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Radio Environment Map-Aided Doppler Shift Estimation in LTE Railway

文献类型：期刊论文

作者Hou, Zhanwei1,3; Zhou, Yiqing1,2; Tian, Lin1; Shi, Jinglin1; Li, Yonghui3; Vucetic, Branka3
刊名IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
出版日期2017-05-01
卷号66期号:5页码:4462-4467
关键词Doppler shift estimation high-speed railway long-term evolution (LTE) maximum a posteriori (MAP) orthogonal frequency division multiplexing (OFDM)
ISSN号0018-9545
DOI10.1109/TVT.2016.2599558
英文摘要Due to the highmobility of high-speed trains (HSTs), Doppler shift estimation has been a big challenge for HSTs. In this paper, we consider an orthogonal frequency-division multiplexing (OFDM) system based on the long-term evolution (LTE) railway standard and design the novel Doppler shift estimation algorithm. By exploiting features of HSTs, i.e., regular and repetitive routes and timetables, resulting in a predictable Doppler shift curve, a radio environment map (REM) including the Doppler shift information can be constructed via field tests. Based on REM, a maximum a posteriori estimator (MAPE) is proposed to provide an accurate estimation of Doppler shift. It uses the estimation from REM (REME) as a priori knowledge and exploits the cyclic prefix (CP) structure of OFDM to provide a maximum a posteriori estimation. The Cramer-Rao lower bounds (CRLBs) are derived. The performance of MAPE is evaluated via simulations and compared to that of REME, the classical CP-based estimator, and other existing methods. It is shown that MAPE significantly outperforms the existing methods in terms of both estimation mean square error (MSE) and bit error rate.
资助项目Beijing Talents fund[2015000021223ZK31] ; National Natural Science Foundation of China[61571425] ; Australian Research Council[DP150104019] ; Australian Research Council[FT120100487] ; Faculty of Engineering and Information Technologies, The University of Sydney, under the Faculty Research Cluster Program
WOS研究方向Engineering ; Telecommunications ; Transportation
语种英语
WOS记录号WOS:000401339700078
出版者IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
源URL[http://119.78.100.204/handle/2XEOYT63/7202]  
专题中国科学院计算技术研究所期刊论文_英文
通讯作者Zhou, Yiqing
作者单位1.Chinese Acad Sci, Inst Comp Technol, Beijing Key Lab Mobile Comp & Pervas Device, Beijing 100864, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Univ Sydney, Ctr Excellence Telecommun, Sch Elect & Informat Engn, Sydney, NSW 2006, Australia
推荐引用方式
GB/T 7714		 Hou, Zhanwei,Zhou, Yiqing,Tian, Lin,et al. Radio Environment Map-Aided Doppler Shift Estimation in LTE Railway[J]. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY,2017,66(5):4462-4467.
APA Hou, Zhanwei,Zhou, Yiqing,Tian, Lin,Shi, Jinglin,Li, Yonghui,&Vucetic, Branka.(2017).Radio Environment Map-Aided Doppler Shift Estimation in LTE Railway.IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY,66(5),4462-4467.
MLA Hou, Zhanwei,et al."Radio Environment Map-Aided Doppler Shift Estimation in LTE Railway".IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 66.5(2017):4462-4467.

入库方式： OAI收割

来源：计算技术研究所

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