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Blind phase recovery in QAM communication systems using higher order statistics

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3 Author(s)
Chen, L. ; Dept. of Electr. & Electron. Syst., Osaka Prefecture Univ., Japan ; Kusaka, H. ; Kominami, M.

We present a method for phase recovery in QAM communication systems based on higher order statistics. Under the assumption that the QAM signals have independent, identically distributed (i.i.d.) in-phase and quadrature components, we derive the relation between the phase error and the fourth-order cumulant of the output. Numerical performance of the approach is demonstrated by computer simulation.

Published in:

Signal Processing Letters, IEEE  (Volume:3 ,  Issue: 5 )

Date of Publication:

May 1996

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