KR20060104539A - Dmb terminal, system and method for providing interactive dmb services through wibro network - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to a DM terminal, a system, and a method for providing a bidirectional data broadcasting service using a wireless communication network.

2. The technical problem to be solved by the invention

The present invention obtains and provides A / V (Audio / Video) content and broadcast data to a user through digital multimedia broadcasting (DMB), and provides detailed data (linked data) of the broadcast data from the user. The purpose of the present invention is to provide a DMB terminal, a system, and a method for providing a bidirectional data broadcasting service using a wireless communication network for acquiring and providing corresponding interworking data from a return channel server through a wireless communication network according to a request.

3. Summary of Solution to Invention

The present invention provides a DM terminal, comprising: preprocessing means for preprocessing A / V (Audio / Video) content and broadcast data received from the outside; A screen is constructed using the A / V content and broadcast data preprocessed by the preprocessing means, and the request signal is transmitted to the interlocking data processing means according to the interlocking data request from the user, and the interlocking data from the interlocking data processing means. Screen configuration means for configuring a screen in consideration of the correlation between the broadcast data and the corresponding broadcast data; Display means for displaying the screen configured by the screen configuration means for the user to check; The interworking data processing means for transferring the request signal from the screen configuration means to a wireless communication network interworking means and arranging the interworking data streams received from the wireless communication network interworking means; And converting the request signal from the interworking data processing means into an analog request signal and transmitting it to an external return channel server through a wireless communication network, and interlocking data from the return channel server through the wireless communication network to the interworking data processing means. And a wireless communication network interworking means for transmitting.

4. Important uses of the invention

The present invention is used in DM systems and terminals.

DMB, portable internet, interactive data broadcasting, broadcasting data, interlocking data

Description

DMB terminal, system and method for providing interactive data broadcasting service using wireless communication network {DMB terminal, system and method for providing interactive DMB services through WiBro network}

1 is a configuration diagram of an embodiment of a bidirectional data broadcasting service providing system using a portable Internet according to the present invention;

2 is a configuration diagram of a DM terminal having a bidirectional data broadcasting service providing function using a portable Internet according to the present invention;

3 is a diagram illustrating an embodiment of a platform stack structure of a DM terminal having a bidirectional data broadcasting service providing function using the portable Internet according to the present invention;

4 is a flowchart illustrating a method of providing a bidirectional data broadcasting service using a portable Internet in a DM terminal according to the present invention.

* Explanation of symbols for the main parts of the drawings

21: preprocessor 22: screen configuration

23: display unit 24: interlock data processing unit

25: mobile Internet connection

The present invention relates to a DMB terminal, a system, and a method for providing a bidirectional data broadcasting service using a wireless communication network, and more particularly, to A / V (Audio / Video) through digital multimedia broadcasting (DMB). Acquire and provide contents and broadcast data to a user, and acquire and provide corresponding interworking data from a return channel server through a wireless communication network in response to a request for detailed data (linked data) of the broadcast data from a user. The present invention relates to a DM terminal, a system, and a method for providing a bidirectional data broadcasting service using a communication network.

In the present invention, the DMB terminal is a voice, a text through wireless communication, such as a mobile communication terminal, PCS (Personal Communication Service) terminal, PDA (Personal Digital Assistant), smart phone, next generation mobile communication (IMT-2000) terminal, wireless LAN terminal, etc. And a wireless communication terminal capable of transmitting / receiving image data and the like, and having a DMB reception function.

In addition, one embodiment of the present invention will be described by taking a portable Internet as an example of a wireless communication network in consideration of data transmission rate and usage fee, and also described as an example of digital multimedia broadcasting using terrestrial digital multimedia broadcasting as an example. It is not limited to this.

In general, terrestrial DMB, which is a digital multimedia broadcasting, is capable of multimedia broadcasting including sound quality and video of CD (Compact Disk) level and additional data broadcasting services, and is a digital multimedia broadcasting having excellent reception quality while moving.

Through such DMB, it is possible to provide a data broadcasting service dependent or independent of video.

However, because the bandwidth of the terrestrial DMB channel is very narrow, the amount of data that can be provided through broadcasting is also very small. Therefore, there are limitations in transmitting various broadcast data required by each user through a broadcasting network.

The present invention has been proposed to solve the above problems, and provides A / V (Audio / Video) content and broadcast data to a user through digital multimedia broadcasting (DMB) and provides the user with the broadcast data. DMB terminal and system having a bidirectional data broadcasting service providing function using a wireless communication network for acquiring and providing corresponding interworking data from a return channel server through a wireless communication network in response to a request for detailed data (interlocked data) for the The purpose is to provide a method.

Other objects and advantages of the present invention can be understood by the following description, and will be more clearly understood by the embodiments of the present invention. Also, it will be readily appreciated that the objects and advantages of the present invention may be realized by the means and combinations thereof indicated in the claims.

