KR100667476B1 - System And Method For Transportation Information Service Using Digital Multimedia Broadcasting - Google Patents

Abstract

The present invention collects various road traffic text information and road traffic video information in association with an information providing means, and processes them into a form suitable for digital multimedia broadcasting (DMB) broadcasting to provide a series of real-time traffic information to a DMB broadcasting subscriber receiver. The present invention relates to a traffic information service system and method using digital multimedia broadcasting.

The present invention collects road traffic text information and road traffic video information in association with information providing means, stores and manages them in a DB by dividing each section or point, and stores the road traffic text information and road traffic video information suitable for DMB broadcasting. After the speed and time of the traffic information is verified and transmitted to the DMB transmission center, it is possible to provide all the traffic information collected to DMB broadcasting subscribers in real time. When traffic information is requested through the return channel, the traffic information stored in the DB is accessed to construct traffic information for any section or point requested by the subscriber receiver, and then the traffic information is transmitted to the DMB broadcasting subscriber receiver through the return channel. National regulations for specific DMB broadcast subscribers requesting traffic information. The detailed traffic information for any period or point of can be provided based on a terrestrial / satellite DMB broadcast.

Digital multimedia broadcasting, traffic information service, information providing means, satellite DMB, terrestrial DMB, DMB broadcasting subscriber receiver, portable receiver, car receiver

Description

System and Method for Transportation Information Service Using Digital Multimedia Broadcasting}

1 is a block diagram illustrating a traffic information service system using digital multimedia broadcasting according to the present invention.

FIG. 2 is a detailed block diagram of the DMB traffic information server shown in FIG. 1; FIG.

3 is a flowchart illustrating an operation of collecting and storing information in a traffic information service system using digital multimedia broadcasting according to the present invention.

4 is a flowchart illustrating a series of operations for providing a traffic information service in a traffic information service system using digital multimedia broadcasting according to the present invention.

5 to 7 are diagrams illustrating a service screen, a service request and a result screen for providing a traffic information service using digital multimedia broadcasting according to the present invention.

Explanation of symbols on the main parts of the drawings

10: information providing means 11: road traffic text information server

12: road traffic video information server 20: DMB traffic information server

21: text information collection module 22: video information collection module

23: road traffic text information DB 24: road traffic video information DB

25: traffic information transmission module 26: traffic information providing module for DMB

27: application module for DMB 28: return response module

30: DMB broadcasting station 31: DMB broadcasting center

32: DMB Return Response Server

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traffic information service, and in particular, collects various road traffic text information and road traffic video information in association with an information providing means, and processes them into a form suitable for DMB (Digital Multimedia Broadcasting) broadcasting. The present invention relates to a traffic information service system and a method using digital multimedia broadcasting to provide a DMB broadcast subscriber.

In recent years, the economic congestion and energy loss caused by logistics delivery have increased due to the congestion of road traffic due to the rapid increase in traffic demand. Also, in addition to the congestion of road traffic, As traffic increases, vehicles that violate traffic laws such as speeding, signal violations, and lane violations are rapidly increasing, and traffic accidents are also emerging as social problems.

In order to solve these problems, it is necessary to build roads in line with the increase in traffic demand. However, since road construction takes enormous national finance and time, it is difficult to construct roads in response to the increase in traffic demand.

Accordingly, various service methods for providing a vehicle driver with a series of traffic information for knowing road traffic conditions have been proposed. For example, a method using a radio broadcasting system, a method using a text call service system, and a large display board are proposed. Methods used, and methods using vehicle navigation systems.

Here, although the method using the radio broadcasting system provides the driver of the congested traffic situation in real time relatively in real time, the traffic information is transmitted by the broadcasting station in an arbitrary order, and in a limited section such as some highways or national highways, etc. Since only the traffic information is transmitted, the traffic information for the desired section cannot be provided at the desired time from the user who receives the traffic information service.

