KR100837756B1 - Area information guidance method for using DSRC RSE registration table - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to a method for guiding local information using a database of a short-range wireless communication roadside base station.

2. The technical problem to be solved by the invention

According to the present invention, by providing an information registration function to a roadside base station in a short-range wireless communication (DSRC) network, the vehicle-mounted device processes and provides information required by the vehicle-mounted device so that the vehicle-mounted device can receive information within the communication area of the same roadside base station. To provide a method of guiding local information to enable it and a computer-readable recording medium recording a program for realizing the method.

3. Summary of Solution to Invention

According to the present invention, in the local information guide method, the surrounding area building location information server generates building location information for each building type using the building location information, and processes it into a form that can be provided by each roadside base station. A first step of registering location information in a database of the corresponding roadside base station; A second step of each of the roadside base stations receiving building type information from a vehicle-mounted device entering a corresponding communication area; A third step of each roadside base station retrieving the surrounding area building location information for each building type corresponding to the building type information from the database and transmitting the location information to the vehicle loading apparatus; And a fourth step in which the vehicle-mounted device outputs surrounding area building location information for each building type.

4. Important uses of the invention

The present invention is used for intelligent transport system short-range wireless communication (DSRC) two-way data transmission service.

Short-range wireless communications (DSRC), roadside base station, vehicle mounting equipment, location information of surrounding buildings, building type information, local information

Description

Area information guidance method for using DSRC RSE registration table}             

1 is an exemplary configuration of a traffic communication network using short-range wireless communication to which the present invention is applied.

2 is a flowchart illustrating a method for guiding local information using a database of a short-range wireless communication roadside base station according to the present invention.

3 is a diagram illustrating an embodiment of a method for guiding local information using a database of a short-range wireless communication roadside base station according to the present invention;

4 is an exemplary explanatory diagram showing a database of a roadside base station used in the present invention.

5A to 5F are exemplary views illustrating building type information messages received by a roadside base station used in the present invention.

6A to 6F are diagrams illustrating one embodiment of a guide message received by the on-vehicle device according to the present invention.

* Explanation of symbols for the main parts of the drawings                 

10: surrounding area building location information server 20: roadside base station

30: vehicle mounting apparatus

The present invention relates to a method of guiding local information using a database of a Dedicated Short Range Communication (DSRC) roadside station in an Intelligent Transport System (ITS) and a computer-readable recording program for realizing the method. It relates to a recording medium.

In general, short-range wireless communication (DSRC) refers to a roadside short-range wireless communication roadside device (hereinafter referred to as a roadside base station) among element technologies of an intelligent transportation system (ITS) and a short-range wireless communication in-vehicle device (hereinafter referred to as a roadside base station). Within the communication radius of a relatively short distance (for example, within 100m) between two vehicle-mounted devices) to improve traffic efficiency and reduce running costs through automatic toll collection and road traffic safety information. Refers to dedicated communications between vehicle onboard equipment and roadside base stations.

In short-range wireless communication (DSRC), the communication area of a roadside base station is relatively small compared to base stations of wide area wireless communication networks (cellular, PCS, IMT-2000, etc.). In addition, while the wide area wireless network guarantees continuity of communication such as handover, the short range wireless communication (DSRC) does not support handover in a spot type communication method. In addition, since short-range wireless communication (DSRC) targets a vehicle moving at a high speed, the communication time between the vehicle-mounted device and the roadside base station is very limited.

Therefore, when the vehicle-mounted device requests information to the center server through the roadside base station, it is likely that information reception is impossible in the communication area of the same roadside base station due to the processing time and transmission time of the server.

That is, short-range wireless communication (DSRC) is installed in a specific area and has a feature that the communication area is limited to a short distance. In addition to the advantage of knowing the current location has the advantage that can provide the most suitable information to the current location mainly in the form of a broadcast. However, the driver request service that requires a long processing time is very likely to leave the communication area without receiving the service because of the short communication time due to the narrow speed of the vehicle and its fast moving area.

