High-Accuracy Carrier Frequency Offset Estimation for MPSK Signals

被引：0

作者：

Zhang, Dong-ling ^{[1
]}

Ge, Lin-dong ^{[1
]}

机构：

[1] Natl Digital Switching Syst Engn & Technol Res Ct, Zhengzhou 450002, Peoples R China

来源：

MECHANICAL ENGINEERING AND INTELLIGENT SYSTEMS, PTS 1 AND 2 | 2012年 / 195-196卷

关键词：

carrier frequency offset estimation; MPSK; window function; FFT; Energy Center Correcting Method;

D O I：

10.4028/www.scientific.net/AMM.195-196.599

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

In this paper a high accuracy estimation algorithm of carrier frequency offset for MPSK signals in Gaussian white noise is proposed. Like the conventional practice, first the algorithm employs nonlinear processing to convert the MPSK signal to single sinusoidal signal, followed by windowed FFT, and then a method based on energy center correction is used to achieve accurate estimation. Simulation results have proved the feasibility, easiness of implementation, and the performance improvements in terms of accuracy and data length needed.

引用

页码：599 / 602

页数：4

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