Capacity analysis for multiple-input multiple-output relay system in a low-rank line-of-sight environment

被引：2
|
作者：
Zhao, Y. [1 ]
Huang, L. [1 ]
Chi, T-Y. [2 ]
Kuo, S-Y. [2 ]
Yao, Y. [1 ,3 ]
机构：
[1] Xiamen Univ, Dept Commun Engn, Xiamen 361005, Fujian, Peoples R China
[2] Natl Taiwan Univ, Dept Elect Engn, Taipei 10764, Taiwan
[3] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
IET COMMUNICATIONS | 2012年 / 6卷 / 06期
基金：
中国国家自然科学基金;
关键词：
MIMO; DESIGN;
D O I：
10.1049/iet-com.2011.0660
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 article focuses on channel model and capacity of multiple-input multiple-output (MIMO) relay system in a low-rank line-of-sight environment. According to the channel characteristics of MIMO and the correlations among antenna arrays, the expression for system capacity is deduced. Various factors influencing MIMO relay system are analysed based on this expression, and the numerical simulation is performed for verification. The simulation results show that system capacity is greatly increased by adding relay nodes. However, the antenna array spacing and angle at the transmitting and receiving ends, relay node position, Rice K-factor and other factors can all produce certain effects on the capacity of MIMO relay system.
引用
收藏
页码：668 / 675
页数：8
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