Beamforming for Dual-Hop MIMO AF Relay Networks With Channel Estimation Error and Feedback Delay

被引：6

作者：

Li, Min ^{[1
]}

Bai, Lin ^{[2
,3
]}

Yu, Quan ^{[1
,2
]}

Choi, Jinho ^{[4
]}

机构：

[1] Inst China Elect Syst Engn Corp, Beijing 100141, Peoples R China

[2] Beihang Univ, Sch Elect & Informat Engn, Beijing 100191, Peoples R China

[3] Beihang Univ, Beijing Lab Gen Aviat Technol, Beijing 100191, Peoples R China

[4] Gwangju Inst Sci & Technol, Sch Elect Engn & Comp Sci, Gwangju, South Korea

来源：

IEEE ACCESS | 2017年 / 5卷

基金：

中国国家自然科学基金;

关键词：

Multiple-input multiple-output; beamforming; amplify-and-forward; channel state information; average symbol error rate; LINEAR TRANSCEIVER DESIGN; RAYLEIGH-FADING CHANNELS; PERFORMANCE ANALYSIS; SIDE INFORMATION; IMPERFECT CSI; SYSTEMS; WIRELESS; TRANSMISSION; SELECTION; CAPACITY;

D O I：

10.1109/ACCESS.2017.2760926

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper concerns the beamforming (BF) design for a dual-hop multiple-input multiple output (MIMO) amplify-and-forward (AF) relay network. Both a general antenna configuration and imperfect channel state information are taking into consideration, where multiple antennas are deployed at the source, relay, and destination, channel impairments exist at the source-relay and relay-destination hops. The BF scheme is optimized to maximize the received signal-to-noise ratio (SNR). In order to evaluate the performance of the relay network, asymptotic average symbol error rate (ASER) at high SNR is derived. Computer simulations are conducted to show the superiority of the designed BF scheme and the impacts of channel impairments and antenna configurations on the performance of the MIMO AF relay systems. It is shown that the diversity order of the relay network can be reduced to one due to the channel impairments.

引用

页码：21840 / 21851

页数：12

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