Apparatus and method for power dissipation reduction in a...

Details Apparatus and method for power dissipation reduction in a... Apparatus and method for power dissipation reduction in a...

H - Electricity

04

L

H04L 1/20 (2006.01) H04L 29/02 (2006.01)

Patent

CA 2433111

A method for reducing power dissipation within a communications system having a plurality of adaptive filters with a plurality of taps, each tap switchable between an active and an inactive state and each having a coefficient. The method involves specifying an acceptable error for the system, and setting a tap threshold for each active tap. For each active tap, those taps having a coefficient with an absolute value less than the tap threshold set for the active tap are deactivated. A system error is computed and compared to the acceptable system error. If the computed system error is less than the acceptable system error, the tap threshold for each active tap is increased. The above process is repeated until the computed system error approaches the acceptable system error without exceeding the acceptable system error.

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