JP5061196B2 - DMB-based user-requested telematics content providing system and method - Google Patents

Description

  The present invention relates to a DMB (Digital Multimedia Broadcasting) -based user-requested telematics content providing system and method, and more particularly, a message structure for requesting user-desired content from a TSP (Telematics Service Provider). And a structure of the TSP and DMB center for providing the requested content by analyzing it, through which the user can request and provide the content desired by the user. The present invention relates to a content providing system and method.

  The present invention is derived from research conducted as part of the IT New Growth Dynamic Core Technology Development Project of the Information Communication Department and the Information Communication Research Promotion Agency [Problem Management Number: 2005-S-115-02, Problem] Name: DMB-based telematics platform technology development].

  Recently, vehicle environments that have been disconnected from the outside in the past due to remarkable developments in mobile communication technology have become increasingly diverse via a wireless local area network (WLAN) and a code division multiple access (CDMA) external radio communication device. You can now use the MATICS service. The telematics service users use the mobile communication network outside the vehicle for real-time route guidance services, location-based services, and entertainment services, rather than using the information stored in the terminal in offline form. I hope to be provided with information. In addition, stable and high-quality digital video / audio / data services are possible even in a high-speed moving body such as a vehicle via DMB broadcasting, and the movement to fuse this with telematics is accelerating. Has been deployed.

  In the present invention, among telematics contents provided in an existing CDMA communication network, traffic information, weather information, surveillance camera position information, POI (Point Of Service) information, etc. are not personalized and are not suitable. Target content that can be used in common by a large number of specific users. When telematics content is provided on an existing CDMA communication network, it is personalized and has the advantage that a customized telematics service is possible in order to receive only the information necessary for itself. However, in order to provide such a service, a communication module for a telematics terminal must be purchased and maintained separately from the mobile phone carried by the individual. In addition, in order to be provided with a telematics service, it is necessary to frequently communicate with a telematics service provider (TSP) to download content. Therefore, the user must bear a high data communication fee.

  The existing CDMA two-way communication basically assumes TCP (Transmission Control Protocol) / IP (Internet Protocol) connection, and therefore considers traffic generated when many users access simultaneously. Therefore, in the telematics service center, the system construction and maintenance cost in the center increases. Therefore, for an inexpensive telematics service, it is necessary to diversify the communication channel and select the communication channel according to the characteristics of the content. For example, while personalized services use existing CDMA broadcasts, content that is expected to be used by many users in common, such as traffic information and weather information, may be transmitted over a broadcast network. desirable. However, if the vehicle enters the shadow area, it can be retransmitted after interruption in the case of two-way communication. However, since the DMB broadcasting network is premised on communication, such a mechanism is implemented. Impossible. Therefore, in the broadcasting network, the same data is retransmitted several times at a constant period, and although it is not perfect, the constant partial reception rate can be improved.

  The existing telematics content providing system via DMB performs only the role of transmitting the collected traffic information on a TPEG (Transport Protocol Experts Group) message to a terminal. However, as telematics content diversifies, limited services must be shared by several services. In addition, in order to provide differentiated services, it is necessary to allocate bandwidth to content frequently requested by users.

  Accordingly, in the embodiment of the present invention, a message structure for requesting the user-desired content from the TSP, a TSP for analyzing the content and giving priority to the content, and providing the requested content, and The structure of the DMB center is proposed, and through this, the user can request and provide the content desired by the user. In particular, in the case of a content providing service via the current DMB broadcast, user-desired content cannot be provided. However, according to an embodiment of the present invention, information requested by an individual is transmitted on the existing broadcast bandwidth, thereby efficiently using the bandwidth and simultaneously differentiating by region / service. Service can be provided.

  When telematics content such as traffic information, weather information, and POI information is provided in an existing CDMA communication network, frequent communication with the TSP and content download are required, which results in high data. Communication charges will be incurred. The commercialization of satellite DMB broadcasting and terrestrial DMB broadcasting enables stable and high-quality digital video / audio / data services via high-speed moving bodies such as vehicles via DMB broadcasting. Therefore, the movement to fuse this with telematics is quickly being developed. Therefore, among telematics contents provided in the existing CDMA communication network, such as congestion information, road event information (REI), safe driving information, news information, POI information, etc. Efforts are underway to transmit content that can be commonly used by multiple users using the data service channel of the DMB network. In the near future, TPEG TTI (Traffic and Travel Information) specifications will be standardized. It is going to be offered.

