3D non-stationary wideband circular tunnel channel models for high-speed train wireless communication systems

被引：0
作者：
Yu Liu
Cheng-Xiang Wang
Carlos Lopez
Xiaohu Ge
机构：
[1] Shandong University,Shandong Provincial Key Lab of Wireless Communication Technologies
[2] Heriot-Watt University,Institute of Sensors, Signals and Systems, School of Engineering & Physical Sciences
[3] Huazhong University of Science and Technology,Department of Electronics and Information Engineering
来源：
Science China Information Sciences | 2017年 / 60卷
关键词：
non-stationary; statistical properties; tunnel channel model; GBSM; channel measurement;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper proposes three-dimensional (3D) non-stationary wideband circular geometry-based stochastic models (GBSMs) for high-speed train (HST) tunnel scenarios. Considering single-bounced (SB) and multiple-bounced (MB) components from the tunnel’s internal surfaces, a theoretical channel model is first established. Then, the corresponding simulation model is developed using the method of equal volume (MEV) to calculate discrete angular parameters. Based on the proposed 3D GBSMs, important time-variant statistical properties are investigated, such as the temporal autocorrelation function (ACF), spatial cross-correlation function (CCF), and space-Doppler (SD) power spectrum density (PSD). Results indicate that all statistical properties of the simulation model, verified by simulation results, can match well those of the theoretical model. The statistical properties of the proposed 3D GBSMs are further validated by relevant measurement data, demonstrating the flexibility and utility of our proposed tunnel GBSMs.
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