Title :
An Improved Frequency Estimator for Synchronization of PSK Signals with Large Frequency Offset
Author :
Tao, Shuai ; Liu Hui-Jie ; Chen Xiao-Ting ; Liang Xu-Wen ; Zhao Guo-Dong
Author_Institution :
Micro-satellite State Key Joint Lab., Chinese Acad. of Sci., Shanghai
Abstract :
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.
Keywords :
frequency estimation; phase shift keying; synchronisation; PSK; carrier frequency recovery; frequency estimator; frequency offset; modified Cramer-Rao bounds; phase shift keying; Analytical models; Frequency estimation; Frequency synchronization; Matched filters; Phase estimation; Phase shift keying; Smoothing methods; State estimation; Timing; Yield estimation;
Conference_Titel :
Wireless Communications, Networking and Mobile Computing, 2008. WiCOM '08. 4th International Conference on
Conference_Location :
Dalian
Print_ISBN :
978-1-4244-2107-7
Electronic_ISBN :
978-1-4244-2108-4
DOI :
10.1109/WiCom.2008.406
