KR20020069145A - Realtime/on-demand wireless multicasting system using mobile terminal and method thereof - Google Patents

Abstract

PURPOSE: A real-time/on demand wireless broadcasting system using a mobile communication terminal and a method therefor are provided to multicast multimedia data to the mobile communication terminal by classifying generated multimedia data into real-time data and data on demand and transmitting the stream of the classified real-time data and data on demand to a mobile communication company through a distribution-processed transport server. CONSTITUTION: A broadcasting request receiving unit(240) receives broadcasting selection information for requesting the provision of a real-time broadcasting or a broadcasting on demand from a mobile communication terminal user through a mobile communication company connected to a network(300). A broadcasting data generating unit(210) has a multimedia data generating unit(212) for receiving contents from an AV device, an application software, or a contents provider connected to the network(300) and generating wireless broadcasting data. A broadcasting data management unit(220) classifies the generated wireless broadcasting data into a real-time broadcasting object and a broadcasting object on demand to store the real-time broadcasting object and the broadcasting object on demand, and records broadcasting procedure information and broadcasting transmission information according to the multicasting of the broadcasting object. The broadcasting data management unit(220) retrieves the classified wireless broadcasting data according to broadcasting selection information, and provides the retrieved wireless broadcasting data. A data transmitting unit(230) has a streaming service unit(234) for receiving the multimedia wireless broadcasting data from the broadcasting data management unit(220), and transmitting the received multimedia wireless broadcasting data together with user information to the mobile communication company to multicast the multimedia wireless broadcasting data to a corresponding mobile communication terminal.

Description

Real-time / on-demand wireless multicasting system using mobile terminal and method

The present invention relates to a wireless broadcasting system and a method using a mobile communication terminal, and more particularly, to obtain and produce a variety of content to convert to streamable multimedia data, and classify it into a real-time broadcast and on-demand broadcast distributed processing The present invention relates to a real-time / on-demand wireless broadcasting system and a method for multicasting or unicasting (hereinafter, collectively referred to as multicasting) to a mobile communication terminal by transmitting a stream to a mobile communication provider through a server.

Recently, personal information such as PDA (Personal Digital Assistant), HPC (Hand Personal Computer), Web pad, notebook, smartphone, WAP (Wireless Application Protocol) phone, Palm PC, e-Book terminal, HHT (Hand Held Terminal) Mobile data communication services using terminals are widely used.

Such mobile data communication services include wireless internet service, mobile computing service, wireless data communication service, wireless internet access service, satellite communication service, and the like, and various mobile solutions (mobile device operating systems) for these mobile data communication services. And application for OS, development tool, mobile browser, moving picture solution, voice / speaker authentication solution, location-based solution, etc., mobile content (mobile portal, download service (character, music, initial screen, etc.), chat, life information (News, stock prices, entertainment, weather, etc.), guide services, geolocation services, Java games, mobile betting, etc., M commerce (banking, securities trading, reservation services, mobile shopping, mobile auctions, mobile advertising, billing, alternative payment) , Business consulting, certification and security, etc., network (optical transmission equipment and repeater, mobile network) Management and Surveillance System, Mobile Network Application, Wireless LAN, Home RF, Infrared Data Association (IrDA), Bluetooth, Mobile Modem, etc. and Peripherals (Mobile Keyboard, Printer, Digital Camera, MP3 Player, Portable I / O Device, External Device Connection Device) Communication environment is provided.

Among the mobile data communication services using personal information terminals, the most widely received field due to business diversification, marketability, and technological progress is the wireless broadcasting service field that provides various contents as personal information terminals. Wireless broadcasting service is provided mainly by providers and mobile communication providers.

However, the currently provided wireless broadcasting service is only a level of downloading fixed content to a personal information terminal depending on a text-oriented format, which does not satisfy the needs of service users. In other words, in providing information to service users, the type of information, the type of medium (eg, voice, video, text, etc.), the time zone for providing information, and the broadcasting type (eg, real time or on-demand) according to the characteristics of the information, etc. By not giving them a variety of options, service providers are overlooking the essential part of providing information.

In particular, the contents provided by CP do not cover various fields, and provide distracting information mainly focused on teenagers, so that integrated and systematic multimedia information applicable to the next generation technology such as IMT2000 will be covered. It has been neglected to develop a content development system and a content providing system.

In terms of communication media for wireless broadcasting, in the case of a telephone network access service, the communication channel is not suitable for the transmission of multimedia data, and in the case of the satellite broadcasting service, the burden is imposed on the service user due to an expensive satellite fee and a relay fee. There is a growing problem.

In addition, due to the characteristics of the network environment and hardware, the wireless Internet service using the mobile communication terminal is difficult to use various technologies in the application of advertisement techniques and information delivery unlike the wired Internet.

Therefore, there is a need for a low-cost, high-efficiency network-to-network connection and transmission technology that enables the acquisition, stream transmission, and multicasting of multimedia data by minimizing the load on the network by linking existing Internet networks, mobile communication networks, and wireless Internet networks. There is a demand for the development of a wireless broadcasting system for real time stream transmission and multicasting with high quality voice and video by setting or ordering various contents such as news, sports broadcasting, music broadcasting, drama, and educational broadcasting. In addition, due to the development of mobile communication terminal manufacturing technology, wireless channel utilization technology, and improvement of wireless communication protocol, the wireless Internet for analyzing / processing multimedia data in view of the reality that multimedia information including video can be provided on mobile communication terminal. Development of information transmission technology is required.

