	US 12,010,626 B2
	Restricted TWT operations for multi-link devices
Rubayet Shafin, Allen, TX (US); Boon Loong Ng, Plano, TX (US); Peshal Nayak, Plano, TX (US); Ahmed Atef Ibrahim Ibrahim, Plano, TX (US); and Vishnu Vardhan Ratnam, Plano, TX (US)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Jun. 9, 2023, as Appl. No. 18/332,628.
Application 18/332,628 is a continuation of application No. 17/655,765, filed on Mar. 21, 2022, granted, now 11,871,353.
Claims priority of provisional application 63/319,181, filed on Mar. 11, 2022.
Claims priority of provisional application 63/305,532, filed on Feb. 1, 2022.
Claims priority of provisional application 63/245,595, filed on Sep. 17, 2021.
Claims priority of provisional application 63/191,602, filed on May 21, 2021.
Claims priority of provisional application 63/179,032, filed on Apr. 23, 2021.
Claims priority of provisional application 63/164,322, filed on Mar. 22, 2021.
Prior Publication US 2023/0328654 A1, Oct. 12, 2023
Int. Cl. H04W 52/02 (2009.01); H04W 76/15 (2018.01)

CPC H04W 52/0258 (2013.01) [H04W 76/15 (2018.02)]

20 Claims

1. A non-access point (AP) multi-link device (MLD) associated with a wireless network, the non-AP MLD comprising:

at least two non-AP stations (STAs) affiliated with the non-AP MLD; and

a processor coupled to the at least two non-AP STAs, the processor configured to:

set up at least two links with an AP MLD that includes at least two APs affiliated with the AP MLD, each link being set up between a non-AP STA affiliated with the non-AP MLD and a corresponding AP affiliated with the AP MLD,

negotiate, with the AP MLD, traffic identifier (TID)-to-link mapping on at least one link between the non-AP MLD and the AP MLD, and

transmit or receive a target wake time (TWT) element over a link between the non-AP MLD and the AP MLD, wherein the TWT element indicates at least one TID among a set of TIDs that are mapped on the link through the negotiated TID-to-link mapping.