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Precoder design for MIMO relay networks with direct link and decision feedback equalisation

Millar, Andrew Paul and Weiss, Stephan and Stewart, Robert (2011) Precoder design for MIMO relay networks with direct link and decision feedback equalisation. IEEE Communications Letters, 15 (10). pp. 1044-1046. ISSN 1089-7798

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Abstract

In this letter we derive the source and relay precoders for a multiple-input multiple-output (MIMO) relay system with zero-forcing (ZF) decision feedback equalisation (DFE) when a direct link exists between the source and destination. Assuming full channel state information (CSI) is available at each node in the network, the processors are optimised for a large class of objective functions subject to the ZF condition and average power constraints at both the source and relay terminals. Simulation results show that the proposed design outperforms existing techniques in terms of bit error ratio (BER).

Item type: Article
ID code: 33137
Keywords: covariance matrix, decision feedback equalizers , MIMO, matrix decomposition , signal to noise ratio , transceivers , Electrical engineering. Electronics Nuclear engineering, Modelling and Simulation, Computer Science Applications, Electrical and Electronic Engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Technology and Innovation Centre > Sensors and Asset Management
Depositing user: Pure Administrator
Date deposited: 06 Sep 2011 14:16
Last modified: 21 Jul 2017 04:31
URI: https://strathprints.strath.ac.uk/id/eprint/33137
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