BLIND ESTIMATION OF MIMO RELAY CHANNELS

被引：0

作者：

Chiong, Choo W. R. ^{[1
]}

Rong, Yue ^{[1
]}

Xiang, Yong ^{[2
]}

机构：

[1] Curtin Univ, Dept Elect & Comp Engn, Bentley, WA 6102, Australia

[2] Deakin Univ, Sch Informat Technol, Melbourne, Vic 3125, Australia

来源：

2014 IEEE WORKSHOP ON STATISTICAL SIGNAL PROCESSING (SSP) | 2014年

关键词：

Blind channel estimation; MIMO relay; Z-domain; constant modulus; mutual information;

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：

In this paper, we integrate two blind source separation (BSS) methods to estimate the individual channel state information (CSI) for the source-relay and relay-destination links of three-node two-hop multiple-input multiple-output (MIMO) relay systems. In particular, we propose a first-order Z-domain precoding technique for the blind estimation of the relay-destination channel matrix, while an algorithm based on the constant modulus and mutual information properties is developed to estimate the source-relay channel matrix. Compared with training-based MIMO relay channel estimation approaches, our algorithm has a better bandwidth efficiency as no bandwidth is wasted for sending the training sequences. Numerical examples are shown to demonstrate the performance of the proposed algorithm.

引用

页码：400 / 403

页数：4

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