Linear beamformer schemes with simple relay selection in MIMO relay networks

中国邮电高校学报(英文) ›› 2008, Vol. 15 ›› Issue (4): 24-29.doi:

Linear beamformer schemes with simple relay selection in MIMO relay networks

孟庆民,潘甦,ZHENG Bao-yu,朱洪波,尤肖虎

Jiangsu Key Laboratory of Wireless Communications and Institute of Signal Processing and Transmission,
Nanjing University of Posts and Telecommunications, Nanjing 210003, China

收稿日期:2008-06-01 修回日期:1900-01-01 出版日期:2008-12-30
通讯作者: 孟庆民

Linear beamformer schemes with simple relay selection in MIMO relay networks

MENG Qing-min, PAN Su, ZHENG Bao-yu, ZHU Hong-bo, YOU Xiao-hu

Jiangsu Key Laboratory of Wireless Communications and Institute of Signal Processing and Transmission,
Nanjing University of Posts and Telecommunications, Nanjing 210003, China

Received:2008-06-01 Revised:1900-01-01 Online:2008-12-30
Contact: MENG Qing-min

摘要/Abstract

摘要：

This article considers a wireless multi-hop/mesh network where single multi-antenna source-destination pair communicates through a selected relay subset using simple relay selection under the constraint of fixed relay’s number. Compared with random selection, the simple relay selection can yield certain capacity advantages while linear zero-forcing (ZF) receiver and linear beamformer are considered at the relay. For match-filter (MF) beamformer and amplified-and-forward (AF) beamformer with a fixed number of relays, the capacities are given. Furthermore, we extend the simple selection methods to the relaying scheme with orthogonal-triangular (QR) beamformer and investigate these linear beamformer schemes over spatially correlated multi-input multi-output (MIMO) links for both the backward and forward channel over the two-hop MIMO relay networks.

关键词:

wireless;mesh;networks,;multi-hop;relaying,;capacity,;beamformer

Abstract:

Key words:

wireless mesh networks;multi-hop relaying;capacity;beamformer

MENG Qing-min, PAN Su, ZHENG Bao-yu, ZHU Hong-bo, YOU Xiao-hu. Linear beamformer schemes with simple relay selection in MIMO relay networks[J]. Acta Metallurgica Sinica(English letters), 2008, 15(4): 24-29.

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Linear beamformer schemes with simple relay selection in MIMO relay networks

Linear beamformer schemes with simple relay selection in MIMO relay networks

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