The present invention has been devised to meet the above-mentioned demands. The present invention generates various contents obtained through wired / wireless networks as streamable multimedia data of voice, video, and text, and generates the generated multimedia data in real time and on demand. The data is classified into data and streamed to a mobile communication service provider through a distributed transmission server to be multicasted to a mobile communication terminal. The video analysis method creates a video object for content insertion and moves the video object into a content. It is an object of the present invention to provide a real-time / custom type wireless broadcasting system and method using a mobile communication terminal that provides an object call function so that a communication terminal user can control a video object or access an information service server through the video object.

1 is a block diagram schematically illustrating a form in which a real-time / custom type wireless broadcasting system using a mobile communication terminal according to the present invention is connected to an external system through a network.

2 is a block diagram schematically showing the internal configuration of a real-time / on-demand wireless broadcasting system using a mobile communication terminal according to the present invention.

3 is a block diagram schematically showing an internal configuration when the streaming service means of a real-time / custom type wireless broadcasting system using a mobile communication terminal according to the present invention is distributed.

FIG. 4 is a block diagram schematically illustrating components provided by the multimedia data generating means according to the present invention to provide a video object synthesis function.

FIG. 5 illustrates an example screen when a content obtained by synthesizing an image object according to the present invention is displayed on a mobile communication terminal.

6 exemplarily shows data and information managed in a database of the broadcast data management unit according to the present invention.

7A is a flowchart illustrating a process of generating multimedia data in a method for providing real-time / custom wireless broadcasting using a mobile communication terminal according to the present invention.

7B is a flowchart illustrating a process of synthesizing an image object with content in a method for providing real-time / custom wireless broadcasting using a mobile communication terminal according to the present invention.

7C is a flowchart illustrating a process of classifying and streaming multimedia data into real-time broadcasts and on-demand broadcasts in the real-time / custom wireless broadcast providing method using a mobile communication terminal according to the present invention.

7D is a flowchart illustrating a process of providing corresponding information when a user of a mobile communication terminal accesses a broadcast request receiver through a video object in a method for providing real-time / custom wireless broadcasting using a mobile communication terminal according to the present invention.

<Explanation of symbols for main parts of drawing>

100: content provider

200: real-time / custom wireless broadcasting system using a mobile communication terminal

210: broadcast data generating unit 212: multimedia data generating means

214: WIP data generating means 216: text data generating means

220: broadcasting data management unit 222: data storage means

224: data retrieval means 226: information recording means

228: database 230: data transmission unit

232: WIP service means 234: streaming service means

236: data service means 240: broadcast request receiver

300: network

In order to achieve the above object, a real-time / on-demand wireless broadcasting system using a mobile communication terminal according to the present invention includes a mobile communication provider connected to the network to the broadcast selection information that includes user information and requests for the provision of real-time broadcasting or on-demand broadcasting. Broadcast request receiving unit received from the user of the mobile communication terminal through; Multimedia data generating means for generating multimedia wireless broadcasting data by receiving content from an AV device, application software or a network-connected content provider, WIP data generating means for generating WIP wireless broadcasting data, and text data generation for generating text wireless broadcasting data. A broadcast data generating unit having means; A database is provided, which classifies and stores the generated wireless broadcast data into real-time broadcasts and on-demand broadcasts, records broadcast selection information, broadcast progress information and broadcast transmission information according to multicasting of broadcasts, and according to broadcast selection information. A broadcast data management unit for searching and providing classified wireless broadcast data; And streaming service means for receiving the multimedia wireless broadcasting data from the broadcasting data management unit and transmitting it to the mobile communication service provider with the corresponding user information. The streaming service means for multicasting to the mobile communication terminal, and retrieves the WIP wireless broadcasting data and the mobile communication with the corresponding user information. And a data transmission unit including a WIP service means for transmitting to the service provider and a data service means for retrieving text wireless broadcast data and transmitting the same to the mobile communication service provider.

In order to achieve the above another object, the real-time / on-demand wireless broadcast providing method using a mobile communication terminal according to the present invention (a) by receiving a broadcast content, AV device content, digital broadcast content, Internet content and text content wireless broadcasting Generating data; (b) classifying the generated wireless broadcast data into a real-time broadcast and an on-demand broadcast, and storing the on-demand broadcast in a database; (c) receiving broadcast selection information from a mobile communication terminal user, multicasting the classified wireless broadcast data to a mobile communication provider if the classified broadcast data is a real-time broadcast, and corresponding to the broadcast selection information if the wireless broadcast data is an on-demand broadcast. Retrieving wireless broadcast data from a database and multicasting the data to a mobile communication provider; And (d) storing and managing broadcast data including a user information, broadcast progress information, and broadcast transmission information in a database.

In addition, the real-time / on-demand wireless broadcast providing method using a mobile communication terminal according to the present invention (a1) if the content is analog content to convert to a digital file for editing, if the content is encoded into multimedia wireless broadcast data to decode Converting to an editable digital file; (a2) analyzing the content converted into a digital file on an image object basis through an image analysis technique and extracting the image object; (a3) generating an inserting video object including an advertisement, another video object that can replace the video object, and a video effect applicable to the video object in a text, multi-dimensional image, and audio data format; (a4) The generated video object for insertion is calculated with the video object constituting the content, and when the content is transmitted to the mobile communication terminal, the video object of the content can be selected through an interface program and a keypad on the mobile communication terminal. The video object so that it can be moved on the displayed content screen, connected to a wired / wireless internet service server or a broadcast request receiver, or approved for payment of information use from the mobile terminal user through the mobile terminal payment method. Synthesizing image objects by adding a function; And (a5) encoding the synthesized content into multimedia wireless broadcast data.

