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Power allocation and adjusting method based on feedback link quality of external code enhancement technology

A technology of link quality and adjustment method, applied in the communication between multiple stations, transmission control/equalization and other directions, can solve the problem of non-implementation, and achieve the effect of saving resources

Inactive Publication Date: 2008-09-10
ZTE CORP
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  • Claims
  • Application Information

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Problems solved by technology

Therefore, if the RNC can dynamically adjust the power of the SCCPCH carrying the MBMS service, it can avoid or reduce the waste of resources. However, this technology has not been realized so far.

Method used

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  • Power allocation and adjusting method based on feedback link quality of external code enhancement technology
  • Power allocation and adjusting method based on feedback link quality of external code enhancement technology
  • Power allocation and adjusting method based on feedback link quality of external code enhancement technology

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Embodiment Construction

[0021] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and the following embodiments are provided to provide a comprehensive and thorough understanding of the present invention, but not to limit the present invention.

[0022] First of all, in order to enhance link gain and improve service performance, the conventional transmission channel multiplexing process of Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) system can be performed by Outer Coding Performance enhancement, wherein, the transmission signal multiplexing structure enhanced by the outer code is as follows figure 1 shown. The outer code enhancement technology can improve link performance, among which, figure 2 shows the processing flow of the receiving end of the outer code enhancement technology. In this way, after the terminal completes the reverse process of conventional transmission channel multiplexing, the data can be fu...

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Abstract

The invention provides a method for feeding back power allocation and regulation of link quality by adopting the outer code enhancement technique. The method comprises the steps: S402: an inverse process multiplexing for a terminal to transmit channels; S404: CRC verifies a statistical module and judges whether CRC verified calculation in the inverse process is right and after relevant processing is taken according to the results of the judgment, the right circumstances in the CRC verification in the reverse process are added up; S406: the terminal outputs the link quality of the transmission channels according to the stastical results of the verified statistical module in the CRC; S408: RNC sends out request message for counting, and the terminal makes response to the counting in pre-set conditions and feedbacks the link quality of the transmission channels; S410: after receiving the counting response of the preset quantity, the RNC counts the link quality given feedback by the terminal and confirms whether to regulate power allocation of the signal channel loading MBMS according to the statistical results.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method for adjusting power distribution by adopting outer code enhancement technology to feed back link quality. Background technique [0002] With the rapid development of the Internet, a large number of multimedia services emerge. For some of the application services, multiple users can receive the same data at the same time, such as video on demand, TV broadcast, video conferencing, online education, interactive games, etc. [0003] In order to realize the most effective use of mobile network resources, the Multimedia Broadcast / Multicast Service (MBMS) technology is proposed: it refers to a point-to-multipoint service in which one data source sends data to multiple users, which can realize Network resource sharing, including mobile core network and access network resources, especially the sharing of air interface resources. The MBMS defined by 3GPP can not only realiz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04B7/005
Inventor 李群马毅华
Owner ZTE CORP
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