KR20120084584A - Apparatus and method for providing of traffic report on highway - Google Patents

Abstract

PURPOSE: Apparatus and method for providing of traffic report on highway are provided to supply the exact time required information from the current position on the express way to the exit for a section using the express way. CONSTITUTION: A vehicle terminal is installed on a vehicle. The vehicle terminal performs bidirectional communication with each base station. Each base station is installed on the road side of the express way. One or more base stations transmit traffic information service signals. Traffic information service signals include the time required information until a departure toll gate. A center server yields the time required for a vehicle terminal route until the exit toll gate from each base station. The center server transmits the calculated time required information to each base station(S220).

Description

Apparatus and method for providing of traffic report on highway}

The present invention relates to an apparatus and a method for providing highway traffic information. More specifically, the present invention relates to a device and a method for providing a driver with a predetermined time required for the exit from a navigation driving path of a specific vehicle on the highway by synthesizing traffic information for each section of the highway.

In the conventional intelligent traffic system (ITS) on the highway using Dedicated Short Range Communication (DSRC), the traffic information of each section is collected so that traffic information of several sections in the forward direction is collected from the section where the vehicle is currently located. Providing.

This could not satisfy the driver's desire to know the total time to highway exit.

In addition, the conventional vehicle navigation terminal provided the driver with the estimated time of arrival divided by the current vehicle speed by the distance to the destination along the navigation driving route, which did not reflect the traffic situation in the direction of travel and was not satisfactory in accuracy. .

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide an apparatus and method for providing a driver with more accurate time required information from a current position on an expressway to an exit for a highway use section of a navigation driving route. In providing.

As a technical idea for achieving the above object, in the present invention,

In one aspect, a traffic information providing apparatus including a center server that collects traffic information for each section of a highway using an intelligent transportation system, which is installed in a vehicle and bidirectionally communicates with each base station installed in a roadside by a short-range wireless communication method. A vehicle terminal for performing; When the vehicle terminal enters its short-range wireless communication area, it is determined whether the vehicle terminal is a registered traffic information providing target terminal, and the traffic information service including time required information to the exit toll gate stored in the vehicle terminal. One or more base stations for transmitting signals; Highway traffic information providing apparatus comprising a center server for calculating the required time from each of the base stations to the exit toll gate of the driving route of the vehicle terminal using the collected traffic information, and transmits the calculated required time information to each of the base stations Is presented.

On the other hand, when the vehicle terminal detects that the vehicle arrives at the entrance toll gate on the driving route, the vehicle terminal transmits a traffic information request signal including a vehicle terminal ID and an identification code of the exit toll gate on the driving route to the base station having jurisdiction over the entrance toll gate. Characterized in that the transmission.

On the other hand, the center server receives a signal including the vehicle terminal ID and the exit toll gate identification code from the base station for jurisdiction of the entrance toll gate, and the base station for controlling the entrance toll gate and the exit toll gate corresponding to the exit toll gate identification code. The transit base station located between the base stations under jurisdiction is extracted, and the required time from each of the via base stations to the exit toll gate is calculated, and the traffic information providing start signal including the calculated required time and the ID of the vehicle terminal is calculated. Characterized in that the transmission to the base station via.

On the other hand, the base station, when receiving the traffic information providing start signal, characterized in that for registering the vehicle terminal as a traffic information providing target terminal and stores the received required time information.

Meanwhile, when there is a change in the collected traffic information, the center server calculates new time required information and transmits an updated traffic information signal including the calculated new time required information and vehicle terminal ID information to each of the via base stations. Characterized in that.

On the other hand, the base station, when receiving the updated traffic information signal, characterized in that for updating the required time information for the vehicle terminal.

