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2020 | OriginalPaper | Chapter

An Examination of Outage Performance for Selected Relay and Fixed Relay in Cognitive Radio-Aided NOMA

Authors : Tam Nguyen Kieu, Hong Nhu Nguyen, Long Nguyen Ngoc, Tu-Trinh Thi Nguyen, Jaroslav Zdralek, Miroslav Voznak

Published in: AETA 2018 - Recent Advances in Electrical Engineering and Related Sciences: Theory and Application

Publisher: Springer International Publishing

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Abstract

In this paper, we consider impacts of relay selection scheme on primary network performance in cognitive radio (CR) assisted non-orthogonal multiple access (NOMA). We suggest relay selection model to improve the outage performance at primary network. In this model, the fixed power allocation in NOMA is deployed to achieve considered simulation results. To completely study the profits of the NOMA scheme, we derive closed-form formula for the outage probability. We find that the CR-NOMA enhances its performance as suitable selection of relay intending to forward signal to NOMA users. It is shown several performance comparison in such CR-NOMA as varying the target rates at relay and destination. Numerical results are extensively studied to confirm that our proposed CR-NOMA outperforms the other designs in terms of outage probability.

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previous chapter A Brief Overview of the Synergy Between Metaheuristics and Unconventional Dynamics
next chapter Throughput Analysis of Power Beacon-Aided Multi-hop Relaying Networks Employing Non-orthogonal Multiple Access with Hardware Impairments
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Metadata
Title
An Examination of Outage Performance for Selected Relay and Fixed Relay in Cognitive Radio-Aided NOMA
Authors
Tam Nguyen Kieu
Hong Nhu Nguyen
Long Nguyen Ngoc
Tu-Trinh Thi Nguyen
Jaroslav Zdralek
Miroslav Voznak
Copyright Year
2020
Book
AETA 2018 - Recent Advances in Electrical Engineering and Related Sciences: Theory and Application

Print ISBN: 978-3-030-14906-2

Electronic ISBN: 978-3-030-14907-9

Copyright Year: 2020

DOI
https://doi.org/10.1007/978-3-030-14907-9_35