Therefore, in the current technical field, by providing the information registration function to the roadside base station in the short-range wireless communication (DSRC) network, the vehicle-mounted device enables the reception of the requested information of the same roadside communication device according to the processing time and transmission time of the server. There is an urgent need for a way to solve the problem of the inability to receive information in the communication area.

The present invention has been proposed in order to meet the above demands, and by providing information registration function to a roadside base station in a short-range wireless communication (DSRC) network, processing and providing the information required by the on-vehicle device, vehicle mounting It is an object of the present invention to provide a local information guiding method for enabling information reception within a communication area of the same roadside base station and a computer-readable recording medium storing a program for realizing the method.

In the present invention for achieving the above object, in the local information guide method, the surrounding area building location information server generates building location information for each building type by using the building location information, and processed into a form that can be provided by each roadside base station A first step of registering the location information of the surrounding area by building type in the database of the corresponding roadside base station; A second step of each of the roadside base stations receiving building type information from a vehicle-mounted device entering a corresponding communication area; A third step of each roadside base station retrieving the surrounding area building location information for each building type corresponding to the building type information from the database and transmitting the location information to the vehicle loading apparatus; And a fourth step of the vehicle-mounted device to output surrounding area building location information for each building type.

In another aspect, the present invention, the method for guiding local information, comprising: a first step in which the surrounding area building location guide server collects building location information; A second step of generating, by the surrounding area building location guide server, building location information for each building type based on the collected building location information; A third step of the surrounding area building location information server configuring the surrounding area building location information for each roadside base station based on the generated building location information for each building type; And a fourth step of periodically instructing the surrounding area building location information server to register the surrounding area building location information for each configured building type in a database of the corresponding roadside base station.

The present invention also provides a method for guiding a local information, comprising: a first step in which a roadside base station registers surrounding area building location information for each building type received from a surrounding area building location information server; A second step of receiving, by the roadside base station, building type information from a vehicle-mounted device entering a corresponding communication area; And a third step of the roadside base station extracting the location information of the surrounding area buildings by building type corresponding to the received building type information from the database and transmitting the extracted location information to the vehicle mounting apparatus.

The present invention for achieving the above object, in a short-range wireless communication (DSRC) system having a processor, the surrounding area building location information server using the building location information to generate building location information for each building type, to be provided by each roadside base station A first function of processing the information into a database of the roadside base station by processing the building location information of the surrounding area by building type; A second function of each roadside base station receiving building type information from a vehicle-mounted device entering a corresponding communication area; A third function for each roadside base station to search for surrounding location building location information for each building type corresponding to the building type information in a corresponding communication area from the database and transmit the location information to the vehicle mounting apparatus; And a computer-readable recording medium having recorded thereon a program for realizing a fourth function for the vehicle-mounted device to output location information of surrounding area buildings for each building type.

And the present invention, the surrounding area building location information server, the first area for the building location information server surrounding area information collection; A second function of generating, by the surrounding area building location guide server, building location information for each building type based on the collected building location information; A third function of the surrounding area building location guide server constituting the surrounding area building location information for each roadside base station based on the generated building location information for each building type; And a computer-readable recording medium having recorded thereon a program for realizing a fourth function of periodically instructing the surrounding area building location information server to register the surrounding area building location information for each configured building type in a database of the corresponding roadside base station. to provide.

In addition, the present invention, the base station having a processor, the first base station registers the surrounding area building location information for each building type received from the surrounding area building location information server in the database; A second function of receiving, by the roadside base station, building type information from a vehicle-mounted device entering a corresponding communication area; And recording, by the roadside base station, a program for realizing a third function of extracting, by the database, surrounding area building location information for each building type corresponding to the received building type information from the database to the vehicle-mounted device. Provide the medium.

