METHOD AND APPARATUS FOR CHANGE OF SERVING HIGH SPEED DOWNLINK SHARED CHANNEL CELL

摘要

PROBLEM TO BE SOLVED: To provide a method and apparatus for change of a serving high speed downlink shared channel (HS-DSCH) cell.

SOLUTION: A wireless transmit/receive unit (WTRU) sends a measurement report to a transmit power controller (TPC) when a signal strength of a target cell approaches a signal strength of a source cell. An RNC adds the target cell to an active set and sends pre-loaded HS-DSCH configuration information for the target cell to the WTRU. The WTRU sends another measurement report when a signal strength of the target cell exceeds that of the source cell. The WTRU monitors a high speed shared control channel (HS-SCCH) on the target cell on the basis of the pre-loaded HS-DSCH configuration information and decodes an HS-SCCH transmission. The WTRU determines whether a MAC-hs/ehs reset is required. If so, the WTRU resets a MAC-hs/ehs entity prior to receiving an HS-DSCH transmission from the target cell.

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