  Therefore, when transmitting telematics contents such as congestion information, road event information, safe driving information, news information, POI information, etc., which are already defined in the TPEG specification, through the DMB broadcast network, It is intended to propose a technique for further transmitting broadcast telematics content requested by the user by making the maximum use of the limited broadcast bandwidth.

  The present invention provides a service by providing data requested by a large number of users when providing a telematics content (traffic information, road event information, safe driving information, POI information, etc.) providing service via a DMB broadcasting network. Provide systems and methods to differentiate.

  In one aspect of the present invention, a DMB-based user-requested telematics content providing system is provided. The system receives and displays a DMB broadcast signal and content embedded in the DMB broadcast signal, and generates a request message for the content requested by a user. The request is received through the request message. A request information analyzing unit that analyzes the type of the content, obtains and stores the content from the content provider, and a DMB broadcast unit that loads and sends the content to a DMB broadcast signal provided to the user.

  In another aspect of the present invention, the telematics terminal device in a DMB-based user-requested telematics content providing system provided with a telematics terminal device, a telematics content providing device, and a DMB broadcasting device, A request information input unit for inputting information about content requested by the user, a message generation unit for generating a request message based on the input information, and providing the telematics content to the request message A message transmission unit for transmitting to the device, and a broadcast signal analysis unit for separating the DMB signal and the content from the DMB broadcast signal received from the DMB broadcast device.

  In another aspect of the present invention, the telematics content provision in a DMB-based user-requested telematics content providing system including a telematics terminal device, a telematics content providing device, and a DMB broadcasting device is provided. A device receives a request message from the telematics terminal device, and requests to analyze request information including the requested content type, the user location information, and route information via the request message. An information analysis unit; a content acquisition unit that receives the requested content from a content provider; and a content storage unit that stores both the content and the location information and route information of the user.

  In another aspect of the present invention, the DMB broadcasting device in a DMB-based user-requested telematics content providing system including a telematics terminal device, a telematics content providing device, and a DMB broadcasting device includes: A content classifying unit that classifies the content for each region via the user's location information and route information, a signal that converts the new content classified for each region to be suitable for the DMB broadcast signal, and loads the signal into the DMB broadcast signal A conversion unit, and a signal transmission unit that transmits the DMB broadcast signal including the content so that the user receives the DMB broadcast signal.

  In another aspect of the present invention, the telematics terminal device in a DMB-based user-requested telematics content providing system provided with a telematics terminal device, a telematics content providing device, and a DMB broadcasting device, A request information input unit that receives information about the user's departure or current location and destination information and content requested by the user, and a message that generates a request message based on the input information. A generating unit, a message transmitting unit that transmits the generated request message to the telematics content providing apparatus in SMS or TCP format, a signal receiving unit that receives the DMB broadcast signal, and the received DMB broadcast signal Separating the content requested by the user from Comprising a signal analysis unit which provides the serial user.

  In another aspect of the present invention, the telematics content provision in a DMB-based user-requested telematics content providing system including a telematics terminal device, a telematics content providing device, and a DMB broadcasting device is provided. An apparatus includes a request message receiving unit that receives the request message from the telematics terminal apparatus, a starting or current location of the user, destination information, and information about the content requested by the user from the request message. A request message analysis unit that separates, a request information classification unit that counts the number of requests based on information about the requested content, and a route analysis that generates a multiple route to move to the destination from the user's departure or current location Part, before by the generated route Refer to the location analysis unit that extracts the user's location and classifies by sphere or link, the number of requests, the multipath, the sphere or link classification, information about the content, the user grade, A priority classifying unit for assigning priority of the requested content, and a content transmitting unit for transmitting the requested content and the priority assigned to the content to the DMB broadcasting device.

  In another aspect of the present invention, the DMB broadcasting device in a DMB-based user-requested telematics content providing system including a telematics terminal device, a telematics content providing device, and a DMB broadcasting device includes: A content receiving unit that receives requested content and priority assigned to the content, a content classifying unit that classifies the content according to each region or service from the user's departure or current location and destination information, and the classification A signal conversion unit that loads the converted content into DMB broadcast signals for each region or service and converts them into TPEG data, and a signal transmission unit that transmits the converted DMB broadcast signals are provided.

