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Selection method and apparatus for IR state returning period of ROHC device

A technology for selecting devices and compressors, applied in transmission modification based on link quality, digital transmission systems, electrical components, etc., can solve the problem that the communication system compression efficiency and packet loss rate cannot be considered, and the IR state return period cannot be adjusted dynamically and other issues, to achieve the effect of balancing packet loss rate, simple method, and balanced compression efficiency

Inactive Publication Date: 2016-05-18
ZTE CORP
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Problems solved by technology

[0008] Obviously, the fixed IR state reversion period cannot be dynamically adjusted according to the channel quality, so it cannot take into account the compression efficiency and packet loss rate of the communication system to achieve a balance

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  • Selection method and apparatus for IR state returning period of ROHC device
  • Selection method and apparatus for IR state returning period of ROHC device
  • Selection method and apparatus for IR state returning period of ROHC device

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Embodiment Construction

[0050] In order to illustrate the embodiments and technical solutions of the present invention more clearly, the technical solutions of the present invention will be described in more detail below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0051]In the embodiment of the present invention, in order to enable the ROHC compressor of the communication system to select the optimal IR state retrace period according to the channel quality, support vector machines (support vector machines, SVM) are introduced, and the channel quality parameter sample set and the parameter sample set The corresponding optimal IR state retrieving period is u...

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Abstract

The invention discloses a selection method for an initialization-and-refresh (IR) state returning period of a robust header compression (ROHC) device. The method comprises: a current channel quality parameter is obtained and is sent to a trained support vector machine, and an IR state returning period is selected based on the current channel quality parameter by using the support vector machine; and an IR state returning period of the ROHC device is adjusted according to the IR state returning period selected by the support vector machine. In addition, the invention also discloses a selection apparatus for an IR state returning period of an ROHC device.

Description

technical field [0001] The present invention relates to the technical field of Robust Header Compression (Robust Header Compression, ROHC), in particular to a method and a device for selecting an IR state recall period of an ROHC compressor. Background technique [0002] For some application layer services, the overhead of huge Internet Protocol (Internet Protocol, IP) message header information is very large, such as IP telephone (Voice over Internet Protocol, VoIP) service, its payload length is usually 15-20 bytes, and IP message The header information occupies 40 bytes; however, the header of a certain data stream often contains a large amount of redundant information, and ROHC technology was born to solve this problem. There are three working modes in ROHC, which are U mode, O mode and R mode. When there is no reverse channel between the compressor and the decompressor at the opposite end, or when the reverse channel is unavailable, that is, there are only unidirection...

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Application Information

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IPC IPC(8): H04L29/06
CPCH04L69/04H04L65/80H04L69/22H04L1/0042H04L1/0014H04L65/70
Inventor 刘鑫董建军武见廖朝阳
Owner ZTE CORP
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