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Method and system for context reuse

A context and message technology, applied in the field of wireless communication, can solve the problems of unsafe working mode switching, affecting the user experience effect, affecting the effect of compression/decompression, etc., to achieve the effect of improving the experience effect

Active Publication Date: 2011-12-28
ZTE CORP
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The above-mentioned compression / decompression context reuse process has the following problems: If the working mode adopted by the compressor and the decompressor is not the initial one-way mode at this time, it will easily lead to unsafe working mode switching, affecting the effect of compression / decompression, and then affecting user experience effect

Method used

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Embodiment Construction

[0030] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0031] see figure 1 , propose an embodiment of a context reuse method of the present invention, including:

[0032] Step S101, after the compressor selects and reuses a used compression context for the currently received packet to be compressed, sets the current working mode of the compression context to the initial one-way mode, and sends an IR message to the decompressor;

[0033] Step S102, the decompressor receives the IR message, searches for the corresponding decompression context according to the context identifier CID in the IR message, and sets the current working mode of the decompression context as the initial unidirectional mode.

[0034] In this embodiment, after the compressor reuses the compression context for the currently received packet to be compressed, it sets the reused compression to the initial...

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Abstract

The present invention provides a context reuse method, comprising: after selecting and reusing already used compression context for a currently received packet to be compressed, a compressor setting a current working mode of the compression context to an initial unidirectional mode, and sending an IR packet to a decompressor; the decompressor receiving the IR packet, searching for corresponding decompression context according to a context identifier in the IR packet, and setting a current working mode of the decompression context to the initial unidirectional mode. The present invention further provides a context reuse system. The application of the method and system to realize compression / decompression context work mode security migration improves the user experience.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a context reuse method and system. Background technique [0002] Robust Header Compression Protocol (Robust Header Compression Protocol, ROHC) is a general compression technology based on IP, which is mainly applied between the base station and the user terminal. [0003] Context is a very important concept in ROHC, which is divided into compression context and decompression context. Wherein, in the same service flow received by the compressor, each received packet to be compressed corresponds to a compression context, wherein the compression context includes all relevant information of the packet to be compressed. Each package to be compressed has a corresponding compression context in the compressor, and a corresponding decompression context in the decompressor. In ROHC message processing, the packet to be compressed is generally divided into static fie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/06
CPCH04L69/04H04W28/06H04L69/22
Inventor 马德宝
Owner ZTE CORP