  In another aspect of the present invention, a method for providing user-requested telematics content based on DMB is provided. The method includes (a) generating a request message for the content requested by the user, and (b) analyzing the type of the requested content based on the request message, and determining the content requested by the user as a content provider. And acquiring the content, and (c) loading the acquired content into a DMB broadcast signal and sending it to the user.

  As described above, the present invention collects user requests regarding telematics contents, analyzes them, and reflects them during DMB data broadcasting. Accordingly, the present invention can provide a differentiated DMB data broadcasting service to the user. In addition, the present invention collects each request in association with a limited bandwidth, and assigns a wide bandwidth to a service with a high request frequency so that the transmission rate for each service can be adjusted. The width can be used.

  The above-described features and other features and advantages of the present invention will become more apparent from the detailed description and exemplary embodiments with reference to the accompanying drawings.

1 is a diagram illustrating a structure of a user-requested telematics content providing system according to an exemplary embodiment of the present invention. FIG. FIG. 2 is a diagram illustrating a telematics terminal structure of FIG. 1. It is a figure which shows the user request information analysis system structure of FIG. It is drawing which shows the structure of the DMB center of FIG. 5 is a flowchart illustrating a user terminal according to an exemplary embodiment of the present invention. 4 is a flowchart illustrating a request information analysis process according to an exemplary embodiment of the present invention. FIG. 5 is a diagram illustrating a request message structure according to an exemplary embodiment of the present invention. 1 is a block diagram illustrating a structure of a user-requested telematics content providing system according to an exemplary embodiment of the present invention. 3 is a flowchart illustrating a method for providing user-requested telematics content according to an exemplary embodiment of the present invention. 10 is a flowchart illustrating a series of processes performed at a user terminal end in the process of FIG. 9. FIG. 10 is a flowchart showing a content storage process in the process of FIG. 9. FIG. 10 is a flowchart illustrating a broadcast signal transmission process in the process of FIG. 9.

  The present invention provides a service by providing data requested by a large number of users when providing a telematics content (traffic information, road event information, safe driving information, POI information, etc.) providing service via a DMB broadcasting network. Provide systems and methods to differentiate.

  In one aspect of the present invention, a DMB-based user-requested telematics content providing system is provided. The system receives and displays a DMB broadcast signal and content embedded in the DMB broadcast signal, and generates a request message for the content requested by a user. The request is received through the request message. A request information analyzing unit that analyzes the type of the content, obtains and stores the content from the content provider, and a DMB broadcast unit that loads and sends the content to a DMB broadcast signal provided to the user.

  In another aspect of the present invention, the telematics terminal device in a DMB-based user-requested telematics content providing system provided with a telematics terminal device, a telematics content providing device, and a DMB broadcasting device, A request information input unit for inputting information about content requested by the user, a message generation unit for generating a request message based on the input information, and providing the telematics content to the request message A message transmission unit for transmitting to the device, and a broadcast signal analysis unit for separating the DMB signal and the content from the DMB broadcast signal received from the DMB broadcast device.

  In addition, the message transmission unit transmits the request message in SMS or TCP format via a CDMA communication network, a Wibro communication network, or an HSDPA communication network.

  In another aspect of the present invention, the telematics content provision in a DMB-based user-requested telematics content providing system including a telematics terminal device, a telematics content providing device, and a DMB broadcasting device is provided. A device receives a request message from the telematics terminal device, and requests to analyze request information including the requested content type, the user location information, and route information via the request message. An information analysis unit; a content acquisition unit that receives the requested content from a content provider; and a content storage unit that stores both the content and the location information and route information of the user.

  In another aspect of the present invention, the DMB broadcasting device in a DMB-based user-requested telematics content providing system including a telematics terminal device, a telematics content providing device, and a DMB broadcasting device includes: A content classifying unit that classifies the content for each region via the user's location information and route information, a signal that converts the new content classified for each region to be suitable for the DMB broadcast signal, and loads the signal into the DMB broadcast signal A conversion unit, and a signal transmission unit that transmits the DMB broadcast signal including the content so that the user receives the DMB broadcast signal.

  In addition, the signal conversion unit loads the content into the DMB broadcast signal based on a DMB broadcast signal bandwidth allowable for each region, and converts the DMB broadcast signal into TPEG data.

  The content includes vehicle speed, road surface information, traffic information including traffic volume, road event information including construction status, weather information, POI information, gas station price information, parking lot information, surveillance camera position information, accommodation office Includes information and real-time news information.

