KR20100097779A - Car nevigation system having a function of offering traffic information - Google Patents

Abstract

PURPOSE: A vehicle navigation system having a traffic image providing function is provided to enhance the efficiency of driving by modifying the driving route of a vehicle according to a road situation. CONSTITUTION: A vehicle navigation system(107) comprises a plurality of traffic information image collecting devices(105) and a service server(101). The traffic information image collecting device collects region traffic information through a wired/wireless network. The service server divides the region traffic information based on a region, registers the region traffic information in a database server(103), collects the coordinate information and the navigation terminal information according to an established communications protocol, extracts the traffic image in a given distance from the database server based on the coordinate information, and then transmits the corresponding traffic image based on the navigation terminal information. The vehicle navigation system comprises a wireless communications module for the communications connection with the wired/wireless network, transmits the navigation terminal information and the current coordinate information according to a vehicle driving through the wireless communications module and pops up the traffic image on a monitor.

Description

Car navigation system with traffic image provision function {CAR NEVIGATION SYSTEM HAVING A FUNCTION OF OFFERING TRAFFIC INFORMATION}

The present invention relates to a vehicle navigation, and more particularly, after collecting a video of each traffic information acquisition camera is installed in real time, a traffic image providing function that can pop up a traffic image corresponding to a navigation route set in a certain distance before It relates to a vehicle navigation system having a.

In general, the Global Positioning System (GPS), as known, orbits the earth about 20,000 km above the ground and transmits three GPS satellites on each of six orbits that transmit signals for the current position and time signals. Dogs (one extra satellite is included in each track) at equal intervals, and a GPS receiver installed in a vehicle is used to receive and process signals transmitted from the GPS satellites to detect the location of the GPS receiver. To make it possible.

Looking at the configuration of such a GPS receiver, it is composed of an antenna, a key input unit, a GPS receiving module, a display unit. The antenna receives signals from three or more GPS satellites orbiting the earth's orbit and outputs them to the GPS receiving module. The key input unit outputs a key signal such as a menu selection input by the vehicle driver using the GPS receiver to the GPS receiving module.

The GPS receiving module detects the current position information based on the position information transmitted from three or more GPS satellites received through the antenna according to the key operation signal of the vehicle driver input from the key input unit, and displays the detected position information through the display unit. To control. The display unit displays the current location information on the screen under the control of the GPS receiving module.

The GPS receiver configured as described above receives signals transmitted from three or more GPS satellites through an antenna, and then detects a current position based on information received from three or more GPS satellites through an antenna in the GPS receiving module, and then detects the location. The information is displayed on the screen through the display unit so that the vehicle drivers can check the information of the area where they are located.

However, the GPS receiver used in the general vehicle as described above simply provides the road information to the destination desired by the driver of the vehicle or the road information of the region where the vehicle is currently located. There was a problem that the information can not be provided in detail.

Of course, in recent years, some operators have provided services that enable real-time traffic information to be checked by vehicle navigation (eg, Digital Multimedia Broadcasting (DMB) Transport Protocol Experts Group (TPeg)), but the method is limited to speed information. Therefore, the range of providing graphic processed information or real-time traffic information is extremely limited such as highways and highways.

In addition, in order to provide real-time traffic information, in order to collect a large number of real-time traffic information, a large number of radio information detectors (Radio Beacon) are operated, or a probe car periodically passing through the road section to be collected, or various wireless There is a problem in that it takes a considerable cost and time to collect and provide real-time traffic information because it must operate a predetermined section periodically using a traffic information collection terminal with a built-in communication device.

The present invention has been made to solve such a problem, and an object of the present invention is to provide a traffic image corresponding to a set driving route in real time, in addition to the activation of a vehicle navigation apparatus, thereby expanding the functionality of the vehicle navigation. The present invention provides a vehicle navigation system having an image providing function.

