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Throughput fairness trade-offs for downlink non-orthogonal multiple access systems in 5G networks
In this work, user pairing and power allocation are proposed as a hybrid scheme to maximise throughput and achieve system fairness in the non-orthogonal multiple access (NOMA) system in 5G networks. The proposed approach is designed to improve the throughput and fairness performance of the downlink...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Elsevier
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9638750/ https://www.ncbi.nlm.nih.gov/pubmed/36353169 http://dx.doi.org/10.1016/j.heliyon.2022.e11265 |
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author | Abuajwa, Osama Bin Roslee, Mardeni Binti Yusoff, Zubaida Lee, Loo Chuan Pang, Wai Leong |
author_facet | Abuajwa, Osama Bin Roslee, Mardeni Binti Yusoff, Zubaida Lee, Loo Chuan Pang, Wai Leong |
author_sort | Abuajwa, Osama |
collection | PubMed |
description | In this work, user pairing and power allocation are proposed as a hybrid scheme to maximise throughput and achieve system fairness in the non-orthogonal multiple access (NOMA) system in 5G networks. The proposed approach is designed to improve the throughput and fairness performance of the downlink NOMA system in 5G networks. User pairing and power allocation schemes are separated to reduce resource allocation complexity. Integer linear programming is applied to perform user pairing, and particle swarm optimisation is used for power allocation. Moreover, the optimisation problem is formulated by converting multi-objective functions into a single function using the scalarisation of multi-objective optimisation problems, and the penalty function is used to prevent optimisation from violating the power, fairness, and data rate constraints. Simulation results show that the proposed model outperforms the conventional numerical approach by at least 9% of throughput maximisation and achieves an acceptable fairness rate. |
format | Online Article Text |
id | pubmed-9638750 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | Elsevier |
record_format | MEDLINE/PubMed |
spelling | pubmed-96387502022-11-08 Throughput fairness trade-offs for downlink non-orthogonal multiple access systems in 5G networks Abuajwa, Osama Bin Roslee, Mardeni Binti Yusoff, Zubaida Lee, Loo Chuan Pang, Wai Leong Heliyon Research Article In this work, user pairing and power allocation are proposed as a hybrid scheme to maximise throughput and achieve system fairness in the non-orthogonal multiple access (NOMA) system in 5G networks. The proposed approach is designed to improve the throughput and fairness performance of the downlink NOMA system in 5G networks. User pairing and power allocation schemes are separated to reduce resource allocation complexity. Integer linear programming is applied to perform user pairing, and particle swarm optimisation is used for power allocation. Moreover, the optimisation problem is formulated by converting multi-objective functions into a single function using the scalarisation of multi-objective optimisation problems, and the penalty function is used to prevent optimisation from violating the power, fairness, and data rate constraints. Simulation results show that the proposed model outperforms the conventional numerical approach by at least 9% of throughput maximisation and achieves an acceptable fairness rate. Elsevier 2022-10-28 /pmc/articles/PMC9638750/ /pubmed/36353169 http://dx.doi.org/10.1016/j.heliyon.2022.e11265 Text en © 2022 Multimedia University https://creativecommons.org/licenses/by/4.0/This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Research Article Abuajwa, Osama Bin Roslee, Mardeni Binti Yusoff, Zubaida Lee, Loo Chuan Pang, Wai Leong Throughput fairness trade-offs for downlink non-orthogonal multiple access systems in 5G networks |
title | Throughput fairness trade-offs for downlink non-orthogonal multiple access systems in 5G networks |
title_full | Throughput fairness trade-offs for downlink non-orthogonal multiple access systems in 5G networks |
title_fullStr | Throughput fairness trade-offs for downlink non-orthogonal multiple access systems in 5G networks |
title_full_unstemmed | Throughput fairness trade-offs for downlink non-orthogonal multiple access systems in 5G networks |
title_short | Throughput fairness trade-offs for downlink non-orthogonal multiple access systems in 5G networks |
title_sort | throughput fairness trade-offs for downlink non-orthogonal multiple access systems in 5g networks |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9638750/ https://www.ncbi.nlm.nih.gov/pubmed/36353169 http://dx.doi.org/10.1016/j.heliyon.2022.e11265 |
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