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  5. Performance Analysis of NOMA-Based Cooperative Relaying in alpha-μ Fading Channels
 
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Performance Analysis of NOMA-Based Cooperative Relaying in alpha-μ Fading Channels

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Author(s)
Kumar, Vaibhav 
Cardiff, Barry 
Flanagan, Mark F. 
Uri
http://hdl.handle.net/10197/11113
Date Issued
24 May 2019
Date Available
07T13:31:44Z October 2019
Abstract
Non-orthogonal multiple access (NOMA) is widely recognized as a potential multiple access technology for efficient radio spectrum utilization in the fifth-generation (5G) wireless communications standard. In this paper, we study the average achievable rate and outage probability of a cooperative relaying system (CRS) based on NOMA (CRS-NOMA) over wireless links governed by the α-μ generalized fading model; here α and μ designate the nonlinearity and clustering parameters, respectively, of each link. The average achievable rate is represented in closed-form using Meijer's G-function and the extended generalized bivariate Fox's H-function (EGBFHF), and the outage probability is represented using the lower incomplete Gamma function. Our results confirm that the CRS-NOMA outperforms the CRS with conventional orthogonal multiple access (CRS-OMA) in terms of spectral efficiency at high transmit signal-to-noise ratio (SNR). It is also evident from our results that with an increase in the value of the nonlinearity/clustering parameter, the SNR at which the CRS-NOMA outperforms its OMA based counterpart becomes higher. Furthermore, the asymptotic analysis of the outage probability reveals the dependency of the diversity order of each symbol in the CRS-NOMA system on the α and μ parameters of the fading links.
Sponsorship
European Commission - European Regional Development Fund
Science Foundation Ireland
Type of Material
Conference Publication
Publisher
IEEE
Copyright (Published Version)
2019 IEEE
Keywords
  • 5G mobile communicati...

  • Cooperative communica...

  • Relay networks

DOI
10.1109/ICC.2019.8761527
Web versions
https://icc2019.ieee-icc.org/
Language
English
Status of Item
Unspecified
Part of
2019 IEEE International Conference on Communications (ICC), Shanghai, China, 20-24 May 2019: Proceedings
Description
2019 IEEE International Conference on Communications (ICC 2019), Shanghai, China, 20-24 May 2019
ISBN
9781538680889
ISSN
1550-3607
1938-1883
This item is made available under a Creative Commons License
https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Owning collection
Electrical and Electronic Engineering Research Collection
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9
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Jan 28, 2023
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