Ricean K-Factor Measurements and Analysis for Wideband High-Speed Railway Channels at 2.35 GHz

被引：1
|
作者：
Zhou, Tao [1 ]
Tao, Cheng [1 ]
Liu, Liu [1 ,2 ]
Tan, Zhenhui [1 ]
机构：
[1] Beijing Jiaotong Univ, Inst Broadband Wireless Mobile Commun, Beijing 100044, Peoples R China
[2] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Jiangsu, Peoples R China
来源：
RADIOENGINEERING | 2014年 / 23卷 / 02期
关键词：
High-speed railway; Ricean K-factor; channel measurement; viaduct; U-shape cutting;
D O I：
暂无
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：
This paper presents the analysis of Ricean K-factor for wideband high-speed railway channels at 2.35 GHz, based on radio channel measurements under viaduct and U-shape cutting scenarios. We characterize the K-factor from the perspective of narrowband, wideband and delay, according to the measured channel responses. The time-frequency varying narrowband K-factors in two scenarios are analyzed and compared. A distance-based statistical narrowband K-factor model that covers the frequency variability is proposed. Then, the channel bandwidth dependent property of the wideband K-factor is investigated and we establish a simple bandwidth-based wideband K-factor model. Moreover, the K-factor for each delay bin is discussed. These results are provided for use in wireless system design and channel modeling of high-speed railway.
引用
收藏
页码：578 / 585
页数：8
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