  The request message includes request message identification information, user identification information, user current location and destination information, request time information, and request content type.

  In another aspect of the present invention, the telematics terminal device in a DMB-based user-requested telematics content providing system provided with a telematics terminal device, a telematics content providing device, and a DMB broadcasting device, A request information input unit that receives information about the user's departure or current location and destination information and content requested by the user, and a message that generates a request message based on the input information. A generating unit, a message transmitting unit that transmits the generated request message to the telematics content providing apparatus in SMS or TCP format, a signal receiving unit that receives the DMB broadcast signal, and the received DMB broadcast signal Separating the content requested by the user from Comprising a signal analysis unit which provides the serial user.

  In another aspect of the present invention, the telematics content provision in a DMB-based user-requested telematics content providing system including a telematics terminal device, a telematics content providing device, and a DMB broadcasting device is provided. An apparatus includes a request message receiving unit that receives the request message from the telematics terminal apparatus, a starting or current location of the user, destination information, and information about the content requested by the user from the request message. A request message analysis unit that separates, a request information classification unit that counts the number of requests based on information about the requested content, and a route analysis that generates a multiple route to move to the destination from the user's departure or current location Part, before by the generated route Refer to the location analysis unit that extracts the user's location and classifies by sphere or link, the number of requests, the multipath, the sphere or link classification, information about the content, the user grade, A priority classifying unit for assigning priority of the requested content, and a content transmitting unit for transmitting the requested content and the priority assigned to the content to the DMB broadcasting device.

  In another aspect of the present invention, the DMB broadcasting device in a DMB-based user-requested telematics content providing system including a telematics terminal device, a telematics content providing device, and a DMB broadcasting device includes: A content receiving unit that receives requested content and priority assigned to the content, a content classifying unit that classifies the content according to each region or service from the user's departure or current location and destination information, and the classification A signal conversion unit that loads the converted content into DMB broadcast signals for each region or service and converts them into TPEG data, and a signal transmission unit that transmits the converted DMB broadcast signals are provided.

  In another aspect of the present invention, a method for providing user-requested telematics content based on DMB is provided. This method is a DMB broadcasting device.

  The step (a) includes a step of receiving an input of information about the content requested by the user from the user, and a step of generating a request message based on the input information.

  The step (b) comprises analyzing request information including the type of the requested content and the location information and route information of the user based on the request message, and analyzing the requested content. Acquiring from the content provider, and storing the acquired content and the location information and route information of the user.

  The step (c) includes the step of classifying the acquired content according to each region based on the location information and route information of the user in the request message, and the content classified according to the region as a DMB broadcast signal. And converting the content into new content so as to be suitable, and loading the DMB broadcast signal into the DMB broadcast signal, and sending the DMB broadcast signal loaded with the new content to the user.

  The step (a) is based on the input of the user's departure or current location and destination information and information about the content requested by the user, and the input information. Generating a request message, and transmitting the generated request message in an SMS or TCP format.

  In addition, the step (b) includes receiving the request message, separating the user's starting or current location and destination information from the request message, and information about the content requested by the user, Counting the number of requests according to information about the requested content; generating a multi-path to move to the destination from the user's starting point or current position; and the user's position according to the generated path Categorizing by sphere or link, referring to the number of requests, the multipath, the categorization by sphere or link, information about the content, and the grade of the user. Assigning priorities to the requested content, and the priority assigned to the requested content and the content Including the step of transmitting the position.

  In the step (c), the requested content and the priority assigned to the content are received, and the content is classified according to each region or service from the user's departure or current location and destination information. Classification, loading the classified content into a DMB broadcast signal for each region or service, converting the content into TPEG data, and sending the converted DMB broadcast signal.

  Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. The present invention, however, is implemented with various modifications and should not be construed as limited to the embodiments shown herein. Rather, the disclosure of these embodiments is provided to fully convey the spirit of the invention to those skilled in the art.

  FIG. 1 is a view illustrating a structure of a user request telematics content providing system according to an exemplary embodiment of the present invention. Referring to FIG. 1, a user-requested telematics content providing system includes a DMB (Digital Multimedia Broadcasting) support telematics terminal 100, a telematics service provider (TSP) 110, DMB broadcasting. A center 120 is included.