Hereinafter, with reference to the accompanying drawings will be described in detail the real-time / on-demand wireless broadcasting system using a mobile communication terminal according to the present invention.

1 is a block diagram schematically illustrating a form in which a real-time / custom type wireless broadcasting system using a mobile communication terminal according to the present invention is connected to an external system through a network.

1, a real-time / on-demand wireless broadcasting system (hereinafter referred to as "wireless broadcasting system") 200 using a mobile communication terminal according to the present invention is connected to the content provider 100, the mobile communication terminal ( 500 is connected to a mobile communication service provider 400 that manages a wireless network through a network 300.

The wireless broadcasting system 200 may be connected to a plurality of content providers 100 through a wired network 300 including a dedicated line, the Internet, and the like, and a wireless network 300 including a wireless Internet and a mobile communication network. The content provider 100 may be a local correspondent having a broadcaster, a record carrier, a conventional broadcast content producer such as a studio, and a terminal having a data communication function (for example, a laptop, a PDA, a mobile phone, etc.).

The wireless broadcasting system 200 is connected to the mobile communication service provider 400 through a network 300 including wired / wireless internet and a dedicated line, and it is preferable to use the existing internet to reduce hardware installation costs. The wireless broadcasting system 200 is provided with a plurality of transmission servers that allocate and distribute processing channels so that multimedia data can be streamed without transmission errors by identifying the number of wireless channels allocated to each mobile communication terminal 500.

Accordingly, the mobile communication service provider 400 may have a unique data transmission protocol with the wireless broadcasting system 200 to multicast the streamed multimedia data to the mobile communication terminal 500 through each wireless channel. That is, the mobile communication service provider 400 receives the wireless data from the wireless broadcasting system 200 and transmits the multimedia data and the control information about the data transmission without additional hardware. Can provide.

The mobile communication terminal 500 is provided with an interface program to control wireless broadcast data through a keypad, and one according to the format of the wireless broadcast data (* .MP4, * .wmv, * .asf, * .rm, etc.). The above-described player and wireless Internet protocols such as Wireless Application Protocol (WAP), Mobile Explore (ME), and Binary Runtime Environment for Wireless (BREW) (hereinafter, such wireless Internet protocols are referred to as "WIP (Wireless Internet Protocol)"). A terminal with a platform based on it.

2 is a block diagram schematically showing the internal configuration of a real-time / on-demand wireless broadcasting system 200 using a mobile communication terminal according to the present invention.

According to Figure 2, the real-time / on-demand wireless broadcasting system 200 using a mobile communication terminal according to the present invention is a broadcast data generation unit 210, broadcast data management unit 220, data transmission unit 230 and broadcast request receiver ( 240, the broadcast data generating unit 210 includes a multimedia data generating means 212, WIP data generating means 214 and the text data generating means 216, the broadcast data management unit 220 And a data storage means 222, a data retrieval means 224, an information recording means 226, and a database 228. In addition, the data transmission unit 230 includes a WIP service means 232, a streaming service means 234 and a data service means 236.

The broadcast request receiving unit 240 receives broadcast selection information from the mobile communication terminal user through the mobile communication provider 400 connected through the network 300. The broadcast selection information includes the user information and the wireless broadcasting system 200 receives the information. The mobile communication terminal 500 to be transmitted may be identified, and real time broadcast or order broadcast is selected. When the real-time broadcast is selected, the wireless broadcasting system 200 provides wireless broadcast data (for example, breaking news) generated in real time to the mobile communication terminal 500 immediately, and the user of the mobile communication terminal selects a broadcast to perform an order broadcast. If selected, wireless broadcast data (e.g., over-the-air broadcast drama) is transmitted.

The wireless broadcasting system 200 provides a broadcast selection menu program to the mobile communication terminal 500 to receive broadcast selection information, which will be described later.

As described above, the broadcast data generating unit 210 includes a multimedia data generating means 212, a WIP data generating means 214, and a text data generating means 216.

First, the multimedia data generating means 212 is connected to one or more content providers through the network 300, and generates multimedia wireless broadcast data from the content provider. The multimedia wireless broadcast data includes audio and video data streamable to a mobile communication terminal. When providing a call service of a video object to a mobile communication terminal user, the multimedia wireless broadcasting data is further processed.

The multimedia data generating means 212 may generate the wireless broadcast data through a separate application software, or may be input through an AV device connected through a cable.

The WIP data generating means 214 and the text data generating means 216 are provided with contents in the same manner as the multimedia data generating means 212 to generate WIP wireless broadcast data and text wireless broadcast data, respectively.

Multimedia wireless broadcast data is digital data that is compressed to enable multicasting and streaming transmission. For example, multimedia wireless broadcast data may be compressed into data such as MPEG (Moving Picture Experts Group) 2 or MPEG 4 format audio or video, and other streamable window media files ( It can be converted into multimedia streaming files such as WMV, ASF (Aevanced Streaming File, etc.), real audio video files, etc. WIP wireless broadcasting data is the conversion of existing wired Internet contents to meet the WIP protocol standard, and text wireless broadcasting data. Is used in the case of expressing simple information by being composed of characters like the existing short message service.

