Resource Allocation Ensuring Physical Layer Security in Cooperative Non-Orthogonal Multiple Access in 6G Networks

Asim Ul Haq, Muhammad Bilal, Albena Mihovska

Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review

2 Citations (Scopus)

Abstract

Non-Orthogonal Multiple Access (NOMA) is a potential candidate for 6th Generation (6G) cellular commu-nication. It outperforms the conventional Orthogonal Multiple Access (OMA) schemes in terms of connectivity, spectral efficiency and latency. In spite of these advantages, NOMA faces information security challenges. In this paper, two phases of NOMA are considered which are the direct transmission phase and the cooperative phase. In the direct transmission phase, all users receive the superimposed signal while in the cooperative phase the user with a higher channel condition helps the user with the weaker channel condition. In the proposed work, the secrecy rate of users with weaker channel conditions is considered for maximisation under total power and Quality-of-Service (QoS) constraints. Our results show an improvement in the secrecy rate.

Original languageEnglish
Title of host publication2022 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom)
Number of pages8
PublisherIEEE
Publication date2022
Pages274-281
ISBN (Electronic)9781665497497
DOIs
Publication statusPublished - 2022
Event2022 IEEE International Black Sea Conference on Communications and Networking, BlackSeaCom 2022 - Sofia, Bulgaria
Duration: 6 Jun 20229 Jun 2022

Conference

Conference2022 IEEE International Black Sea Conference on Communications and Networking, BlackSeaCom 2022
Country/TerritoryBulgaria
CitySofia
Period06/06/202209/06/2022

Keywords

  • Non-Orthogonal Multiple Access
  • optimization
  • Physical Layer Security
  • Quality-of-Service
  • Secrecy Rate

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