KR100667478B1 - System And Method For Transportation Forecast Service Using Digital Multimedia Broadcasting - Google Patents

Abstract

The present invention collects and accumulates and manages various road traffic information and information on various external factors affecting the road traffic flow, and predicts future traffic flows based on this, and then uses DMB (Digital Multimedia Broadcasting) broadcasting traffic. The present invention relates to a traffic forecast service system and method using digital multimedia broadcasting that processes and provides flow prediction information to a DMB broadcasting subscriber.

The present invention collects and accumulates and manages various kinds of road traffic information and information on external factors affecting the road traffic flow, and thus, future road traffic flow based on the road traffic information and future future traffic flow influence factor information. It can be used to predict the traffic flow forecasting information in the form suitable for DMB broadcasting and transmit it to the DMB transmission center, so that various traffic forecasts that inform the future road traffic flow of any section or point to the DMB broadcasting subscriber receiver To provide services.

In addition, the present invention by processing the DMB broadcast traffic flow prediction information for the section or point and the forecast request period that the subscriber requests when the specific traffic forecast request from the DMB broadcast subscriber receiver through the return channel by transmitting it through the return channel In addition, based on the terrestrial / DMB DMB broadcasting, a specific DMB broadcasting subscriber receiver requesting a traffic forecast can provide a traffic forecasting service indicating a road traffic flow for a forecast request period of a specific section or point. Will enable you to anticipate and respond to future road traffic flows for specific segments or points.

Digital Multimedia Broadcasting, Traffic Forecast Service, Terrestrial / DMB DMB, Road Traffic Information, Future Future Traffic Flow Influencers, Road Traffic Flow Forecasting, DMB Transmission Center, DMB Broadcast Subscriber Receiver

Description

System and Method For Transportation Forecast Service Using Digital Multimedia Broadcasting}

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

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

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

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

5 is a flowchart illustrating a series of operations for providing a traffic forecast service when there is a traffic forecast request from a DMB broadcast subscriber receiver in a traffic forecast service system using digital multimedia broadcasting according to the present invention.

6 to 8 are diagrams illustrating a service screen, a service request and a result screen for providing a traffic forecast service using digital multimedia broadcasting according to the present invention.

Explanation of symbols on the main parts of the drawings

10: information providing means 20: traffic forecast server for DMB

21: Traffic Information Collection Module 22: Traffic Impact Factor Collection Module

23: Traffic Information Statistics DB 24: Traffic Impact Factor DB

25: information transmission module 26: traffic forecast 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

The present invention relates to a traffic forecast service, and in particular, to collect and accumulate and manage various road traffic information and various external factors affecting the road traffic flow, and based on this, the future for any section or point The present invention relates to a traffic forecast service system and method using a digital multimedia broadcasting system that processes the traffic flow prediction information for digital multimedia broadcasting (DMB) broadcasting after predicting the traffic flow of the digital multimedia broadcasting.

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 a social problem.

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. Only traffic information is transmitted.

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 in the method using the large display board, since the large display board serving as the traffic information providing means is fixed at a predetermined position, the range of providing the traffic information is limited locally.

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. The route can be calculated and guided to the destination, while the traffic information can only be collected or received by a vehicle or mobile terminal with some vehicle navigation devices, so detailed traffic for any section or point of nationwide scale can be obtained. Information could not be provided.

In addition, the conventional traffic information service methods as described above provide traffic information that informs the traffic flow at the present time for any section or point, or information about an estimated time to the destination or an optimal route at the present time. There is a problem that it is difficult to anticipate and cope with the future traffic flow in advance from the point of view of the service subscriber because it does not provide the traffic flow at a certain time in the future.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and its object is to collect and accumulate and manage various road traffic information and information on external factors affecting the road traffic flow in conjunction with the information providing means. In order to predict future traffic flows based on road traffic information and future future traffic flow influencer information.

Another object of the present invention is to predict future traffic flows, and to process the traffic flow prediction information in a form suitable for DMB broadcasting and transmit the same to the DMB broadcasting center, so that the DMB broadcasting subscriber receiver can be used for future sections or points. In order to provide a variety of traffic forecast services to inform traffic flows.

It is still another object of the present invention to process a DMB broadcast traffic flow prediction information on a section or a point requested by a subscriber receiver when a traffic forecast request is made through a return channel from a DMB broadcast subscriber receiver, and the forecast request period. Through the transmission, the DMB broadcasting subscriber receiver requesting the traffic forecast can provide a traffic forecast service indicating the road traffic flow for the forecast request period of a specific section or branch based on the terrestrial / DMB DMB broadcasting. It is to enable the subscribers to anticipate and cope with the traffic flow for a certain section or point and a specific period in the future.

