Fundamental Limits of Spectrum Sharing for NOMA-Based Cooperative Relaying
|Title:||Fundamental Limits of Spectrum Sharing for NOMA-Based Cooperative Relaying||Authors:||Kumar, Vaibhav; Cardiff, Barry; Flanagan, Mark F.||Permanent link:||http://hdl.handle.net/10197/11112||Date:||13-Dec-2018||Online since:||2019-10-07T13:10:32Z||Abstract:||Non-orthogonal multiple access (NOMA) and spectrum sharing (SS) are two emerging multiple access technologies for efficient spectrum utilization in the fifth-generation (5G) wireless communications standard. In this paper, we present a closed-form analysis of the average achievable sum-rate and outage probability for a NOMA-based cooperative relaying system (CRS) in an underlay spectrum sharing scenario. We consider a peak interference constraint, where the interference inflicted by the secondary (unlicensed) network on the primary-user (licensed) receiver (PU-Rx) should be less than a predetermined threshold. We show that the CRS-NOMA outperforms the CRS with conventional orthogonal multiple access (OMA) for large values of peak interference power at the PU-Rx.||Funding Details:||Science Foundation Ireland||Type of material:||Conference Publication||Publisher:||IEEE||Copyright (published version):||2018 IEEE||Keywords:||Relays; Interference; NOMA; Receiving antennas; Fading channels; Signal to noise ratio||DOI:||10.1109/GLOCOMW.2018.8644252||Other versions:||https://globecom2018.ieee-globecom.org/||Language:||en||Status of Item:||Unspecified||Is part of:||2018 IEEE Globecom Workshops, GC Workshops (GC Wkshps): Proceedings||Conference Details:||2018 IEEE Globecom Workshops (GC Wkshps), Abu Dhabi, United Arab Emirates, 9-13 December 2018||ISBN:||9781538649206|
|Appears in Collections:||Electrical and Electronic Engineering Research Collection|
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