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Content Provider | IEEE Xplore Digital Library |
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Author | Benevides da Costa, D. Elkashlan, M. Phee Lep Yeoh Nan Yang Yacoub, M.D. |
Copyright Year | 2012 |
Description | Author affiliation: Department of Electrical and Electronic Engineering, University of Melbourne, Melbourne, Australia (Phee Lep Yeoh) || Wireless Technology Laboratory (WissTek), UNICAMP, Campinas, SP, Brazil (Yacoub, M.D.) || Wireless and Networking Technologies Laboratory, CSIRO ICT Centre, Sydney, Australia (Nan Yang) || Department of Computer Engineering, Federal University of Ceará (UFC), Sobral, CE, Brazil (Benevides da Costa, D.) || School of Electronic Engineering and Computer Science, Queen Mary, University of London, London, UK (Elkashlan, M.) |
Abstract | This paper investigates the outage performance of dual-hop decode-and-forward (DF) cooperative spectrum sharing systems in the presence of multiple primary user (PU) receivers and multiple secondary user (SU) destinations. Our analysis allows for a general Nakagami-m fading environment where distinct fading parameters as well as unequal average fading powers between the interference and relaying links are assumed. Focusing on the cooperation process among the SU nodes and making use of the underlay cognitive approach, an exact closed-form expression for the outage probability is derived. Our analysis employs an opportunistic scheduling algorithm for selecting one out of L SU destinations available. Additional interference constraints are also considered due to the presence of multiple PU receivers. The effects of fading severity, SU relay placement, and number of PU receivers, and SU destinations on the end-to-end system performance are examined through some representative numerical plots. Monte Carlo simulation results are presented to corroborate the proposed analysis. |
Starting Page | 1577 |
Ending Page | 1581 |
File Size | 282868 |
Page Count | 5 |
File Format | |
ISBN | 9781467325660 |
ISSN | 21669570 |
e-ISBN | 9781467325691 |
e-ISBN | 9781467325684 |
DOI | 10.1109/PIMRC.2012.6362599 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2012-09-09 |
Publisher Place | Australia |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Fading Relays Receivers Interference Cognitive radio Materials requirements planning |
Content Type | Text |
Resource Type | Article |
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