Null data packet announcement frame transmission method and related apparatus
US11943170B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Aug 4, 2023 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Aug 4, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method includes: An access point generates an NDPA frame, where the NDPA frame includes a station information field, and the station information field includes an AID subfield indicating an association identifier AID of a station; the station information field further includes a partial bandwidth information subfield; the partial bandwidth information subfield indicates an RU that is in a bandwidth corresponding to the NDPA frame and for which the station needs to feed back channel state information; and the bandwidth corresponding to the NDPA frame is greater than 160 MHz. The access point transmits the NDPA frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.