US 11,888,663 B2
Short packet optimization in WLAN systems
Fengjun Xi, San Diego, CA (US); Hanging Lou, Syosset, NY (US); Oghenekome Oteri, San Diego, CA (US); Nirav B. Shah, San Diego, CA (US); Robert L. Olesen, Huntington, NY (US); Yuan Sheng Jin, Santa Clara, CA (US); Pengfei Xia, San Diego, CA (US); Frank La Sita, Setauket, NY (US); and Guodong Zhang, Woodbury, NY (US)
Assigned to InterDigital Patent Holdings, Inc., Wilmington, DE (US)
Filed by InterDigital Patent Holdings, Inc., Wilmington, DE (US)
Filed on Aug. 2, 2022, as Appl. No. 17/879,416.
Application 17/879,416 is a continuation of application No. 16/450,347, filed on Jun. 24, 2019, granted, now 11,405,820.
Application 16/450,347 is a continuation of application No. 15/555,686, granted, now 10,334,475, issued on Jun. 25, 2019, previously published as PCT/US2016/021216, filed on Mar. 7, 2016.
Claims priority of provisional application 62/154,577, filed on Apr. 29, 2015.
Claims priority of provisional application 62/129,561, filed on Mar. 6, 2015.
Prior Publication US 2022/0368579 A1, Nov. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 72/121 (2023.01); H04L 1/1607 (2023.01); H04W 28/04 (2009.01); H04W 28/06 (2009.01); H04L 27/26 (2006.01); H04L 1/1829 (2023.01); H04L 5/00 (2006.01); H04L 1/00 (2006.01); H04B 7/0452 (2017.01); H04W 84/12 (2009.01)
CPC H04L 27/2602 (2013.01) [H04L 1/1614 (2013.01); H04L 1/1621 (2013.01); H04L 1/1861 (2013.01); H04L 5/0055 (2013.01); H04W 28/04 (2013.01); H04W 28/06 (2013.01); H04W 72/121 (2013.01); H04B 7/0452 (2013.01); H04L 5/0007 (2013.01); H04L 27/2603 (2021.01); H04L 27/26035 (2021.01); H04L 2001/0093 (2013.01); H04W 84/12 (2013.01)] 20 Claims
OG exemplary drawing
 
15. An access point (AP) configured for multi-user (MU) communications, the AP comprising:
a transmitter configured to transmit a downlink (DL) MU transmission;
the transmitter configured to transmit a control frame, wherein the control frame includes uplink (UL) MU response scheduling information for transmission of block acknowledgments (BAs) by a group of STAs; and
a receiver configured to receive the BAs, wherein the BAs are received at least a short interframe spacing (SIFS) interval after the received control frame as part of an MU transmission, and wherein the BAs acknowledge the received DL MU transmission.