When the received wireless broadcast data is analog data, the broadcast data generation unit 210 converts the compressed data into digital data and compresses the compressed data. The broadcast data generating unit 210 converts the compressed data into stream data.

The broadcast data management unit 220 includes a database 228, and the data storage means 222 classifies and stores the generated wireless broadcast data into real-time broadcasts and on-demand broadcasts, and the information recording means 226 broadcasts. The selection information, broadcast progress information according to multicasting of the broadcast, and broadcast transmission information are recorded in a database recording field. Then, the data retrieval means 224 receives the broadcast selection information from the broadcast request receiver 240 and retrieves the classified / stored wireless broadcast data and provides the data to the data transmission unit 230.

The data transmission unit 230 receives the wireless broadcast data and transmits it to the mobile communication service provider 400 so that the mobile communication service provider 400 provides the wireless broadcast data to the mobile communication terminal 500 as a streaming service means. 234, WIP service means 232, and data service means 236.

The streaming service means 234 retrieves the multimedia wireless broadcast data from the broadcast data management unit 220 and transmits the data to the mobile communication service provider 400 together with the corresponding user information, and the WIP service means 232 and the data service means 236 Receive the WIP wireless broadcast data and text wireless broadcast data from the broadcast data management unit 220, respectively, and transmits it to the mobile communication service provider 400 with the corresponding user information.

The data transmission unit 230 may provide a broadcast viewing confirmation screen to the mobile communication terminal 500 before providing a real time broadcast or an order broadcast, and when a broadcast request signal is received from the mobile communication terminal 500, the corresponding radio is transmitted. A confirmation function for transmitting broadcast data may be provided.

In the existing mobile communication network, there is a method in which a mobile terminal user receives a wireless short message including wireless broadcasting information and accesses a server, dials an assigned number, and uses a wireless Internet browser. Wireless broadcasting system 200 according to the present invention is a system that provides a variety of multimedia data provided through the existing over-the-air broadcasting, various storage media, wired Internet, application software on the wireless Internet as a communication channel unique to the mobile communication terminal There is a problem that the use of the inefficient and expensive communication fees are added.

Accordingly, it is desirable to provide a service by leasing a specific channel among radio frequency channels between the base station and the mobile communication terminal and assigning it as a dedicated channel for wireless broadcasting. In such an environment, the data transmitter 230 should transmit broadcast channel selection information together in transmitting wireless broadcast data to the mobile communication service provider 400. Here, in order for the mobile communication provider 400 to multicast data to the mobile communication terminal 500 through a dedicated channel, the mobile communication service provider 400 must be provided with a terminal and a relay procedure protocol.

As described above, in order for the broadcast request receiver 240 to receive broadcast selection information from the mobile communication terminal 500, the data transmission unit 230 provides a broadcast selection menu program, and the broadcast selection menu program is provided on the mobile communication terminal. It provides a real-time / order broadcast list and transmits the broadcast selection information input by the user of the mobile communication terminal to the broadcast request receiver 240. The data transmission unit 230 may transmit the broadcast selection menu program in WIP wireless broadcast data, multimedia wireless broadcast data, or text wireless broadcast data format.

3 is a block diagram schematically showing an internal configuration when the streaming service means 234 of the real-time / custom type wireless broadcasting system 200 using the mobile communication terminal according to the present invention is distributed.

As shown in FIG. 3, the streaming service means 234 of the data transmitter 230 is first distributed in one or more parallel data feeding servers and channel switching servers for a favorable streaming service, and second, overflows. A plurality of transmission buffers for linearly storing data packets using an area, and a memory pool for allocating a storage area for wireless broadcast data to be transmitted to the transmission buffer and selecting the allocated storage area in real time according to data storage needs. Method of managing memory. Third, a method of streaming wireless broadcast data in real time without loss of data by calculating the transmission speed based on the number of constant transmission channels secured and distributed by the feeding server and the switching server and the calculation speed of multiple CPUs. It is preferably implemented as.

Such a system configuration provides essential functions for real-time transmission of data without errors using the network 300 including the existing Internet. The description of the distributed server system, memory management, and transmission speed correction described above is as follows. same.

The distributed server system is preferably divided into a switching server and a feeding server and distributed processing (the detailed internal configuration of the switching server and the feeding server is not shown in the accompanying drawings). A plurality of distributed parallel switching server is connected to the mobile communication client through the network 300, and receives the client packet according to the distributed server identification information from the mobile communication client to transmit to the distributed feeding server, and transmits the multimedia data It manages through the full buffer, allocates the line and controls the connection to transmit the multimedia data to the mobile communication client.

A plurality of distributed parallel feeding server receives and processes the client packet from the above-mentioned switching server, requests the retrieval of multimedia data, receives and stores the retrieved multimedia data, manages the stored multimedia data through the full buffer, and controls the code. Control packet, including, and generates a server packet containing multimedia data and transmits to the switching server while maintaining a constant speed. In particular, the feeding server establishes a session, corrects the transmission speed of multimedia data, and establishes a communication channel with a control unit for managing a session, a protocol processing unit for processing client packets, a control packet and a server packet, and a switching server through dynamic scheduling of the session It receives the client packet from the switching server and provides it to the protocol processing unit, and allocates a plurality of first connection, play file list, mixer queue pool and transmission queue pool area to receive the control packet and the server packet from the protocol processor to transmit to the switching server Set the communication channel with the memory pool, the broadcast data management unit 220 to control the multimedia data delivered to the full buffer, deliver the client packet to the broadcast data management unit 220 and transmit the multimedia data retrieved from the broadcast data management unit 220 Receiving second connection, smooth connection between second connection and memory pool May be of a buffer, such as providing access to the data storage space two-way data output for data transmission.