In addition, although the method using the text call service system can be provided with traffic information for a desired section at a desired time from the point of view of the user receiving the traffic information service, it is difficult to provide accurate and detailed traffic information only by the text call method. There is a limitation, and the method using the large display board is limited because the large display board, which is the means for providing the traffic information, is fixed at a certain position, and thus the range of providing the traffic information is limited locally and the vehicle driver cannot receive the desired traffic information. There was this.

Finally, the method using the vehicle navigation system is proposed in view of the problems of the above-described traffic information service methods, which is a digital road map (DRM) and a global positioning system (GPS) module in a predetermined terminal in the vehicle. It provides traffic information using the Car Navigation System (CNS) in conjunction with navigation and navigation software.It displays the current location of the vehicle as an electronic map on the in-vehicle terminal. While the route can be calculated and guided to the destination, the traffic information can only be collected or received through a vehicle equipped with a vehicle navigation system or a mobile communication terminal, so detailed traffic information for any section or point of a nationwide scale can be obtained. Could not be provided, and therefore it is difficult to pinpoint the flow of traffic. There was.

The present invention is to solve the problems as described above, the purpose is to collect the road traffic text information and road traffic image information in conjunction with the information providing means to store the information in each section or point to store and manage the DB, By processing the road traffic text information and road traffic video information into a form suitable for DMB broadcasting, verifying the information and transmitting it to the DMB broadcasting center, so that all traffic information collected by the DMB broadcasting subscriber receiver can be provided in real time. have.

Another object of the present invention is to access traffic information stored in a DB when requesting traffic information through a return channel from a DMB broadcast subscriber receiver, and transmit traffic information about a requested section or point to the DMB broadcast subscriber receiver through a return channel. By providing a customized service, it is possible to provide detailed traffic information service for any section or branch of a nationwide scale based on terrestrial / satellite DMB broadcasting.

A feature of the present invention for solving the above object is the information providing means for collecting and managing a series of road traffic text information and road traffic video information, and a DMB broadcast subscriber using a DMB broadcast service through a DMB broadcast receiver. A traffic information service system comprising a receiver and a DMB broadcasting station for transmitting terrestrial / satellite DMB broadcasting to a DMB broadcasting subscriber receiver, wherein the road traffic text information and the road traffic video information are collected in association with the information providing means. After storing and managing in the road traffic text information DB and the road traffic video information DB, processing the road traffic text information and the road traffic video information into a form suitable for DMB broadcasting, and verifying the information, the DMB broadcasting traffic information is stored in the DMB. By transmitting to the broadcasting station, the DMB broadcasting station and the terrestrial / satellite DMB broadcasting network To the DMB subscribers to implement the traffic information service system using a digital multimedia broadcasting, including traffic information for DMB server that provides traffic information services based DMB broadcasting.

Here, the DMB traffic information server may store the road traffic text information and the road traffic image information stored in the road traffic text information DB and the road traffic image information DB in response to a return channel of the DMB broadcasting subscriber receiver and a request for traffic information through the DMB broadcasting station. Accessing and transmitting the DMB broadcasting traffic information for the requested section or point to the DMB broadcasting station, and transmitting the DMB broadcasting traffic information for the requested section or point to the DMB broadcasting subscriber receiver through the DMB broadcasting station and the return channel. It is done.

In addition, the DMB traffic information server collects a series of road traffic text information collected and managed by the information providing means in association with the information providing means, classifies each section or point, and then divides the road traffic text by information type. A text information collection module for storing in the information DB; An image information collection module which collects a series of road traffic video information collected and managed by the information providing means and divides it by each section or point, and stores it in the road traffic video information DB for each type of information. It is characterized by including.

The DMB traffic information server may further include: a traffic information transmission module configured to periodically extract and transmit road traffic text information and road traffic image information stored in a road traffic text information DB and a road traffic image information DB; After processing the road traffic text information and road traffic video information transmitted from the traffic information transmission module into DMB broadcasting traffic information in a form suitable for DMB broadcasting, information verification such as data verification, update cycle verification, vehicle speed and time verification is performed. A DMB traffic information providing module for providing real-time traffic information to a DMB broadcasting subscriber receiver through a DMB broadcasting center and a terrestrial / satellite DMB broadcasting network by transmitting the DMB broadcasting center to a DMB broadcasting center; In providing a traffic information service based on DMB broadcasting, the traffic information screen includes an application module for DMB that transmits an application for displaying the traffic information screen to a DMB transmission center of the DMB broadcasting station.

