Design of High-Speed Railway Wireless Communication System Based on Simulink

被引：0
|
作者：
Shi, Huajie [1 ]
Xiao, Manlin [1 ]
Zheng, Qi [1 ]
机构：
[1] Shanghai Univ Engn Sci, Sch Urban Railway Transportat, Shanghai, Peoples R China
来源：
RESILIENCE AND SUSTAINABLE TRANSPORTATION SYSTEMS: PROCEEDINGS OF THE 13TH ASIA PACIFIC TRANSPORTATION DEVELOPMENT CONFERENCE | 2020年
关键词：
D O I：
暂无
中图分类号：
U [交通运输];
学科分类号：
08 ; 0823 ;
摘要：
In this paper, a high- speed railway (HSR) wireless communication system based on orthogonal frequency division multiplexing (OFDM) is built by using Simulink, and a HSR channel in viaduct scenario is established. The LS channel estimation algorithm based on pilot sequence is used to restore and calibrate signals at the receiving end. By inserting the block pilots in the time domain and the frequency domain respectively, the impacts of different pilot insertion modes on the HSR wireless communication system are studied. The experimental results show that the comb pilots can maintain good performance even when the Doppler shift is severe, which is suitable for fast fading channels.
引用
收藏
页码：466 / 473
页数：8
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