Joint design of source power allocation and relay beamforming in multi-user wireless networks

Rashid, U; Kha, HH; Tuan, HD; Nguyen, HH

Joint design of source power allocation and relay beamforming in multi-user wireless networks

Rashid, U Kha, HH Tuan, HD

Nguyen, HH

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Publication Type:: Conference Proceeding
Citation:: 6th International Conference on Signal Processing and Communication Systems, ICSPCS 2012 - Proceedings, 2012
Issue Date:: 2012-12-01

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Field	Value	Language
dc.contributor.author	Rashid, U	en_US
dc.contributor.author	Kha, HH	en_US
dc.contributor.author	Tuan, HD https://orcid.org/0000-0003-0292-6061	en_US
dc.contributor.author	Nguyen, HH	en_US
dc.date.issued	2012-12-01	en_US
dc.identifier.citation	6th International Conference on Signal Processing and Communication Systems, ICSPCS 2012 - Proceedings, 2012	en_US
dc.identifier.isbn	9781467323932	en_US
dc.identifier.uri	http://hdl.handle.net/10453/120160
dc.description.abstract	This paper presents joint design of source power allocation and relay beamforming for multi-user multi-relay wireless networks. The problem is formulated as maximization of the worst signal-to-inference-plus-noise ratio (SINR) among users subject to various power constraints. An equivalent d.c. (difference of two convex functions) programming based method is then used to develop an iterative algorithm with low computational complexity to obtain the optimal solution. Simulation results demonstrate that our optimal solutions of the joint optimization problem significantly outperform the solution obtained by separate designs of source power and relay beamforming. © 2012 IEEE.	en_US
dc.relation.ispartof	6th International Conference on Signal Processing and Communication Systems, ICSPCS 2012 - Proceedings	en_US
dc.relation.isbasedon	10.1109/ICSPCS.2012.6507979	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Joint design of source power allocation and relay beamforming in multi-user wireless networks	en_US
dc.type	Conference Proceeding
utslib.for	0906 Electrical and Electronic Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
pubs.publication-status	Published	en_US

Abstract:

This paper presents joint design of source power allocation and relay beamforming for multi-user multi-relay wireless networks. The problem is formulated as maximization of the worst signal-to-inference-plus-noise ratio (SINR) among users subject to various power constraints. An equivalent d.c. (difference of two convex functions) programming based method is then used to develop an iterative algorithm with low computational complexity to obtain the optimal solution. Simulation results demonstrate that our optimal solutions of the joint optimization problem significantly outperform the solution obtained by separate designs of source power and relay beamforming. © 2012 IEEE.

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http://hdl.handle.net/10453/120160