Phase offset in CMA and MMA soft switching blind equalization schemes — a comparative study

Author

Dziwoki, Grzegorz

Author_Institution

Inst. of Electron., Silesian Univ. of Technol., Gliwice, Poland

fYear

2010

fDate

7-10 Sept. 2010

Firstpage

93

Lastpage

96

Abstract

The paper presents simulation analyses of the CMA and the MMA blind equalization methods in the presence of a constant phase offset. A soft switching mechanism between a blind mode and the decision-directed (DD) one is applied for reduction of linear distortion in communication system. The performed experiments have the form of a comparative study of two closely related blind equalization methods working in an exemplary single carrier transmission system with square QAM modulation. Influence of a phase offset on equalization performance and the functionality of the switch procedure are examined.

Keywords

blind equalisers; distortion; quadrature amplitude modulation; constant modulus algorithm soft switching blind equalization scheme; constant phase offset; decision-directed mode; exemplary single carrier transmission system; linear distortion reduction; multimodulus algorithm soft switching blind equalization scheme; square QAM modulation; Blind equalizers; Convergence; Phase distortion; Receivers; Steady-state; Switches; Synchronization;

fLanguage

English

Publisher

ieee

Conference_Titel

Signals and Electronic Systems (ICSES), 2010 International Conference on

Conference_Location

Gliwice

Print_ISBN

978-1-4244-5307-8

Electronic_ISBN

978-83-9047-4-2

Type

conf

Filename

5595244