US 12,137,371 B2
On-demand relaying of messages for side-link communications
Tien Viet Nguyen, Bridgewater, NJ (US); Sudhir Kumar Baghel, Hillsborough, NJ (US); Kapil Gulati, Hillsborough, NJ (US); and Arjun Bharadwaj, Cupertino, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Mar. 12, 2020, as Appl. No. 16/817,448.
Claims priority of provisional application 62/830,244, filed on Apr. 5, 2019.
Prior Publication US 2020/0322839 A1, Oct. 8, 2020
Int. Cl. H04W 28/04 (2009.01); H04W 4/06 (2009.01); H04W 84/18 (2009.01); H04W 88/04 (2009.01)
CPC H04W 28/04 (2013.01) [H04W 4/06 (2013.01); H04W 84/18 (2013.01); H04W 88/04 (2013.01)] 45 Claims
OG exemplary drawing
 
1. A method for wireless communications at a first user equipment (UE), comprising:
receiving, from a second UE, control information indicating a resource for receiving a transmission of a data packet from the second UE via a first side-link;
determining a failure of the first UE to receive the data packet directly from the second UE via the first side-link;
transmitting, to at least a third UE via a second side-link, a message comprising an indication of the failure of the first UE to receive the data packet directly from the second UE, wherein the second side-link is different from the first side-link, and wherein the message comprising the indication of the failure of the first UE to receive the data packet comprises a resource reservation and one or more resources indicated by the resource reservation; and
receiving, directly from the third UE different from the second UE on the one or more resources indicated by the resource reservation and via the second side-link, the data packet in response to the message comprising the indication of the failure of the first UE to receive the data packet directly from the second UE.