Reconfigurable Intelligent Surfaces Assisted SM-Cooperative NOMA for THz Communications

Kumar, M. Hemanta; Sharma, Sanjeev; Yoganandam, Y.; Deka, Kuntal; Kherani, Arzad

doi:10.1109/ncc60321.2024.10486034

2024 National Conference on Communications (NCC) 2024

DOI: 10.1109/ncc60321.2024.10486034

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Reconfigurable Intelligent Surfaces Assisted SM-Cooperative NOMA for THz Communications

M. Hemanta Kumar,

Sanjeev Sharma,

Y. Yoganandam

et al.

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Intelligent Reflecting Surfaces (IRS)-Enhanced Cooperative NOMA: A Contemporary Review

Sharma,

Mishra,

Kumar

et al. 2024

IEEE Access

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The integration of intelligent reflecting surfaces (IRS) into cooperative non-orthogonal multiple access (NOMA) systems revolutionizes wireless networks by enhancing signal strength, mitigating interference, and optimizing spectral efficiency. The cooperative NOMA (CNOMA) framework, empowered by IRS technology, further promises enhanced performance, robustness, and scalability for next-generation wireless networks as compared to NOMA only systems. This paper explores the synergy between IRS and NOMA to leverage cooperative techniques for superior wireless system design. Fundamental principles, technological advancements, and potential applications of IRS-assisted CNOMA systems are discussed, highlighting existing works. Both underlay and overlay NOMA principles are examined in conjunction with IRS in the paper. Spatial modulation-aided CNOMA is explored for multiple-input multiple-output (MIMO) systems, along with its advantages and practical challenges. Additionally, the paper discusses fundamental principles and technological advancements of IRS-assisted CNOMA systems, emphasizing solutions to potential challenges and the role of machine learning (ML)/deep learning (DL) in resource optimization like transmit power and IRS phase settings. Simulation results are presented to highlight the benefits of IRS-aided CNOMA system design. Finally, the paper outlines future directions and potential research topics in IRSaided CNOMA.

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Intelligent Reflecting Surfaces (IRS)-Enhanced Cooperative NOMA: A Contemporary Review

Sharma,

Mishra,

Kumar

et al. 2024

IEEE Access

Self Cite

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show abstract

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Reconfigurable Intelligent Surfaces Assisted SM-Cooperative NOMA for THz Communications

Cited by 1 publication

References 23 publications

Intelligent Reflecting Surfaces (IRS)-Enhanced Cooperative NOMA: A Contemporary Review

Intelligent Reflecting Surfaces (IRS)-Enhanced Cooperative NOMA: A Contemporary Review

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