Further, the DMB traffic information server, when there is a traffic information request that includes the traffic information request content through the return channel of the DMB broadcast subscriber receiver from the DMB broadcasting station, analyzes the traffic information request content for the requested section or point. After extracting the road traffic text information and road traffic video information from the road traffic text information DB and the road traffic video information DB, the road traffic text information and road traffic video information are processed into a series of DMB broadcast traffic information suitable for DMB broadcasting. And a return response module that performs information verification and transmits the DMB broadcasting traffic information to the DMB broadcasting station, thereby performing response processing for the traffic information request.

In this case, when the DMB broadcasting station requests traffic information through a return channel of the DMB broadcasting subscriber receiver, the DMB broadcasting station analyzes the content of the traffic information request and requests traffic information for a specific section or a point with a return response module of the DMB traffic information server. And a DMB return response server for transmitting DMB broadcast traffic information for a specific section or point transmitted in response to the traffic information request to a corresponding DMB broadcast subscriber receiver through a return channel.

Another aspect of the present invention, the process of the DMB traffic information server and the information providing means for interworking to collect the road traffic text information and road traffic image information to store in a corresponding DB; Periodically extract road traffic text information and road traffic video information stored in each DB and process it into DMB broadcasting traffic information suitable for DMB broadcasting, and then verify information such as data verification, update cycle verification, vehicle speed and time verification. Performing the process; Transmitting DMB broadcasting traffic information to the DMB broadcasting subscribers through the DMB broadcasting center and the terrestrial / satellite DMB broadcasting network by transmitting the DMB broadcasting traffic information that has been verified to the DMB broadcasting center of the DMB broadcasting station; To implement a traffic information service method using digital multimedia broadcasting.

Here, the process of storing and managing the road traffic text information and the road traffic image information in a corresponding DB, the DMB traffic information server and the road traffic text information server serving as an information providing means interoperate with each other according to a predetermined information collection schedule. Collecting road traffic text information collected and managed by the road traffic text information server; And classifying the collected road traffic text information for each section or point, and storing the road traffic text information in a text form in the road traffic text information DB.

In addition, the process of storing and managing the road traffic text information and the road traffic image information in a corresponding DB, the DMB traffic information server and the road traffic image information server serving as an information providing means interoperate with each other according to a preset information collection schedule. Collecting road traffic image information collected and managed by the road traffic image information server; And classifying the collected road traffic image information by each section or point, and storing the road traffic image information in the road traffic image information DB.

In the above-described traffic information service method using digital multimedia broadcasting, whether there is a traffic information request from any DMB broadcasting subscriber receiver through a return channel connected to a DMB broadcasting station while providing the DMB broadcasting based traffic information service to the DMB broadcasting subscriber receiver. Confirming the process; Analyzing the traffic information request content when the DMB broadcasting subscriber receiver receives the traffic information request, and extracting the road traffic text information and the road traffic image information for the information request section or point by accessing each DB; Processing the extracted road traffic text information and road traffic image information into DMB broadcasting traffic information in a form suitable for DMB broadcasting, and then performing information verification on the DMB broadcasting traffic information; Transmitting traffic information for the section or point requested to the DMB broadcasting subscriber receiver by transmitting the DMB broadcasting traffic information, which has been verified, to the corresponding DMB broadcasting subscriber receiver through a return channel connected to the DMB broadcasting station. It further comprises.