On the other hand, when the vehicle terminal detects that the vehicle arrives at the exit toll gate on the travel route, the vehicle terminal transmits a traffic information request end signal to a base station that manages the exit toll gate, and the center server controls the exit toll gate. Receiving the traffic information request end received signal from a base station, and transmits the traffic information providing end signal for the vehicle terminal to each of the way through the base station, each of the way through the base station, the vehicle terminal included in the traffic information providing end signal It is characterized in that the registration of the traffic information providing target terminal is terminated.

In another aspect, a method for providing highway traffic information in a traffic information providing apparatus including a center server that collects traffic information for each section of a highway using an intelligent transportation system, the vehicle being connected to a highway entrance toll gate on a driving route. Upon arrival, transmitting a traffic information request signal including an exit tollgate identification code from a vehicle terminal to a base station that manages the entrance tollgate; Recognizing that the vehicle terminal has requested traffic information through a base station that manages the entrance tollgate at the center server; Extracting, via the center server, a transit base station between the base station that manages the entrance tollgate and the base station that manages the exit tollgate, and calculating the time required from each of the transit base stations to the exit tollgate using collected traffic information; ; Receiving and storing the calculated required time information from the center server at the via base station; When the vehicle terminal enters its short-range wireless communication area at the transit base station, a method of providing highway traffic information comprising transmitting the stored time information to the vehicle terminal is provided.

On the other hand, in the center server, if a change occurs in the calculated required time, the changed time required information is transmitted to each of the via base stations, and each of the via base stations is updated and stored with the changed required time information. It features.

Meanwhile, when the vehicle arrives at the exit toll gate, the vehicle terminal transmits a traffic information request end signal to a base station that manages the exit toll gate; Recognizing, by the center server, that the request for traffic information for the vehicle terminal is terminated through a base station that manages the exit tollgate; And notifying, by the center server, the provision of traffic information for the vehicle terminal to the via base station.

In still another aspect, a method of generating highway traffic information in a traffic information providing apparatus including a center server that collects traffic information for each section of a highway using an intelligent transportation system, the highway entrance toll gate of a vehicle on a driving route Transmitting a traffic information request signal including an exit tollgate identification code from a vehicle terminal to a base station that has jurisdiction over the entrance tollgate; Transmitting a traffic information request reception signal including the exit tollgate identification code to the center server by a base station that is in charge of the entrance tollgate; Detecting a base station that manages an exit tollgate corresponding to the exit tollgate identification code in the center server; Extracting, via the center server, a transit base station between the base station that manages the entrance tollgate and the base station that manages the exit tollgate, and calculating the time required from each of the transit base stations to the exit tollgate using collected traffic information; A method for generating highway traffic information including a is provided.

According to the present invention, for a highway using section of a navigation service route, more accurate time information from the current location on the highway to the exit can be provided to the driver by using the existing traffic information system.

1 is a block diagram of an apparatus for providing a time required to exit a highway in accordance with an embodiment of the present invention.
2 is a signal flow diagram between the respective components for providing the time required to exit the highway according to the embodiment of the present invention.
3 is a diagram illustrating an example of a traffic information providing table generated in a center server according to an exemplary embodiment of the present invention.
4 is a flowchart illustrating a method for providing a time required to exit a highway according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and operation of the present invention.

1 is a block diagram of an apparatus for providing a time required to exit a highway in accordance with an embodiment of the present invention.

As can be seen from the figure, the configuration is a vehicle terminal 100 installed in a vehicle, a plurality of base stations 200 installed on the side of the highway at predetermined intervals, and the center server 300 for collecting and processing highway traffic information ).

The vehicle terminal 100 includes a navigation unit 110, a communication unit 120, a sound output unit 130, and a controller 140.

The navigation unit 110 includes a map DB 112 that stores map data, a location tracking module 114 for tracking a current location of a vehicle, and a travel route for generating a travel route between a departure point and a destination. Generation module 116.

The map DB includes location information and identification code information for each toll gate on the highway.

The communication unit 120 performs bidirectional data communication with the base station 200 in a short range wireless communication method.