  The DMB support telematics terminal 100 generates a content request message and transmits it to the TSP 110. The user request information analysis system 115 of the TSP 110 analyzes the transmitted content request message and assigns the priority of the message transmitted to the user in order of importance.

  The analysis result of the user request information is transmitted to the DMB broadcast center 120. The DMB broadcast center adds the content requested by the user to the currently broadcast telematics content, and the area within the bandwidth allows. Transmit by different service. The telematics terminal 100 receives a TPEG (Transport Protocol Experts Group) message transmitted through the DMB and provides information to the user.

  FIG. 2 is a diagram illustrating a structure of the DMB-supported telematics terminal of FIG. Referring to FIG. 2, the telematics terminal includes a request information input unit 201, a message transmission unit 202, a request message generation unit 203, a signal analysis unit 204, and a signal reception unit 205.

  The DMB supporting telematics terminal 100 receives a user request through the request information input unit 201. The request information input unit 201 may exist in a form integrated with navigation, or may exist as a separate user request generation application. The user inputs information on the departure place (or current position) and destination to receive information, and inputs the type of information requested. Depending on the information requested, information that must be additionally input may be added.

  Based on the input information, the request message generation unit 203 generates a request message, and the generated message is transmitted via the message transmission unit 202 in a form such as SMS (Short Message Service) or TCP (Transmission Control Protocol). To the TSP. The contents of the request message include protocol version information, use case ID and request protocol identification information such as a message ID, requested user identification information, location information (departure location or current location and destination location, or requested location Information), request time, content item to be requested, detailed items by content, etc. are requested.

  Content items include congestion information, road event information (REI), POI (point of service) information, news information, etc. When requesting congestion information, the types of roads that require congestion information as detailed items (Expressway, 3 lanes or more) can be specified, and if it is prediction information, the time can be specified and the prediction information can be requested within minutes. POI information also specifies the type of POI information to be requested, whether it is gas station information or lodging office information, etc., and defines detailed items accordingly, and further subdivided requests Enable. The generated request message includes information indicating that it is transmitted via CDMA (Code Division Multiple Access), Wibro (wireless broadband Internet), HSDPA (High-Speed Downlink Packet Access), or the like.

  FIG. 3 is a diagram illustrating a structure of the user request information analysis system of FIG. Referring to FIG. 3, a terminal request receiving unit 301, a request message analyzing unit 302, a request priority order classifier 310, a user request rule generator 311, and a broadcasting center connection system 370 are configured.

  The request transmitted from the terminal is decoded by the request message analyzing unit 302 via the terminal request receiving unit 301.

  The user request information classifier 303 counts the number of requests depending on the type of requested information. The user path analyzer 304 generates a multipath based on the transmitted position information. The user location analyzer 305 extracts the location of the information requested by the user and classifies it by sphere or link.

  The request information analyzed in detail as described above is constructed as request statistical information 306, which includes telematics content information 307 received in real time and content constructed after existing history data is analyzed. The request information is input to the request priority classifier 310 with reference to the statistical information 308 and additional information 309 such as user grade.

  If the real-time telematics content information 307 is compared with the content statistics information 308 and the deviation is large, a sudden accident has occurred. In this case, since the content statistical information 308 needs to be transmitted with the highest priority, the priority of the content statistical information 308 is increased.

  The priority order of the requests classified in this way is made regular via the request Rule generator 311 and stored in the Rule DB (DataBase) 321, which is transmitted to the DMB center via the broadcasting center linkage system 370.

  FIG. 4 is a diagram showing the structure of the DMB center of FIG. Referring to FIG. 4, the DMB center 120 includes a TSP center link system 401, a user request rule application unit 402, a broadcast content classifier 403, a data conversion unit 405, and a broadcast transmission unit 406.

  The TSP center linking system 401 links various data generated between the TSP and the DMB center 120, and transmits various data generated by the DMB center 120 to the TSP. In particular, the TSP center linking system 401 transmits the user-requested RULE list 312 with priorities determined and the real-time telematics content 307 broadcast via the DMB to the authorized DMB center. . Thereafter, when charging for user request processing, the TSP center cooperation system 401 performs processing in cooperation with the TSP center.

  Further, when requested by the TSP center, the TSP center cooperation system 401 transmits an available bandwidth to each TSP center by region / service. The transmitted user request rule is obtained by the user request rule application unit 402 by grasping the amount of bandwidth available for each region / service currently transmitted, and dynamically performing broadcast scheduling. In this process, RULE is applied according to priority, and information requested by the user is added to the existing broadcast catalog within the allocated bandwidth.

