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:
Jul. 28, 2020
Filed:
Aug. 31, 2016
Huawei Technologies Co., Ltd., Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A method includes: sending, by an AP, a channel measurement notification message, where the channel measurement notification message includes a STA indication and a to-be-measured channel indication; receiving, by the AP, channel sounding signals sent by M STAs, where the M STAs that need to measure a channel are divided into W groups, N STAs in a same group simultaneously send channel sounding signals on a same sub-channel in the V to-be-measured sub-channels, the channel sounding signal includes a plurality of subcarriers, every Ng consecutive subcarriers are a group of subcarriers, each STA in each group occupies a subcarrier at a fixed location in each group of subcarriers, and subcarriers that are occupied by the N STAs in the same group and that are in a same group of subcarriers are different from each other.