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Method for preventing label similarity during information sending/receiving in mobile communication system

A mobile communication system and marking technology, applied in multiplex communication, time-division multiplex system, electrical components, etc., can solve problems such as self-correction of errors and inability to judge correctly, so as to improve image quality and call quality Effect

Inactive Publication Date: 2006-07-19
LG ELECTRONIC (HUIZHOU) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Specifically, for the basic mode (basic mode) of Annex A of H.223, only 2 bytes are used for marking, so this phenomenon obviously exists, while H.223 Annex after Golayencoding (golayencoding) When B's data header is Golay encoded (golay encoding), because it has an error self-correction function, it cannot be correctly judged whether it is a real data header

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  • Method for preventing label similarity during information sending/receiving in mobile communication system
  • Method for preventing label similarity during information sending/receiving in mobile communication system
  • Method for preventing label similarity during information sending/receiving in mobile communication system

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Embodiment Construction

[0024] Hereinafter, the embodiment of the method for preventing the similarity of tags when sending and receiving information in the mobile communication system of the present invention will be described in detail with reference to the accompanying drawings.

[0025] First, the features of the present invention will be described.

[0026] 1. In the process of finding the synchronization flag (synchronization flag), it embodies the omission of the process of setting the H.324M level and the function of processing the stuffing sequence (stuffing sequence).

[0027] 2. The process of finding the synchronization flag is divided into 3 states (3-states), that is, even if the multimedia data is broken in the air, the synchronization flag can be searched again.

[0028] 3. In order to prevent the flag from being emulated, H.223 Annex A and B use the method of looking at the data header immediately after the synchronization flag.

[0029] Fig. 5 is an algorithm diagram for detecting ...

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Abstract

The invention relates to a method for avoiding the similarity of marks when the mobile communication system receives and sends the information, which comprises three process: 1, distributing the data at least comprising the mark, data head and the information section to the temporary buffer; 2, comparing the special byte numbers of said temporary buffer and the slide window; 3, according to the matched result, entering the next condition or keeping the former condition. Said invention can avoid the similarity of marks in the multimedia mobile communication of IMT-2000 terminal device, to improve the communication quality.

Description

(1) Technical field [0001] The present invention is about preventing the similarity (flagemulation) of the mark (flagemulation) when the mobile communication system sends and receives information, especially about the IMT2000 terminal set that supports H.324M is defined as the synchronization flag ( Synchronization flag), prevent it from becoming flag emulation in the MUX-PDU, so that the synchronization flag can be quickly and easily found, a method to prevent the mobile communication system from flag emulation when sending and receiving information . (2) Background technology [0002] The prior art will be described below. [0003] Recently, while actively developing IMT2000 terminals, efforts are being made to improve image quality. [0004] Multimedia mobile communications with fragile data such as IMT2000 terminals supporting H.324M do not use the bit stuffing (zero bit insertion) method to prevent flag emulation, but use a longer synchronization flag of 2 bytes or mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/06
Inventor 朴亨信
Owner LG ELECTRONIC (HUIZHOU) CO LTD