Interactive error correction method and system for document download

A file download and interactive technology, which is applied in the field of interactive error correction methods and systems for file download, can solve problems such as no definition of interactive error correction mechanism

Inactive Publication Date: 2008-10-01
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] As an auxiliary error correction mechanism, there is no related interactive error correction mechanism defined in the CMMB standard

Method used

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  • Interactive error correction method and system for document download
  • Interactive error correction method and system for document download
  • Interactive error correction method and system for document download

Examples

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Embodiment Construction

[0051] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0052] like figure 1 As shown, it is a structural diagram of an interactive error correction system for file download according to an embodiment of the present invention. The system includes a file distribution server, a file repair server and a receiving terminal, wherein:

[0053] The file distribution server is used to send the FAT (File Attribute Table, file attribute table) containing the file repair service address information to the receiving terminal through the broadcast network, and send the file data described in the FAT table; the file distribution server is used to send The FAT to the receiving terminal also includes the starting point and the ending point of the time when the receiving terminal starts the file repair service after the file download service starts;

[0054] The receiving terminal is con...

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Abstract

An interactive correcting method of file download is disclosed, comprising the steps that: 1) a file allocation server sends FAT comprising file fixing service address information to a receiving terminal through a broadcast network; 2) after launching a file download receiving task, if the loss or error are placed on the file pieces in the process of receiving the files, the receiving terminal sends a file fixing request to a file fixing server in accordance with the file fixing service address information in FAT; 3) after receiving the request, the file fixing server feeds back the fixing data of files to the receiving terminal; 4) after receiving the fixing data, the receiving terminal fixes the files. An interactive correcting system of file download comprises the file allocation server, the file fixing server and the receiving terminal. The invention provides a selective personalized correcting method and system while the mobile multimedia broadcast users use the download service of mobile multimedia broadcast, and offers an auxiliary correcting mechanism for the download service based on the mobile multimedia broadcast.

Description

technical field [0001] The invention relates to the technical field of mobile multimedia broadcasting, in particular to an interactive error correction method and system for file downloading. Background technique [0002] Mobile multimedia broadcasting is a broadcasting multimedia technology emerging in recent years. Through the hand-held terminal, in the case of high-speed movement, you can watch multimedia services such as TV. The terminal receives the multimedia service program list through the wireless broadcast channel, and selects a channel that has the right to watch, so that it can receive and select the multimedia data of the channel, and realize watching TV on the mobile terminal. [0003] China Mobile Multimedia Broadcasting (CMMB, China Mobile Multimedia Broadcasting) technology is the latest mobile multimedia broadcasting technology, based on OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing) modulation technology, usi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L1/00H04H20/72
CPCH04L1/1812
Inventor 张朋飞
Owner ZTE CORP
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