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 information, a DMB broadcast subscriber receiver using a DMB broadcast service through a DMB broadcast receiver, and the DMB broadcast. A traffic forecasting service system having a DMB broadcasting station for transmitting terrestrial / DMB DMB broadcasting to a subscriber receiver, the traffic forecasting service system which collects and accumulates various road traffic information in association with the information providing means and stores them in a corresponding traffic information statistics DB; Manages and collects and accumulates information on factors affecting the road traffic flow of the section or branch collecting the road traffic information, and stores and manages it in the traffic influence factor DB, and accumulates and manages each DB Based on road traffic information and future future traffic flow influencer information, After predicting and constructing corresponding DMB broadcasting traffic flow prediction information, verifying the information and transmitting the information to the DMB broadcasting station to provide the DMB broadcasting subscriber receiver with the DMB broadcasting-based traffic forecast service based on the DMB broadcasting subscriber through the DMB broadcasting station and the terrestrial / DMB DMB broadcasting network. To implement a traffic forecast service system using digital multimedia broadcasting including a traffic forecast server for DMB to provide.

Here, the DMB traffic forecast server, the various road traffic information and the future future traffic flows for the forecast request period of the forecast request section or point in each DB for the traffic forecast request through the return channel of the DMB broadcasting subscriber receiver and the DMB broadcasting station After extracting the influence factor information and predicting the road traffic flow in the forecast request period, the corresponding DMB broadcasting traffic flow prediction information is configured and transmitted to the DMB broadcasting station, so that the section is requested to the DMB broadcasting subscriber receiver through the DMB broadcasting station and the return channel. Or it provides a traffic forecast service for the forecast request period of the branch.

The DMB traffic forecast server may be configured to collect various road traffic information in association with an information providing means, divide the traffic information into sections and points, and store and manage the traffic information in a traffic information statistics DB for each type of traffic information. ; It includes a traffic influence element collection module that collects information on the factors affecting the road traffic flow of each section or point at the time and a certain period of the road traffic information collection, and stores and manages it in the traffic influence DB. .

In this case, the traffic influence factor collection module collects information on factors affecting the road traffic flow of a section or a point for collecting road traffic information in the traffic information collection module and corresponds to the road traffic information collection section or a point. Store in the traffic influence factor DB so that the current future future traffic flow influence factor information affecting the road traffic flow at the time of collecting the road traffic information, and affect the road traffic flow in a predetermined traffic forecast period. It collects and stores information on future traffic flow influencing factors that are expected.

In addition, the DMB traffic forecast server accesses the traffic information statistics DB and traffic influence factor DB, and various road traffic information and future future traffic flow influence element information necessary for constructing DMB broadcasting traffic flow prediction information for a predetermined traffic forecast period. An information transmission module for extracting and delivering the extracted data; On the basis of various road traffic information and information on future future traffic flow influencing factors transmitted from the information transmission module, the traffic flow prediction information for DMB broadcasting is estimated by predicting road traffic flow for a predetermined forecast period. After configuration, data verification, update cycle verification, vehicle speed and time verification are performed and transmitted to the DMB broadcasting center of the DMB broadcasting station, so that the predetermined prediction is made to the DMB broadcasting subscriber receiver through the DMB broadcasting center and the terrestrial / DMB DMB broadcasting network. A traffic forecast providing module for DMB that provides a traffic forecast service for each period; In providing a traffic forecast service based on DMB broadcasting, the application module for displaying a traffic forecast screen is transmitted to a DMB broadcasting center of the DMB broadcasting station.

Further, the DMB traffic forecast server, if there is a traffic forecast request that includes the content of the traffic forecast request from the DMB broadcasting station through the return channel of the DMB broadcast subscriber receiver analyzes the traffic forecast request content required for the requested traffic forecast service Based on the road traffic information and future future traffic flow influencing factors after extracting the road traffic information and future future traffic flow influencing factors for a specific section or point from the traffic information statistics DB and the traffic influence factor DB. Prediction of the road traffic flow for the forecast request period is composed of DMB broadcasting traffic flow prediction information suitable for DMB broadcasting, information verification is performed, and the DMB broadcasting traffic flow prediction information is transmitted to the DMB broadcasting station. More return response modules to perform response processing for requests It is characterized by including.

At this time, the DMB broadcasting station analyzes the contents of the traffic forecast request when the traffic forecast request is made through the return channel of the DMB broadcasting subscriber receiver, and then uses the return response module of the traffic forecast server for the DMB to predict the traffic for the forecast request period of a specific section or point. DMB return response server for transmitting DMB broadcast traffic flow prediction information of a forecast request period for a specific section or point transmitted in response to the traffic forecast request to a corresponding DMB broadcast subscriber receiver through a return channel. It is characterized by including.

