KR100679981B1 - Portable terminal unit for providing various portable broadcasting service and method thereof - Google Patents

Abstract

A portable terminal for providing various portable mobile broadcasting services and a method applied with the same are provided to realize the broadcasting service of a mobile communication and portable broadcasting by using a single terminal regardless of kinds of portable mobile broadcasting standards and simplify a structure of the terminal by enabling each portable broadcasting to commonly use a media processor, thereby reducing manufacturing cost. A portable terminal comprises the followings: plural access layers(100) which are connected to various portable broadcasting networks, and receive portable broadcasting data, compressed in each portable broadcasting standard, before transmitting the data; a media processor(200) which receives the portable broadcasting data of each portable broadcasting network standard from the plural access layers(100) and processes the data from an IP(Internet Protocol) signal suitable for an IP network to a media signal suitable to apply a preset common audio/video codec; and a media codec(300) for applying the common audio/video codec to the media signal converted by the media processor(200) and reproducing the media signal applied with the codec.

Description

PORTABLE TERMINAL UNIT FOR PROVIDING VARIOUS PORTABLE BROADCASTING SERVICE AND METHOD THEREOF}

1 is a block diagram of a portable terminal implementing a multi-portable mobile broadcast service according to an embodiment of the present invention.

2 is a block diagram of a media processing unit in a mobile terminal for implementing various types of mobile mobile broadcasting services according to an exemplary embodiment of the present invention.

3 is a block diagram of a portable broadcast data processing unit in a mobile terminal for implementing various types of mobile mobile broadcast services according to an exemplary embodiment of the present invention.

FIG. 4 is a block diagram of a mobile communication data broadcasting unit including MBMS, BCMCS, and Wibro mobile broadcasting service in a mobile terminal implementing various types of mobile mobile broadcasting services according to an exemplary embodiment of the present invention.

5 is a flowchart illustrating a method of implementing multiple mobile mobile broadcast services according to an embodiment of the present invention.

The present invention relates to a mobile terminal for implementing various mobile mobile broadcast services and a method using the same, and more particularly, to provide a mobile mobile broadcast service received from multiple mobile broadcasting networks in a single terminal.

Recently, various multimedia services have been developed in the field of mobile communication. In particular, in the broadcasting field, a portable broadcasting service that targets a portable terminal such as DMB (Digital Multimedia Broadcasting) or DVB-H (Digital Video Broadcasting-Handheld) has been started. In addition, 3GPP's Multimedia Broadcasting Multicasting Service (MBMS) and 3GPP2's Broad-Casting Multi-Casting Service (BCMCS) broadcasting services will be provided soon.

Next-generation mobile communication networks will evolve into IP-based networks that integrate wired and wireless, and mobile broadcasting networks will also evolve into IP-based networks.

WiBro, which is developing as a mobile Internet system, is also predicting that mobile mobile broadcasting service is a key core service. Since WiBro is an Internet system, it is also an IP network based system.

However, in the conventional portable terminal, since the media processing capability is specified, media processing capability is required for each service in order to implement various portable mobile broadcasting services.

In addition, the next generation converged terminal will need a media processing capability suitable for IP network base.

Meanwhile, Korean Patent Application No. 2002-0001651 (filed Jan. 11, 2002) discloses a multimedia terminal using a general-purpose digital signal processor chip and a multimedia data encoding and decoding method using the same. There is provided a multimedia terminal and method that can freely select various devices because each module interface in the terminal is not fixed using a digital signal processor.

In addition, the Korean Patent Application No. 2004-70011988 (filed on October 13, 2004) discloses a 'multimedia engine' as a conventional technology, which facilitates the creation of a multimedia application and reflects the diverse needs of multiple users. Provides a system to implement.

However, there is still a need for a separate terminal having a media processing capability for each service in order to implement mobile communication and portable broadcasting services.

