Patent Number: 6,490,318

Title: Phase-compensating constant modulus algorithm

Abstract: A receiver, comprising an adaptive filter, performs blind equalization using a modified form of the constant modulus algorithm (CMA). This modified form of CMA is referred to as phase compensating CMA (PC-CMA). PC-CMA includes a phase-compensating term in the tap updating algorithm of the equalizer such that convergence to a straight constellation is achieved without the need of a rotator.

Inventors: Larsson; Patrik (Matawan, NJ), Werner; Jean-Jacques (Holmdel, NJ), Yang; Jian (Marlboro, NJ)

Assignee: Agere Systems Inc.

International Classification: H03H 21/00 (20060101); H04L 25/03 (20060101); H04L 27/00 (20060101); H03H 007/30 (); H03H 007/40 (); H03K 005/159 ()

Expiration Date: 12/03/2019