A class of multimodulus algorithms (MMA(p)) optimized by an optimal step-size (OS) for blind equalization are firstly investigated in this letter. The multimodulus (MM) criterion is essentially a split cost function that separately implements the real and imaginary part of the signal, hence the phase can be recovered jointly with equalization. More importantly, the step-size leading to the minimum of the MM criterion along the search direction can be obtained algebraically among the roots of a higher-order polynomial at each iteration, thus a robust optimal step-size multimodulus algorithm (OS-MMA(p)) is developed. Experimental results demonstrate improved performance of the proposed algorithm in mitigating the inter-symbol interference (ISI) compared with the OS constant modulus algorithm (OS-CMA). Besides, the computational complexity can be reduced by the proposed OS-MMA(2) algorithm.
Liu YANG
Army Engineering University of PLA
Hang ZHANG
Army Engineering University of PLA
Yang CAI
Space Engineering University of PLA
Hua YANG
Army Engineering University of PLA
Qiao SU
Army Engineering University of PLA
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Liu YANG, Hang ZHANG, Yang CAI, Hua YANG, Qiao SU, "Robust Multimodulus Blind Equalization Algorithm with an Optimal Step Size" in IEICE TRANSACTIONS on Fundamentals,
vol. E102-A, no. 3, pp. 576-580, March 2019, doi: 10.1587/transfun.E102.A.576.
Abstract: A class of multimodulus algorithms (MMA(p)) optimized by an optimal step-size (OS) for blind equalization are firstly investigated in this letter. The multimodulus (MM) criterion is essentially a split cost function that separately implements the real and imaginary part of the signal, hence the phase can be recovered jointly with equalization. More importantly, the step-size leading to the minimum of the MM criterion along the search direction can be obtained algebraically among the roots of a higher-order polynomial at each iteration, thus a robust optimal step-size multimodulus algorithm (OS-MMA(p)) is developed. Experimental results demonstrate improved performance of the proposed algorithm in mitigating the inter-symbol interference (ISI) compared with the OS constant modulus algorithm (OS-CMA). Besides, the computational complexity can be reduced by the proposed OS-MMA(2) algorithm.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/transfun.E102.A.576/_p
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@ARTICLE{e102-a_3_576,
author={Liu YANG, Hang ZHANG, Yang CAI, Hua YANG, Qiao SU, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Robust Multimodulus Blind Equalization Algorithm with an Optimal Step Size},
year={2019},
volume={E102-A},
number={3},
pages={576-580},
abstract={A class of multimodulus algorithms (MMA(p)) optimized by an optimal step-size (OS) for blind equalization are firstly investigated in this letter. The multimodulus (MM) criterion is essentially a split cost function that separately implements the real and imaginary part of the signal, hence the phase can be recovered jointly with equalization. More importantly, the step-size leading to the minimum of the MM criterion along the search direction can be obtained algebraically among the roots of a higher-order polynomial at each iteration, thus a robust optimal step-size multimodulus algorithm (OS-MMA(p)) is developed. Experimental results demonstrate improved performance of the proposed algorithm in mitigating the inter-symbol interference (ISI) compared with the OS constant modulus algorithm (OS-CMA). Besides, the computational complexity can be reduced by the proposed OS-MMA(2) algorithm.},
keywords={},
doi={10.1587/transfun.E102.A.576},
ISSN={1745-1337},
month={March},}
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TY - JOUR
TI - Robust Multimodulus Blind Equalization Algorithm with an Optimal Step Size
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 576
EP - 580
AU - Liu YANG
AU - Hang ZHANG
AU - Yang CAI
AU - Hua YANG
AU - Qiao SU
PY - 2019
DO - 10.1587/transfun.E102.A.576
JO - IEICE TRANSACTIONS on Fundamentals
SN - 1745-1337
VL - E102-A
IS - 3
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - March 2019
AB - A class of multimodulus algorithms (MMA(p)) optimized by an optimal step-size (OS) for blind equalization are firstly investigated in this letter. The multimodulus (MM) criterion is essentially a split cost function that separately implements the real and imaginary part of the signal, hence the phase can be recovered jointly with equalization. More importantly, the step-size leading to the minimum of the MM criterion along the search direction can be obtained algebraically among the roots of a higher-order polynomial at each iteration, thus a robust optimal step-size multimodulus algorithm (OS-MMA(p)) is developed. Experimental results demonstrate improved performance of the proposed algorithm in mitigating the inter-symbol interference (ISI) compared with the OS constant modulus algorithm (OS-CMA). Besides, the computational complexity can be reduced by the proposed OS-MMA(2) algorithm.
ER -