DocumentCode
1349283
Title
A vector constant modulus algorithm for shaped constellation equalization
Author
Yang, Vanessa Y. ; Jones, Douglas L.
Author_Institution
Coordinated Sci. Lab., Illinois Univ., Urbana, IL, USA
Volume
5
Issue
4
fYear
1998
fDate
4/1/1998 12:00:00 AM
Firstpage
89
Lastpage
91
Abstract
The constant modulus algorithm (CMA), a popular method for performing blind equalization, has the drawback of failing when the input data has a Gaussian distribution or a kurtosis larger than three. This means that source shaping (which is used to increase the shaping gain) can produce data unequalizable by CMA and other important blind equalization techniques. This paper proposes a simple extension of CMA that blindly equalizes many types of shaped constellations, including those shaped by shell mapping.
Keywords
Gaussian distribution; equalisers; signal processing; CMA; Gaussian distribution; blind equalization; input data; shaped constellation equalization; shaping gain; shell mapping; signal constellation; source shaping; vector constant modulus algorithm; Blind equalizers; Communication channels; Constellation diagram; Frequency; Gaussian distribution; Higher order statistics; Modems; Robustness; Signal processing algorithms; Timing;
fLanguage
English
Journal_Title
Signal Processing Letters, IEEE
Publisher
ieee
ISSN
1070-9908
Type
jour
DOI
10.1109/97.664175
Filename
664175
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