US 11,917,542 B2
Adjustable leak guard for power save during wireless communications
Sandip Homchaudhuri, San Jose, CA (US); Steve Saed, San Diego, CA (US); Srikant Kuppa, Fremont, CA (US); Guido Robert Frederiks, Watsonville, CA (US); Lian Chen, San Jose, CA (US); Deepak Shahaji Nagawade, Fremont, CA (US); and Vishwanath Tantry, Sunnyvale, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on May 24, 2022, as Appl. No. 17/752,103.
Application 17/752,103 is a continuation of application No. 17/407,029, filed on Aug. 19, 2021, granted, now 11,350,367.
Claims priority of provisional application 63/128,972, filed on Dec. 22, 2020.
Prior Publication US 2022/0369228 A1, Nov. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 52/02 (2009.01)
CPC H04W 52/0229 (2013.01) 27 Claims
OG exemplary drawing
 
1. A wireless communication device, comprising:
an interface configured to:
provide, to an access point (AP), an indication that the wireless communication device is entering a power save mode; and
a processing system is further configured to:
enter the wireless communication device into the power save mode after providing the indication to the AP;
wake from the power save mode; and
obtain one or more physical layer protocol data units (PPDUs) from the AP after waking from the power save mode, at least one of the one or more PPDUs associated with a header including a retry field indicating that:
the AP attempted to transmit to the wireless communication device while the wireless communication device was in the power save mode; and
one or more media access control (MAC) protocol data units (MPDUs) are being resent to the wireless communication device by the AP.