Low-overhead channel sounding in Wi-Fi7 based on partial band channel estimation

Optimal determination of a Wireless Local Area Network (WLAN) sounding method and system may be provided. An Access Point (AP) selects a subchannel for the partial sounding. The AP then sounds the selected subchannel. A client station responds with Channel State Information (CSI). The AP can receive...

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Bibliographic Details
Main Authors Silverman, Matthew Aaron, Mirfakhraei, Khashayar, Alizadeh, Ardalan, Bhanage, Gautam D
Format Patent
LanguageEnglish
Published 07.11.2023
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
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Summary:Optimal determination of a Wireless Local Area Network (WLAN) sounding method and system may be provided. An Access Point (AP) selects a subchannel for the partial sounding. The AP then sounds the selected subchannel. A client station responds with Channel State Information (CSI). The AP can receive the CSI, from the client station, in response to the sounding. Based on the CSI from the selected subchannel, the AP extrapolates the CSI to determine predicted CSI for a wider bandwidth channel.
Bibliography:Application Number: US202218057902