Method for controlling transmission power of HS-SCCH in UMTS system
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United States of America Patent
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Apr 14, 2009
Grant Date -
Jun 19, 2003
app pub date -
Nov 15, 2002
filing date -
Nov 16, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A method for controlling a power of a shared control channel for high speed downlink shared channel (HS-SCCH) in a system adopting a high speed downlink packet access (HSDPA) technique is disclosed, which can control power of HS-SCCH by using the DPCH channel configured in each UE. Especially, by transmitting power of each sub-frame suitably for each UE, and by setting suitable transmission power of HS-SCCH according to whether it is in soft handover and according to whether it is a primary cell in soft handover, an inter-cell interference can be reduced and power of the base station can be effectively used.
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