Pilot signals for synchronization and/or channel estimation
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United States of America Patent
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-
Jan 5, 2010
Grant Date -
Aug 6, 2009
app pub date -
Mar 5, 2009
filing date -
Mar 15, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
The frame words of the embodiments are suitable for frame synchronization and/or channel estimation. By adding the autocorrelation and/or cross-correlation functions of frame words, double maximum values equal in magnitude and opposite polarity at zero and middle shifts are obtained. This property can be used to slot-by-slot, double-check frame synchronization timing, single frame synchronization and/or channel estimation and allows reduction of the synchronization search time. Further, the present invention allows a simpler construction of a correlator circuit for a receiver. A frame synchronization apparatus and method using an optimal pilot pattern is used in a wide band code division multiple Access (W-CDMA) next generation mobile communication system.
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