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

The present invention collects road traffic text information and road traffic video information in conjunction with a series of information providing means, stores and manages them in a DB, and then processes them into a form suitable for DMB broadcasting (Digital Multimedia Broadcasting). After verifying a series of information, it transmits it to DMB broadcasting subscriber receiver through DMB transmission center and terrestrial / satellite DMB broadcasting network and provides all collected traffic information in real time, and also traffic information through DCH broadcasting receiver receiver through return channel. Access the road traffic text information and road traffic video information stored in the DB upon request and selectively provide a series of traffic information about any section or point requested by the subscriber receiver to the DMB broadcasting subscriber receiver through the return channel. The traffic information service system for this purpose is Surface has a configuration as shown in FIG.

That is, the traffic information service system using digital multimedia broadcasting according to the present invention, as shown in Figure 1, the information providing means for providing a series of road traffic text information and road traffic image information, and the information providing means In conjunction with (10), the road traffic text information and road traffic video information are collected and stored in each DB, and then the road traffic text information and road traffic video information is processed into a form suitable for DMB broadcasting to verify information. After performing the transmission of the DMB broadcasting traffic information to the DMB broadcasting station 30 to provide a series of traffic information service to the DMB broadcasting subscriber receiver through the DMB broadcasting station 30 and the terrestrial / satellite DMB broadcasting network, Road traffic text information and road traffic video stored in the DB for traffic information requests through the return channel and the DMB broadcasting station 30 DMB traffic information server 20 for accessing the information and transmitting the DMB broadcasting traffic information on the requested section or point to the DMB broadcasting subscriber receiver through the DMB broadcasting station 30 and the return channel, and the DMB traffic information. It comprises a series of traffic information transmission function based on terrestrial / satellite DMB broadcasting between the server 20 and the DMB broadcasting subscriber receiver, and a DMB broadcasting station 30 which performs traffic information request and response function through a return channel. .

The information providing means 10 is a series of fixed speeds or traffic conditions, such as the vehicle driving speed or traffic conditions of a fixed section or points in which traffic detectors or speed meters are installed on roads (highways, national roads, local roads, downtown roads, etc.) throughout the country. Similar to the road traffic text information server 11 that collects, stores, and manages road traffic text information, CCTV, CCD cameras, and the like for monitoring various vehicles installed on roads around the country like the road traffic text information server 11 And a road traffic video information server 12 which collects, stores and manages a series of road traffic video information.

DMB traffic information server 20 will be described in more detail with reference to the accompanying drawings, FIG. 2, which is a text information collection module 21 and an image information collection module 22 that interoperate with the information providing means 10; Road traffic text information DB 23 and road traffic video information DB 24, traffic information transmission module 25, DMB traffic information providing module 26, DMB application module 27, and DMB broadcasting subscriber And a return response module 28 for performing response processing for a specific traffic information request through the return channel of the receiver and the DMB broadcasting station 30.

The text information collection module 21 interoperates with various road traffic text information servers 11 serving as the information providing means 10, and is a series of road traffic text information collected and managed by the road traffic text information server 11. After collecting and classifying each section or point, the traffic information type is tabled and stored in the road traffic text information DB (23).

The image information collection module 22 is interlocked with various road traffic video information servers 12 serving as the information providing means 10 and is a series of road traffic video information collected and managed by the road traffic video information server 12. After collecting (eg, a JPG image) for each section or point, the table is classified by the road traffic video information type and stored in the road traffic video information DB 24.

The traffic information transmission module 25 periodically extracts road traffic text information and road traffic image information stored in the road traffic text information DB 23 and the road traffic image information DB 24 to provide a DMB traffic information providing module 26. ).

The DMB traffic information providing module 26 processes the road traffic text information and the road traffic video information transmitted from the traffic information transmission module 25 into traffic information for DMB broadcasting in a form suitable for DMB broadcasting. Work, adding vehicle speed information, converting data, etc.) and then performing a series of information verification (data verification, update cycle verification, vehicle speed and time verification) to perform the DMB transmission center 31 of the DMB broadcasting station 30. ) Provides a set of real-time traffic information to DMB broadcasting subscribers through its DMB transmission center 31 and terrestrial / satellite DMB broadcasting network.