  The broadcast content classifier 403 classifies and loads telematics content to be broadcast for each region / service. The loaded data is transmitted to broadcasting stations in each region, converted into TPEG data for each service by the data conversion unit 405, and sent out by the broadcast sending unit 406 by DMB broadcasting for each region.

  FIG. 5 is a flowchart according to an embodiment of the present invention showing request information processing centered on a user terminal.

  Referring to FIG. 5, the user requests traffic information, POI information, and road event information on the current route using an application (S500). The terminal generates a content request message (S501), transmits the message to the message transmission unit (S502), the message transmission unit transmits the content request message to the TSP center (S503), and the TSP center receives the content request message. The result is notified to the terminal (S504).

  Real-time route analysis and statistical data analysis are performed on the content request message (S505). The analyzed message is transmitted to the DMB center 120, and the content to which the request result is applied is loaded into a TPEG message for each region and broadcast (S508). The TPEG message is analyzed by the signal receiver of the terminal (S509). If the TPEG message is decoded and transmitted to the application, the application analyzes the received content and displays it in an appropriate form (S511).

  FIG. 6 is a flowchart illustrating a request information analysis process according to an exemplary embodiment of the present invention.

  Referring to FIG. 6, when the TSP receives the message (S601), the TSP analyzes the received message (S602), and extracts the content type, the location information (S603) to be requested, and the multipath. (S604). As a result, the TSP extracts the requested link ID and area information.

  The extracted information is classified by content / service / sphere (S605). Further, the content request statistical information, the grade of the user who requested real-time information, and history analysis information are reflected in the classified information (S606), and a RULE to which the priority is applied is generated (S607). The generated Rule and real-time content are transmitted to the DMB center 120 (S608).

  FIG. 7 is a diagram illustrating a request message structure according to an embodiment of the present invention.

  Referring to FIG. 7, the request message is divided into a header and a body.

  The header includes protocol version information (version), use case ID (for example, traffic information request use case ID, road event (accident) information request use case ID, etc.), message ID (exchanged for each use case). Message ID) and overall message length (message length).

  The main body includes a request occurrence time (request timestamp), a request message (request message), and location information (location).

  The request message further describes the bearer type to receive the request. In the present invention, since the request message is received via the T-DMB network, this is clearly indicated as a bearer type, and is composed of a request message size and request message data.

  The request message data is classified according to the requested data type. When CTT (congested traffic information) is requested, the details of the CTT Item include a section predicted average speed, a section predicted passing time, and a degree of congestion. The Load Item includes all kinds of road information such as highways, local roads, and national roads. LinkID Item includes the type of node link system. That is, the LinkID Item clearly indicates whether to follow the node link system of the construction traffic department or a node link system defined by itself.

  The Region Item includes the region code of the information to be requested, and the Present / Predict time Item describes whether information at the current time point is requested or how much prediction information is requested.

  In the same way, the Safety Driving Information (SDI) item describes the type of SDI information to be requested (overspeed danger area, sharp curve area, etc.) and which area information is requested. To do.

  The location information describes the location information of the requested region and the location information of the region from which information is to be obtained.

  FIG. 8 is a block diagram illustrating a structure of a user-requested telematics content providing system according to an embodiment of the present invention. Referring to FIG. 8, this system includes a telematics terminal device 800, a telematics content providing device 810, and a DMB broadcasting device 820.

  The telematics terminal device 800 includes a request information input unit 801, a message generation unit 802, a message transmission unit 803, and a broadcast signal analysis unit 804.

  The request information input unit 801 receives user information regarding the user's departure or current location and destination, and information about the content requested by the user.

  The message generator 802 generates a request message based on the received information. The message transmission unit 803 transmits the generated request message to the request information analysis unit in SMS or TCP format.

  The signal receiving unit 804 receives the DMB broadcast signal. The signal analysis unit 805 separates the content requested by the user from the received DMB signal and provides the content to the user.

  The telematics content providing apparatus 810 includes a content storage unit 811, a request information analysis unit 812, a message reception unit 813, and a content acquisition unit 814.

  The message receiving unit 813 receives a request message from the telematics terminal device 800.

  The request information analysis unit 812 analyzes request information including the requested content type and the user location information and route information based on the received request message.

