In this paper, nonorthogonal multiple access (NOMA) is applied to large-scale underlay cognitive radio (CR) networks with randomly deployed users. To characterize the …
In this letter, a decode-and-forward cooperative underlay cognitive radio (CR) non- orthogonal multiple access (NOMA) network is studied. Exact closed-form expressions for …
L Luo, Q Li, J Cheng - IEEE Transactions on Communications, 2020 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) and cognitive radio (CR) are envisioned as promising solutions to achieve high spectral efficiency for future wireless networks. This …
In this paper, we investigate the performance of a secondary network in a cognitive radio network employing a non-orthogonal multiple access (NOMA) scheme to form a CR-NOMA …
V Aswathi, AV Babu - IEEE Transactions on Vehicular …, 2021 - ieeexplore.ieee.org
This paper investigates outage and throughput performance of non-orthogonal multiple access (NOMA) based underlay cognitive radio (ie, CR-NOMA) network under partial relay …
DT Do, AT Le, BM Lee - Electronics, 2019 - mdpi.com
This study considers the outage and throughput performance of downlink in the secondary network of cognitive radio assisted non-orthogonal multiple access (NOMA) systems. Both …
Non-orthogonal multiple access (NOMA) is considered to be one of the promising multiple access (MA) techniques for 5G networks that can provide low latency, high system …
In this study, a cooperative non‐orthogonal multiple access (NOMA) scheme is investigated in an underlay cognitive radio network. With this aim, a number of secondary users are …
Z Ding, P Fan, HV Poor - IEEE Transactions on Vehicular …, 2015 - ieeexplore.ieee.org
Nonorthogonal multiple access (NOMA) represents a paradigm shift from conventional orthogonal multiple-access (MA) concepts and has been recognized as one of the key …