DS-CDMA integration spreading coherent receiver
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United States of America Patent
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Dec 11, 2007
Grant Date -
Apr 29, 2004
app pub date -
Dec 18, 2001
filing date -
Dec 18, 2000
priority date (Note) -
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Abstract
The Spread Spectrum integration coherent receiver of the invention employs a time division multiplexing correlator bank and thus obtained coherent channel evaluator as a core. The receiver can execute initial PN synchronization, RAKE diversity coherent combination, AFC and adjacent cell search and combination receipt, and soft handoff. Further, 'part capture in parallel based on slide energy window' and 'tracking loop based on energy window barycenter' are introduced into the receiver of the invention, thereby simplifying the structure of the RAKE receiver. The receiver is capable of overcoming multipath fading, ensuring the RAKE receipt performance.
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