The present invention enables the vehicle driver to actively inform the buildings that are available to perform a specific task, thereby facilitating the location of the building, and to find available buildings in a short time, so that the driver does not spend unnecessary time on the road. To increase the efficiency and to increase the convenience of operation.

To this end, the present invention generates building location information for each building type by using the building location information collected through the geographic information collection path, processed into a form that can be provided by each roadside base station, and then registered with the roadside base station, When the building type information is received from the vehicle-mounted device, the relevant information registered at the roadside base station is extracted and transmitted to the vehicle-mounted device so that the vehicle-mounted device outputs this information on a simple map screen.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exemplary configuration diagram of a traffic communication network using short-range wireless communication to which the present invention is applied, and shows an example of an intelligent transport system (ITS).

As shown in FIG. 1, a hardware system for bidirectional communication between a vehicle-mounted device and a roadside base station 20 to which the present invention is applied includes a DSRC roadside base station 20 to which a roadside communication device having a communication area within 50-100 m is applied. And a DSRC vehicle mounting apparatus mounted inside the vehicle capable of transmitting and receiving information with the roadside base station 20, and a surrounding area building location guide server 10 for classifying and registering building location information for each building type.

The surrounding area building location information server (10) processes the building location information collected through various geographic information collection paths in an electronic form that can be used for the location information of the surrounding area, using the roadside station 20 for all roadside base stations. The location information of the base station 20 is sorted by building type to be registered by the roadside base station 20, and then registered and updated in the corresponding roadside base station 20.

Each of the vehicle-mounted device and the roadside base station 20 is a short-range wireless communication (DSRC) device, and performs a bidirectional communication role between the vehicle and the roadside.

In the present invention, the collection method of building location information is not limited.

The hardware system for bidirectional communication between the vehicle-mounted device and the roadside base station 20 is processed into a form capable of providing local building location information collected through short-range wireless communication (DSRC) at each roadside base station 20 of the building. After that, it registers with the roadside base station 20, and when the roadside base station 20 receives the building type information from the vehicle-mounted device, the information registered with the roadside base station 20 is transmitted to the vehicle-mounted device, and the vehicle-mounted device receives this information. To display on the screen. Looking at this in more detail as follows.

The surrounding area building location information server 10 processes the building location information for each building type into a form that can be provided by each roadside base station 20 using building location information collected through various geographic information collecting paths. It is registered in the database DB of (20). Thereafter, when the roadside base station 20 receives the building type information from the vehicle loading apparatus, the roadside base station 20 transmits the registered information to the vehicle mounting apparatus so that the vehicle mounting apparatus outputs the information on the screen.

That is, the surrounding area building location information server 10 generates building location information for each building type based on the collected surrounding area building information, and constructs surrounding area building location information for each roadside base station 20 by building type. It is instructed to periodically register the generated surrounding building location information with each roadside base station 20.

In addition, the DSRC roadside base station 20 registers the location information of the surrounding area of each building type received from the surrounding area building location information server 10 in the DB, and receives the building type information from a specific vehicle-mounted device entering the communication area. In addition, the location information of the building corresponding to the building type is extracted from the DB and transmitted to the vehicle mounting apparatus.

In addition, the vehicle-mounted device in the vehicle outputs the information on the screen when the driver inputs the building type information, enters the communication area of the roadside base station 20, and receives the building location information for each building type from the roadside base station 20. do.

FIG. 2 is a flowchart illustrating a method for guiding local information using a database of a short-range wireless communication roadside base station according to the present invention, wherein the surrounding area building location guide server 10, the roadside base station 20, and the vehicle loading apparatus 30 are shown in FIG. This section describes the procedures for locating the surrounding area using DSRC.

First, building location information is collected using various geographic information collection paths in the surrounding area building location guide server 10. And by generating the building location information for each building type based on all the collected building location information, after generating the building location information of the surrounding area by building type for all the roadside base station (20), the building information of the surrounding area building by building type periodically In order to register each roadside base station (20) (201).

