论文信息 - Blind phase recovery in QAM communication systems using higher order statistics

Blind phase recovery in QAM communication systems using higher order statistics

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.

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