US 12,219,601 B2
Protocols for sidelink assisted downlink broadcast
Anantharaman Balasubramanian, San Diego, CA (US); Ravikumar V. Pragada, Warrington, PA (US); and Nagi Mahalingam, San Diego, CA (US)
Assigned to InterDigital Patent Holdings, Inc., Wilmington, DE (US)
Filed by InterDigital Patent Holdings, Inc., Wilmington, DE (US)
Filed on Nov. 13, 2023, as Appl. No. 18/508,027.
Application 18/508,027 is a continuation of application No. 16/977,708, granted, now 11,818,757, previously published as PCT/US2019/020279, filed on Mar. 1, 2019.
Claims priority of provisional application 62/637,715, filed on Mar. 2, 2018.
Prior Publication US 2024/0090028 A1, Mar. 14, 2024
Int. Cl. H04W 4/00 (2018.01); H04L 1/1607 (2023.01); H04L 5/00 (2006.01); H04W 4/08 (2009.01); H04W 72/23 (2023.01); H04W 74/0808 (2024.01); B64U 101/64 (2023.01); H04W 92/18 (2009.01)
CPC H04W 74/0808 (2013.01) [H04L 1/1621 (2013.01); H04L 5/0055 (2013.01); H04W 4/08 (2013.01); H04W 72/23 (2023.01); B64U 2101/64 (2023.01); H04W 92/18 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A method for use in a wireless transmit/receive unit (WTRU), the method comprising:
receiving one or more downlink transmissions from a base station, wherein the one or more downlink transmissions are transmitted to a group of WTRUs that includes the WTRU;
receiving information from at least one other WTRU of the group of WTRUs including status information associated with packets of the one or more downlink transmissions; and
transmitting, on a condition the WTRU has a highest transmission priority among WTRUs of the group of WTRUs, a groupcast negative acknowledgement (gNACK), wherein the gNACK includes the status information associated with the packets of the one or more downlink transmissions.