An Improved Frequency Estimator for Synchronization of PSK Signals with Large Frequency Offset
Shuai Tao, Huijie Liu, Xiao-Ting Chen, Xuwen Liang, Guodong Zhao · 2008
Focusing on the carrier frequency recovery problem of PSK signals with low SNR and large frequency offset, an improved frequency estimator was proposed. Its estimation range is as large as a half symbol rate and its accuracy is close to MCRB. The analysis are confirmed by simulation.