US 11,812,381 B2
Wideband channel access methodology and system for wireless stations
Yongho Seok, San Jose, CA (US); Chao-Chun Wang, 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 Mar. 22, 2022, as Appl. No. 17/701,604.
Application 17/701,604 is a continuation of application No. 16/208,360, filed on Dec. 3, 2018, granted, now 11,310,736.
Claims priority of provisional application 62/594,040, filed on Dec. 4, 2017.
Prior Publication US 2022/0217631 A1, Jul. 7, 2022
Int. Cl. H04W 52/02 (2009.01); H04W 88/06 (2009.01); H04W 72/0453 (2023.01); H04L 5/00 (2006.01); H04W 72/04 (2023.01); H04W 72/20 (2023.01)
CPC H04W 52/0216 (2013.01) [H04L 5/0035 (2013.01); H04W 52/0219 (2013.01); H04W 72/04 (2013.01); H04W 72/0453 (2013.01); H04W 72/20 (2023.01); H04W 88/06 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method of switching operating channels in a wireless network, the method comprising:
transmitting data to a wireless station (STA) over a primary wireless channel;
transmitting a trigger frame to the wireless STA during a TXOP over the primary wireless channel and a secondary wireless channel;
receiving a TB PPDU from the wireless STA over the secondary wireless channel responsive to the trigger frame;
configuring an operating channel for communicating with the wireless STA to the secondary wireless channel; and
transmitting data to the wireless STA over the secondary wireless channel, wherein the wireless STA switches back to communicating over the primary wireless channel after the TXOP expires.