Another aspect of the present invention, the process of collecting and accumulating the various road traffic information and the information on the factors affecting the road traffic flow in the DMB traffic forecast server, and storing and managing in each DB; After extracting various road traffic information and future future traffic flow influencing factor information accumulated in each DB, predicting road traffic flow by a predetermined forecast period, and constructing DMB broadcasting traffic flow prediction information suitable for DMB broadcasting data Performing information verification such as verification, update cycle verification, vehicle speed and time verification; By transmitting the DMB broadcasting traffic flow prediction information, which has been verified above, to the DMB broadcasting center of the DMB broadcasting station, the DMB broadcasting subscriber and the terrestrial / DMB DMB broadcasting network transmit to the DMB broadcasting subscriber receiver based on the DMB broadcasting based on the DMB broadcasting. A traffic forecast service method using a digital multimedia broadcasting including a process of providing a forecast service is provided.

Here, the process of storing and managing the various road traffic information and its future future traffic flow influencing factor information in each DB may include a traffic forecast server for DMB and a traffic information server serving as an information providing means according to a predetermined information collection schedule. Collecting various road traffic information collected and managed by the traffic information server in association with each other; And classifying the road traffic information collected by each section or point, and storing the accumulated road traffic information in the traffic information statistics DB and managing them by classifying the information type.

In addition, the process of storing and managing the various road traffic information and its future future traffic flow influence element information in each DB may be performed by interlocking a section or a point where the road traffic information is collected by interworking with the DMB traffic forecast server and various content servers. Collecting information on factors influencing the road traffic flow at a point in time at which the road traffic information is collected and at a predetermined cycle; And storing and accumulating the future future traffic flow influence factor information collected in the traffic influence factor DB so as to correspond to the traffic information collection section or point.

In the above-described traffic forecast service method using digital multimedia broadcasting, there is a traffic forecast request from any DMB broadcasting subscriber receiver through a return channel connected to a DMB broadcasting station while providing the traffic forecast service for a predetermined forecast period to the DMB broadcasting subscriber receiver. Confirming the process; When the traffic forecast request is received from the DMB broadcasting subscriber receiver, analyzing the contents of the traffic forecast request and confirming the traffic forecast request section or point and the forecast request period; Extracting road traffic information and future future traffic flow influencing element information belonging to the forecast request section or point and the forecast request period identified above by accessing each DB; Performing information verification after configuring the DMB broadcasting traffic flow prediction information for the forecast request period based on the extracted road traffic information and future future traffic flow influence factor information; Traffic forecast service for the section, point and period requested by the DMB broadcasting subscriber by transmitting the DMB broadcasting traffic flow prediction information which has been verified in the information to a corresponding DMB broadcasting subscriber receiver through a return channel connected to the DMB broadcasting station. It characterized in that it further comprises the process of providing.

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

In the present invention, by linking with a series of information providing means to collect and store a variety of road traffic information in the DB, and also to collect and store information in the DB for the external factors affecting the road traffic flow, Based on the information, the traffic flow is predicted for a predetermined forecast period, and the corresponding traffic flow prediction information is processed into a form suitable for DMB broadcasting (Digital Multimedia Broadcasting), which is then processed by the DMB broadcasting subscriber. Provides traffic forecast service for each forecast period by sending to receiver, and road traffic information and future future traffic flow influence factor information about forecast request section or point stored in DB when requesting traffic forecast from DMB broadcasting subscriber receiver through return channel To predict the road traffic flow during the forecast request period based on Traffic flow prediction information is selectively provided to the DMB broadcasting subscriber receiver through a return channel. The traffic forecast service system for this purpose has a configuration as shown in FIG.

That is, the traffic forecast service system using the digital multimedia broadcasting according to the present invention, as shown in Figure 1, in conjunction with the information providing means 10 for providing a series of road traffic information, and the information providing means 10 Collects and accumulates and manages various road traffic information, and collects and accumulates and manages information on external factors affecting the road traffic flow at a point in time and at regular intervals for collecting road traffic information and future traffic. Based on the flow influencing factor information, the road traffic flow of a predetermined forecast period for a certain section or point is predicted and configured in a form suitable for DMB broadcasting, and information verification is performed. DMB broadcasting to the DMB broadcasting subscriber receiver via the DMB broadcasting station 30 and the terrestrial / DMB DMB broadcasting network It provides the traffic forecast service of the van, and accesses the road traffic information and future traffic flow influencer information accumulated in the DB for the return channel of the DMB broadcasting subscriber receiver and the traffic forecast request through the DMB broadcasting station 30, and the requested section or point. DMB traffic forecasting server configured to predict traffic traffic on the date and time of the traffic forecast request for DMB and then transmit the traffic flow prediction information for DMB broadcasting to the DMB broadcasting subscriber receiver through the DMB broadcasting station 30 and the return channel (20). And a DMB broadcasting station 30 performing a series of traffic forecast transmission functions based on DMB broadcasting and a traffic forecast request and response function through a return channel between the DMB traffic forecast server 20 and the DMB broadcast subscriber receiver. )

