FIELD: information technology.
SUBSTANCE: method and apparatus for performing a serving high speed downlink shared channel (HS-DSCH) cell change from a source cell to a target cell are disclosed. A radio network controller (RNC) may pre-load a wireless transmit/receive unit (WTRU) with HS-DSCH configuration for the target cell. The WTRU receives and stores the pre-loaded HS-DSCH configuration. The WTRU may start monitoring a high speed shared control channel (HS-SCCH) on the target cell using the pre-loaded HS-DSCH configuration for the target cell on the condition that a measurement report is triggered by the event ID. The WTRU may initiate a timer when the WTRU starts monitoring the HS-SCCH on the target cell and stop monitoring the HS-SCCH on the target cell upon expiry of the timer.
EFFECT: improved handover procedure.
14 cl, 3 dwg
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