Channel quality estimation method and receiving apparatus
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United States of America Patent
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Oct 20, 2009
Grant Date -
Oct 27, 2005
app pub date -
Apr 21, 2005
filing date -
Apr 26, 2004
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Abstract
Channel quality can be detected accurately in a wireless transmission system such as an HSDPA method.In the case of estimating a channel quality of a signal transmitted by a Code Division Multiple Access method and of estimating the channel quality in a system having a synchronization channel not orthogonal to a channel receiving data, a noise component of a desired channel is estimated; degree of a noise component caused by the synchronization channel is estimated with respect to the estimated noise; and a channel quality of a receiving channel is detected based on the estimated degree of the noise component.
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