The information providing means 10 is a vehicle traveling speed of fixed sections or points in which traffic detectors, speed meters, and vehicle surveillance CCTVs and CCD cameras are installed on roads (highways, national roads, local roads, downtown roads, etc.) throughout the country. It also includes a number of traffic information servers that collect, store, and manage a series of road traffic information, such as traffic conditions and road images.

DMB traffic forecast server 20 will be described in more detail with reference to the accompanying drawings, Figure 2, which is the traffic information collection module 21 and the future traffic flow influence factors for interworking with the information providing means 10 Traffic influencer collection module 22 for collecting information, traffic information statistics DB 23 and traffic influencer DB 24 in which information collected in each collection module is accumulated and stored, and information necessary for traffic flow prediction. Specific traffic forecast request through the information transmission module 25, the DMB traffic forecast providing module 26, the DMB application module 27, and the return channel of the DMB broadcasting subscriber receiver and the DMB broadcasting station 30 And a return response module 28 for performing response processing on the.

The traffic information collecting module 21 collects a series of road traffic information collected and managed by the traffic information server in association with various traffic information servers serving as the information providing means 10, and then divides the traffic information collection module into sections. Each traffic information is stored in the traffic information statistics DB 23 for accumulation and management.

The traffic influence factor collection module 22 may include information on factors affecting the road traffic flow of a section or point at which the traffic information collection module 21 collects road traffic information, for example, weather, date, day of the week, time, Collects information about external factors such as holidays, holidays, events, gatherings, construction, and roadside feature information (schools / schools, sports venues, nightlife, tourist attractions, department stores, discount stores, markets, terminals, stops, etc.) It is stored in the traffic influence factor DB 24 so as to correspond to the road traffic information collection section or point, and is accumulated and managed. At this time, the information on the current future traffic flow influencing factors affecting the road traffic flow at the time of collecting the road traffic information, and a predetermined traffic forecast period (that is, a future period to receive prediction information on the road traffic flow) Information about future future traffic flow factors that are expected to affect the road traffic flow is collected according to the characteristics of the road traffic information collection period and at regular intervals.

The information transmission module 25 accesses the traffic information statistics DB 23 and the traffic influence factor DB 24 to influence various road traffic information and future traffic flow necessary for constructing the traffic flow prediction information for DMB broadcasting for a predetermined traffic forecast period. The information on the elements is extracted and transmitted to the traffic forecast providing module 26 for DMB.

The DMB traffic forecast providing module 26 predicts road traffic flow for a predetermined forecast period based on various road traffic information and information on future traffic flow influencing factors transmitted from the information transmission module 25 to broadcast DMB. After configuring the traffic flow prediction information for DMB broadcasting in a form suitable for the data transmission, a series of information verification (data verification, update cycle verification, vehicle speed and time verification) is performed and transmitted to the DMB broadcasting center 31 of the DMB broadcasting station 30. The DMB broadcasting center 31 and the terrestrial / DMB DMB broadcasting network provide a traffic forecast service for a predetermined forecast period to a DMB broadcasting subscriber receiver.

The DMB application module 27 provides a traffic forecast service based on DMB broadcasting through the DMB broadcasting station 30 and the terrestrial / DMB DMB broadcasting network, and provides an application for displaying the traffic forecast screen of the DMB broadcasting station 30. The data is sent to the DMB transmission center 31.

The return response module 28 analyzes the traffic forecast request content when the traffic forecast request including the traffic forecast request content through the return channel of the DMB broadcast subscriber receiver is received from the DMB return response server 32 of the DMB broadcasting station 30. Traffic information and future traffic flow factors for a particular section or point required for the requested traffic forecast service are extracted from the traffic information statistics DB (23) and the traffic influence factor DB (24). And predict the road traffic flow for the forecast request period based on the information on the future traffic flow influencing factors, configure the DMB broadcasting traffic flow prediction information in a form suitable for DMB broadcasting, and then verify the information of the DMB broadcasting station 30. By sending to the DMB return response server 32, response processing for the traffic forecast request is performed.