Accordingly, the present invention has been made in view of the above-mentioned problems, and thus, a single terminal is produced by processing portable broadcast data received from various portable broadcasting networks of different standards as media signals suitable for applying a common audio / video codec. The present invention provides a portable terminal capable of complex implementation of various mobile mobile broadcasting services and a method using the same.

According to a feature of the present invention for achieving the above object, the portable terminal comprises a plurality of connection layer unit connected to a variety of portable broadcasting network to receive and transmit the portable broadcast data compressed in each portable broadcasting network standard; A media processing unit for receiving portable broadcast data of each portable broadcasting network standard from the plurality of access layer units and processing them into media signals suitable for applying a predetermined common audio / video codec from an IP signal suitable for an IP (Internet Protocol) network. ; And a media codec unit for reproducing the media signal converted by the media processor by applying the common audio / video codec.

According to another aspect of the present invention, there is provided a method for implementing a multi-portable mobile broadcast service, comprising the steps of: (a) receiving portable broadcast data compressed to the respective mobile broadcast network standards from a multi-portable mobile broadcast network; (b) processing one piece of portable broadcast data received in step (a) into a media signal suitable for applying a preset common audio / video codec; And (c) reproducing the portable broadcast data processed by the media signal by applying the video / audio codec.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification. In addition, when a part is said to "include" a certain component, this means that it may further include other components, except to exclude other components unless otherwise stated. In addition, the term module described herein refers to a unit for processing a specific function or operation, which may be implemented in hardware or software, or a combination of hardware and software.

Now, a mobile terminal implementing various mobile mobile broadcast services and a method using the same will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a portable terminal implementing a multi-portable mobile broadcast service according to an embodiment of the present invention.

Referring to FIG. 1, a portable terminal implementing a multi-portable mobile broadcast service includes a plurality of connection layer units 100, a media processing unit 200, and a media codec unit 300.

The plurality of connection layer units 100 are connected to various types of portable broadcasting networks to receive portable broadcast data from each portable broadcasting network. At this time, the portable broadcasting network includes a mobile mobile broadcast and a mobile communication mobile broadcast.
Here, the plurality of connection layer units 100 may include a DMB connection layer unit 110, a DVB-H connection layer unit 120, an MBMS connection layer unit 130, a BCMCS connection layer unit 140, and a Wibro connection layer unit ( 150).

The media processor 200 controls the overall operation of the various portable mobile broadcast service implementations of the portable terminal. That is, the mobile broadcasting data received from each of the portable broadcasting networks from the plurality of access layer units 100 is received and processed as a media signal suitable for applying a common audio / video codec preset in the IP signal. In this case, the portable broadcast data is one portable broadcast data received according to the user's selection, and the user's selection is according to the operation of the conventional portable terminal.

The media codec unit 300 receives the portable broadcast data processed as a media signal from the media processing unit 200 and reproduces the video / audio codec by applying it. Here, the video / audio codec may be composed of an H.264 / AVC video codec and an MPEG-AAC series audio codec. At this time, H.264 / AVC video codec and MPEG-AAC series audio codec are adopted as essential codec in DMB, DVB-H, MBMS, BCMCS and Wibro mobile broadcasting service.

2 is a block diagram of a media processing unit in a mobile terminal for implementing various types of mobile mobile broadcasting services according to an exemplary embodiment of the present invention.

Referring to FIG. 2, the media processing unit 200 includes a portable broadcasting data processing unit 210, an MBMS data processing unit 220, a BCMCS data processing unit 230, a Wibro portable broadcasting data processing unit 240, and an IP processing unit 250. .

Here, the portable broadcast data processor 210 includes a portable broadcast adaptation module 212 and an MPEG-TS processor 214. The portable broadcast adaptation module 212 is a functional module for processing the compressed portable broadcast data for use by the IP processor 250 under the standard specifications of DMB and DVB-H. In this case, the portable broadcasting adaptation module 212 is a functional module manufactured to accommodate both the DMB service and the DVB-H service. The MPEG-TS processing unit 214 is a functional block for processing the MPEG-TS standard, which is a standard standard used by the DVB-H service and the DMB service.