The DMB application module 27 provides a traffic information service based on the terrestrial / satellite DMB broadcasting through the DMB broadcasting station 30 and the terrestrial / satellite DMB broadcasting network. 30) to the DMB transmission center 31.

The return response module 28 analyzes the traffic information request contents from the DMB return response server 32 of the DMB broadcasting station 30 when the traffic information request includes the traffic information request contents through the return channel of the DMB broadcasting subscriber receiver. The road traffic text information and the road traffic video information of the requested section or point are extracted from the road traffic text information DB 23 and the road traffic video information DB 24, and then the road traffic text information and the road traffic video information are ground wave. After processing a series of information verification by processing the DMB broadcasting traffic information of the type suitable for the satellite DMB broadcasting, and transmits the DMB broadcasting traffic information for the specific section or point to the DMB return response server 32 of the DMB broadcasting station 30 By doing so, a response process for the traffic information request is performed.

In addition, the DMB broadcasting station 30 receives an application for displaying the traffic information screen transmitted from the DMB traffic information server 20 to provide the traffic information service to the DMB broadcasting subscriber receiver through the terrestrial / satellite DMB broadcasting network. DMB transmission center 31 for transmitting DMB broadcasting traffic information periodically transmitted from the DMB broadcasting information server 20 to the DMB broadcasting subscriber receiver through the terrestrial / satellite DMB broadcasting network. When the traffic information is requested through the return channel of the DMB broadcast subscriber receiver, the traffic information request content is requested to the return response module 28 of the traffic information server 20 for the DMB. DMB broadcasting corresponding to DMB broadcasting traffic information for a specific section or point transmitted in response to a traffic information request through a return channel And a DMB receiver returns that transmission to the particles in response server 32.

In addition, in the present invention, the DMB broadcast subscriber who is provided with the traffic information service based on the terrestrial / satellite DMB broadcast is a subscriber using a DMB broadcast receiver such as various portable receivers or vehicle receivers. It must have unique identification information that can be identified, and the DMB of the DMB broadcasting station 30 through a wireless communication network (eg, CDMA, WCDMA, wireless Internet, etc.) to request traffic information for a specific section or point desired by the user. It should be possible to provide a series of return channels that connect to the return response server 32.

The information collection and storage operation of the traffic information service system using the digital multimedia broadcasting having such a configuration will be described in detail with reference to FIG. 3.

First, the DMB traffic information server 20 collects road traffic text information and road traffic image information in association with the information providing means 10 to provide traffic information services to DMB broadcasting subscribers, and stores them in respective DBs. To this end, the text information collection module 21 of the DMB traffic information server 20 and the various road traffic text information servers 11 on the information providing means 10 interoperate with each other according to a predetermined information collection schedule. (Step S31a), thus, the road traffic text information collected and managed by the road traffic text information server 11 is collected on the DMB traffic information server 20 side (step S32a).

Subsequently, the text information collection module 21 of the DMB traffic information server 20 collects the road traffic text information collected by the interworking with the various road traffic text information servers 11 on the information providing means 10. Alternatively, the information is classified by points and also classified by information type (vehicle driving speed information, passing time information, traffic situation information, detour information, etc.) and stored in the text form in the road traffic text information DB 23 (step S33a), The road traffic text information collection and storage procedure according to the above information collection schedule is repeated.

Similarly, in the case of the various road traffic video information servers 12 serving as the video information collecting module 22 and the information providing means 10, they interwork with each other according to a predetermined information collection schedule (step S31b). The road traffic video information collected and managed by the traffic video information server 12 is collected on the DMB traffic information server 20 side (step S32b).

In addition, the video information collection module 22 of the DMB traffic information server 20 is configured to collect road traffic video information collected by interworking with various road traffic video information servers 12 on the information providing means 10. Alternatively, the traffic information may be stored in the form of an image in the road traffic road traffic image information DB 24 (step S33b). Will be repeated.

According to the above-described procedure, the traffic information service system using digital multimedia broadcasting collects and stores road traffic text information and road traffic video information in respective DBs, and transmits a series of traffics to the DMB broadcasting subscriber receiver using the DMB broadcasting service. An operation of providing an information service is described in detail with reference to FIG. 4 as follows.