An apparatus of the present invention for achieving the above object, in a DM terminal, pre-processing means for pre-processing the A / V (Audio / Video) content and broadcast data received from the outside; A screen is constructed using the A / V content and broadcast data preprocessed by the preprocessing means, and the request signal is transmitted to the interlocking data processing means according to the interlocking data request from the user, and the interlocking data from the interlocking data processing means. Screen configuration means for configuring a screen in consideration of the correlation between the broadcast data and the corresponding broadcast data; Display means for displaying the screen configured by the screen configuration means for the user to check; The interlocking data processing means for transferring the request signal from the screen configuration means to a wireless communication network interworking means and arranging the interworking data streams received from the wireless communication network interworking means; And converting the request signal from the interworking data processing means into an analog request signal and transmitting it to an external return channel server through a wireless communication network, and interlocking data from the return channel server through the wireless communication network to the interworking data processing means. It characterized in that it comprises a wireless communication network interworking means for transmitting.

On the other hand, the system of the present invention, in a DM system, a DM center for providing A / V (Audio / Video) content and broadcast data to the DM terminal via the DM network; And a return channel server for providing the corresponding interworking data through the wireless communication network as the interworking data is requested from the DM terminal through the wireless communication network.

On the other hand, the method of the present invention, a method for providing a two-way data broadcasting service using a wireless communication network, comprising the steps of: reproducing A / V (Audio / Video) content and broadcast data received through the DMB network; Acquiring corresponding interworking data through a wireless communication network when receiving interworking data corresponding to the broadcast data; Constructing a screen in consideration of correlation between the acquired interworking data and corresponding broadcast data; And displaying the configured screen for the user to check.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, whereby those skilled in the art may easily implement the technical idea of the present invention. There will be. In addition, in describing the present invention, when it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a configuration diagram of an embodiment of a bidirectional data broadcasting service providing system using a portable Internet according to the present invention.

As shown in FIG. 1, the bidirectional data broadcasting service providing system using the portable Internet according to the present invention includes a terrestrial DMB center 11 for providing multimedia (A / V) content and broadcasting data through a terrestrial DMB; Transmitter 12 for transmitting the multimedia data and the broadcast data from the terrestrial DMB center 11 to the DMB terminal 13, and the corresponding interworking through the portable Internet in response to a request from the DMB terminal 13; And a return channel server 14 for providing data.

In this case, the DMB terminal 13 reproduces the multimedia data and the broadcast data transmitted through the transmitter 12 and provides the same to the user, and when the user receives a request for detailed data (interlocked data) of the broadcast data, the portable Internet is provided. The corresponding interworking data is obtained from the return channel server 14 and provided to the user.

In addition, the terrestrial DMB may simultaneously transmit A / V content and broadcast data through one channel.

In addition, the terrestrial DMB center 11 includes a data broadcasting authoring device 111 for authoring broadcast data for bidirectional data broadcasting, and a data broadcasting server for storing / managing broadcast data authored by the data broadcasting authoring device 111 ( 112), A / V encoder 113 for encoding A / V content, broadcasting data managed by the data broadcasting server 112 and multiplexing A / V content encoded by the A / V encoder 113 An ensemble multiplexer 114 and a Coded Orthogonal Frequency Division Multiplex (COFDM) encoder 115 for encoding the DMB multiplexed by the ensemble multiplexer 114.

2 is a block diagram of a DM terminal having a bidirectional data broadcasting service providing function using the portable Internet according to the present invention.

As shown in FIG. 2, the DMB terminal having a bidirectional data broadcasting service providing function using the portable Internet according to the present invention includes A / V (Audio / Video) content and broadcast data received from a terrestrial DMB center 11. Pre-processing unit 21 for pre-processing, the screen is configured using the pre-processed A / V content and broadcast data, and the corresponding request signal according to the interworking data request from the user interlocking data processing unit ( 24, the screen configuration unit 22 for configuring the screen in consideration of the correlation between the interworking data from the interlocking data processing unit 24 and the corresponding broadcast data, the screen configured in the screen configuration unit 22 Display unit 23 for display so that the user can confirm, the request signal from the screen configuration unit 22 to the portable Internet interlocking unit 25 and the portable Internet interworking The interlocking data processing unit 24 for arranging the interlocking data stream received from (25), and converts the request signal from the interlocking data processing unit 24 into an analog request signal to the return channel server 14 via the portable Internet. And a portable internet interworking unit 25 for transmitting and transmitting the interworking data from the return channel server 14 to the interworking data processing unit 24 through the portable internet.

Here, the preprocessor 21 receives a terrestrial DMB including A / V content and broadcast data from the terrestrial DMB center 11 through a transmitter 12, tunes a desired broadcast channel, and converts the broadcast channel into a digital stream. The DMB receiver 211 and the digital stream converted by the DMB receiver 211 classify A / V content and broadcast data, and deliver the A / V content to the A / V processing unit 213. The broadcast data is broadcast data. The demultiplexer 212 for transmitting to the processor 214 and the buffer in which the A / V content is stored, and delivering the synchronized video stream and the audio stream to the video decoder 215 and the audio decoder 216, respectively. A / V processing unit 213, a broadcast data processing unit 214 for arranging broadcast data streams, a video decoder 215 for decoding the video stream received from the A / V processing unit 213, and the A / V From the processing unit 213 An audio decoder 216 for decoding the received audio stream, and a broadcast data decoder 217 for decoding the broadcast data stream arranged by the broadcast data processing unit 214.

