| 摘要 |
A method ( 100 ) and corresponding equipment, the method for enabling a Node B/base station ( 14 ) to distinguish different states-HARQ active states and a DTX (non-transmitting) state-of a UE ( 12 ) in respect to use of the feedback HSDPA (high-speed downlink packet access) channel HS-DPCCH over which the UE ( 12 ) sends acknowledgement messages (ACK/NACK) to the Node B ( 14 ) in response to receiving packets via the HSDPA (downlink) data channel HS-DPCH, the method including steps ( 41 42 ) in which the UE ( 12 ) additionally sends preamble symbols if an acknowledgement message (ACK/NACK) is to be sent in a next time interval but not in the current time interval, and at least one postamble symbol prior to the UE ( 12 ) entering the non-transmitting state (DTX).
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