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Tracking Performance of Two Constant Modulus Equalizers

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4 Author(s)
Shafayat Abrar ; Department of Electrical Engineering, COMSATS Institute of Information Technology, Islamabad, Pakistan ; Anum Ali ; Azzedine Zerguine ; Asoke K. Nandi

Exploiting the error variance relation, this letter discusses the evaluation of excess mean square error (EMSE) of constant modulus equalizers in a noise-free non-stationary environment. The EMSE analyses are presented for two equalizers - the CMA22 and the βCMA. Simulation results show a close match in theoretical and simulated errors for both algorithms.

Published in:

IEEE Communications Letters  (Volume:17 ,  Issue: 5 )