  The content acquisition unit 814 receives the requested content from the content provider.

  The content storage unit 811 stores the content and the location information and route information of the user.

  The DMB broadcasting device 820 includes a content classification unit 821, a signal conversion unit 822, and a signal transmission unit 823.

  The content classifying unit 821 classifies the content for each region through the user location information and route information.

  The signal conversion unit 822 converts the content classified by region into new content suitable for the DMB broadcast signal, and loads the content into the DMB broadcast signal. The signal transmission unit 823 transmits a DMB broadcast signal including the new content to the user.

  FIG. 9 is a flowchart illustrating a method for providing user-requested telematics content according to an embodiment of the present invention.

  Referring to FIG. 9, a request message for content requested by a user is generated (S900). The requested content type is analyzed based on the request message, the requested content is acquired from the content provider, and the content is stored (S910).

  The content is loaded into the DMB broadcast signal and transmitted to the user (S920), thereby providing the requested telematics content to the user.

  FIG. 10 is a flowchart showing a series of steps executed in the user terminal in the method of FIG.

  The user inputs information about the content requested by the user (S1000). A request message is generated based on the input information (S1010), and a DMB signal and content are separated from the received DMB broadcast signal (S1020).

  FIG. 11 is a flowchart showing a content storing step in the method of FIG.

  Referring to FIG. 11, a request message is received (S1100). Next, based on the request message, request information including the requested content type, user location information, and route information is analyzed (S1110).

  The requested content is obtained from a content provider (S1120). This content and the location information and route information of the user are both stored (S1130), and the content requested by the user is acquired.

  FIG. 12 is a flowchart showing a broadcast signal sending step in the method of FIG.

Referring to FIG. 12, the content is classified for each region based on the user's location information and route information. (S1200)
The content classified by region is converted into new content suitable for the DMB broadcast signal, and the new content is loaded onto the DMB broadcast signal (S1210). Next, the DMB broadcast signal is sent to the user (S1220), and the requested telematics content is provided to the user.

  The present invention can also be embodied as computer readable codes on a computer readable recording medium. Computer-readable recording media include all types of recording devices that can store data that can be read by a computer system. Examples of computer-readable recording media include ROM (Read-Only Memory), RAM (Random-Access Memory), CD_ROM, magnetic tape, floppy (registered trademark) disk, optical data storage device, and the like. Also included are those embodied in the form of waves (eg, transmission over the Internet).

  Further, the computer-readable recording medium is distributed in a computer system connected to a network, and can be stored and executed with a computer-readable code in a distributed manner.

  As described above, the optimal embodiment is disclosed in the drawings and the specification. Although specific terms have been used herein, they are merely used for the purpose of describing the present invention and are not intended to limit the scope of the invention as defined in the meaning or claims. It was not used to limit. Accordingly, those skilled in the art will understand that various modifications and equivalent other embodiments may be possible therefrom. Therefore, the true technical protection scope of the present invention is determined by the technical idea of the claims.

Claims (9)