In addition, the DMB broadcasting station 30 has an application for displaying a traffic forecast screen transmitted from the DMB traffic forecast server 20 to provide a traffic forecast service to a DMB broadcast subscriber receiver through a terrestrial / DMB DMB broadcasting network. DMB transmission center for transmitting DMB broadcasting traffic flow prediction information periodically transmitted from DMB broadcasting forecast server 20 to DMB broadcasting subscriber receiver through terrestrial / DMB DMB broadcasting network (31) And, when the traffic forecast request through the return channel of the DMB broadcast subscriber receiver analyzes the content of the traffic forecast request, the return response module 28 of the DMB traffic forecast server 20 for the forecast request period of a specific section or point Traffic for DMB broadcasts during a forecast request period for a specific segment or point that requests a traffic forecast and is sent in response to the traffic forecast request. And a DMB return response server 32 for transmitting the flow prediction information to the corresponding DMB broadcast subscriber receiver through the return channel.

Further, in the present invention, the DMB broadcast subscriber who is provided with the traffic forecast service is a subscriber who uses the DMB broadcast service through DMB broadcast receivers such as various portable receivers or vehicle receivers, and the DMB broadcast receiver can identify individual DMB broadcast subscribers. DMB of the DMB broadcasting station 30 through a wireless communication network (eg, CDMA, WCDMA, wireless Internet, etc.) in order to request a traffic forecast of a specific period 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.

In addition, in the present invention, when there is no traffic forecast request from the DMB broadcasting subscriber receiver, the traffic forecast service predicts road traffic flow for a predetermined traffic forecast period and provides a corresponding traffic forecast service, wherein the forecast period is a forecast period. We can provide short-term forecasts such as short-term forecasts or daily forecasts within a few hours from the time point, medium-term forecasts within the week or 10 days, and long-term forecasts divided by month or season. Will be.

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

First, the traffic information collection module 21 of the DMB traffic forecast server 20 and the various traffic information servers serving as the information providing means 10 interwork with each other according to a predetermined information collection schedule (step S31a). The road traffic information collected and managed by the traffic information server is collected on the DMB traffic forecast server 20 side (step S32a).

Thereafter, the traffic information collection module 21 of the DMB traffic forecast server 20 divides the road traffic information collected by the interworking with various traffic information servers on the information providing means 10 for each section or point. In addition, the information is classified according to the information type (vehicle driving speed information, passing time information, traffic condition information, road image information, etc.) and stored in the traffic information statistics DB 23 (step S33a), and the road according to the above-described information collection schedule. The traffic information collection and storage procedure is repeatedly performed, and through this, the aforementioned road traffic information is collected, accumulated, stored, and managed.

In addition, the traffic influence factor collection module 22 may collect various information servers (eg, information) that may collect information on factors affecting the road traffic flow at the time when the traffic information collection module 21 collects road traffic information. , Meteorological office server, police agency server, local information providing server, sports event guidance server, government and local government server, shopping guidance server, etc.) (step S31b), and thus the road of the section or branch where road traffic information was collected. Factors affecting traffic flow (e.g. weather, date, day of the week, time of day, holiday, holiday, event, rally, construction, roadside feature information (school / academy, sport venue, nightlife, tourist destination, department store, discount store, marketplace, Information about the terminals, stop information, ...), etc.) is collected at a time point and at a predetermined cycle of collecting road traffic information (step S32b).

Thereafter, the traffic influence factor collection module 22 of the DMB traffic forecast server 20 transmits the traffic influence factor so as to correspond to the road traffic information about the future traffic flow influence factors collected by the interaction with various content servers. DB 24 stores information (step S33b) and repeats the procedure of collecting and storing future traffic flow influence factors by mutual interaction with the above-described content server, thereby obtaining information on factors affecting road traffic flow. Collect, accumulate, store and manage.

According to the above-described procedure, a traffic forecast service system using digital multimedia broadcasting collects a series of road traffic information and future traffic flow influencing information and stores them in respective DBs. An operation of providing a traffic forecast service will be described in detail with reference to FIG. 4.

First, the future of influencing various road traffic information and the road traffic flow by the traffic information collection module 21 and the traffic influence factor collection module 22 on the traffic information statistics DB 23 and the traffic influence factor DB 24. When traffic flow influence factor information is accumulated and stored, the information transmission module 25 stores various road traffic information and future traffic flow influence factors accumulated and stored in the traffic information statistics DB 23 and the traffic influence factor DB 24. The information is periodically extracted and transferred to the DMB traffic forecast providing module 26 (step S41).

