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Does Fractionally-Spaced CMA converge faster than LMS? | IEEE Conference Publication | IEEE Xplore

Does Fractionally-Spaced CMA converge faster than LMS?


Abstract:

This paper addresses the convergence rate study of the Fractionally-Spaced Equalizer updated by Constant Modulus Algorithm (FSE-CMA). By analyzing the average algorithm b...Show More

Abstract:

This paper addresses the convergence rate study of the Fractionally-Spaced Equalizer updated by Constant Modulus Algorithm (FSE-CMA). By analyzing the average algorithm behavior we compare the FSE-CMA to the FSE-LMS. Although the FSE-CMA is based on a fourth order statistics criterion, we will show for constant modulus input that the algorithm has the amazing property to converge locally twice as fast as FSE-LMS (which requires a training sequence). Furthermore, we will show that the global FSE-CMA transient behavior convergence is accomplished in two steps.
Date of Conference: 10-13 September 1996
Date Added to IEEE Xplore: 27 April 2015
Print ISBN:978-888-6179-83-6
Conference Location: Trieste, Italy

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