Another object of the present invention is to provide a vehicle navigation system having a traffic image providing function capable of efficiently setting a driving route of a driver by providing a traffic situation on a driving route in real time.

A vehicle navigation system having a traffic image providing function according to an aspect of the present invention for achieving the above object, in a vehicle navigation system for providing traffic information, wired and wireless communication network for establishing a wired or wireless communication infrastructure, and the wired and wireless communication network A plurality of traffic information image collecting apparatuses (including CCTV cameras) for collecting traffic information for each region based on; And classify the traffic information by region into a database unit, register and manage the information with a database server, receive coordinate information and navigation terminal information according to a set communication protocol, and transmit a traffic image within a predetermined distance from the database server based on the coordinate information. A service server for transmitting the traffic image based on the navigation terminal information after extraction; The vehicle navigation includes a wireless communication module for communication connection with the wired / wireless communication network, transmits the navigation terminal information and the current coordinate information according to the driving of the vehicle through the wireless communication module, and displays the traffic image on a monitor. It is characterized in that the pop-up.

According to the present invention, by providing a traffic image according to a driving route on one side of a vehicle navigation screen, the vehicle driving route for each road situation can be modified and changed, thereby improving driving efficiency, and avoiding traffic jams. It is effective to save time.

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

1 is a block diagram showing the main functions of the vehicle navigation system according to the present invention. As shown in the drawing, a wired / wireless communication network for establishing a wired or wireless communication infrastructure, a traffic information image collecting device 105 for collecting traffic information for each region based on the wired / wireless communication network, and the traffic information for each region are classified by region. Register and manage with the database server 103, receive coordinate information and navigation terminal information according to a set communication protocol, extract a traffic image within a predetermined distance from the database server 103 based on the coordinate information, and then navigate A service server 101 for transmitting the corresponding traffic image based on the terminal information, and a wireless communication module for communication connection with the wired / wireless communication network, and the navigation terminal information and the current according to the driving of the vehicle through the wireless communication module. It transmits the coordinate information of, and pops up the traffic image on the monitor. Made by ligation (107).

The traffic information collected from the traffic information image collecting device 105 includes unique information about each traffic information image collecting device 105 including traffic images for each region. In addition, the traffic image may be a moving image or a still image that may recognize a real-time traffic situation, and may be graphic information processed in a color corresponding to the traffic situation as needed, or may be numerical information indicating a simple average driving speed.

Meanwhile, the traffic image is a traffic image on a driving route indicated by the navigation 107, and is popped up on the monitor of the navigation 107 when the traffic image is located within a predetermined distance from the position of the corresponding traffic information image collecting device that provides the traffic image. This is preferred. Of course, the predetermined distance is distance information that can be set by the user and may be variably defined according to the type of road. For example, a traffic image of 2Km can be popped up on a general road, and a traffic image of 30Km can be provided on a highway.

As described above, the navigation 107 according to the present invention includes a wireless communication module that can be connected to a wired or wireless communication network, and the wireless communication module includes RF type communication, such as wireless LAN, CDMA, WCDMA, WIBRO method, and the like. Could be applied.

2 is a configuration diagram for explaining the main functions of the service server 101 according to the present invention. As shown, a communication module 207 for receiving the traffic information based on a connection with the wired / wireless communication network or mounting the traffic image information extracted corresponding to the coordinate information as the wired / wireless communication network, the received traffic information and A memory 203 for temporarily storing and managing the traffic image information to be transmitted, a traffic information analysis module 209 for analyzing the traffic information, and separating the traffic image into regions and navigating the information received from the navigation 107. And a terminal information analysis module 211 for separating coordinate information and service information, a service analysis module 213 for extracting the service information, and a service analysis module 213 for recognizing a service state for a corresponding navigation. After receiving and storing the traffic image of the traffic information into the memory 203, the area extracted by the traffic information analysis module 209 The traffic image is registered and managed by the database server 103 according to a report, and coordinate information corresponding to the position of the current navigation 107 from the terminal information analysis module 211 and service information set from the navigation 107 are determined. A control module 201 extracts a traffic image corresponding to a certain road from the database server 103 and transmits and controls the extracted traffic image information to the corresponding navigation through the communication module 207.

