Optimal Source and Relay Design for Multiuser MIMO AF Relay Communication Systems With Direct Links and Imperfect Channel Information

被引：12
|
作者：
He, Zhiqiang [1 ]
Zhang, Xiaonan [1 ]
Bi, Yunqiang [1 ]
Jiang, Weipeng [1 ]
Rong, Yue [2 ]
机构：
[1] Beijing Univ Posts & Telecommun, Minist Educ, Key Lab Universal Wireless Commun, Beijing 100876, Peoples R China
[2] Curtin Univ, Dept Elect & Comp Engn, Bentley, WA 6102, Australia
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2016年 / 15卷 / 03期
基金：
国家高技术研究发展计划(863计划); 澳大利亚研究理事会; 中国国家自然科学基金;
关键词：
Multiuser; MIMO relay; robust; channel state information; direct link; TRANSCEIVER DESIGN; OPTIMIZATION; PRECODER;
D O I：
10.1109/TWC.2015.2497683
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：
In this paper, we propose statistically robust design for multiuser multiple-input multiple-output (MIMO) relay systems with direct source-destination links and imperfect channel state information (CSI). The minimum mean-squared error (MMSE) of the signal waveform estimation at the destination node is adopted as the design criterion. We develop two iterative methods to solve the nonconvex joint source, relay, and receiver optimization problem. Simulation results demonstrate the improved robustness of the proposed algorithms against CSI errors.
引用
收藏
页码：2025 / 2038
页数：14
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