The MBMS data processor 220 includes an MBMS adaptation module 222 and an MBMS stack 224. The MBMS adaptation module 222 is a functional module that processes the compressed broadcast data so that the IP processing unit 250 can use the MBMS standard. MBMS stack 224 is also a functional block that conforms to the MBMS standard.

The BCMCS data processor 230 includes a BCMCS adaptation module 232 and a BCMCS stack 234. The BCMCS adaptation module 232 is a functional module that processes the compressed broadcast data so that the IP processing unit 250 can use the BCMCS standard. In addition, the BCMCS stack 234 is a functional block that conforms to the BCMCS standard.

The Wibro mobile broadcast data processing unit 240 includes a Wibro mobile broadcast adaptation module 242 and a Wibro mobile broadcast stack 244. The Wibro portable broadcast adaptation module 242 is a functional module that processes the compressed portable broadcast data for use by the IP processing unit 250 under the Wibro mobile broadcasting standard. Wibro mobile broadcast stack 224 is a functional block that conforms to the Wibro mobile broadcast standard.

The IP processor 250 receives the portable broadcast data processed as IP signals from the portable broadcast data processor 210, the MBMS data processor 220, the BCMCS data processor 230, and the Wibro portable data processor 240, respectively. The data is converted into data and transmitted to the media codec unit.

3 is a diagram illustrating a configuration of implementing a mobile broadcast service including DMB or DVB-H in a mobile terminal implementing a multi-portable mobile broadcast service according to an embodiment of the present invention.

According to FIG. 3, the portable terminal includes a DMB access layer 110, a DVB-H connection layer 120, a portable broadcast adaptation module 212, an MPEG-TS processor 214, an IP processor 250, and a media codec. The unit 300 is included. Here, the DMB access layer 110 is composed of a DAB access module 112 and a DMB access module 114. The DVB-H access layer 120 is composed of a DVB-T access module 122 and a DVB-H access module 124.

Therefore, when implementing the DMB portable broadcast service, the DMB access module 114 receives the portable broadcast data through the DAB access module 112 which is in charge of processing the physical layer data. The DMB access module 114 processes portable broadcast data for DMB service. The portable broadcast data is output to the portable broadcast adaptation module 212. The MPES-TS processor 214 processes the portable broadcast data received through the portable broadcast adaptation module 212 and outputs the processed broadcast data to the IP processor 250.

On the other hand, when implementing the DVB-H portable broadcast service, the DVB-H access module 124 receives the portable broadcast data through the DVB-T access module 122 in charge of processing the physical layer data. The DVB-H access module 124 processes the portable broadcast data for the DVB-H service. The portable broadcast data is output to the portable broadcast adaptation module 212. The MPES-TS processor 214 processes the portable broadcast data received through the portable broadcast adaptation module 212 and outputs the processed broadcast data to the IP processor 250.

The portable broadcast data output to the IP processor 250 is reproduced by applying the video / audio codec by the media codec 300.

FIG. 4 is a block diagram of a mobile communication data processing unit including MBMS, BCMCS and Wibro mobile broadcasting services in a mobile terminal implementing a multi-portable mobile broadcasting service according to an exemplary embodiment of the present invention.

According to FIG. 4, the portable terminal includes the MBMS connection layer unit 130, the BCMCS connection layer unit 140, and the Wibro connection layer unit 150, the MBMS adaptation module 222, the MBMS stack 224, and the BCMCS adaptation module 232. ), The BCMCS stack 234, the Wibro mobile broadcast adaptation module 242, the Wibro mobile broadcast stack 244, the IP processing unit 250, and the media codec unit 300.

The MBMS access layer unit 130 is composed of a WCDMA access module 132 and an MBMS access module 134. The BCMCS access layer unit 140 is composed of a CDMA2000 access module 142 and a BCMCS access module 144. The Wibro connection layer unit 150 is composed of a Wibro modem access module 152 and a Wibro portable broadcast access module 154.