Then, the DMB traffic forecast providing module 26 predicts the road traffic flow for each predetermined forecast period based on the various road traffic information and the future traffic flow influencing factor information transmitted from the information transmission module 25 and corresponds to the DMB broadcasting traffic. Flow prediction information is configured (step S42).

Thereafter, the DMB traffic forecast providing module 26 performs information verification such as data verification, update period verification, vehicle speed and time verification, etc. on the DMB broadcasting traffic flow prediction information configured above (step S43). The DMB broadcasting traffic flow prediction information is transmitted to the DMB broadcasting center 31 of the DMB broadcasting station 30 (step S44).

In addition, the DMB transmission center 31 receives an application for displaying a traffic forecast screen received from the DMB application module 27 of the DMB traffic forecast server 20 to provide a traffic forecast service to a DMB broadcast subscriber receiver. DMB broadcasting traffic information is transmitted to the DMB broadcasting receiver of the DMB broadcasting subscriber through the DMB broadcasting network, and thereafter, DMB broadcasting traffic flow prediction information periodically transmitted from the DMB traffic forecast providing module 26 of the DMB broadcasting traffic forecast server 20 DMB broadcasting subscribers to provide DMB broadcasting subscribers with traffic forecasting services for a predetermined forecast period (short-term forecast, daily forecast, weekly forecast, monthly forecast, seasonal forecast, etc.) based on DMB broadcast. (Step S45).

In this way, while providing a traffic forecast service for a predetermined forecast period to the DMB broadcast subscriber receiver, an operation of providing a traffic forecast service when a specific traffic forecast request is received from the DMB broadcast subscriber receiver is shown with reference to FIG. 5. It will be described in detail as follows.

First, the DMB traffic forecast server 20 provides a traffic forecast service for a predetermined forecast period according to the above-described procedure, and while providing the traffic forecast service, the DMB return response server 32 of the DMB broadcasting station 30 is provided. The DMB checks from the DMB broadcasting subscriber receiver whether there is a traffic forecast request for a specific period or a specific period of a point through the return channel (step S51).

At this time, if there is no traffic forecast request from the DMB broadcasting subscriber receiver, the traffic forecast service for each predetermined forecast period is continuously provided based on the above-described DMB broadcast by the DMB traffic forecast server 20 (step S52).

However, when it is confirmed that there is a traffic forecast 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 prediction service for a specific period of the section or point is requested in advance to grasp the traffic flow for a specific period of the particular section or point, the DMB broadcasting receiver identifies the information about the DMB broadcasting subscriber receiver. DMB return response server (32) of the DMB broadcasting station (30) through the return channel of the wireless communication network connected to the generated traffic forecast request content (including traffic forecast request content including forecast request section or point, forecast request period, etc.) Will be sent).

In this way, when a specific traffic forecast 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 receives the return channel of the DMB broadcasting subscriber receiver. After analyzing the contents of traffic forecast request through the DMB broadcasting subscriber, the traffic forecast request section or branch that the subscriber wants to receive and the forecast request period are checked, and the traffic forecast server for the section or branch and forecast request period is displayed. A request is made to the return response module 28 of step 20 (step S53).

Then, the return response module 28 of the traffic forecast server 20 for the DMB responds to the traffic information statistics DB 23 and the traffic influence factor DB according to the traffic forecast request by the DMB return response server 32 of the DMB broadcasting station 20. (24) accesses and extracts road traffic information and traffic influence factor information for a specific section or point required for constructing the requested traffic flow prediction information, wherein various road traffic information belonging to the forecast request section or point, and Information on future traffic flow influence factors belonging to the forecast request section or point and the forecast request period is extracted (step S54).

In addition, after the return response module 28 extracts various road traffic information and future traffic flow influencer information belonging to the forecast request section or point and the forecast request period, the return response module 28 predicts the road traffic flow for the forecast request period based on the information. DMB broadcasting traffic flow prediction information of a type suitable for DMB broadcasting is configured (step S55), after which a series of verifications are performed on the DMB broadcasting traffic flow prediction information (step S56). The flow prediction information is transmitted to the DMB return response server 32 of the DMB broadcasting station 30 in response to the traffic forecast request (step S57).

In addition, the DMB return response server 32 of the DMB broadcasting station 30 responds to the DMB broadcasting traffic flow prediction information about the request forecast period of the forecast request section or the point transmitted in response to the traffic forecast request through the return channel. When the DMB broadcast subscriber receiver requests a traffic forecast, the DMB broadcast requesting a traffic forecast using the DMB broadcast receiver identification information, which is identification information of the DMB broadcast subscriber included in the traffic information request, is transmitted. Traffic flow prediction information about the requested forecast period of a specific section or point requested to the subscriber receiver is transmitted, and the DMB broadcast receiver on the subscriber side of the DMB broadcast subscriber receives a request forecast period of a specific period or point transmitted through a return channel. DMB broadcasting based on DMB broadcasting by displaying traffic flow prediction information on the screen A transmission subscriber is able to provide a traffic forecast service for a specific period or periods and desired point (step S58).

