Method for downloading a plurality of files simultaneously in broadcasting network
A broadcasting network and file technology, applied in the field of multimedia broadcasting or mobile TV, can solve the problems of incomplete use, high overhead, low transmission efficiency, etc., and achieve the effects of small header overhead, strong anti-error ability, and high flexibility
Inactive Publication Date: 2009-03-04
ZTE CORP
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Problems solved by technology
In the first method, because the size of the TS packet is fixed, a piece of data is divided into multiple TS packets for intermediate transmission, and the last TS packet is often not completely used up, and there is a large amount of filling information, so the transmission efficiency of the TS method is relatively low; the second method In this method, since the header of IP multicast has 28 bytes, the overhead is relatively large
Method used
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[0020] The method for realizing simultaneous downloading of multiple files in the present invention is to divide multiple files into multiple file blocks, encapsulate them in multiple data units, and encapsulate the multiple data units in one business channel for transmission, so one business Multiple files can be encapsulated in a channel at the same time. A business channel corresponds to a channel, and a channel sends data once within a fixed time interval, and the fixed time interval can be 1 second or other time values.
[0021] Each data unit is assigned a file number and a unit number. The file number is used to mark which file the file block in the data unit belongs to. The unit number is used to distinguish the order of different file blocks of the same file to realize downloading. Correct splicing of files.
[0022] figure 1 It is a schematic diagram of the encapsulation structure of multiple files encapsulated in one business channel. If one service channel is us...
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The method includes the following steps: (1) splits each document into several document blocks. Packs separately them into several data units; (2) distributes a document number and a unit number to each data unit; the document number is in use for marking that document block in this data unit belongs to which document; the unit number is in use for to distinguishing the order of different document blocks in the same document; (3) packs the mentioned several data units into a business channel and transfers them.
Description
technical field [0001] The invention belongs to the technical field of multimedia broadcasting or mobile phone television, and particularly relates to a method for realizing simultaneous downloading of multiple files in a multimedia broadcasting network. Background technique [0002] Mobile multimedia broadcasting is a multimedia playback technology that has emerged in recent years. Through a handheld terminal, one can watch TV while moving at high speed. The terminal receives the program list through the wireless protocol, and can select the channel it has the right to watch, so that it can receive the multimedia data of the selected channel, and realize watching TV on the mobile terminal. [0003] The air data transmitted by the system is divided into different channels. The data of each channel includes three types: video, audio and data. The terminal can receive the relevant data, and realize the normal broadcasting of the TV through the player on the terminal. [0004]...
