Method and apparatus for interference cancellation in a rake...

Details Method and apparatus for interference cancellation in a rake... Method and apparatus for interference cancellation in a rake...

2005-01-11

2005-01-11

Ghebretinsae, Temesghen (Department: 2637)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S343000

Reexamination Certificate

active

06842479

ABSTRACT:
Systems and methods for despreading received spread spectrum signals are described. Despreading can be performed using both channel estimates and impairment correlation estimates. Techniques for selecting delays of interest are also described, along with a despreading mechanism which saves power by operating only on delays of interest.

REFERENCES:
patent: 5237586 (1993-08-01), Bottomley
patent: 5572552 (1996-11-01), Dent et al.
patent: 5677930 (1997-10-01), Bottomley
patent: 5680419 (1997-10-01), Bottomley
patent: 5768306 (1998-06-01), Sawahashi et al.
patent: 6363105 (2002-03-01), Sourour et al.

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