Thereafter, the DSRC roadside base station 20 registers the surrounding area building location information for each building type received from the surrounding area building location information server 10 in the DB (202).

Next, when the vehicle driver inputs building type information to the vehicle mounting apparatus 30 (203), the vehicle mounting apparatus 30 composes a building type message (204). Subsequently, when the vehicle mounting apparatus 30 can communicate with the roadside base station 20, the vehicle mounting apparatus 30 transmits a building type message to each roadside base station 20 (205). Then, each roadside base station 20 receives the building type message from the vehicle loading device 30 passing through the corresponding point, and retrieves the surrounding area building location information corresponding to the building type from the DB and loads the corresponding vehicle loading device 30 (206).

That is, the DSRC roadside base station 20 registers the surrounding area building location information for each building type received from the surrounding area building location information server 10 in the DB, and provides the building type information from the specific vehicle loading device 30 entering the communication area. When receiving, extracts the surrounding area building location information for each building type from the DB and transmits it to the vehicle mounting apparatus 30.

Finally, the vehicle mounting apparatus 30 outputs the surrounding area building location information for each received building type on the screen (207).

3 is a diagram illustrating an embodiment of a method for guiding local information using a database of a short-range wireless communication roadside base station according to the present invention.

In FIG. 3, a vehicle with a simplified road network, various types of buildings, and a vehicle mounting apparatus can be seen. The English letters (A to X) on the road are installed base stations.

At any place on the road, the vehicle driver first inputs the building type information he / she wants to know to the vehicle mounting apparatus. In this case, the input method may be a menu type, a direct input, a voice input, or a pen input on a map. Then, the vehicle mounting apparatus constructs a building type information message as shown in FIGS. 5A to 5F by using the input building type information. That is, a message such as FIG. 5a for a gas station, FIG. 5b for a parking lot, FIG. 5c for a post office, FIG. 5d for a bank, FIG. 5e for a police station, and FIG. 5f for a hospital.

On the other hand, the database on the roadside base station (A ~ X) is based on the building location information collected by the neighboring building location information server through various paths, and the location information of the surrounding area building by building type is appropriate for each roadside base station (A ~ X). It is processed as shown in Figure 4 and registered. 3, the location of each building type is specified, and the coordinate setting is expressed by (0,0) on the lower left and (12,12) on the right.

Thereafter, the vehicle type information message as shown in FIGS. 5A to 5F is transmitted to the roadside base station (any one of A to X) where the vehicle proceeds first. Receiving this, the roadside base station (any one of A to X) refers to the surrounding area building location information (FIG. 4) registered in the database, and displays the message of FIG. If the message of Figure 6b, the post office message of Figure 6c, the bank of Figure 6d, the police station of the message of Figure 6e, in the case of the hospital using the message of Figure 6f informs the onboard device . The vehicle-mounted device which receives this is transmitted by voice or expressed on a simple map screen. Of course, depending on the performance of the vehicle-mounted device may be represented in high-definition graphics.

The above operations are repeated every time the vehicle equipped with the vehicle-mounted device runs and encounters a new roadside base station.

The method of the present invention as described above may be implemented as a program and stored in a computer-readable recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto-optical disk, etc.).

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be apparent to those of ordinary skill in Esau.

The present invention as described above, the vehicle driver to actively notify the buildings available to perform a specific task to facilitate the location of the building, and to find the available building in a short time, so that the driver Since it is not sent from the road, the road efficiency can be increased, and the convenience of driving can be increased.

