Patent ID: 11968578
Assignee: QUALCOMM INCORPORATED
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An apparatus for wireless communication, comprising:
a transceiver;
a memory configured to store instructions; and
one or more processors communicatively coupled with the memory and the transceiver, wherein the one or more processors are configured to execute the instructions to cause the apparatus to:
receive, by a mobile termination (MT) function, a first indication to migrate from a first IAB donor node that serves the apparatus via a first cell group provided by a first central unit (CU) to a second IAB donor node for serving the apparatus via a second cell group provided by a second CU;
perform, based at least in part on receiving the first indication, a first random access procedure to connect to the second cell group associated with the second IAB donor node;
establish, in addition to a first distributed unit (DU) function of the apparatus that provides a third cell group for serving one or more child nodes and based on performing the first random access procedure, a second DU function of the apparatus that provides a fourth cell group for serving the one or more child nodes; and
trigger, based on establishing the second DU function, a second random access procedure for a child node to migrate from the third cell group provided by the first DU function to be served by the fourth cell group provided by the second DU function.