Null data packet announcement (NDPA) frame indication

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United States of America Patent

PATENT NO 12021594
APP PUB NO 20230098549A1
SERIAL NO

17490414

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Abstract

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The present disclosure provides methods and apparatus related to NDPA frame indication. An aspect of the disclosure provides a method. The method includes sending, to one or more stations (STAs), a request for channel state information (CSI). The request includes a null data packet announcement (NDPA) frame including a first field and a second field. The first field indicates presence of the second field, and the second field indicates a variant of the NDPA frame. The method further includes receiving, from the one or more STAs, a CSI feedback response based on the request. In some embodiments, the first field is one of a sounding dialog token field and indicates the presence of the second field via at least two bits. In some embodiments, the first field is a frame control field and indicates the second field via a 4-bit subtype subfield.

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Patent Owner(s)

Patent OwnerAddress
HUAWEI TECHNOLOGIES CO LTD518129 \U3001 BANTIAN HUAWEI HEADQUARTERS OFFICE BUILDING LONGGANG DISTRICT GUANGDONG SHENZHEN SHENZHEN CITY GUANGDONG PROVINCE 518129

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aboul-Magd, Osama Kanata, CA 206 2121
Au, Kwok Shum Ottawa, CA 139 770
McCann, Stephen Hampshire, GB 228 3729
Montemurro, Michael Toronto, CA 58 1667
Suh, Jung Hoon Kanata, CA 169 766
Xin, Yan Kanata, CA 204 1702

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