals from one or more satellites, calculating coordinate values of the vehicle position from the received signals, and mapping the coordinate values to map information retrieved from the storage unit to generate location information data of the current vehicle. Telematics integrated interworking system, characterized in that. The method of claim 1, wherein the control unit Accessing the central server through the network connection unit, requesting information requested by the user through the input / output unit to the central server, storing the data received from the central server in the storage unit, or providing the user with the input / output unit to the GPS; Telematics integrated linkage system for providing a user through the input and output unit received through the receiver, the vehicle management unit. The method of claim 6, wherein the control unit Telematics that displays the location information data received from the GPS receiver via the input and output unit as an image, and retrieves the surrounding area information of the current location from the storage unit to include in the GPS information provided to the user through the input and output unit together with the telematics Integrated Interlock System. The method of claim 6, wherein the control unit Telematics integrated interworking system that can output the multimedia data received through the network or the multimedia data stored in the storage unit through the output unit as a video or audio. The method of claim 6, wherein the control unit Detects the state of the vehicle detected by the sensor of the vehicle management unit and transmits it to the user through video input / output through the input / output unit, and transmits the vehicle abnormal signal to the central server through the network connection unit when an abnormality occurs. Telematics integrated linkage system provided with the location information of the workshop. In the telematics integration system, A first step of confirming a network connection state by sequentially transmitting a control flag including SYN for each platform through a network interface at the network connection unit; Waiting for a response message of the central server to the control flag in each platform; A third step of distinguishing a platform from which the response message is received from the central server and a platform not received; And A fourth step of accessing a network by selecting one or more platforms based on a user's selection or a priority stored in the received platforms; Telematics integrated interworking system configured to include. The method of claim 10, wherein the internally stored priority is Telematics integrated linkage system that can calculate the priority in consideration of the cost of data transmission, the stability of the network, the maximum and average transmission speed of the network, and change the priority according to the user's setting.

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