Method and Apparatus for Handling a Contention-Based Random Access Procedure
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United States of America Patent
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Issued Date -
Sep 17, 2009
app pub date -
Mar 12, 2009
filing date -
Mar 14, 2008
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Abstract
A method for handling a contention-based random access procedure in a user equipment (UE) of a wireless communication system is disclosed. The method includes steps of sending a Scheduled Transmission message, which applies an HARQ (Hybrid Automatic Repeat request) process for transmission, starting a Contention Resolution Timer and monitoring a PDCCH (Physical Downlink Control Channel), and flushing a buffer of the HARQ process used for transmission of the Scheduled Transmission message when a contention result of the random access procedure is determined.
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