Therefore, when implementing an MBMS service, which is a broadcast service of mobile communication, the MBMS access module 134 receives portable broadcast data through the WCDMA access module 132 that is responsible for processing physical layer data. The mobile broadcast data is then processed to suit the MBMS service. And output to the MBMS stack 224. The portable broadcast data processed by the MBMS stack 224 and the MBMS adaptation module 222 is output to the IP processor 250.

In addition, when implementing a BCMCS service, which is another broadcast service of mobile communication, the BCMCS access module 144 receives portable broadcast data through the CDMA2000 access module 142 which is in charge of processing physical layer data. The portable broadcast data is processed according to the BCMCS service. The output is then output to the BCMCS stack 234. The portable broadcast data processed by the BCMCS stack 234 and the BCMCS adaptation module 232 is output to the IP processing unit 250.

Meanwhile, when implementing a portable broadcast service of Wibro, which is a portable Internet, the Wibro portable broadcast access module 154 receives the portable broadcast data through the Wibro modem access module 152 that handles the physical layer data. The mobile broadcast data is processed for the Wibro mobile broadcast service. And outputs to the Wibro mobile stack 244. The portable broadcast data processed by the Wibro portable broadcast stack 244 and the Wibro portable broadcasting adaptation module 242 are output to the IP processing unit 250.

Each of the portable broadcast data output to the IP processing unit 250 is transferred to the media codec unit 300. Then, the media codec unit 300 reproduces the portable broadcast data by applying a video / audio codec.

5 is a flowchart illustrating a method of implementing multiple mobile mobile broadcast services according to an embodiment of the present invention.

5 is a flowchart illustrating a series of procedures for implementing a multi-portable mobile broadcast service in a single terminal by the configuration of the portable terminal described with reference to FIGS. 1 to 4.

That is, first, a plurality of connection layer units (100 in FIG. 1) receive portable broadcast data compressed in respective portable broadcast network standards from various portable broadcast networks (S101).

Then, the plurality of connection layer units 100 transmits the received one piece of portable broadcasting network data to the media processing unit (200 of FIGS. 1, 2, 3, and 4) (S103). In this case, the portable broadcast data is one portable broadcast data received according to the user's selection, and the user's selection is according to the operation of the conventional portable terminal.

Then, the media processing unit 200 processes the portable broadcasting network data received in step S103 in accordance with each portable broadcasting network standard (S105). At this time, a more specific processing method according to the specification of the portable broadcast data received in step S101 is as follows. That is, when the standard of the portable broadcast data includes either DMB or DVB-T, the portable broadcast adaptation process is first performed, and then the MPEG-TS (MPEG-Transport Stream) process is performed. In addition, when the standard of the mobile broadcast data received in step S101 includes any one selected from the mobile communication network standard including MBMS, BCMCS and Wibro mobile broadcast service, the mobile broadcast process is referred to with reference to the mobile broadcast stack. Perform.

In operation S 107, an IP signal, which is portable broadcasting network data suitable for the IP network, is processed into a media signal suitable for applying a preset common audio / video codec. In operation S107, the portable broadcasting network data processed by the media signal is transferred to the media codec unit 300 (FIGS. 1, 3, and 4) (S109).

Then, the media codec unit 300 reproduces the portable broadcasting network data processed as the media signal by applying a predetermined video / audio codec (S111).

Of course, the various portable broadcasting networks include DMB, DVB-H, MBMS, BCMCS and Wibro portable broadcasting networks. In addition, the video / audio codec includes an H.264 / AVC video codec and an MPEG-AAC series audio codec that are used as essential codecs in the various portable broadcasting networks.

The embodiments of the present invention described above are not implemented only through the apparatus and the method, but may be implemented through a program for realizing a function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded. Implementation may be easily implemented by those skilled in the art from the description of the above-described embodiments.

