Doppler Shift Estimation for Low Signal-noise-ratio Environment in Mobile Communication Systems

被引：0
|
作者：
Hua, Jingyu [1 ]
Bao, Junhua [1 ]
Xu, Zhijiang [1 ]
Meng, Limin [1 ]
Li, Gang [1 ]
机构：
[1] Zhejiang Univ Technol, Coll Informat Engn, Hangzhou 310032, Zhejiang, Peoples R China
来源：
2008 4TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-31 | 2008年
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A novel iterative Doppler shift estimator is proposed in this letter for the Doppler shift estimation in very low signal-noise-ratio (SNR) environment. The proposed method exploits the logarithm envelope (LE) of the mobile propagation channel, and iteratively finds the minimum mean square error (MMSE) estimation of the Doppler shift. Extensive simulation results conducted under a wide range of the noise corruption clearly show that our proposed Doppler shift estimation method substantially outperforms all existing estimators.
引用
收藏
页码：1897 / 1900
页数：4
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