US 11,936,483 B2
HARQ feedback for multicast/unicast
Arjun Bharadwaj, Cupertino, CA (US); Kapil Gulati, Belle Mead, NJ (US); Sudhir Kumar Baghel, Pleasanton, CA (US); Shailesh Patil, San Diego, CA (US); and Naga Bhushan, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Dec. 8, 2022, as Appl. No. 18/063,622.
Application 18/063,622 is a division of application No. 16/578,027, filed on Sep. 20, 2019, granted, now 11,601,228.
Claims priority of provisional application 62/738,804, filed on Sep. 28, 2018.
Prior Publication US 2023/0113638 A1, Apr. 13, 2023
Int. Cl. H04L 1/1829 (2023.01); H04L 1/1812 (2023.01); H04L 5/00 (2006.01); H04L 5/14 (2006.01)
CPC H04L 1/1861 (2013.01) [H04L 1/1812 (2013.01); H04L 1/1854 (2013.01); H04L 5/0055 (2013.01); H04L 5/14 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A method for wireless communication by a first device, comprising:
contending for use of one or more slots of a time division duplex (TDD) frame for transmitting, wherein each slot of the one or more slots includes a plurality of symbols;
transmitting at least a portion of a first packet in the one or more slots;
reserving a first feedback symbol in a first transmitting slot of the one or more slots for reception of a negative acknowledgement signal (NACK) from one or more devices; and
refraining from transmitting the first packet during the first feedback symbol of the first transmitting slot.