The scope of the present invention is not limited to the above-described embodiments, but various modifications and improvements of those skilled in the art using the basic concept of the present invention as defined in the following claims are also within the scope of the present invention.

By the above-described configuration, a broadcast service for mobile communication and mobile broadcasting can be implemented in a single terminal regardless of the type of portable mobile broadcasting standard. In addition, by using the media processing unit for each mobile broadcast in common, the structure of the terminal can be simplified, and thus the production cost can be reduced.

In addition, the media codec unit is composed of only the H.264 / AVC video codec and the MPEG-AAC series audio codec commonly used in mobile communication and mobile broadcasting service. It can be done easily.

Claims (7)

A plurality of connection layer units connected to various types of portable broadcasting networks to receive and transmit portable broadcasting data compressed to respective portable broadcasting network standards; A media processing unit for receiving portable broadcast data of each portable broadcasting network standard from the plurality of access layer units and processing them into media signals suitable for applying a predetermined common audio / video codec from an IP signal suitable for an IP (Internet Protocol) network. ; And A media codec unit for reproducing the media signal converted by the media processor by applying the common audio / video codec A mobile terminal comprising a. The method of claim 1, wherein the plurality of connection layer unit Digital Multimedia Broadcasting (DMB) access layer, Digital Video Broadcasting-Handheld (DVB-H) access layer, Multimedia Broadcasting Multicasting Service (MBMS) access layer, Broad-Casting Multi-Casting Service (BCMCS) access layer, and Wibro (Wireless Broadband) A mobile terminal comprising at least two of the mobile broadcast access layer units. The method of claim 2, wherein the media processing unit A portable broadcast data processor including a portable broadcast adaptation module and an MPEG-TS processor for processing portable broadcast data compressed to a standard of DMB or DVB-H as the IP signal; An MBMS data processor including an MBMS adaptation module and an MBMS stack for processing the portable broadcast data compressed to a standard of MBMS into the IP signal;  A BCMCS data processor including a BCMCS adaptation module and a BCMCS stack for processing portable broadcast data compressed to a standard of BCMCS as the IP signal; And At least two of the Wibro mobile broadcast data processing unit including a Wibro mobile broadcast adaptation module and a Wibro stack for processing the mobile broadcast data compressed to the Wibro mobile broadcast standard as the IP signal, IP processing unit for receiving the IP signal-processed portable broadcast data from each of the portable broadcast data processing unit and delivers it to the media codec unit A mobile terminal comprising a. The media codec unit according to claim 1, wherein the media codec unit is used. A mobile terminal comprising an H.264 / AVC video codec and an MPEG-AAC series audio codec. (a) receiving portable broadcast data compressed to the respective portable broadcasting network standards from various portable broadcasting networks; (b) processing one piece of portable broadcast data received in step (a) into a media signal suitable for applying a preset common audio / video codec; And (c) reproducing the portable broadcast data processed into the media signal by applying the video / audio codec; A method of implementing a multi-type mobile mobile broadcast service comprising a. The method of claim 5, wherein step (b) (Iii) performing a portable broadcast adaptation process when the standard of one portable broadcast data received in step (a) includes any one selected from DMB and DVB-T; (Ii) performing MPEG-TS (MPEG-Transport Stream) processing of the portable broadcast data which has performed step (iii); And (Iii) processing the portable broadcast data performing step (ii) into a media signal suitable for applying a preset common audio / video codec; A method of implementing a multi-type mobile mobile broadcast service comprising a. The method of claim 5, wherein step (b) (Iii) when the specification of one portable broadcast data received in step (a) includes any one selected from the mobile communication network specifications including MBMS, BCMCS, and Wibro, the portable broadcast process is referred to with reference to the portable broadcast stack. Performing; (Ii) processing the portable broadcast data performing step (iii) into a media signal suitable for applying a preset common audio / video codec; A method of implementing a multi-type mobile mobile broadcast service comprising a.

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