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Published in: Wireless Personal Communications 4/2017

04-04-2017

Performance of a Relay Antenna Selection Based Dynamic Spectrum Sharing Protocol with Opportunistic Selection of Users

Authors: Arnav Mohan, Shankar Prakriya

Published in: Wireless Personal Communications | Issue 4/2017

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Abstract

We consider a cellular scenario in which a base-station primary transmitter communicates to its primary receivers (PRs) using a set of multiple antenna relay stations (RS). One of several RS that is selected is assumed to employ antenna selection. The primary network allows one of its users to access the secondary network simultaneously in the same two phases (by using a selected RS) through dynamic spectrum sharing principles. Such a framework allows the cellular system to increase its frequency utilization. We derive expressions for the outage and ergodic rate performance of such spectrum sharing communication links. Systems performing spectrum sharing are assumed to have a peak power constraint and use peak interference control (to limit interference to the PR). For a fixed primary outage, it is demonstrated that increasing the number of users improves the performance at medium values of SNR, whereas increasing the number of RSs improves the performance at high SNRs.

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Appendix
Available only for authorised users
Footnotes
1
The outage analysis part of this paper was presented for a different framework in the 7th International Conference on Signal Processing and Communication Systems (ICSPCS), 2013.
 
2
Clearly, this number can vary from RS to another, but is taken to be the same in this paper for ease of presentation.
 
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Metadata
Title
Performance of a Relay Antenna Selection Based Dynamic Spectrum Sharing Protocol with Opportunistic Selection of Users
Authors
Arnav Mohan
Shankar Prakriya
Publication date
04-04-2017
Publisher
Springer US
Published in
Wireless Personal Communications / Issue 4/2017
Print ISSN: 0929-6212
Electronic ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-017-4097-3

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