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Channel Measurements and Models for High-Speed Train Wireless Communication Systems in Tunnel Scenarios: A Survey

The rapid developments of high-speed trains (HSTs) introduce new challenges to HST wireless communication systems. Realistic HST channel models play a critical role in designing and evaluating HST communication systems. Due to the length limitation, bounding of tunnel itself, and waveguide effect, channel characteristics in tunnel scenarios are very different from those in other HST scenarios. Therefore, accurate tunnel channel models considering both large-scale and small-scale fading characteristics are essential for HST communication systems. Moreover, certain characteristics of tunnel channels have not been investigated sufficiently. This article provides a comprehensive review of the measurement campaigns in tunnels and presents some tunnel channel models using various modeling methods. Finally, future directions in HST tunnel channel measurements and modeling are discussed.

preprint2016arXivOpen access
Yu LiuAmmar GhazalCheng-Xiang WangXiaohu GeYang YangYapei Zhang
Networking and Internet Architecturemath.ITInformation Theory
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Open access6 authors3 topics
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Yu LiuAmmar GhazalCheng-Xiang WangXiaohu GeYang YangYapei Zhang

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