Furthermore, in the present invention, the DMB traffic forecast server 20 is provided to the DMB broadcast subscriber after providing a series of traffic forecast services to any DMB broadcast subscriber receiver based on the DMB broadcast at the request of the DMB broadcast subscriber receiver. The service history 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 forecast service based on the above-described DMB broadcast for example as follows.

First, when a DMB broadcast subscriber selects a channel for providing a traffic forecast service through a button operation of a DMB broadcast receiver used by the DMB broadcast subscriber, the DMB broadcast receiver may receive terrestrial / DMB signals from the DMB transmission center 31 of the DMB broadcasting station 30. The service screen as shown in FIG. 6 is displayed by using an application for displaying a traffic forecast 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 forecast service of the future point of a particular section or point through the service menu, that is, 3 hours after the Gyeongbu Expressway during the highway traffic forecast, the DMB traffic forecast server 20 requests the traffic for DMB broadcasting according to the above-described procedure. Configure the flow prediction information and transmit it through the DMB broadcasting center 31 of the DMB broadcasting station 30 and the terrestrial / DMB DMB broadcasting network. As such, a forecast of traffic DMB broadcast subscriber receiver that is, to provide the overall flow of traffic prediction information in diameter highway after 3 hours.

In addition, when the DMB broadcasting subscriber requests a traffic forecast of a specific point, for example, near the metropolitan area of Gyeongbu Expressway through a return channel connected with the DMB broadcasting receiver, the DMB return response server 32 of the DMB broadcasting station 30 and The traffic flow prediction information about the section and time point requested by the return response module 28 of the DMB traffic forecast server 20, that is, the vicinity of the metropolitan area of Gyeongbu Expressway, is transmitted to the DMB broadcasting subscriber receiver through the return channel. By providing the DMB broadcasting subscriber receiver, detailed traffic flow prediction information is provided three hours later in the vicinity of the metropolitan area of the Gyeongbu Expressway as illustrated in FIG. 8 attached to the DMB broadcasting subscriber receiver.

In addition, the traffic forecast service described above may provide traffic forecasts such as metropolitan areas, highways, and local roads, as well as traffic forecast services such as fast road forecasts, MY Road, and map views.

In addition, the embodiments according to the present invention are 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 and accumulates and manages various types of road traffic information and information on external factors affecting the road traffic flow, and based on the road traffic information and future traffic flow influence factor information, The road traffic flow can be predicted, and it is processed into a traffic flow prediction information suitable for DMB broadcasting and transmitted to the DMB transmission center, which informs the DMB broadcasting subscriber receiver of future road traffic flow for any section or point. Various traffic forecasting services will be provided.

In addition, the present invention by processing the DMB broadcast traffic flow prediction information for the section or point and the forecast request period that the subscriber requests when the specific traffic forecast request from the DMB broadcast subscriber receiver through the return channel by transmitting it through the return channel In addition, based on the terrestrial / DMB DMB broadcasting, a specific DMB broadcasting subscriber receiver requesting a traffic forecast can provide a traffic forecasting service indicating a road traffic flow for a forecast request period of a specific section or point. Will enable you to anticipate and respond to future road traffic flows for specific segments or points.

Claims (12)