Claims
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IPC IPC(8): H04L12/00H04L29/06H04N7/173C07C67/52C07C67/54C07C69/82G01S1/02G01S5/02G01S5/06G01S5/12G01S19/27G02B26/10G03B11/00G03B17/02G04G7/02G06F1/16G06F11/10G06F13/00G06F13/36G06F13/362G06F15/00G06F21/24G06K9/00G06K9/62G06K17/00G06K19/00G06T9/00G08C19/16G09C1/00G09G3/02G10L19/00G11B20/10G11B20/14G11B20/18G11B20/22H01Q1/24H01Q21/24H03L7/091H03M13/03H03M13/13H03M13/23H03M13/27H03M13/29H04B1/16H04B1/707H04B7/005H04B7/24H04B7/26H04B14/00H04H60/72H04J3/06H04J13/00H04J13/16H04L1/00H04L7/00H04L9/00H04L9/08H04L9/10H04L9/14H04L9/28H04L9/32H04L12/24H04L12/26H04L12/28H04L12/417H04L12/54H04L25/02H04L25/03H04L25/49H04L25/497H04L27/10H04L27/156H04L27/18H04L29/08H04L29/12H04M1/66H04M1/724H04M1/72415H04M1/73H04M3/22H04M11/00H04N5/225H04N5/38H04N5/44H04N5/46H04N5/64H04N5/66H04N5/74H04N5/76H04N5/765H04N5/775H04N5/85H04N5/907H04N5/92H04N7/01H04N7/08H04N7/16H04N7/26H04N7/36H04N7/52H04N9/31H04N9/64H04N9/79H04N9/804H04N17/00H04N21/41H04N21/414H04Q3/00H04W4/06H04W4/10H04W4/12H04W4/14H04W4/16H04W8/02H04W8/06H04W8/08H04W8/16H04W8/20H04W8/24H04W8/26H04W24/00H04W24/04H04W24/08H04W24/10H04W28/02H04W28/04H04W28/08H04W28/16H04W28/22H04W36/02H04W36/04H04W36/18H04W36/30H04W40/22H04W48/06H04W48/08H04W48/16H04W52/02H04W52/24H04W56/00H04W60/00H04W64/00H04W68/00H04W68/02H04W72/54H04W76/02H04W76/04H04W76/06H04W80/06H04W84/04H04W84/08H04W84/12H04W84/18H04W88/02H04W88/04H04W88/06H04W88/12H04W88/18
CPCH04L47/822H04L1/0066G01S5/021H04N7/17327H04W4/14H04W8/265H04M1/72533H04L1/1841Y02B60/43H04L12/4641H04B10/25754H04L25/03038H03M13/2903H04N21/47211H03L7/091G11B20/22G06F21/6209H03M7/4006H04N7/163H04W74/0833H04W88/085H04W76/02H04L51/04H04W24/00H04J3/0655H04W88/16G11B20/10009H03M13/23G06F21/305H04L47/72H04W40/00H04N19/00884H04L51/28H04W76/064G06F3/0481H04N5/4448H04L47/15H04N2201/3222H04W84/08H04N9/642G01S5/06H04N5/907H04N7/0122H04N5/64H04N5/85H03M13/6362H04L63/126H04W28/18H04L27/156H04L29/12471Y10S370/906H04L47/765G06F21/74H04N21/4181H04W8/26H03M13/6356H04N19/00951G06F2221/2115H04Q3/0025H04N19/00812Y02B60/50H04N19/00593H04N5/2257H04W28/26H04L12/417H04L47/824H04J13/0077H04W52/0274H04L2012/40273H04W52/0225H04W72/042H04L25/4904H04W76/06G06F21/88H04L25/4902G11B20/10425H04L65/1006H04N21/6582H04N5/66H04N9/7925H04L65/4061H04W68/00H04N2201/3274H04W84/12H04N21/433Y10S707/99943H04L47/745H04L2012/40215H04N19/00036H04N5/45H04N21/6175H04L65/1043H04N5/76H04N21/4623H04M1/72519H04J3/0658H04L41/5009H04W4/10H04N5/775Y10S370/907H04L51/38H04J13/16G06F2221/2105H04W74/008H04N9/8042H04L61/2553H04M3/42221H04W4/12H04W88/06H04N19/00587H03M13/2771H04L1/0068H04W56/00H04N9/3129H04L65/1016G06F1/1626H04N5/2251H04N19/00151H04L9/304H04W48/08H04L41/06H04N5/46H04N7/0112H04W64/00H04N21/6187H04W76/027H04L29/06027H04N1/40G06F1/1639H04N1/32106H04N19/0069H04L1/1685H04L25/497H03M13/2993H04N5/445H04B7/2687H04L9/085H04M7/0057H04W36/02H04L12/5695H04N1/00957H04W12/10H04N2201/3212G01S1/026H04W76/005H04N5/4401H04W28/04H04B7/2628H03M13/2764H04N5/38H04W52/30H04W84/042H04W8/245H04M7/1295H04N21/2543H04W76/022H04W28/00H04N2201/0094H04L43/0829H04N19/139H04N19/70H04N19/51H04N19/109H04N19/91H04N19/527H04N19/517H04N19/625H04L47/70H04W76/18H04W76/10H04W76/30H04W76/45H04W76/34H04W76/12H04N21/426Y02D30/70H04M1/72415H04M1/724H04W12/106H04L51/48H04L51/58H04L65/1104H04N23/57H04W72/23H04W74/002
Inventor 沈灿张建强晏祥彪
Owner ZTE CORP
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