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Underlay spectrum sharing for NOMA relaying networks : outage analysis

Arzykulov, S, Naury, G, A. Tsiftsisy, T, Maham, B, S. Hashmi, M and Rabie, KM ORCID logoORCID: https://orcid.org/0000-0002-9784-3703 (2020) Underlay spectrum sharing for NOMA relaying networks : outage analysis. In: International Conference on Computing, Networking and Communications (ICNC 2019), 17 February 2020 - 20 February 2020, Hawaii, USA.

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Abstract

In this paper, we investigate a cognitive non-orthogonal multiple access (NOMA) network scenario by adopting an amplify-and-forward (AF) relaying method. The end-to-end outage probability (OP) for secondary users is studied. Then, we compare the OP for the NOMA and time-division multiple access techniques and demonstrate that the former one outperforms the latter. Moreover, the proposed AF protocol is compared to the detect-and-forward one. Finally, the simulation results validate the derived analytical expressions.

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