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dc.contributor.authorAli, Konpal S.
dc.contributor.authorHaenggi, Martin
dc.contributor.authorElsawy, Hesham
dc.contributor.authorChaaban, Anas
dc.contributor.authorAlouini, Mohamed-Slim
dc.description.abstractA network model is considered where Poisson distributed base stations transmit to N power-domain non-orthogonal multiple access (NOMA) users (UEs) each {that employ successive interference cancellation (SIC) for decoding}. We propose three models for the clustering of NOMA UEs and consider two different ordering techniques for the NOMA UEs: mean signal power-based and instantaneous signal-to-intercell-interference-and-noise-ratio-based. For each technique, we present a signal-to-interference-and-noise ratio analysis for the coverage of the typical UE. We plot the rate region for the two-user case and show that neither ordering technique is consistently superior to the other. We propose two efficient algorithms for finding a feasible resource allocation that maximize the cell sum rate Rtot, for general N, constrained to: 1) a minimum throughput T for each UE, 2) identical throughput for all UEs. We show the existence of: 1) an optimum N that maximizes the constrained Rtot given a set of network parameters, 2) a critical SIC level necessary for NOMA to outperform orthogonal multiple access. The results highlight the importance in choosing the network parameters N, the constraints, and the ordering technique to balance the Rtot and fairness requirements. We also show that interference-aware UE clustering can significantly improve performance.en_US
dc.rightsArchived with thanks to arXiven_US
dc.titleDownlink Non-Orthogonal Multiple Access (NOMA) in Poisson Networksen_US
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Divisionen_US
dc.contributor.departmentElectrical Engineering Programen_US
dc.contributor.institutionDepartment of Electrical Engineering, University of Notre Dame, USA.*
kaust.personAli, Konpal S.
kaust.personElsawy, Hesham
kaust.personChaaban, Anas
kaust.personAlouini, Mohamed-Slim

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