The sound output unit 130 outputs the voice of the time information required to the exit received from the base station. In other words, it prints as "It will take about 30 minutes to exit."

The control unit 140 transmits a traffic information request signal including an exit toll gate identification code on the driving route to the competent base station through the communication unit 120 when the vehicle arrives at the highway entrance toll gate on the driving route generated by the navigation unit. Upon arriving at the highway exit toll gate on the route, the traffic information request end signal is transmitted to the corresponding base station through the communication unit 120.

In addition, when receiving a traffic information service signal from any base station through the communication unit 120, the sound output unit 130 outputs the required time information included in the traffic information service signal as a voice.

The base station 200 detects whether the vehicle has entered the communication jurisdiction area of the vehicle terminal in a short range wireless communication with the vehicle terminal, and detects a transmission / reception vehicle terminal ID transmitted from the entering vehicle to determine whether the vehicle is registered as a traffic information providing target terminal. In addition, when the traffic information request signal or the traffic information request end signal is received from the vehicle terminal, the traffic information request reception signal or the traffic information request end reception signal is transmitted to the center server, respectively.

The base station receives and stores the ID for the vehicle terminal that has requested the traffic information and the required time information until the exit from the center server 300, and when the vehicle enters the jurisdiction, the required time information is transmitted to the vehicle. Transmit the included traffic information service signal.

The center server 300 is a traffic information collecting unit 310 for collecting and processing traffic information for each section on the highway, and a traffic information providing unit for generating and processing traffic information for a specific vehicle terminal that has requested a traffic information request. 320.

The traffic information collecting unit 310 collects traffic information for each section that has been performed in the conventional traffic information system, and further detailed description thereof will be omitted.

The traffic information providing unit 320 generates a traffic information providing table for a specific vehicle terminal, periodically updates the table by using the traffic information collected by the traffic information collecting unit, and operates the generated or updated traffic information. Transmit to the base station located on the path.

In addition, the center server stores an identification code for each tollgate included in the map DB of the vehicle terminal and a base station code for managing each tollgate.

The center server basically stores base station arrangement information of the highways.

2 is a signal flow diagram between each component for providing the time required for the exit of the highway according to the present invention.

When a vehicle including a vehicle terminal having set the navigation driving route from the departure point to the arrival point arrives at the highway entrance toll gate (TGin) on the driving route, the vehicle terminal is assigned to the vehicle terminal unique ID and operation to the base station # 11 that controls the entrance toll gate. Transmitting the traffic information request signal including the identification code of the highway exit toll gate (TGout) on the route (S210), the base station (# 11) that manages the entrance toll gate unique ID of the vehicle terminal and identification code of the exit toll gate (TGout) Transmitting the traffic information request reception signal is included to the center server 300 (S212).

The center server 300 receiving the traffic information request reception signal from the base station # 11 that controls the entrance toll gate detects the base station # 15 that controls the exit toll gate using the identification code of the exit toll gate, and enters the entrance toll gate. A base station between the base station # 11 and the exit toll base station # 15 is detected to generate a traffic information providing table (S214).

Referring to FIG. 3, which shows an example of the traffic information providing table, a unique ID of a vehicle terminal is 12345, and a base station located between an entrance toll gate jurisdiction base station # 11 and an exit toll gate jurisdiction base station # 15 is located at an upper end thereof. # 11 to # 15, the transit base station) are sequentially arranged, and the time required for each section between the base stations is disposed at the interruption, and the time required from each base station to the exit toll gate is arranged at the bottom.

The time required for each section and the time required for the exit toll gate are periodically updated by using the traffic information collected by the traffic information collecting unit 310.

Next, the center server 300 generating the traffic information providing table provides traffic information including the time required to the exit tollgate corresponding to each base station (passing base station) on the traffic information providing table and the unique ID of the vehicle terminal. The start signal is transmitted (S216).