A traffic forecasting service system comprising: an information providing means for collecting and managing a series of road traffic information; a DMB broadcasting subscriber receiver using a DMB broadcasting service; and a DMB broadcasting station transmitting DMB broadcasting to the DMB broadcasting subscriber receiver. According to the information collection schedule, the road traffic information collected and managed by the information providing means is collected, and at least one vehicle traveling speed information, passing time information, traffic condition information, and road image information for each section or point is obtained from the traffic information statistics DB. A traffic information collection module to store in the; At least one of weather, date, day of the week, time of day, holiday, holiday, event, assembly, construction, road around feature information affecting the road traffic flow of the section or point collecting the road traffic information in the traffic information collection module A traffic impact factor collection module for collecting future traffic flow impact information including information from a content server and storing the traffic impact factor information in a traffic impact factor DB; An information transmission module that accesses the traffic information statistics DB and the traffic influence factor DB to extract and deliver road traffic information and future traffic flow influence factor information necessary for constructing DMB broadcasting traffic flow prediction information for a specific traffic forecast period; The DMB broadcasting traffic flow prediction information suitable for DMB broadcasting is configured by predicting the future road traffic flow for a specific forecast period based on the road traffic information and the future traffic flow influence factor information transmitted from the information transmitting module, and the DMB A traffic forecasting module for a DMB, which provides a traffic forecast service for a specific forecast period by transmitting to a DMB broadcast subscriber receiver through a DMB transmission center and a terrestrial / satellite DMB broadcasting network of a broadcasting station; When there is a traffic forecast request through the return channel from the DMB broadcasting subscriber receiver, the traffic forecast request is analyzed and traffic information statistics DB for road traffic information and future traffic flow influence factors for the traffic information request section or point is analyzed. And based on the road traffic information extracted from the traffic influence factor DB and the future traffic flow influence factor, the road traffic flow for the request period is predicted and processed into DMB traffic flow prediction information suitable for DMB broadcasting. And a return response module for transmitting traffic flow prediction information to the DMB broadcasting station. delete delete delete The method of claim 1, The DMB traffic forecast providing module and the return response module perform at least one information verification among data verification, update period verification, vehicle speed and time verification. The method of claim 1, In providing a traffic forecast service based on DMB broadcasting, an application module for DMB that transmits an application for displaying the traffic forecast screen to a DMB broadcasting subscriber receiver through a DMB broadcasting center and a terrestrial / satellite DMB broadcasting network of the DMB broadcasting station. Traffic forecast service system using a digital multimedia broadcasting, characterized in that it further comprises. The method of claim 1, The DMB broadcasting station analyzes the contents of the traffic forecast request when a traffic forecast is requested through a return channel of a DMB broadcast subscriber receiver, and uses the return response module of the DMB traffic forecast server to provide a traffic forecast for a forecast request period of a specific section or point. And a DMB return response server for transmitting the DMB traffic flow prediction information of a forecast request period for a specific section or point transmitted in response to the traffic forecast request to a corresponding DMB broadcast subscriber receiver through a return channel. Traffic forecast service system using a digital multimedia broadcasting, characterized in that. The DMB traffic forecast server and the traffic information server interoperate with each other according to a preset information collection schedule to collect road traffic information from the traffic information server, and then at least one vehicle driving speed information, passing time information, and traffic for each section or point. Dividing it into situation information and road image information and storing and storing it in a traffic information statistics DB; The weather, date, day of the week, time, holiday, holiday, event, assembly, construction, road affecting the road traffic flow of the section or point where the DMB traffic forecast server and the content server interwork with each other. Collecting future traffic flow impact information including at least one of the neighboring feature information, storing the cumulative traffic flow impact information in a traffic impact factor DB, and storing the cumulative traffic information; Extracting road traffic information and future traffic flow influencing factor information stored in the traffic information statistics DB and traffic influencing factor DB to predict future road traffic flow for a specific forecast period to construct DMB traffic flow prediction information suitable for DMB broadcasting. Steps; And transmitting the traffic flow prediction information configured for the DMB to a DMB broadcasting subscriber receiver through a DMB broadcasting center and a terrestrial / satellite DMB broadcasting network of a DMB broadcasting station to provide a traffic forecast service for each forecast period based on the DMB broadcasting. In the process of providing traffic forecast service using broadcasting, The process of providing a traffic forecast service using the digital multimedia broadcasting, Checking whether there is a traffic forecast request on a return channel from the DMB broadcasting subscriber receiver; Analyzing the traffic forecast request when there is a traffic forecast request from the DMB broadcasting subscriber receiver, extracting road traffic information and future traffic flow influence factor information for the traffic information request section or point; Processing the traffic traffic prediction information for DMB from the road traffic information and future traffic flow influence factor information extracted from the above; And Traffic flow prediction for the traffic information request section or point by transmitting the DMB traffic flow prediction information processed in the step to the DMB broadcast subscriber receiver correspondingly through the return channel using the identification number of the DMB broadcast subscriber receiver. Traffic forecast service method using a digital multimedia broadcasting, characterized in that it further comprises the step of providing information. delete delete The method of claim 8, The step of configuring the traffic flow prediction information for DMB and processing the traffic flow prediction information for DMB, And performing at least one information verification among data verification, update period verification, vehicle speed, and time verification. The method of claim 8, After the step of configuring DMB traffic flow prediction information suitable for DMB broadcasting, transmitting the DMB application to the DMB broadcasting subscriber receiver through the DMB broadcasting center of the DMB broadcasting station and the terrestrial / satellite DMB broadcasting network of the DMB broadcasting station; Traffic forecast service method using a digital multimedia broadcasting, characterized in that it further comprises.

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