On the constant modulus criterion: a new algorithm

被引：0

作者：

Ikhlef, Aissa ^{[1
]}

Abed-Meraim, Karim ^{[2
]}

Le Guennec, Daniel ^{[3
]}

机构：

[1] Catholic Univ Louvain, Ecole Polytech Louvain, 2 Pl Levant, B-1348 Louvain, Belgium

[2] Telecom ParisTech, TSI Dept, F-75634 Paris, France

[3] SUPELEC, IETR, F-35576 Sevigne, France

来源：

2010 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS | 2010年

关键词：

SEPARATION; SIGNALS; ARRAY;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we propose a new iterative algorithm for the minimization of the constant modulus (CM) criterion. It is composed of two stages: Prewhitening followed by complex Givens rotations, whence the name Givens CMA (GCMA). Initially, prewhitening reduces the channel matrix into a unitary matrix. Subsequently, this unitary matrix is computed via complex Givens rotations by minimizing the CM criterion. The proposed algorithm provides similar or even better performance than the Analytical CMA (ACMA) algorithm at reduced computational cost. Some simulation results are provided to illustrate the effectiveness of the proposed algorithm.

引用

页数：5

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