Method and apparatus for acquiring a pilot signal in a CDMA rece

Details Method and apparatus for acquiring a pilot signal in a CDMA rece Method and apparatus for acquiring a pilot signal in a CDMA rece

1997-02-27

2000-11-07

Hsu, Alpus H.

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

370342, 375206, 375208, H04B 7216, H04J 1304

Patent

active

061446491

ABSTRACT:
A searcher receiver (114) includes a sample buffer (202) which stores signal samples loaded using a real time clock. A real time linear sequence generator (RT LSG) (206) stores an initial state and is clocked using the real time clock. The contents of the RT LSG are loaded into a non-real time linear sequence generator (NRT LSG) (208) when sample processing begins. Samples are correlated using a non-real time clock to allow signal processing to be uncoupled from the chip rate. The analog front end (108) may be powered down or tuned to another frequency during non-real time processing.

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