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Permanent link (DOI): https://doi.org/10.7939/R3W71Q

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Rate adaptive transmission in cooperative networks Open Access

Descriptions

Other title
Subject/Keyword
decode-and-forward
Nakagami-m fading
cooperative diversity
M-QAM
adaptive transmission
CMRC
amplify-and-forward
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Kalansuriya, Prasanna
Supervisor and department
Tellambura, Chintha (Electrical and Computer Engineering)
Examining committee member and department
Elmallah, Ehab (Computing Science)
Ardakani, Masoud (Electrical and Computer Engineering)
Department
Department of Electrical and Computer Engineering
Specialization

Date accepted
2009-08-27T16:31:31Z
Graduation date
2009-11
Degree
Master of Science
Degree level
Master's
Abstract
Cooperative wireless communication uses relays to enhance the capacity and reliability of data transmission. Adaptive transmission is typically used in conventional non-cooperative communications to exploit the time-varying nature of the wireless channel. In this thesis, we combine these two techniques. We consider decode-and-forward (DF) and amplify-and-forward (AF) relays. The wireless environment is modeled by using the Nakagami-m distribution. The achievable channel capacity with rate adaptive transmission is analytically derived for DF and AF cooperative networks. The performance of a DF cooperative network is analyzed with a constant power rate adaptive scheme consisting of a discrete set of transmission modes. The effect of decoding errors on DF cooperative networks is also analyzed. To this end, a new heuristic approximation of the total received signal-to-noise ratio at the destination is developed. This approximation enables simple yet accurate performance analysis.
Language
English
DOI
doi:10.7939/R3W71Q
Rights
License granted by Prasanna Kalansuriya (kalansur@ualberta.ca) on 2009-08-27T02:40:00Z (GMT): 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 the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein 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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