Transmission scheme and capacity analysis of onboard multi-antenna system in high-speed train

被引：0
作者：
Luo, Wan-Tuan [1 ,2 ]
Fang, Xu-Ming [1 ]
Cheng, Meng [1 ]
Zhou, Xiang-Juan [1 ,3 ]
机构：
[1] Provincial Key Lab of Information Coding and Transmission, Southwest Jiaotong University
[2] College of Physics and Electronic Engineering, Guangxi University for Nationalities
[3] ZTE Corporation
来源：
Tongxin Xuebao/Journal on Communications | 2013年 / 34卷 / 03期
关键词：
Channel capacity; High-speed railway; Multi-antenna array; SIMO;
D O I：
10.3969/j.issn.1000-436x.2013.03.011
中图分类号：
学科分类号：
摘要：
Based on the three-dimensional modeling of line-of-sight SIMO (single-input multiple-output) channel for high-speed railway, which adopts uniform linear receiving array, the channel capacity of N-group receiving arrays was analyzed. The combining capacity grows but vibrates near base station and falls to Shannon capacity quickly. Instead of increasing group numbers of receiving arrays simply, stable capacity can be obtained by adjusting array parameters, grouping arrays and changing array weights among groups. The computer simulation results illustrate that proper setting would get stable channel capacity and avoid oscillation when the train is passing through the base stations.
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页码：90 / 98
页数：8
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