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Power Minimization in Distributed Antenna Systems using Non-Orthogonal Multiple Access and Mutual Successive Interference Cancellation

Abstract : This paper introduces new approaches for combining non-orthogonal multiple access with distributed antenna systems. The study targets a minimization of the total transmit power in each cell, under user rate and power multiplexing constraints. Several new suboptimal power allocation techniques are proposed. They are shown to yield very close performance to an optimal power allocation scheme. Also, a new approach based on mutual successive interference cancellation of paired users is proposed. Different techniques are designed for the joint allocation of subcarriers, antennas, and power, with a particular care given to maintain a moderate complexity. The coupling of non-orthogonal multiple access to distributed antenna systems is shown to greatly outperform any other combination of orthogonal/non-orthogonal multiple access schemes with distributed or centralized deployment scenarios.
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https://hal-imt-atlantique.archives-ouvertes.fr/hal-01905483
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Submitted on : Thursday, October 25, 2018 - 6:20:37 PM
Last modification on : Wednesday, June 24, 2020 - 4:19:46 PM
Long-term archiving on: : Saturday, January 26, 2019 - 4:07:24 PM

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Joumana Farah, Antoine Kilzi, Charbel Abdel Nour, Catherine Douillard. Power Minimization in Distributed Antenna Systems using Non-Orthogonal Multiple Access and Mutual Successive Interference Cancellation. IEEE Transactions on Vehicular Technology, Institute of Electrical and Electronics Engineers, 2018, 67 (12), pp.11873 - 11885. ⟨10.1109/TVT.2018.2876592⟩. ⟨hal-01905483⟩

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