US 11,812,439 B2
Rescheduling in integrated access fronthaul networks
Muhammad Nazmul Islam, Littleton, MA (US); Navid Abedini, Basking Ridge, NJ (US); Ashwin Sampath, Skillman, NJ (US); and Junyi Li, Franklin Park, NJ (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Feb. 10, 2021, as Appl. No. 17/172,274.
Prior Publication US 2022/0256582 A1, Aug. 11, 2022
Int. Cl. H04W 72/23 (2023.01); H04L 5/00 (2006.01); H04W 72/1273 (2023.01); H04W 72/21 (2023.01); H04W 72/50 (2023.01)
CPC H04W 72/23 (2023.01) [H04L 5/0055 (2013.01); H04W 72/1273 (2013.01); H04W 72/21 (2023.01); H04W 72/535 (2023.01)] 25 Claims
OG exemplary drawing
 
1. A method of wireless communication performed by a relay/repeater unit (RU), the method comprising:
receiving, from an upstream node, a first physical downlink control channel (PDCCH) message associated with a scheduled physical uplink control or shared channel (PUXCH) transmission from a downstream node at a scheduled time;
relaying or repeating the first PDCCH message to the downstream node;
upon determining that the scheduled PUXCH transmission associated with the first PDCCH message was not received from the downstream node at the scheduled time, sending a negative acknowledgement (NACK) message associated with the scheduled PUXCH transmission to the upstream node;
receiving, from the upstream node in response to the NACK message, a second PDCCH message associated with a rescheduled PUXCH transmission at a rescheduled time; and
relaying or repeating the second PDCCH message to the downstream node.