Each transit base station that receives the traffic information providing start signal stores the vehicle terminal ID and time required information to the exit tollgate, and registers the vehicle terminal as a traffic information providing target terminal.

Next, when the required time information of the traffic information providing table is updated (S218), the center server includes the unique ID of the vehicle terminal and the time required to the updated exit tollgate to each of the transit base stations on the traffic information providing table. The updated traffic information signal is transmitted (S220), and each transit base station updates and stores the required time information up to the exit toll gate for the corresponding vehicle terminal.

Next, when the registered vehicle terminal enters the jurisdiction of any one base station, the jurisdiction base station # 13 that detects the entry of the registered vehicle terminal takes time information to the exit tollgate stored in the registered vehicle terminal. Transmit the traffic information service signal included (S222). The vehicle terminal receiving the traffic information service signal outputs time information as a sound.

Next, when the vehicle arrives at the exit toll gate on the travel route, the vehicle terminal transmits the traffic information request end signal including the unique ID of the vehicle terminal to the base station # 15 that has the exit toll gate (S224).

Next, the base station # 15 receiving the traffic information request end signal transmits the traffic information request end reception signal including the unique ID of the vehicle terminal to the center server (S226).

Next, the center server 300 erases the traffic information providing table for the corresponding vehicle terminal, and transmits the traffic information providing end signal including the unique ID of the corresponding vehicle terminal to each way through the base stations # 11- # 15. When transmitting (S228), each route base station terminates the registration of the traffic information provision target terminal for the vehicle terminal.

4 is a flowchart illustrating a method for providing a time required to exit a highway according to an embodiment of the present invention.

First, the vehicle terminal 100 establishes a driving route via the highway (S402).

Next, the vehicle terminal 100 detects whether the vehicle arrives at the freeway entrance toll gate on the driving route by tracking the position while driving (S404).

Next, when the vehicle arrives at the entrance toll gate, the vehicle terminal transmits a traffic information request signal to a base station that manages the entrance toll gate (S406).

Next, each transit base station on the driving route receives and stores time required information from the transit base station to the exit tollgate from the center server providing the traffic information (S408).

Next, when the vehicle terminal enters the jurisdiction of one of the transit base stations, the transit base station transmits the required time information up to the exit toll gate to the vehicle terminal to the vehicle terminal. It proceeds until (S410, S412, S414).

Next, when the vehicle terminal detects that the vehicle arrives at the exit toll gate while tracking the position of the vehicle on the driving route, the traffic information request end signal is transmitted to the base station having the exit toll gate (S416).

In the above, the embodiment of the present invention has been described in detail. The protection scope of the present invention is not limited to the above embodiments, but also extends to those skilled in the art from the above embodiments, and the protection scope of the present invention is defined by the claims.

The present invention is to provide in real time the time required to the exit toll gate to the vehicle running on the highway, it can be usefully used in the vehicle terminal and traffic information system related industries.

100: vehicle terminal 110: navigation unit
120: communication unit 130: sound output unit
140: control unit 200: base station
300: center server 310: traffic information collection
320: traffic information provider

Claims (11)

