Estimate Doppler shift and SNR in wireless propagations

Authors:
Jingyu Hua;Limin Meng;Zhijiang Xu;Gang Li;Kai Zhou;Kang Wang
Affiliations:
Zhejiang Provincial Key Lab. of Optical Commun., Zhejiang Univ. of Tech., Hangzhou, China and National Communication Research Laboratory, Southeast University, Nanjing, China;Zhejiang Provincial Key Lab. of Optical Commun., Zhejiang Univ. of Tech., Hangzhou, China;Zhejiang Provincial Key Lab. of Optical Commun., Zhejiang Univ. of Tech., Hangzhou, China;Zhejiang Provincial Key Lab. of Optical Commun., Zhejiang Univ. of Tech., Hangzhou, China;Zhejiang Provincial Key Lab. of Optical Commun., Zhejiang Univ. of Tech., Hangzhou, China;Zhejiang Police College, Hangzhou, China
Venue:
ICICS'09 Proceedings of the 7th international conference on Information, communications and signal processing
Year:
2009

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Abstract

This paper presents a joint estimator for Doppler shift and SNR in wireless communications, which is derived from the relation of level crossing rate (LCR) and signal-to-noise ratio (SNR) in mobile propagations. Computer simulations clearly show a good performance for our joint estimator in a wide range of SNRs and velocities.