The transmission speed correction is performed based on the data recovery rate of the mobile communication client, and the CPU operation processing speed of the broadcast data management unit 220 and the broadcast request receiver 240 and the switching server and feeding server of the streaming service means 234. It is characterized in that the calculation processing speed of the fixed number of fixed number of servers and the fixed number of routine processing loops fixed and calculated and reflected in the calculation of the delay time.

In addition, the full buffer managed together with the memory pool further includes an overflow buffer space in addition to the prescribed data storage space, and records and records data by borrowing the overflow buffer space according to the positions of the buffers of the read index and the write index. By copying and circularly buffering data, it is possible to store and stream multimedia data without disconnection.

Therefore, the plurality of switching servers and feeding servers constituting the streaming service means 234 are connected by a fixed line, the plurality of switching servers are connected in parallel by receiving a certain number of lines from the mobile communication service provider 400 In addition, the plurality of feeding servers are connected in parallel and cross-connected with the broadcast data management unit 220, eliminating the need to calculate a separate protocol to distribute the load load. That is, the burden on the CPU due to the software processing can be reduced.

Next, another function of the multimedia data generating means 212 will be described. In generating the multimedia wireless broadcasting data, the multimedia data generating means 212 analyzes the contents using an image analysis technique, generates a video object that can be inserted into the contents, and selects an insertion video object on the mobile communication terminal 500. And reconfigure content to perform a predetermined data communication function.

4 is a block diagram schematically showing the components that the multimedia data generating means 212 according to the present invention has in order to provide a video object composition function.

Referring to FIG. 4, the multimedia data generating means 212 includes an input conversion module 212a, an image analysis module 212b, an object generation module 212c, an object synthesis module 212d, and an encoding module 212e. do.

The input conversion module 212a receives the content from the content provider 100 connected to the AV device, the application software, or the network 300, and the content is encoded in the multimedia wireless broadcast data (compressed or converted into a streaming file). Decode the file into a digital file for editing.

The image analysis module 212b analyzes the contents in units of image objects through image analysis techniques and extracts image objects. The image analysis techniques used include discontinuity detection, contour detection, threshold calculation, region and motion comparison, and the like. Image analysis and image representation and chain description using chaincode, approximation, and descriptor can be used.

FIG. 5 illustrates an example screen when a content obtained by synthesizing an image object according to the present invention is displayed on a mobile communication terminal.

The extracted image object may be replaced / synthesized with another image object, and the object generation module 212c generates such an insertion image object. The insertion image object may include an advertisement screen, a video effect applicable to the image object, and may be generated in a text, multidimensional image, and audio data format. For example, a person, a background screen, and an object of an example screen may all be extracted as an image object and replaced with an insertion image object.

The object synthesizing module 212d logically synthesizes the video object for insertion generated by the object generating module 212c with the video object constituting the content.

In addition, when the content is transmitted to the mobile communication terminal 500, the object synthesis module 212d may select an image object or an image object for insertion through an interface program and a keypad on the mobile communication terminal 500. In order to be controlled on the content screen (i.e., when an object is selected and called, it can be moved or deleted on the screen through manipulation of the keypad, replaced with another insertion video object stored in the memory of the mobile communication terminal, or another insertion video object is The video objects are synthesized by adding interface information to the video object or the video object for insertion. For example, the female of the example screen may be replaced with the male image, and the male image may be moved on the screen through the keypad manipulation of the user of the mobile communication terminal.

In order to provide an object call function different from the above, when the content is transmitted to the mobile communication terminal 500, the object synthesis module 212d selects an image object or an image object for insertion as described above and symbolizes the image objects. Link information (WML (Wireless Markup Language) code can be used) is added to the video object of the content or the video object for insertion so as to be connected to the wired / wireless internet service server or the broadcast request receiver 240 related to the information to be displayed. To synthesize video objects. For example, when a user selects and calls clothes worn by a woman on a screen, the mobile communication terminal 500 can access a wireless Internet server providing a shopping mall site based on link information (similarly, a background image object or advertisement). If the video object is selected, the mobile communication terminal 500 may access the travel agency site or the corresponding advertisement site according to the respective link information, and if the female image is selected / called, the broadcast request receiver 240 according to the present invention receives it. Broadcasting material management unit 220 may search for and provide personal information corresponding to a woman).

In addition, the object synthesis module 212d is a case in which the use of the content including the video object is paid and the use of the information service provided by the wired / wireless Internet service server or the broadcast request receiver 240 is paid, the image as described above When the object is selected, the mobile terminal receives the payment of the use price from the mobile terminal user in the payment method of the mobile terminal and transmits the approval information to the mobile communication provider 400.

The encoding module 212e encodes the content obtained by synthesizing the video object into multimedia wireless broadcast data, and transmits the content to the broadcast data management unit 220.

