Method and system for low complexity conjugate gradient...

Details Method and system for low complexity conjugate gradient... Method and system for low complexity conjugate gradient...

2011-08-16

2011-08-16

Wang, Ted M (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S229000, C375S233000, C375S316000, C375S346000, C375S232000

Reexamination Certificate

active

08000424

ABSTRACT:
A method for processing signals includes, in a wireless system comprising one or more processors and/or circuits integrated within a single chip, initializing values related to at least one channel response vector and at least one correlation vector using a conjugate gradient-based (CG) algorithm. A plurality of filter taps may be updated utilizing at least one channel response vector and at least one correlation vector, for a plurality of received clusters, based on the initialized values and at least one signal-to-noise ratio (SNR) for the received signal clusters. At least a portion of the received signal clusters may be filtered utilizing at least a portion of the updated plurality of filter taps. The updating may be repeated whenever a specified signal-to-noise ratio (SNR) for the received clusters is reached. The initialized values may be updated during a plurality of iterations.

REFERENCES:
patent: 5946351 (1999-08-01), Ariyavisitakul et al.
patent: 7130342 (2006-10-01), Buckley et al.
patent: 7359734 (2008-04-01), Ylitalo
patent: 2006/0072449 (2006-04-01), Kent

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