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

Claim 15:
16. The apparatus of claim 15, further configured to cause the apparatus to:
in case the first timer expires and the second timer applied for the source network apparatus has not been started, sending the connection re-establishment request to the source network apparatus without performing the random access channel access;
in case the first timer expires and the second timer applied for the source network apparatus has been started and is still running, either sending the connection re-establishment request to the source network apparatus without performing the random access channel access or performing the connection re-establishment request with the random access channel access; and
in case the second timer applied for the source network apparatus expires while the first timer has not been started, detecting the radio link failure of the source network apparatus and performing the connection re-establishment request with cell selection and the random access channel access.