6 exemplarily shows data and information managed in the database 228 of the broadcast data management unit 220 according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail a real-time / on-demand wireless broadcast providing method using a mobile communication terminal according to the present invention.

7A is a flowchart illustrating a process of generating multimedia data in a method for providing real-time / custom wireless broadcasting using a mobile communication terminal according to the present invention.

First, the broadcast data generation unit 210 receives and classifies any one or more contents among broadcaster content, AV device content, digital broadcast content, Internet content, and text content (S100).

If the classified content is multimedia content (S105), if the content is a compressed digital file (S115), the content is encoded into stream data (S145), and if the content is one of broadcaster content or analog AV device content (S120). The audio data and the video data of the content are classified and converted into digital data (S125), and the converted multimedia wireless broadcast data is compressed (S140). The broadcast data generation unit 210 generates wireless broadcast data by converting the compressed multimedia data into stream data (S145). However, when the content is digital broadcast content produced through application software (S120), the multimedia data of the broadcast content is compressed (S140) and converted into stream data without converting to digital data in the above-described process (S145).

When the content is Internet content (S110), the broadcast data generating unit 210 generates wireless broadcast data by converting the Internet content into WIP content (S150). The text content is converted into a form transferable through the WIP protocol (S160).

7B is a flowchart illustrating a process of synthesizing an image object with content in a method for providing real-time / custom wireless broadcasting using a mobile communication terminal according to the present invention.

In the process of generating wireless broadcast data, if a video object is synthesized to give an object call function (S130, S135), the multimedia data generating means 212 converts the content into an editable digital file when the content is analog content. When the content is encoded into the multimedia wireless broadcast data (S200), the content is decoded and converted into an editable digital file (S205).

Subsequently, the multimedia data generating means 212 analyzes the content converted into the digital file by the image object unit through the image analysis technique and extracts the image object (S210). In this process, an insertion image object for image synthesis should be provided in the database 228. The insertion image object may be prepared in advance or may be generated in real time and inserted into the content (S215). The insertion video object includes an advertisement, another video object that can replace the existing video object, and a video effect applicable to the existing video object, and is generated in a text, multidimensional image, and audio data format (S220).

When the insertion video object is provided, the multimedia data generating means 212 logically combines the video object constituting the content with the insertion video object (S225), and in this process, may give an object call function (S230). . The multimedia data generating means 212 gives the following object calling function.

First, when the content is transmitted to the mobile communication terminal 500, the video object of the content may be selected through an interface program and a keypad on the mobile communication terminal (for example, an outline or an area is displayed in units of video objects on the screen, and the display area is It can be assigned sequentially through the navigation keys on the keypad).

Second, the selected video object can be moved on the displayed content screen. For example, the user calls a designated video object (eg, presses the "OK" button on the mobile communication terminal) and presses the video object through the keypad's navigation keys. You can move it on the screen.

Third, the user may access the wired / wireless internet service server or the broadcast request receiver 240 through the selected video object. For example, the user may use the connection function by pressing a “call” button on the mobile communication terminal.

Fourth, the video object can be approved by the mobile communication terminal user for payment based on the use of the above information by using the mobile terminal payment method (for example, content having a total playback capacity of 10 minutes is provided free of charge for one minute. If nine minutes are paid, the content is played for one minute, then paused, and then a video object screen is displayed requesting the user to make a payment. Will be provided).

When the object call function is provided and the video object is synthesized as described above, the content is encoded into the multimedia wireless broadcast data as described above (S140 and S145: shown in FIG. 7A).

FIG. 7C is a flowchart illustrating a process of multicasting multimedia data into real-time broadcasts and on-demand broadcasts in the real-time / custom wireless broadcast providing method using a mobile communication terminal according to the present invention.

The data transmitter 230 classifies the generated wireless broadcast data into a real time broadcast and an on-demand broadcast, stores the on-demand broadcast in the database 228, and transmits a broadcast selection menu program to the mobile communication terminal 500. (S300) For example, the real-time broadcast may include sports relay, breaking news, stock information, and the like, and on-demand broadcasts may include video on demand, broadcast dramas, concerts, and the like. .

Subsequently, when the user of the mobile communication terminal selects the real time broadcast (S305), the wireless broadcast data classified as the real time broadcast is provided, and the data transmitter 230 transmits the final confirmation screen of the real time broadcast reception to the mobile communication terminal 500. When transmitting and receiving a radio broadcast request signal (S315), and receives a real-time broadcast (wireless broadcast data) (S320) and transmits to the mobile communication provider (400).

For example, if the user selects the real-time provision of the securities information, the data transmission unit 230 transmits a final confirmation screen to the mobile communication terminal 500 to present the summary of the securities information and asks whether to receive the entire broadcast data. Can be.

In addition, if the user selects the order broadcast (S310), the broadcast data management unit 220 retrieves the wireless broadcast data corresponding to the order information from the database 228 (S325) and transmits to the mobile communication provider 400.

In the above-described process, the real time broadcast and the order broadcast may be multimedia wireless broadcast data (corresponding to a stream service), WIP wireless broadcast data, or text wireless broadcast data, and the process of multicasting wireless broadcast data in each case will be described. Is as follows.

