US 12,245,322 B2
Methods, architectures, apparatuses and systems for performing discontinuous reception on sidelink
Martino Freda, Laval (CA); Tuong Hoang, Montreal (CA); Tao Deng, New York, NY (US); Moon Il Lee, Melville, NY (US); and Paul Marinier, Brossard (CA)
Assigned to INTERDIGITAL PATENT HOLDINGS, INC., Wilmington, DE (US)
Filed by INTERDIGITAL PATENT HOLDINGS, INC., Wilmington, DE (US)
Filed on Jun. 18, 2024, as Appl. No. 18/747,229.
Application 18/747,229 is a continuation of application No. 18/280,736, previously published as PCT/US2022/019498, filed on Mar. 9, 2022.
Claims priority of provisional application 63/159,792, filed on Mar. 11, 2021.
Claims priority of provisional application 63/185,747, filed on May 7, 2021.
Prior Publication US 2024/0414809 A1, Dec. 12, 2024
Int. Cl. H04W 76/28 (2018.01); H04W 76/23 (2018.01)
CPC H04W 76/28 (2018.02) [H04W 76/23 (2018.02)] 15 Claims
OG exemplary drawing
 
1. A first wireless transmit/receive unit (WTRU), for a sidelink between the first WTRU and a second WTRU, the first WTRU comprising circuitry, including a transmitter, a receiver, a processor, and memory, configured to:
receive, from the second WTRU, sidelink control information comprising: (1) first information indicating at least a first transmission resource reserved for an initial transmission and (2) second information indicating if at least one second transmission resource is reserved for a sidelink retransmission of the initial transmission;
determine a timer value for a hybrid automatic repeat request (HARQ) round trip time (RTT) timer associated with a sidelink process, wherein
on condition that a HARQ feedback is enabled for an associated sidelink process, the timer value is determined to be a first value, and wherein
on condition that the HARQ feedback is disabled for the associated sidelink process, the timer value is determined to be a second value; and
start the HARQ RTT timer associated with the sidelink process, wherein
on condition that the second information indicates that at least one second transmission resource is reserved for the sidelink retransmission, the HARQ RTT timer is started in a first time slot, and wherein
on condition that the second information indicates that no second transmission resource is reserved for the sidelink retransmission, the HARQ RTT timer is started in a second time slot.