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Permanent link (DOI): https://doi.org/10.7939/R35717W8M

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Energy Efficient Relay Network Design Using Power-Normalized SNR Open Access

Descriptions

Other title
Subject/Keyword
Outage probability
Efficiency
Relay network
Power-normalized SNR
Power control
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Hao, Yichen
Supervisor and department
Jing, Yindi (Electrical and Computer Engineering)
Examining committee member and department
Li, Zukui (Chemical and Materials Engineering)
Jing, Yindi (Electrical and Computer Engineering)
Fair, Ivan (Electrical and Computer Engineering)
Department
Department of Electrical and Computer Engineering
Specialization
Communications
Date accepted
2013-09-28T14:37:50Z
Graduation date
2013-11
Degree
Master of Science
Degree level
Master's
Abstract
Relay network designs have been widely studied in recent years. It is known that cooperative relay network can achieve cooperative diversity with the help of relays and improve the data rate and/or the reliability of the network. On the other hand, green communication design has also attracted significant attention due to the drastic increase in energy consumption. We are going to investigate green communication designs in relay network in our work. In this thesis, we adopt a novel efficiency measure, the power-normalized received signal to noise ratio (PN-SNR) in relay network design for several scenarios and analyze the performance of the proposed designs. In single-relay network and multi-relay network with a sum relay power constraint, the PNSNR maximization problem is formulated and solved. In multi-relay network with individual power constraint on each relay, we investigate both the basic PN-SNR maximization problem and the quality of service (QoS)-constrained PN-SNR maximization problem. Performance of the proposed designs is compared with the fixed relay power scheme and the SNR-maximization scheme analytically and numerically via simulation. Our results show that with the same average relay transmit power, the PN-SNR maximizing scheme is superior to the fixed relay power scheme not only in the PN-SNR but also in the outage probability for both single and multi-relay networks. Compared with SNR-maximizing scheme, it is significantly superior in PN-SNR with moderate degradation in outage probability. Our results reveal the potential of PN-SNR as efficiency measure in relay network design.
Language
English
DOI
doi:10.7939/R35717W8M
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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