The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 19, 2013
Filed:
Apr. 13, 2012
Zhiqun Chen, Shanghai, CN;
Feng LI, Shanghai, CN;
Gengshi Wu, Shanghai, CN;
Haitao Zhang, Shanghai, CN;
Jing Yang, Shanghai, CN;
Xiuqin Peng, Shanghai, CN;
Zhiqun Chen, Shanghai, CN;
Feng Li, Shanghai, CN;
Gengshi Wu, Shanghai, CN;
Haitao Zhang, Shanghai, CN;
Jing Yang, Shanghai, CN;
Xiuqin Peng, Shanghai, CN;
Huawei Device Co., Ltd., Shenzhen, CN;
Abstract
A method, a device and a system for detecting channel quality are provided. The method includes: judging whether a Transmit Power Control (TPC) symbol output by a receiver is an invalid symbol; when the TPC symbol is a valid symbol, judging whether polarities of in-phase/quadrature (I/Q) components of the valid symbol are opposite to each other; counting the number of invalid symbols, the number of valid symbols, and the number of valid symbols with opposite polarities; and estimating a Bit Error Rate (BER) according to the number of the invalid symbols, the number of the valid symbols, and the number of the valid symbols with the opposite polarities, and detecting the channel quality through the BER.