Meanwhile, the DMB terminal having a function of providing a bidirectional data broadcasting service using the portable Internet according to the present invention can receive satellite DMB as well as terrestrial DMB.

3 is a diagram illustrating a platform stack structure of a DM terminal having a bidirectional data broadcasting service providing function using the portable Internet according to the present invention.

As shown in FIG. 3, the platform of a DM terminal having a function of providing a bidirectional data broadcasting service using the portable Internet according to the present invention is configured based on an integrated operating system (OS) 31. do.

The integrated OS 31 controls the A / V content and the broadcast data to secure the flow of data, and includes a basic IP (Internet Protocol) processor 41 for interworking data. In other words, the integrated OS 31 controls both the A / V content and broadcasting data of the DMB network and the interworking data of the portable Internet.

On the other hand, the data browser in the integrated browser 32 represents both broadcast data through the terrestrial DMB network and interlocked data through the portable Internet. That is, the broadcast data is first expressed through the integrated browser 32, and if the user wants to see more detailed information through the broadcast data, the user requests detailed information (associated data) of the related item, and the linked data is transmitted through the portable Internet. It is presented again through the integrated browser 32 to the user.

The stack structure and data flow of the receiving platform can be applied to the interworking terminals of the satellite DMB and the portable Internet.

4 is a flowchart illustrating a method of providing a bidirectional data broadcasting service using a portable Internet in a DM terminal according to the present invention.

First, the A / V (Audio / Video) content and the broadcast data received through the DMB broadcast from the terrestrial DMB center 11 are output (reproduced) (401).

Thereafter, in response to receiving the request for the interlocking data corresponding to the broadcast data, the interlocking data is acquired through the wireless communication network (402). At this time, the portable Internet is preferable as the wireless communication network.

Thereafter, the screen is configured in consideration of the correlation between the acquired interworking data and the corresponding broadcast data (403).

Thereafter, the configured screen is displayed for the user to check (404).

Through this process, bidirectional data broadcasting service is possible using a wireless communication network without being dependent on the bandwidth of the DMB channel.

As described above, the method of the present invention may be implemented as a program and stored in a recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto-optical disk, etc.) in a computer-readable form. Since this process can be easily carried out by those skilled in the art will not be described in more detail.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited by the drawings.

As described above, the present invention obtains A / V (Audio / Video) content and broadcast data through digital multimedia broadcasting (DMB) and provides the same to the user, and provides detailed data (linking) from the user to the broadcast data. As a result of requesting the data, the interworking data is acquired and provided from a return channel server through a wireless communication network, thereby providing an interactive data broadcasting service regardless of the bandwidth of the DMB channel.

Claims (4)

In a DM terminal, Preprocessing means for preprocessing A / V (Audio / Video) content and broadcast data received from the outside; A screen is constructed using the A / V content and broadcast data preprocessed by the preprocessing means, and the request signal is transmitted to the interlocking data processing means according to the interlocking data request from the user, and the interlocking data from the interlocking data processing means. Screen configuration means for configuring a screen in consideration of the correlation between the broadcast data and the corresponding broadcast data; Display means for displaying the screen configured by the screen configuration means for the user to check; The interlocking data processing means for transferring the request signal from the screen configuration means to a wireless communication network interworking means and arranging the interworking data streams received from the wireless communication network interworking means; And Converts the request signal from the interworking data processing means into an analog request signal and transmits it to an external return channel server through a wireless communication network, and transmits the interlocking data from the return channel server through the wireless communication network to the interworking data processing means. The wireless communication network interlocking means for DMB terminal having a bidirectional data broadcasting service providing function using a wireless communication network comprising a. The method of claim 1, The wireless communication network, DMB terminal having a bidirectional data broadcasting service providing function using a wireless communication network characterized in that the portable Internet. In a DM system, A DM center for providing A / V (Audio / Video) content and broadcast data to the DM terminal through the DM network; And A return channel server for providing corresponding interworking data through a wireless communication network in response to a request for interworking data corresponding to broadcast data from the DMB terminal. Interactive data broadcasting service providing system using a wireless communication network comprising a. In the method of providing a bidirectional data broadcasting service using a wireless communication network, Playing A / V (Audio / Video) content and broadcast data received through the DMMB network; Acquiring corresponding interworking data through the wireless communication network when receiving interworking data corresponding to the broadcast data; Constructing a screen in consideration of correlation between the acquired interworking data and corresponding broadcast data; And Displaying the configured screen for the user to check. Interactive data broadcasting service providing method using a wireless communication network comprising a.

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