First, various kinds of road traffic text information and road traffic image information are stored in the road traffic text information DB 23 and the road traffic image information DB 24 by the text information collecting module 21 and the image information collecting module 22. , The traffic information transmitting module 25 controls the road traffic text information and the road traffic image information stored in the road traffic text information DB 23 and the road traffic image information DB 24 under the control of the DMB traffic information providing module 26. Is periodically extracted and transmitted to the DMB traffic information providing module 26 (step S41).

Then, the DMB traffic information providing module 26 assigns a road name and a place name to the road traffic text information and the road traffic image information transmitted from the traffic information transmission module 25 and adds the vehicle traveling speed information. By converting the data, the data is processed into DMB broadcasting traffic information that is suitable for DMB broadcasting.A set of information such as data verification, update cycle verification, vehicle speed and time verification is performed on the processed DMB broadcasting traffic information. After the verification is performed, the DMB broadcasting traffic information is transmitted to the DMB broadcasting center 31 of the DMB broadcasting station 30 (step S42).

In addition, the DMB transmission center 31 provides an application for displaying the traffic information screen received from the DMB application module 27 of the DMB traffic information server 20 to provide traffic information service to the DMB broadcasting subscriber. Through the DMB broadcasting network, it is transmitted to a DMB broadcasting receiver such as a portable receiver or a vehicle receiver of a DMB broadcasting subscriber, and is then periodically transmitted from the DMB traffic information providing module 26 of the DMB traffic information server 20. By transmitting the DMB broadcasting traffic information through the terrestrial / satellite DMB broadcasting network, the DMB broadcasting subscriber receiver provides a series of real-time traffic information services based on the DMB broadcasting (step S43).

In this way, while providing the traffic information service to the DMB broadcasting subscriber receiver, the DMB return response server 32 of the DMB broadcasting subscriber 30 receives a traffic information request for a specific section or point through the return channel from the DMB broadcasting subscriber receiver. If there is no traffic information request from the DMB broadcasting subscriber receiver at this time, it continues to provide a series of real-time traffic information services based on the above-described DMB broadcasting.

However, when it is confirmed that there is a traffic information request from any DMB broadcasting subscriber receiver, that is, any DMB broadcasting subscriber accesses a wireless communication network that provides a return channel through a button operation of a DMB broadcasting receiver used by the DMB broadcasting station. (30) When the traffic information for the section or point is requested in order to grasp the traffic information for the specific section or point, the DMB broadcasting receiver generates a traffic information request content in which the identification information for the DMB broadcasting subscriber is added. It transmits to the DMB return response server 32 of the DMB broadcasting station 30 through the return channel of the wireless communication network connected thereto.

In this way, when the traffic information request content by any DMB broadcasting subscriber receiver is transmitted to the DMB return response server 32 of the DMB broadcasting station 30, the DMB return response server 32 is connected to the DMB broadcasting subscriber receiver through the return channel. After analyzing the traffic information request contents and confirming the traffic information request section or point that the DMB broadcasting subscriber wants to be provided, the return response module 28 of the traffic information server 20 for the DMB traffic information for the section or point is provided. Is requested (step S45).

Then, the return response module 28 of the DMB traffic information server 20 responds to the traffic information request by the DMB return response server 32 of the DMB broadcasting station 30 and the road traffic text information DB 23 and the road traffic video. After accessing the information DB 24 to extract the road traffic text information and the road traffic image information for the requested section or point, and thus extract the road traffic text information and the road traffic image information for the specific section or point. Processing of the DMB broadcasting traffic information in a form suitable for DMB broadcasting is carried out (step S46).

After processing the DMB broadcasting traffic information for the requested section or point in this way, the DMB broadcasting traffic information is performed for a series of information verification, and the DMB broadcasting traffic information is received in response to the traffic information request. The data is sent to the DMB return response server 32 of step 30 (step S47).

