Finite-State Markov Modeling for High-Speed Railway Fading Channels

被引：52

作者：

Lin, Siyu ^{[1
]}

Kong, Linghe ^{[2
]}

He, Liang ^{[3
]}

Guan, Ke ^{[4
]}

Ai, Bo ^{[4
]}

Zhong, Zhangdui ^{[4
]}

Briso-Rodriguez, Cesar ^{[5
]}

机构：

[1] Beijing Jiaotong Univ, Sch Elect & Informat Engn, Beijing, Peoples R China

[2] Shanghai Jiao Tong Univ, Shanghai 200030, Peoples R China

[3] Univ Michigan, Ann Arbor, MI 48109 USA

[4] Beijing Jiaotong Univ, State Key Lab Rail Traff Control & Safety, Beijing, Peoples R China

[5] Univ Politecn Madrid, E-28040 Madrid, Spain

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2015年 / 14卷

基金：

中国国家自然科学基金; 美国国家科学基金会;

关键词：

Fast time-varying fading channels; finite-state Markov chain; high-speed railway communications;

D O I：

10.1109/LAWP.2015.2388701

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Developing an accurate and mathematically tractable high-speed railway (HSR) channel model is a key issue to provide reliable, cost-effective wireless services for the HSR operators and users. Although finite-state Markov chain (FSMC) has been extensively investigated to describe fading channels, most of FSMC channel models are designed based on the first-order Markov chain, which are no longer valid when the transceivers operate in high mobility scenarios, specially in HSR communications. In this letter, an advanced FSMC channel model for HSR is proposed, which incorporates the impacts of moving speed on the temporal channel statistical characteristic. The closed-form expressions of state transition probabilities between channel states are derived. The accuracy of the proposed FSMC channel model is validated via extensive measurements conducted on the Zhengzhou-Xi'an HSR line in China.

引用

页码：954 / 957

页数：4

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