Invention Publication
- Patent Title: MULTI-AP CHANNEL SOUNDING FEEDBACK PROCEDURES FOR WLAN SYSTEMS
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Application No.: US18556787Application Date: 2022-04-22
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Publication No.: US20240223250A1Publication Date: 2024-07-04
- Inventor: Mahmoud Saad , Hanqing Lou , Xiaofei Wang , Zinan Lin , Rui Yang
- Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
- Applicant Address: US DE Wilmington
- Assignee: INTERDIGITAL PATENT HOLDINGS, INC.
- Current Assignee: INTERDIGITAL PATENT HOLDINGS, INC.
- Current Assignee Address: US DE Wilmington
- International Application: PCT/US2022/025931 2022.04.22
- Date entered country: 2023-10-23
- Main IPC: H04B7/06
- IPC: H04B7/06

Abstract:
A station (STA) that is associated with a first access point (AP), that is a member of a multi-AP set receives a trigger frame from a second AP that is also a member of the multi-AP set. The STA is not associated with the second AP. The trigger frame includes an association identifier (AID) relating to the association between the STA and the first AP, and an AP identifier (APID) of the first AP. The STA transmits a feedback message, to the second AP, including information indicative of a channel quality of a communication channel between the STA and the second AP. Various formats for a trigger frame to solicit feedback from an OBSS STA, are disclosed.
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