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Computer Science > Information Theory

arXiv:2204.00120 (cs)
[Submitted on 31 Mar 2022 (v1), last revised 4 Apr 2022 (this version, v2)]

Title:Joint Power and Subcarrier Allocation in Multi-Cell Multi-Carrier NOMA

Authors:Subhankar Banerjee, Chung Shue Chen, Marceau Coupechoux, Abhishek Sinha
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Abstract:Non-orthogonal multiple access (NOMA) is a technology proposed for next generation cellular networks because of its high spectral efficiency and enhanced user connectivity. However, in the literature the optimal joint power and sub-carrier allocation for NOMA has been proposed for single cell only. Consequently, a global optimal algorithm for the joint power and sub-carrier allocation for NOMA system in multi-cell scenario is still an open problem. In this work, we propose a polyblock optimization based algorithm for obtaining a global optimal solution. It has reduced complexity due to a necessary and sufficient condition for feasible successive interference cancellation (SIC). Besides, we can adjust its optimization approximation parameter to serve as benchmark solution or to offer suitable practical solution for multi-cell multi-carrier NOMA systems. Numerical studies have shown its effectiveness.
Subjects: Information Theory (cs.IT); Optimization and Control (math.OC)
Cite as: arXiv:2204.00120 [cs.IT]
  (or arXiv:2204.00120v2 [cs.IT] for this version)
  https://doi.org/10.48550/arXiv.2204.00120

Submission history

From: Chung Shue Chen [view email]
[v1] Thu, 31 Mar 2022 22:05:48 UTC (53 KB)
[v2] Mon, 4 Apr 2022 08:21:59 UTC (51 KB)
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