Patent ID: 11950150
Assignee: NOKIA TECHNOLOGIES OY
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. A method comprising:
receiving, by a user equipment, a handover command from a source network apparatus providing access for the user equipment to a communication network, the handover command indicating a target network apparatus for providing access for the user equipment to the communication network;
continue exchanging, by the user equipment, user plane data packets with the source network apparatus until the user equipment detaches from the source network apparatus;
after having received the handover command, starting, by the user equipment, a first timer for detecting that the target network apparatus cannot be accessed;
in case of having accessed the target network apparatus before the first timer expires, stopping, by the user equipment, the first timer and re-initializing a second timer applied for the source network apparatus for detecting a radio link failure to zero and applying the second timer for the target network apparatus; and
in case the second timer applied for the source network apparatus expires while the first timer is running, suppressing the radio link failure of the source network apparatus and reporting the radio link failure to the communication network while or after accessing the target network apparatus.