Simultaneous plural code series generator and CDMA radio receiver using same
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United States of America Patent
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-
Apr 27, 2004
Grant Date -
Dec 5, 2002
app pub date -
Jun 21, 2002
filing date -
Nov 19, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A CDMA radio receiver includes a plurality of reception fingers for effecting a dispreading of a received signal with a plurality of spread codes to derive received data. The receiver includes a plural code generator for simultaneously generating and supplying spread codes to the plurality of reception fingers, and a controller for designating a plurality of spread codes which are to be generated and supplied to the plural code series generator and for specifying to which finger they are to be supplied. The plural code series generator includes a shift register having a plurality of shift stages in which a first initial value is loaded by the controller and adapted to be subject to a shift operation in synchronism with a clock.
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