First, when the broadcast ordered from the user of the mobile communication terminal is the stream service target (S330), the streaming service means 234 retrieves the stream data from the database 228 (S335) and transmits the stream to the mobile communication service provider 400. (S340), and secondly, when the broadcast ordered from the mobile communication terminal user is the target of the WIP service (S345), the WIP service means 232 is converted into WIP content by the mobile communication terminal 500 having a wireless Internet browser. The wireless broadcasting data is retrieved from the database 228 and transmitted to the mobile communication service provider 400 (which may be further divided into a stream service and a hyper text service produced by a wireless markup language (WML), etc.) (S350, S355).

In addition, when the broadcast ordered from the user of the mobile communication terminal is the text service target (S360), the data service means 236 retrieves the text data from the database 228 (S365) and transmits it to the mobile communication service provider 400. (S370).

7D is a flowchart illustrating a process of providing corresponding information when a user of a mobile communication terminal connects to a broadcast request receiver 240 through a video object in a method for providing real-time / custom wireless broadcasting using a mobile communication terminal according to the present invention. to be.

When the data transmission unit 230 transmits wireless broadcast data, the broadcast data management unit 220 checks this and stores and manages broadcast related data such as user information, broadcast progress information, and broadcast transmission information in the database 228 ( S400).

Here, the multimedia wireless broadcast data provided to the mobile communication terminal 500 is displayed by decoding (decoding) by the corresponding player, and when the user who views it selects / calls an image object and connects to the broadcast request receiver 240 ( For example, if the actor is selected on the screen, the wireless broadcasting system 200 according to the present invention may provide personal information of the actor, etc. (S405), and the broadcast data management unit 220 analyzes the video object call signal (S410). ), The video object detailed information corresponding to the video object is searched for (S415) and transmitted to the mobile communication service provider 400. The process of transmitting the image object detail information may go through the same steps as the above-described steps S330 to S370.

The present invention has been described above with reference to the preferred embodiments, which are merely examples and are not intended to limit the present invention, and those skilled in the art to which the present invention pertains do not depart from the essential characteristics of the present invention. It will be appreciated that various modifications and applications are not possible that are not illustrated above. For example, each component specifically shown in the embodiment of the present invention can be modified. And differences relating to such modifications and applications will have to be construed as being included in the scope of the invention defined in the appended claims.

According to the present invention, data loss and transmission are generated by generating various contents obtained through wired / wireless networks as streamable multimedia data of voice, video, and text, and transmitting the stream to a mobile communication provider through a distributed transmission server. High quality voice and video multimedia data can be multicasted to mobile communication terminals without delay.

In addition, according to the present invention, the generated stream data can be classified into real-time and on-demand data for real-time wireless broadcasting according to the setting information selected by the user of the mobile communication terminal, and stored multimedia data when there is an order of the user of the mobile communication terminal. Immediate radio broadcasting can provide two-way radio broadcasting with enhanced user choice.

In addition, according to the present invention, a video object constituting the content is selected through an interface program and a keypad on the mobile communication terminal, and the selected video object is moved / added / deleted / converted on the displayed content screen and associated with the video object. It is possible to implement a video object calling function that connects to a wireless Internet service server and allows payment of information payment through a video object to a mobile terminal payment method.

Claims (14)

