Patent ID: 11877165
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. A method implemented by a donor integrated access backhaul (IAB) node that is in communication with a first parent IAB node, a child IAB node and at least one descendant IAB node over a backhaul network, the first parent IAB node being in communication with the child IAB node and the descendant IAB node, the method comprising:
receiving a radio link failure indication from one of the at least one descendent IAB node, the radio link failure indication indicating a radio link failure between the child IAB node and the first parent IAB node, the radio link failure indication being configured to cause each descendant IAB node in an established communication path receiving the radio link failure indication to modify data transmission and remain on the established communication path to the child IAB node;
determining a second parent IAB node for the child IAB node to connect to based at least in part on the radio link failure indication; and
causing transmission of signaling to the child IAB node, the signaling indicating for the child IAB node to modify a network topology at least in part by connecting to the second parent IAB node.