The DMB return response server 32 of the DMB broadcasting station 30 transmits the DMB broadcasting traffic information for a specific section or point transmitted in response to the traffic information request to the corresponding DMB broadcasting subscriber receiver through the return channel. In this case, when the traffic information is requested from the DMB broadcast subscriber receiver, a section requested to the DMB broadcast subscriber receiver requesting the traffic information by using the identification information of the DMB broadcast subscriber included in the traffic information request content, for example, the DMB broadcast receiver identification information. DMB broadcasting traffic information for DMB broadcasting subscriber is transmitted, and DMB broadcasting receiver of DMB broadcasting subscriber side displays DMB broadcasting traffic information for a specific section or point transmitted through return channel on the screen. The DMB broadcast subscriber receiver can provide traffic information for a specific section or point of interest. It is (Step S48).

Furthermore, in the present invention, the DMB traffic information server 20 provides a series of traffic information services to any DMB broadcast subscriber receiver based on terrestrial / satellite DMB broadcast at the request of the DMB broadcast subscriber receiver. The service history provided to the subscriber receiver is stored and managed in a separate customer information DB.

On the other hand, with reference to the accompanying drawings a series of operations for providing a traffic information service based on the above-described DMB broadcast for example as follows.

First, when a DMB broadcast subscriber selects a channel providing traffic information service through a button operation of a DMB broadcast receiver used by the DMB broadcast subscriber, the DMB broadcast receiver is transmitted from the DMB transmission center 31 of the DMB broadcasting station 30 by terrestrial / satellite. A service screen as shown in FIG. 5 is displayed by using an application for displaying a traffic information screen received through the DMB broadcasting network, and in this state, the DMB broadcasting subscriber can operate the receiver button as shown in FIG. When requesting a traffic information service for a particular section or point through the service menu, that is, the riverside north road in the traffic situation around the Han River, the DMB traffic information server 20 sends the DMB broadcast traffic information according to the above-described procedure. By transmitting through DMB transmission center 31 and terrestrial / satellite DMB broadcasting network of 30), DMB broadcasting subscriber receiver Thereby providing an overall road transport text information.

In addition, when the DMB broadcast subscriber receiver requests traffic information for a specific point, for example, near the Hannam Bridge in Gangbyeonbuk-ro through a return channel connected with the DMB broadcast receiver, the DMB return response server 32 and the DMB of the DMB broadcasting station 30 The traffic information about the section requested by the return response module 28 of the traffic information server 20, that is, the vicinity of the Hannam Bridge, is transmitted to the DMB broadcasting subscriber receiver through the return channel, and thus is attached to the DMB broadcasting subscriber receiver. As illustrated in FIG. 7, detailed traffic information of the vicinity of the Hannam Bridge in the riverside north road is provided.

The traffic information service may not only provide traffic information of the metropolitan area, highways, and local roads, but may also provide traffic information services such as fast road guidance, MY Road, and map view.

In addition, the embodiment according to the present invention is not limited to the above-described embodiments, and various alternatives, modifications, and changes can be made within the scope apparent to those skilled in the art.

As described above, the present invention collects road traffic text information and road traffic image information in association with an information providing means, stores and manages them in a DB by dividing each section or point, and stores the road traffic text information and road traffic image information. By processing the DMB broadcasting into a form suitable for the speed and time verification of the traffic information and transmitting it to the DMB transmission center, it is possible to provide all the traffic information collected by the DMB broadcasting subscriber receiver in real time.

In addition, the present invention is to access the traffic information stored in the DB when requesting the traffic information through the return channel from the DMB broadcast subscriber receiver to configure the traffic information for any section or point requested by the subscriber and return the traffic information to the return channel By transmitting to the DMB broadcasting subscriber receiver through the DMB broadcasting subscriber receiver, the specific DMB broadcasting subscriber receiver requesting the traffic information can provide detailed traffic information on any section or point of a nationwide scale based on terrestrial / satellite DMB broadcasting.

