Transceiver Optimization for MIMO Multi-Relay Systems Using Projected Gradient Approach

被引：0
|
作者：
Toding, Apriana [1 ]
Khandaker, Muhammad R. A. [2 ]
Rong, Yue [1 ]
机构：
[1] Curtin Univ, Dept Elect & Comp Engn, Bentley, WA 6102, Australia
[2] UCL, Dept EEE, London WC1E 7JE, England
来源：
2014 INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY AND ITS APPLICATIONS (ISITA) | 2014年
关键词：
MIMO relay; parallel relay network; beamforming; non-regenerative relay; projected gradient; MMSE CRITERION; JOINT SOURCE; DESIGN;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we develop the optimal source precoding matrix and relay amplifying matrices for non-regenerative multiple-input multiple-output (MIMO) relay communication systems with parallel relay nodes using the projected gradient (PG) approach. We show that the optimal relay amplifying matrices have a beamforming structure. Exploiting the structure of relay matrices, an iterative joint source and relay matrices optimization algorithm is developed to minimize the mean-squared error (MSE) of the signal waveform estimation at the destination using the PG approach. The performance of the proposed algorithm is demonstrated through numerical simulations.
引用
收藏
页码：635 / 639
页数：5
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