The DB operation module 205 which is not described operates to register traffic information to the database server 103 or extract the registered traffic image from the database server 103 in response to an instruction of the control module 201. Module.

The service server 101 configured as described above accumulates and manages the traffic image of the traffic information in real time, and provides a traffic image for an arbitrary area based on navigation terminal information and coordinate information transmitted from the navigation 107. The navigation terminal information includes driving direction information according to current vehicle driving, including unique code information for navigation. The unique code information may be assumed to be an IP address applied to a wireless communication module, and the driving direction information is for determining a road on which a vehicle is currently driven, and a driving direction may be set based on a continuous coordinate change. Of course.

On the other hand, the service server 101 in real-time collecting traffic information, registered as a database server 103 via a wired or wireless communication network, the service server 101 is a real-time traffic image from a separate content provider (CP) Information may be provided. That is, the service server 101 may maintain a wireless communication session of the navigation 107 and operate only a service for wirelessly transmitting a traffic image provided from a content provider CP to the navigation 107.

3 is a block diagram showing the main functions of the navigation according to the present invention. As shown, a touch for displaying driving route information according to a unique function of the vehicle navigation, displaying traffic image information at a set position corresponding to the driving route, and performing data input for user's service request and route setting The screen 315, a GPS receiver 311 for receiving coordinate information from a plurality of GPS satellites, and wireless communication with the wired and wireless communication networks, coordinate information, direction information, and unique code information of a navigation terminal. And a wireless communication unit 309 for transmitting service information according to a user setting, receiving traffic image information through the wired / wireless communication network, unique code information of the navigation terminal and service information according to user setting, and a navigation operation program. The mounted program memory 303 and a navigation paper as an external memory. A data memory 307 for storing information, a buffer memory 305 for temporarily storing traffic image information received from the wireless communication unit 309, and a navigation operation program mounted in the program memory 303; When the navigation unique code information, driving direction information, and service information are provided to the wireless communication unit 309 at predetermined time intervals, and the traffic image information received from the wireless communication unit 309 is stored in the buffer memory 305, It is composed of an operation control unit 301 for popping this to one side space allocated on the watch screen 315.

As described above, the service information is to set a pop-up position for the traffic image information, and is setting information for determining how many Km ahead of the traffic image is received on the driving route. The unique code information is information set in the manufacturing process as hardware information. The driving direction information indicates the direction of the vehicle, which indicates the navigation, that is, the driving direction of the vehicle or the direction on the currently running road. This driving direction is a unique function of navigation, and a detailed principle or explanation thereof will be omitted. The coordinate information is coordinate information received by the GPS receiver 311. The above information will be collectively referred to as navigation information.

The buffer memory 305 performs buffering to display traffic image information received from the wireless communication unit 309 on the watch screen. When the traffic image information is a still image, the buffer memory 305 is a small capacity. Buffering using the internal memory of the operation control unit 301 may be performed.

Hereinafter, the operation of the present invention will be described.

First, the service server 101 registers and manages traffic information for each region received from the traffic information image collecting device 105 to the database server 103. The traffic information is real-time traffic information (including VMS traffic information) captured by the traffic information image collecting device 105, and may be managed as a moving picture or a still image as necessary. In addition, the traffic information may be provided by a content provider (CP), the service server 101 is in communication with at least one content provider (CP).

On the other hand, the navigation 107 is a route is set when the vehicle is running, the operation control unit 301 is based on the operating algorithm of the program memory 303, the geographic information corresponding to the set driving route from the data memory 307 Patch it. In addition, the operation control unit 301 receives coordinate information corresponding to the current position from the GPS receiver 311, and retrieves and displays the geographic information according to the displacement amount of the coordinate information.

