Invention Application
- Patent Title: COORDINATED SCHEDULING AND SIGNALING OF RESTRICTED TARGET WAKE TIME (R-TWT) SERVICE PERIODS
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Application No.: PCT/US2022/041923Application Date: 2022-08-29
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Publication No.: WO2023075921A1Publication Date: 2023-05-04
- Inventor: AJAMI, Abdel Karim , HO, Sai Yiu Duncan , CHERIAN, George , ASTERJADHI, Alfred , PATIL, Abhishek Pramod , SUN, Yanjun , NAIK, Gaurang
- Applicant: QUALCOMM INCORPORATED
- Applicant Address: ATTN: International IP Administration
- Assignee: QUALCOMM INCORPORATED
- Current Assignee: QUALCOMM INCORPORATED
- Current Assignee Address: ATTN: International IP Administration
- Agency: HARRIS, Philip W.
- Priority: US17/516,375 2021-11-01
- Main IPC: H04W52/02
- IPC: H04W52/02 ; H04W84/12 ; H04W52/14 ; H04W72/04
Abstract:
This disclosure provides methods, devices and systems for protecting latencysensitive communications during restricted target wake time (r-TWT) service periods (SPs). Some implementations more specifically relate to coordinated scheduling of r-TWT SPs between OBSSs. In some aspects, a first AP may coordinate with a second AP in scheduling r-TWT SPs so that latency-sensitive traffic in a first BSS does not interfere or collide with latency-sensitive traffic in a second BSS overlapping the first BSS. In some implementations, the first and second APs may schedule their respective r-TWT SPs to be orthogonal in time. In some other implementations, the first and second APs may schedule their r-TWT SPs to overlap in time, while allocating coordinated resources to concurrent or overlapping latency-sensitive traffic in the first and second BSSs (such as in accordance with one or more multi-AP coordination techniques).
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