DocumentCode
2130116
Title
A nonlinear modified constant modulus algorithm for blind equalization
Author
Wang, Donglin
Author_Institution
Dept. of Electr. & Comput. Eng., Univ. of Calgary, Calgary, AB, Canada
fYear
2010
fDate
2-5 May 2010
Firstpage
1
Lastpage
4
Abstract
In this paper, a nonlinear modified constant modulus algorithm (NMCMA) is proposed by applying a nonlinear transfer function (NTF) into modified constant modulus algorithm (MCMA), where the NTF makes the decision region of its cost function sharper so that NMCMA is more robust against the convergency error. The single layer in NMCMA simultaneously guarantees a comparably speedy convergency. Computer simulations show that, NMCMA achieves a lower convergency MSE than MCMA by approximately 15dB for 16-QAM symbols, by approximately 10dB for 32-QAM symbols.
Keywords
blind equalisers; quadrature amplitude modulation; NMCMA; QAM symbols; blind equalization; modified constant modulus algorithm; nonlinear modified constant modulus algorithm; nonlinear transfer function; Blind equalizers; Cost function; Indexes; Quadrature amplitude modulation; Robustness; Signal processing algorithms; Blind equalization; MCMA; NMCMA; Nonlinear transfer function (NTF);
fLanguage
English
Publisher
ieee
Conference_Titel
Electrical and Computer Engineering (CCECE), 2010 23rd Canadian Conference on
Conference_Location
Calgary, AB
ISSN
0840-7789
Print_ISBN
978-1-4244-5376-4
Electronic_ISBN
0840-7789
Type
conf
DOI
10.1109/CCECE.2010.5575240
Filename
5575240
Link To Document