In this case, the user inputs service information through the navigation 107. The service information is a popup position for the traffic image information 111, and inputs predetermined distance information. This is to set how many Km ahead of the traffic image. For example, when driving on the highway, traffic images of 20 km ahead may be popped up, and traffic images about 2 km ahead of the driving direction may be popped up on a general road. Such service information may be set by a user or set to any default value.

As described above, the operation control unit 301 transmits navigation information, that is, service information, coordinate information, direction information, and unique code information through the wireless communication unit 309 together with the operation of the navigation 107. The navigation information is transmitted to the service server 101 through a wired / wireless communication network, and the communication module 207 of the service server 101 demodulates data and provides the navigation information to the control module 201.

The control module 201 starts the terminal information analysis module 211 and provides navigation information to the terminal information analysis module 211. The terminal information analysis module 211 classifies the navigation information into service information, coordinate information, and direction information according to a set protocol and provides the same to the control module 201. The control module 201 maintains a communication session based on unique code information of the navigation information, and then stores the service information, coordinate information, and direction information in the memory 203.

Subsequently, the control module 201 provides the service information to the service analysis module 213 and pops up how many Km ahead of the service information, that is, the traffic image information analyzed and processed from the service analysis module 213, in front of the user. Recognize viewpoint information. The control module 201 identifies a road on which the navigation 107 is located among preset road information based on coordinate information and direction information. In addition, the control module 201 determines the positions of the traffic information image collecting apparatuses installed on the identified roads, and recognizes unique information (identification code) of any one of the traffic information image collecting apparatuses based on the pop-up view point information.

The control module 201 provides the recognized unique information to the DB operating module 205, and the DB operating module 205 extracts the traffic image information corresponding to the unique information and provides it to the control module 201. . The control module 201 provides the extracted traffic image information to the communication module 207 and includes unique code information for the navigation terminal. Therefore, the communication module 207 modulates the traffic image information and the unique code information according to a set communication protocol.

The unique code information mounted on the wired / wireless communication network is tuned and received by the wireless communication unit 309 of the navigation 107, and the wireless communication unit 309 receives traffic image information through a demodulation process. The wireless communication unit 309 provides the traffic image information to the buffer memory 305, the buffer memory 305 loads the traffic image information in units of frames. In this case, the traffic video information may be continuously provided as a video until the navigation leaves a certain area, and may be repeatedly played for a set time, for example, 10 seconds, if necessary. It may be desirable to provide a repeatedly played video until the navigation is out of a predetermined distance.

Accordingly, the operation control unit 301 receives the video, that is, the traffic image information, mounted in the buffer memory 305 in units of frames and displays the video on one side of the touch screen 315 through the interface 313. It would be appropriate for the display method to have a pop-up structure. 4 is a navigation screen shown in an embodiment of the present invention. As shown in the figure, it is possible to recognize the traffic situation after 10 km ahead in real time based on the set pop-up viewpoint information, and can provide an average running speed as needed. Therefore, the user may of course change the current driving route using the route reset button provided as the navigation 107.

As described above, the vehicle navigation system having a traffic image providing function according to the present invention fuses a vehicle navigation algorithm and a real-time traffic information or VMS traffic information providing algorithm, thereby ensuring stability and efficiency of vehicle operation, and also providing navigation. As the market can expand, the industrial value is expected to be high.

1 is a block diagram showing an entire network of a vehicle navigation system according to the present invention.

FIG. 2 is a diagram illustrating the main functions of the service server of FIG. 1.

FIG. 3 is a diagram illustrating the main functions of the navigation of FIG. 1.

4 is a view showing a navigation screen for explaining the operation state of the present invention.