In the traffic information providing apparatus comprising a center server for collecting traffic information for each section of the highway using an intelligent transportation system,
A vehicle terminal installed in a vehicle and performing bidirectional communication with each base station installed in a roadside by a near field communication method;
When the vehicle terminal enters its short-range wireless communication area, it is determined whether the vehicle terminal is a registered traffic information providing target terminal, and the traffic information service including time required information to the exit toll gate stored in the vehicle terminal. One or more base stations for transmitting signals;
Highway traffic information providing apparatus comprising a center server for calculating the required time from each of the base stations to the exit toll gate of the driving route of the vehicle terminal using the collected traffic information, and transmits the calculated required time information to each of the base stations . The method according to claim 1,
The vehicle terminal,
Detecting that the vehicle arrives at the entrance toll gate on the travel route, transmitting a traffic information request signal including a vehicle terminal ID and an identification code of the exit toll gate on the travel route to a base station having jurisdiction over the entrance toll gate; Highway traffic information providing device. The method according to claim 2,
The center server,
Receiving a signal including the vehicle terminal ID and the exit tollgate identification code from a base station that manages the entrance tollgate,
Extracting a transit base station located between a base station that manages an entrance tollgate and a base station that manages an exit tollgate corresponding to the exit tollgate identification code,
After calculating the required time from each of the via base stations to the exit toll gate, the traffic information providing start signal including the calculated required time and the ID of the vehicle terminal is transmitted to each via base station. Device. The method according to claim 3,
The base station comprises:
And receiving the traffic information providing start signal, registering the vehicle terminal as a traffic information providing target terminal and storing the received time information. The method of claim 4,
The center server,
When there is a change in the collected traffic information, the new traffic time information is calculated and the updated traffic information signal including the calculated new travel time information and the vehicle terminal ID information is transmitted to each transit base station. Informational device. The method according to claim 5,
The base station comprises:
And receiving the updated traffic information signal, and updating and storing time required information for the corresponding vehicle terminal. The method of claim 6,
When the vehicle terminal detects that the vehicle arrives at the exit toll gate on the travel route, the vehicle terminal transmits a traffic information request end signal to a base station that has jurisdiction over the exit toll gate,
The center server receives the traffic information request termination signal from a base station that has jurisdiction over the exit tollgate, and transmits the traffic information provision termination signal for the vehicle terminal to each of the transit base stations.
And each of the via base stations terminates the registration of the traffic information providing target terminal with respect to the vehicle terminal included in the traffic information providing end signal. In a method for providing highway traffic information in a traffic information providing apparatus comprising a center server for collecting traffic information for each section of the highway using an intelligent transportation system,
Transmitting a traffic information request signal including an exit toll gate identification code from a vehicle terminal to a base station that manages the entrance toll gate when the vehicle arrives at the highway toll gate on the driving route;
Recognizing that the vehicle terminal has requested traffic information through a base station that manages the entrance tollgate at the center server;
Extracting, via the center server, a transit base station between the base station that manages the entrance tollgate and the base station that manages the exit tollgate, and calculating the time required from each of the transit base stations to the exit tollgate using collected traffic information; ;
Receiving and storing the calculated required time information from the center server at the via base station;
And transmitting the stored time information to the vehicle terminal when the vehicle terminal enters its short-range wireless communication area at the transit base station. The method according to claim 8,
In the center server, when a change occurs in the calculated required time, the changed time information is transmitted to each of the via base stations.
And each of the waypoint base stations updates and stores the stored time information with the changed time information. The method according to claim 8,
Transmitting, by the vehicle terminal, a traffic information request end signal to a base station that manages the exit toll gate when the vehicle arrives at the exit toll gate;
Recognizing, by the center server, that the request for traffic information for the vehicle terminal is terminated through a base station that manages the exit tollgate;
And notifying, by the center server, that the provision of traffic information for the vehicle terminal has ended to the via base station. In the method for generating highway traffic information in a traffic information providing apparatus comprising a center server for collecting traffic information for each section of the highway using an intelligent transportation system,
Transmitting a traffic information request signal including an exit toll gate identification code from a vehicle terminal to a base station that manages the entrance toll gate when the vehicle arrives at the highway toll gate on the driving route;
Transmitting a traffic information request reception signal including the exit tollgate identification code to the center server by a base station that is in charge of the entrance tollgate;
Detecting a base station that manages an exit tollgate corresponding to the exit tollgate identification code in the center server;
Extracting, via the center server, a transit base station between the base station that manages the entrance tollgate and the base station that manages the exit tollgate, and calculating the time required from each of the transit base stations to the exit tollgate using collected traffic information; How to create a highway traffic information comprising a.

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