In the information providing system using a mobile communication terminal, A broadcast request receiving unit for receiving broadcast selection information including user information and requesting to provide real-time broadcasting or on-demand broadcasting from a mobile communication terminal user through a mobile communication service provider connected through a network; A broadcast data generation unit including multimedia data generation means for receiving multimedia content from an AV device, application software, or a content provider connected through a network to generate multimedia wireless broadcast data; And a database, classifying and storing the generated wireless broadcast data into a real time broadcast and an on-demand broadcast, recording the broadcast selection information, broadcast progress information and broadcast transmission information according to multicasting of the broadcast, and selecting the broadcast. A broadcast data management unit for searching and providing the classified wireless broadcast data according to information; And And a data transmission unit having a streaming service means for receiving the multimedia wireless broadcasting data from the broadcasting data management unit and transmitting the multimedia wireless broadcasting data to the mobile communication service provider with the corresponding user information to multicast to the corresponding mobile communication terminal. Real time / custom wireless broadcasting system using a terminal. The method of claim 1, The broadcast data generation unit further includes a WIP data generation means for receiving the content from an AV device, application software or a network-connected content provider to generate WIP wireless broadcast data. The data transmission unit further comprises a WIP service means for receiving the WIP wireless broadcast data from the broadcast data management unit and multicasting to the mobile communication terminal by transmitting the WIP wireless broadcast data to the mobile communication service provider with the corresponding user information. Real time / custom wireless broadcasting system using a terminal. The method of claim 1, The broadcast data generation unit further includes text data generation means for generating text wireless broadcast data by receiving content from an AV device, application software, or a content provider connected through a network. The data transmission unit further comprises a data service means for receiving the text wireless broadcast data from the broadcast data management unit and multicasting to the mobile communication terminal by transmitting the text wireless broadcast data to the mobile communication service provider with the corresponding user information. Real time / custom wireless broadcasting system using a terminal. The method of claim 1, wherein the data transmission unit Before providing a real time broadcast or an ordered broadcast, a broadcast viewing confirmation screen is provided to the mobile communication terminal to receive a broadcast request signal and transmits the corresponding wireless broadcast data to the mobile communication service. On-demand wireless broadcasting system. The method of claim 1, wherein the data transmission unit Real-time / using a mobile communication terminal characterized in that for transmitting the wireless broadcast data to the mobile communication provider with the broadcast channel selection information to multicast the wireless broadcast data through a dedicated wireless broadcast channel assigned by the mobile communication provider On-demand wireless broadcasting system. The method of claim 1, wherein the data transmission unit WIP wireless broadcasting data, which provides a real-time / order broadcast list on the mobile communication terminal and receives a broadcast selection menu program from the broadcast data management unit for transmitting the broadcast selection information input by the user of the mobile communication terminal to the broadcast request receiver; Real-time / custom wireless broadcasting system using a mobile communication terminal, characterized in that for transmitting to the mobile communication provider in the form of multimedia wireless broadcast data or text wireless broadcast data format. The method of claim 1, wherein the multimedia data generating means An input conversion module for receiving content from the AV device, application software, or a content provider connected through a network, and decoding the content into a digital file for editing when the content is encoded into multimedia wireless broadcasting data; An image analysis module for analyzing the content by an image object unit through an image analysis technique and extracting the image object; An object generation module for generating an insertion image object including an advertisement, another image object that can replace the image object, and an image effect applicable to the image object in a text, multi-dimensional image, and voice data format; An object synthesizing module configured to calculate and synthesize the generated insertion image object with the image object constituting the content; And And an encoding module for encoding the content synthesized with the video object into multimedia wireless broadcasting data. The method of claim 7, wherein the object composition module When the content is transmitted to the mobile communication terminal, the video object or the video object for insertion can be called by selecting through an interface program and a keypad on the mobile communication terminal and the called video object can be moved, deleted, or inserted into another video object. Real-time / custom type using a mobile communication terminal, characterized by synthesizing the video objects by adding interface information to the video object or the insertion video object of the content so as to control the replacement or addition of another video object for insertion. Wireless broadcasting system. The method of claim 7, wherein the object composition module When the content is transmitted to the mobile communication terminal, the video object or the video object for insertion may be selected through an interface program and a keypad on the mobile communication terminal, and the wired / wireless Internet related to the information represented or displayed by the video objects. Real-time / custom wireless broadcasting system using a mobile communication terminal, characterized in that to synthesize the video objects by adding the link information to the video object or the insertion video object of the content to be connected to the service server or the broadcast request receiver. 10. The method of claim 8, wherein the object composition module When the use of the content including the video object is charged and the use of the information service provided by the wired / wireless Internet service server or the broadcast request receiver is paid, if the video object is selected, the mobile communication terminal payment method Real-time / on-demand wireless broadcasting system using a mobile communication terminal, characterized in that the approval of the payment of the use price from the terminal user to transmit the approval information to the mobile communication provider. According to claim 1, wherein the streaming service means A plurality of transmission buffers that are distributed to one or more parallel data feeding server and channel switching server and linearly store data packets using an overflow area, and allocate and allocate a storage area of radio broadcast data to be transmitted to the transmission buffer The memory is managed by selecting a storage area in real time according to the need of data storage, and the memory is managed. The transmission speed is based on the number of transmission channels and the calculation speed of a plurality of CPUs distributed and processed by the feeding server and the switching server. Real-time / custom wireless broadcasting system using a mobile communication terminal, characterized in that to stream the wireless broadcast data in real time without losing data by calculating a. In the information providing method using a mobile communication terminal, generating wireless broadcast data by receiving broadcaster content, AV device content, digital broadcast content, Internet content, and text content; (b) classifying the generated wireless broadcast data into a real time broadcast and an on-demand broadcast, and storing the on-demand broadcast in a database; (c) receiving broadcast selection information from a user of a mobile communication terminal, multicasting the classified wireless broadcast data to a mobile communication service provider if the classified broadcast data is a real-time broadcast, and transmitting the broadcast selection information to the broadcast selection information if the wireless broadcast data is an on-demand broadcast. Retrieving corresponding wireless broadcast data from the database and multicasting the data to the mobile communication service provider; And (d) storing and managing broadcast data including a user information, broadcast progress information, and broadcast transmission information in a database; Step (a) is (a1) converting the content into an editable digital file when the content is analog content and decoding and converting the content into an editable digital file when the content is encoded into multimedia wireless broadcasting data; (a2) analyzing the content converted into a digital file on an image object basis through an image analysis technique and extracting the image object; (a3) generating an insertion image object including an advertisement, another image object that can replace the image object, and an image effect applicable to the image object in a text, multi-dimensional image, and audio data format; (a4) calculating and synthesizing the generated insertion image object with the image object constituting the content; And (a5) real-time / on-demand wireless broadcasting providing method using a mobile communication terminal, characterized in that further comprising the step of encoding the content synthesized with the video object to the multimedia wireless broadcast data. The method of claim 12, wherein step (a4) When the content is transmitted to the mobile communication terminal, the video object of the content can be selected through an interface program and a keypad on the mobile communication terminal, and the selected video object can be moved on the displayed content screen or a wired / wireless internet service server. Alternatively, a mobile communication terminal comprising a video object call function for synthesizing the video objects so as to be connected to a broadcast request receiver or to receive a payment for the use of information from the user of the mobile communication terminal through a mobile communication terminal payment method. Real-time / on-demand wireless broadcast providing method. 15. The method of claim 13, wherein when a user of a mobile communication terminal receiving content calls a predetermined video object and accesses the broadcast request receiver. Method for providing real-time / on-demand wireless broadcasting using a mobile communication terminal, characterized in that for searching the video object detailed information corresponding to the video object and transmit to the mobile communication provider.