| 摘要 |
A method of improving a random access procedure for handover in a user equipment (UE) of a wireless communication system is disclosed. The method includes steps of initiating a random access procedure for handover when performing a handover procedure (402), and repeating a random access preamble transmission when no valid random access response is received within a certain period of time or when contention of the random access procedure is considered not successful until the handover procedure succeeds or operation time of the handover procedure expires no matter whether a maximum number of the random access preamble transmission has been reached (404).
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