System, apparatus, and method for cancelling interferences...

Details System, apparatus, and method for cancelling interferences... System, apparatus, and method for cancelling interferences...

2011-01-04

2011-01-04

Wang, Ted M (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S260000, C375S316000, C375S324000, C375S340000

Reexamination Certificate

active

07864901

ABSTRACT:
An apparatus and a method for cancelling an interference of each of a plurality of received signals are provided. The apparatus comprises an estimation module, an ordering module, a selection module, an equalizer, and a cancellation module. The estimation module estimates a plurality of estimated channels according to a first predetermined number of pilot-tones. The ordering module decides a decision order for processing. The selection module selects a second predetermined number of the received signals as the second predetermined number of processing signals. The equalizer estimates the estimated values, wherein each of the estimated values corresponds to a processing signal. The decision module decides a decided value for each of the estimated values. The cancellation module cancels the interference for each of the processing signals according to the corresponding decided value and the corresponding channel. Then, the estimation module further estimates the estimated channels according to the pilot-tones and a plurality of estimated values.

REFERENCES:
patent: 6614766 (2003-09-01), Seki et al.
patent: 7254197 (2007-08-01), Heo et al.
patent: 7792536 (2010-09-01), Yoon

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