Claims (9)

In the local information guidance method, Peripheral building location information server generates building location information for each building type by using the building location information, processes it into a form that can be provided by each roadside base station, and registers the location information of surrounding area buildings by building type in the database of the corresponding roadside base station. First step; A second step of each of the roadside base stations receiving building type information from a vehicle-mounted device entering a corresponding communication area; A third step of each roadside base station retrieving the surrounding area building location information for each building type corresponding to the building type information from the database and transmitting the location information to the vehicle loading apparatus; And A fourth step in which the vehicle-mounted device outputs location information of surrounding area buildings by building type; Local information guidance method using a database of short-range wireless communication roadside base station comprising a. The method of claim 1, The surrounding area building location information server, After collecting building location information through the geographic information collecting path, and constructing location information of surrounding area buildings by building type for each roadside base station based on the collected building location information, the location information of surrounding area buildings by building type is configured. Local information guidance method using a database of short-range wireless communication roadside base station, characterized in that it is periodically ordered to register in the database of each roadside base station. The method of claim 1, Each of the roadside base stations, After registering the building location information for each building type received from the surrounding area building location information server in the database, the building type information is received from the vehicle-mounted device entering the communication area, and the building corresponding to the received building type information. Method for guiding local information using a database of short-range wireless communication roadside base station which extracts surrounding location building information by type from the database and transmits the location information to the vehicle-mounted device. In the local information guidance method, A first step of collecting building location information by the surrounding area building location information server; A second step of generating, by the surrounding area building location guide server, building location information for each building type based on the collected building location information; A third step of the surrounding area building location information server configuring the surrounding area building location information for each roadside base station based on the generated building location information for each building type; And A fourth step of periodically instructing the surrounding area building location information server to register the surrounding area building location information for each configured building type in a database of the corresponding roadside base station; Local information guidance method using a database of short-range wireless communication roadside base station comprising a. In the local information guidance method, A first step in which the roadside base station registers the surrounding area building location information for each building type received from the surrounding area building location information server in a database; A second step of receiving, by the roadside base station, building type information from a vehicle-mounted device entering a corresponding communication area; And A third step of the roadside base station extracting location information of surrounding area buildings by building type corresponding to the received building type information from the database and transmitting the extracted location information to the vehicle mounting apparatus; Local information guidance method using a database of short-range wireless communication roadside base station comprising a. The method according to any one of claims 1 to 5, The vehicle mounting apparatus, When receiving the building type information from the driver, a building type information message is constructed and transmitted to the roadside base station, and the short-range radio, which outputs the location information of surrounding area buildings by the type of buildings received from the roadside base station, on a voice or map screen. Local information guidance method using communication roadside base station database. In short-range wireless communications (DSRC) systems with processors, Peripheral building location information server generates building location information for each building type by using the building location information, processes it into a form that can be provided by each roadside base station, and registers the location information of surrounding area buildings by building type in the database of the corresponding roadside base station. First function; A second function of each roadside base station receiving building type information from a vehicle-mounted device entering a corresponding communication area; A third function for each roadside base station to search for surrounding location building location information for each building type corresponding to the building type information in a corresponding communication area from the database and transmit the location information to the vehicle mounting apparatus; And A fourth function of the vehicle-mounted device outputting location information of surrounding area buildings by building type A computer-readable recording medium having recorded thereon a program for realizing this. In the surrounding location building server, A first function of collecting building location information by the surrounding area building location guide server; A second function of generating, by the surrounding area building location guide server, building location information for each building type based on the collected building location information; A third function of the surrounding area building location guide server constituting the surrounding area building location information for each roadside base station based on the generated building location information for each building type; And A fourth function of periodically instructing the surrounding area building location information server to register the surrounding area building location information for each configured building type in a database of the corresponding roadside base station; A computer-readable recording medium having recorded thereon a program for realizing this. To a roadside base station equipped with a processor, A first function of the roadside base station registering the surrounding area building location information for each building type received from the surrounding area building location information server; A second function of receiving, by the roadside base station, building type information from a vehicle-mounted device entering a corresponding communication area; And A third function of the roadside base station extracting location information of surrounding area buildings by building type corresponding to the received building type information from the database and transmitting the extracted location information to the vehicle mounting apparatus; A computer-readable recording medium having recorded thereon a program for realizing this.

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