US 11,877,321 B2
Constrained multi-link device operations in wireless communications
Kai Ying Lu, San Jose, CA (US); Yongho Seok, San Jose, CA (US); Weisung Tsao, San Jose, CA (US); and James Chih-Shi Yee, San Jose, CA (US)
Assigned to MediaTek Singapore Pte. Ltd., Singapore (SG)
Filed by MediaTek Singapore Pte. Ltd., Singapore (SG)
Filed on Dec. 25, 2020, as Appl. No. 17/134,231.
Claims priority of provisional application 63/112,211, filed on Nov. 11, 2020.
Claims priority of provisional application 63/076,981, filed on Sep. 11, 2020.
Claims priority of provisional application 62/956,353, filed on Jan. 2, 2020.
Prior Publication US 2021/0212118 A1, Jul. 8, 2021
Int. Cl. H04W 56/00 (2009.01); H04W 74/00 (2009.01); H04W 52/14 (2009.01); H04W 72/04 (2023.01); H04W 36/00 (2009.01); H04L 5/00 (2006.01); H04W 40/02 (2009.01); H04B 7/06 (2006.01); H04W 74/08 (2009.01); H04W 76/15 (2018.01)
CPC H04W 74/0816 (2013.01) [H04W 76/15 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A method, comprising: monitoring each of a first link and a second link in a multi-link operation in wireless communications, with the first link being a primary link and the second link being a secondary link;
obtaining a transmission opportunity (TXOP) on one of the first link and the second link as a result of performing a contention-based channel access on the first link and the second link; checking channel status of the first link and the other of the first link and the second link; transmitting one or more frames on the second link responsive to the TXOP being obtained on the first link; transmitting one or more frames on both the first link and the second link synchronously responsive to the channel status of the first link being idle responsive to the TXOP being obtained on the second link; and
transmitting system information in one or more management frames on the first link but not on the second link responsive to the first link being a primary link and the second link being a secondary link.