相位未知信道上PSK的自适应逐符号接收

P. Kam, K. Chua, Xiaofeng Yu
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引用次数: 0

摘要

提出了一种适用于载波相位未知的高斯信道相移键控(PSK)的自适应符号-符号接收机。除了载波相位是缓慢变化的这一事实外,假定载波相位的统计特性对于接收器是未知的,因此可以进行分段常数近似。基于接收到的信号样本,使用增益在线调整的一阶滤波器获得检测的相干参考。通过分析和仿真对接收机的性能进行了分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Adaptive symbol-by-symbol reception of PSK on channels with unknown phase
We propose an adaptive symbol-by-symbol receiver for phase shift-keying (PSK) over the Gaussian channel with unknown carrier phase. The statistical properties of the carrier phase are assumed unknown to the receiver, other than the fact that it is slowly varying so that a piecewise-constant approximation can be made. The coherent reference for detection is obtained using a first-order filter whose gain is adapted on-line, based on the received signal samples. The performance of the receiver is analyzed both via analysis and simulations.
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