HANDLING OF UPLINK LISTEN-BEFORE-TALK FAILURES FOR HANDOVER

摘要

The invention relates to a method in a user equipment, UE, for performing handover to a target cell in a wireless network, the method comprising performing (1340) a first random-access, RA, procedure in first RA resources of the target cell, in response to failure of the first RA procedure, refraining (1350) from declaring a radio link failure, RLF, for the target cell and performing a second RA procedure in second RA resources of the target cell that are different from the first RA resources; and declaring (1370) a RLF for the target cell based on failure of the first RA procedure and a failure of the second RA procedure, or an expiration of a timer before successful completion of the second RA procedure; the invention further relates to a UE implementing the method, to a corresponding method in a network node and a network node implementing the method.