Claims (10)

An information providing means for collecting and managing road traffic text information and road traffic video information, a DMB broadcasting subscriber receiver using a DMB broadcasting service, and a DMB broadcasting station transmitting terrestrial / satellite DMB broadcasting to the DMB broadcasting subscriber receiver. In traffic information service system to say, Text for collecting road traffic text information collected and managed by the information providing means and storing at least one vehicle traveling speed information, passing time information, traffic condition information, and detour information for each section or point in a road traffic text information DB. An information collection module; An image information collection module for collecting road traffic image information collected and managed by the information providing means and storing the road traffic image information in a road traffic image information DB for each section or point; A traffic information transmission module for periodically extracting and transmitting road traffic text information and road traffic image information stored in the road traffic text information DB and the road traffic image information DB; The road traffic text information and the road traffic image information transmitted from the traffic information transmission module are processed into DMB broadcasting traffic information suitable for DMB broadcasting to perform at least one information verification among data verification, update cycle verification, vehicle speed or time verification. Later, a DMB traffic information providing module provided to the DMB transmission center of the DMB broadcasting station; In providing a traffic information service based on DMB broadcasting, DMB application module for transmitting an application for displaying the traffic information screen to the DMB transmission center of the DMB broadcasting station; When there is a traffic information request through the return channel from the DMB broadcasting subscriber receiver, the traffic information request is analyzed and the road traffic text information and the road traffic image information for the traffic information request section or point are displayed on the road traffic text information DB and the road traffic. The road traffic text information and the road traffic video information extracted from the image information DB are processed into DMB broadcasting traffic information suitable for DMB broadcasting to verify at least one of data verification, update cycle verification, vehicle speed or time verification. And a return response module for transmitting the DMB broadcasting traffic information to the DMB broadcasting station to perform a response process for the traffic information request. delete delete delete delete The method of claim 1, When the DMB broadcasting station requests traffic information through a return channel of a DMB broadcasting subscriber receiver, the DMB broadcasting station analyzes the request content of the traffic information and requests traffic information for a specific section or a point from the return response module, And a DMB return response server for transmitting the DMB broadcasting traffic information for a specific section or point transmitted as a response to a corresponding DMB broadcasting subscriber receiver through a return channel. The DMB traffic information server and the road traffic text information server interoperate with each other according to a preset information collection schedule to collect road traffic text information from the road traffic text information server, and then the vehicle driving speed information and the passing time information for each section or point. Storing at least one of traffic condition information and detour information in a road traffic text information DB; The DMB traffic information server and the road traffic video information server interoperate with each other according to a predetermined information collection schedule to collect road traffic video information from the road traffic video information servers, and then classify the road traffic video information into sections or points. Storing and managing in a DB; Periodically extract the road traffic text information and the road traffic video information stored in the road traffic text information DB and the road traffic video information DB and process the data into DMB broadcast traffic information suitable for DMB broadcasting, and then verify the data, verify the update cycle, and Performing at least one information verification of speed or time verification; And transmitting the DMB broadcasting traffic information and the DMB broadcasting application to the DMB broadcasting subscriber receiver through the DMB broadcasting center and the terrestrial / satellite DMB broadcasting network of the DMB broadcasting station to provide the DMB broadcasting based traffic information service. In the process of providing traffic information service using digital multimedia broadcasting, The process of providing a traffic information service using the digital multimedia broadcasting, Checking whether there is a traffic information request on a return channel from the DMB broadcasting subscriber receiver; Extracting road traffic text information and road traffic image information for a traffic information request section or point by analyzing the traffic information request when there is a traffic information request from the DMB broadcasting subscriber receiver; Processing the extracted road traffic text information and road traffic video information into DMB broadcasting traffic information and performing at least one information verification among data verification, update period verification, vehicle speed or time verification; And By using the identification number of the DMB broadcast subscriber receiver, the traffic information for the traffic information request section or point is provided by transmitting the DMB broadcast traffic information, which has been verified, to the corresponding DMB broadcast subscriber receiver through the return channel. Traffic information service method using a digital multimedia broadcasting, characterized in that further comprising the step of configuring. delete delete delete

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