Influence of synchronization errors on the noise immunity of receiving multi-position M-PSK and M-QAM signals

2020 Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO) Pub Date : 2020-07-01 DOI:10.1109/SYNCHROINFO49631.2020.9166034

G. Kulikov, Nguyen Van Dung, V. Kulagin, A. A. Lelyukh

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引用次数: 1

Abstract

The purpose of the work is a comparative analysis of the influence of synchronization errors, namely, the errors of the carrier phase estimation and the errors of the clock synchronization system on the noise immunity of coherent receiving of signals with multi-position phase-shift keying and quadrature amplitude modulation. Using the method of statistical radio engineering, analytical expressions are obtained that allow calculating the probabilities of a bit error with static errors in estimating the phase and clock moments. It was shown that the inaccuracy in the estimation of these parameters strongly affected the noise immunity of the coherent receiving of multi-position phase-shift keying and quadrature amplitude modulation signals; with an increase in the positioning of the signals, this effect increases, and it is more pronounced for a multi-position phase-shift keying receiver. The permissible errors in estimating the phase of the carrier and clock moments for signals of different positioning are determined.

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同步误差对接收多位置M-PSK和M-QAM信号抗噪性的影响

本工作的目的是比较分析同步误差，即载波相位估计误差和时钟同步系统误差对多位置移相键控和正交调幅信号相干接收的抗噪性的影响。利用统计无线电工程的方法，得到了在估计相位和时钟矩时具有静态误差的误码概率的解析表达式。结果表明，这些参数估计的不准确性严重影响了多位置相移键控和正交调幅信号相干接收的抗噪性;随着信号位置的增加，这种效应增加，并且对于多位置相移键控接收机更为明显。确定了对不同定位信号估计载波相位和时钟矩的允许误差。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2020 Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO)

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