US 12,356,324 B2
Method and apparatus for power savings in a wireless local area network
Xiaofei Wang, Cedar Grove, NJ (US); Monisha Ghosh, Chicago, IL (US); Lei Wang, San Diego, CA (US); Nirav B. Shah, San Diego, CA (US); Guodong Zhang, Woodbury, NY (US); and Sudheer A. Grandhi, Pleasanton, CA (US)
Assigned to InterDigital Patent Holdings, Inc., Wilmington, DE (US)
Filed by InterDigital Patent Holdings, Inc., Wilmington, DE (US)
Filed on Oct. 2, 2018, as Appl. No. 16/149,215.
Application 16/149,215 is a continuation of application No. 13/785,445, filed on Mar. 5, 2013, granted, now 10,123,266.
Claims priority of provisional application 61/607,481, filed on Mar. 6, 2012.
Claims priority of provisional application 61/642,231, filed on May 3, 2012.
Claims priority of provisional application 61/645,957, filed on May 11, 2012.
Claims priority of provisional application 61/669,492, filed on Jul. 9, 2012.
Claims priority of provisional application 61/696,568, filed on Sep. 4, 2012.
Prior Publication US 2019/0037489 A1, Jan. 31, 2019
Int. Cl. H04W 52/02 (2009.01)
CPC H04W 52/0203 (2013.01) [H04W 52/0206 (2013.01); H04W 52/0219 (2013.01); Y02D 30/70 (2020.08)] 17 Claims
OG exemplary drawing
 
1. An access point (AP) comprising:
a processor operatively coupled to a transceiver, the processor and the transceiver configured to:
broadcast first power save information to at least one station (STA), the first power save information including wake-up schedule information for the at least one STA, and including a negotiation indication associated with the negotiability of the wake-up schedule information;
wherein the first power save information enables the at least one STA to enter a doze state to save power and to enter an awake state to exchange frames with the AP; and
receive, from the at least one STA, a request for second power save information, different than the first power save information, based on the negotiation indication.