Method and implementation for adaptive symbol decision mapping

Details Method and implementation for adaptive symbol decision mapping Method and implementation for adaptive symbol decision mapping

2008-04-01

2008-04-01

Vo, Don N. (Department: 2611)

Pulse or digital communications

Receivers

Automatic gain control

C375S346000

Reexamination Certificate

active

07352832

ABSTRACT:
A method and implementation are disclosed for reducing signal distortion. A symbol detector is provided for establishing at least one decision boundary and assigning symbols extracted from a received signal to constellations of symbols separated by the at least one decision boundary. A quality measure implementation is provided for determining an error rate of the output of the symbol detector with respect to the at least one decision boundary. A boundary generator is provided for receiving the error rate and generating parameters that are fed back to the symbol detector to vary the decision boundary positions and shapes, so as to reduce the error rate of the symbol detector.

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patent: 2004/0184563 (2004-09-01), Bach et al.

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