A BEM Method of Channel Estimation for OFDM Systems in High-Speed Train Environment

被引：0
|
作者：
Sheng, Zhichao [1 ]
Fang, Yang [1 ]
Wang, Chen [1 ]
机构：
[1] Shanghai Univ, Sch Commun & Informat Engn, Shanghai 200041, Peoples R China
来源：
2013 INTERNATIONAL WORKSHOP ON HIGH MOBILITY WIRELESS COMMUNICATIONS (HMWC) | 2013年
关键词：
Channel estimation; OFDM; basis expansion model (BEM); high-speed train;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper investigates the channel estimation problem of Orthogonal Frequency Division Multiplexing (OFDM) systems in high-speed train environment. The OFDM channel in the high-speed train environment is modeled by using basis expansion model (BEM). The estimation problem of the channel impulse response and Doppler frequency offset are studied. In the simulation, the modeling performances of different bases are compared. The estimation results of the channel impulse response and Doppler frequency offset show the effectiveness of this method in the high-speed train environment.
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页数：4
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