<Explanation of symbols for main drawings>

101: service server 103: database server

105: traffic information image collecting device 107: navigation

109: driving route information 111: traffic video information

201: control module 203: memory

205: DB operation module 207: communication module

209: traffic information analysis module 211: terminal information analysis module

213: service analysis module 301: operation control unit

303: program memory 305: buffer memory

307: data memory 309: wireless communication unit

311: GPS receiver 313: interface

315: touch screen

Claims (7)

In a vehicle navigation system for providing traffic information, A wired / wireless communication network for establishing a wired or wireless communication infrastructure, and a plurality of traffic information image collecting devices for collecting traffic information for each region based on the wired / wireless communication network; And The traffic information for each area is classified and managed by a database server and registered and managed by a database server, and coordinate information and navigation terminal information are received according to a set communication protocol, and traffic images within a predetermined distance are extracted from the database server based on the coordinate information. And a service server for transmitting the corresponding traffic image based on the navigation terminal information; The vehicle navigation includes a wireless communication module for communication connection with the wired / wireless communication network, transmits the navigation terminal information and the current coordinate information according to the driving of the vehicle through the wireless communication module, and displays the traffic image on a monitor. Vehicle navigation system having a traffic image providing function characterized in that the pop-up. The method of claim 1, The wireless communication module of the wired / wireless communication network and the navigation may include any one of wireless LAN, CDMA, WCDMA, and WIBRO, including RF communication. The method according to claim 1 or 2, The traffic image is any one of a moving picture, a VMS information, a still image, a graphic corresponding to the traffic situation, and numerical information indicating an average driving speed. system. The method according to claim 1 or 2, The traffic image is a vehicle navigation system having a traffic image providing function, characterized in that the pop-up process on the navigation monitor when approaching within a predetermined distance from the location of the traffic information image collection apparatus. The method according to claim 1 or 2, The service server may include: a communication module configured to receive the traffic information based on a connection with the wired / wireless communication network or to mount the traffic image information extracted corresponding to the coordinate information as a wired / wireless communication network; A memory for temporarily storing and managing the received traffic information and the traffic image information to be transmitted; A traffic information analysis module for separating the traffic image by region by analyzing the traffic information; A terminal information analysis module for separating the information received from the navigation into navigation terminal information, coordinate information, and service information; A service analysis module for extracting the service information and recognizing a service state for a corresponding navigation; Receiving the traffic information from the communication module, storing the traffic image of the traffic information into the memory, and registering and managing the traffic image with the database server according to the region information extracted through the traffic information analysis module; Based on the coordinate information corresponding to the location of the current navigation from the terminal information analysis module and the service information set from the navigation, a traffic image corresponding to an arbitrary road is extracted from the database server, and the extracted traffic image information is extracted from the database module. A control module for controlling transmission to the corresponding navigation; And And a DB operation module configured to register traffic information to the database server in response to an instruction of the control module or to extract a registered traffic image from the database server. The method according to claim 1 or 2, The navigation device may include: a touch screen configured to display driving route information according to a unique function of the vehicle navigation, display traffic image information at a location set corresponding to the driving route, and perform data input for user service request and route setting; A GPS receiver for receiving coordinate information from a plurality of GPS satellites; Wireless to perform wireless communication with the wired / wireless communication network to transmit coordinate information, direction information, unique code information of a navigation terminal, and service information according to a user setting, and receive traffic image information through the wired / wireless communication network. Communication unit; A program memory for storing unique code information of the navigation terminal and service information according to a user setting, and including a navigation operation program; A data memory for storing navigation geographic information as an external memory; A buffer memory for temporarily storing traffic image information received by the wireless communication unit; And A navigation operation program mounted in the program memory is started, and the navigation unique code information, driving direction information, and service information are provided to the wireless communication unit at predetermined time intervals, and the traffic image information received from the wireless communication unit is transferred to the buffer memory. When stored, the vehicle navigation system having a traffic image providing function, characterized in that it is configured with an operation control unit for popping it to one side space allocated on the watch screen. The method of claim 6, The buffer memory is a vehicle navigation system having a traffic image providing function, characterized in that the internal memory of the operation control unit.

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