A DMB (Digital Multimedia Broadcasting) broadcast signal and content embedded in the DMB broadcast signal are received and displayed, and a request message for the content requested by the user, the user's current location and destination information, and the type of requested content A telematics terminal device that generates a request message including :
A message receiving unit for receiving the request message from the telematics terminal device;
The requested type of content based on the request message, the analyzes requested information including location information of the user, and the route information, a content that the user has requested to acquire from the content provider, a content that the acquired a request information analysis unit that stores said requested information,
A request information classifying unit that counts the number of requests for the content based on the request information;
A location analysis unit that extracts the location of the user according to the request information and classifies the location by sphere or link;
A priority classification unit that gives priority of the requested content based on the number of requests, the request information, and the classification by sphere or link;
A content transmission unit for transmitting the requested content and the priority assigned to the content to the DMB broadcasting device;
A telematics content providing device including :
A DMB broadcasting apparatus for delivering to the telematics terminal by loading the requested content to the DMB broadcasting signal,
A content receiver for receiving the requested content and the priority assigned to the content;
A content classifying unit that classifies the content for each region based on the location information and route information of the user;
A signal conversion unit that loads the content classified by the region into the DMB broadcast signal based on the bandwidth allowable for the region allocated based on the priority, and converts the DMB broadcast signal into TPEG data When,
A signal sending unit for sending the TPEG data to the telematics terminal device;
User requested telematics content providing system DMB infrastructure, characterized in that it comprises a DMB broadcasting apparatus comprising. The telematics terminal device is:
A request information input unit that receives input of information about the content requested by the user from the user;
A message generator for generating said request message based on the information the input,
A message transmission unit for transmitting the request message to the telematics content providing apparatus;
User requested telematics content providing system DMB foundation according to claim 1 you anda broadcast signal analyzing unit for separating the DMB signals and content from the received DMB broadcast signal from the DMB broadcasting apparatus . The request message, requesting message identification information, user identification information, and user requests telematics content providing system DMB foundation according to claim 1, further comprising a request time information. The message transmission unit sends the request message to a short message service (SMS) via a code division multiple access (CDMA) communication network, a wireless broadband Internet (Wibro) communication network, or a high-speed downlink packet access (HSDPA) communication network. 3. The DMB-based user-requested telematics content providing system according to claim 2, wherein transmission is performed in a TCP (transmission control protocol) form. The telematics terminal device is:
A request information input unit that receives input of information about the user's departure or current location and destination information, and content requested by the user;
A message generator for generating said request message based on the input information,
Before Kiyo請messages by SMS or TCP mode, and a message transmission unit to be transmitted to the telematics content providing device,
A signal receiving unit for receiving the DMB broadcast signal;
The DMB-based user-requested telematics content according to claim 1 , further comprising: a signal analysis unit that separates the content requested by the user from the received DMB broadcast signal and provides the content to the user. Offer system . Receives and displays the content that has been put in the DMB broadcast signal and the DMB broadcasting signal, the telematics terminal device for generating a request message for content that the user requests, the requested content based on the request message Analyzing the type, acquiring the content requested by the user from the content provider, and loading the acquired content into the DMB broadcast signal, including a telematics content providing apparatus including a request information analysis unit for storing the acquired content in the telematics content providing device on the user requested telematics content providing system DMB board comprising a DMB broadcasting apparatus for delivering to the user Te,
A request message receiving unit for receiving the request message from the telematics terminal device;
A request message analysis unit that separates from the request message, the user's departure or current location and destination information, and information about the content requested by the user;
A request information classifying unit that counts the number of requests according to information about the requested content;
A route analysis unit for generating a multiple route to move to the destination from the user's departure point or current position;
A location analysis unit that extracts the location of the user according to the generated route and classifies the location by sphere or link;
A priority classification unit that gives priority to the requested content by referring to the number of requests, the multiple paths, the classification by sphere or link, information about the content, and the grade of the user;
A telematics content providing apparatus comprising: a content transmission unit configured to transmit the requested content and the priority assigned to the content to the DMB broadcasting device. The telematics terminal device generates a request message for the content requested by the user, including a user's current location and destination information, and the type of requested content ;
A telematics content providing device receiving the request message from the telematics terminal device;
The telematics content provision device, a step of analyzing the request information including the type of the requested content request message based on the position information of the user, and the route information,
The telematics content providing apparatus acquires the content requested by the user from a content provider, and stores the acquired content and the request information ;
The telematics content providing apparatus counts the number of requests for the content based on the request information;
The telematics content providing device extracts the user's location according to the request information, and classifies by sphere or link;
The telematics content providing apparatus assigning priority of the requested content based on the number of requests, the request information, and the classification by sphere or link;
The telematics content providing apparatus transmitting the requested content and the priority assigned to the content;
A DMB broadcasting device loading the requested content into a DMB broadcasting signal and sending it to the telematics terminal device ;
Receiving the requested content and the priority assigned to the content;
Dividing the content for each region based on the user's location information and route information ;
Loading the content segmented by region into the DMB broadcast signal based on the bandwidth allowed by region allocated based on the priority, and converting the DMB broadcast signal into TPEG data;
Sending the TPEG data to the telematics terminal device;
A method for providing DMB-based user-requested telematics content, comprising: The step of generating the request message includes:
Receiving an input of information about the content requested by the user from the user;
User requested telematics content provision method of DMB foundation according to claim 7, further comprising a step of generating the request message based on the information the input. The step of generating the request message includes:
From the user, the user's departure or current location and destination information, and information about the content requested by the user,
And generating the request message based on the input information,
User requests for DMB based telematics content providing method according to claim 7, characterized in that before further including the step of transmitting the Kiyo請messages by SMS or TCP forms.

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