US 11,742,993 B2
Collision indication for sidelink groupcast with HARQ option 2
Lianghai Ji, Aalborg (DK); Prajwal Keshavamurthy, Munich (DE); Vinh Van Phan, Oulu (FI); Ling Yu, Kauniainen (FI); Nuno Manuel Kiilerich Pratas, Gistrup (DK); Daniel Medina, Munich (DE); and Torsten Wildschek, Gloucester (GB)
Assigned to Nokia Technologies Oy, Espoo (FI)
Filed by Nokia Technologies Oy, Espoo (FI)
Filed on May 10, 2021, as Appl. No. 17/315,976.
Prior Publication US 2022/0360371 A1, Nov. 10, 2022
Int. Cl. H04L 1/1812 (2023.01); H04L 1/1867 (2023.01); H04W 76/11 (2018.01); H04L 1/1829 (2023.01); H04W 92/18 (2009.01)
CPC H04L 1/1819 (2013.01) [H04L 1/1812 (2013.01); H04L 1/1854 (2013.01); H04L 1/1896 (2013.01); H04W 76/11 (2018.02); H04W 92/18 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus comprising:
at least one processor; and
at least one non-transitory memory including computer program code;
the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to:
determine a group member identifier of at least one user equipment that has performed transmission;
determine at least one physical sidelink feedback channel resource based, at least partially, on the determined group member identifier; and
transmit, with the at least one determined physical sidelink feedback channel resource to the at least one user equipment that has performed transmission, an indication of a resource conflict associated with the at least one user equipment, wherein the indication of the resource conflict comprises a physical sidelink feedback channel sequence.