Channel gain estimation in a rake receiver using complex...

Details Channel gain estimation in a rake receiver using complex... Channel gain estimation in a rake receiver using complex...

2006-02-07

2006-02-07

Chin, Stephen (Department: 2634)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S140000, C375S142000, C375S144000, C375S147000, C375S226000, C375S340000, C375S344000, C370S342000, C370S500000, C370S479000

Reexamination Certificate

active

06996160

ABSTRACT:
A channel estimation method which reduces the strain on resources of a Rake receiver using a complex weight gain (CWG) algorithm. In one embodiment, a non-adaptive algorithm is used to average blocks of pilot symbols from several slots. In another embodiment, an adaptive algorithm implements sliding window averaging or a recursive filter. Using a CWG algorithm reduces the memory and processor requirements of the Rake receiver.

REFERENCES:
patent: 6363102 (2002-03-01), Ling et al.
patent: 6393073 (2002-05-01), Eilts
patent: 2001/0021236 (2001-09-01), Song
patent: 2002/0163956 (2002-11-01), Seo et al.
patent: 2002/0191578 (2002-12-01), Bachl et al.
patent: 2003/0147456 (2003-08-01), Kumura
patent: WO0336760 (2003-11-01), None

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