Patent ID: 11877284
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method for performing integrated access and backhaul, IAB, in a cellular telecommunications network that comprises a first IAB node and a second IAB node, the method being performed by the first IAB node, the method comprising:
scheduling, in a first phase, downstream backhaul data from the first IAB node to the second IAB node; and
receiving, in a third phase, from the second IAB node, upstream backhaul data as scheduled by the second IAB node;
wherein:
the downstream backhaul data of the first phase is acknowledged or negatively acknowledged by the second IAB node in the third phase, or
the upstream backhaul data of the third phase is acknowledged or negatively acknowledged by the first IAB node in a subsequent first phase, or
both the downstream backhaul data of the first phase is acknowledged or negatively acknowledged by the second IAB node in the third phase and the upstream backhaul data of the third phase is acknowledged or negatively acknowledged by the first IAB node in the subsequent first phase.