Throughput maximization for underlay CR multicarrier NOMA network with cooperative communication

T Manimekalai, S Romera Joan, T Laxmikandan - ETRI Journal, 2020 - Wiley Online Library
The non‐orthogonal multiple access (NOMA) technique offers throughput improvement to
meet the demands of the future generation of wireless communication networks. The …

Rate optimization in NOMA cognitive radio networks

N Zabetian, M Baghani… - 2016 8th international …, 2016 - ieeexplore.ieee.org
In this paper, the power allocation of Non-orthogonal multiple access (NOMA) for secondary
users in underlay cognitive radio is studied. In underlay cognitive radio networks, the …

Joint subchannel and power allocation for cognitive NOMA systems with imperfect CSI

Y Xu, Y Yang, G Li, Z Wang - 2019 IEEE Global Conference on …, 2019 - ieeexplore.ieee.org
In this paper, we investigate a downlink outage-constrained robust resource allocation
algorithm for achieving the robust transmission in power-domain non-orthogonal multiple …

Underlay cognitive NOMA-based coordinated direct and relay transmission

TT Nguyen, TH Vu, TV Nguyen… - IEEE Wireless …, 2020 - ieeexplore.ieee.org
In this letter, a cooperative underlay cognitive non-orthogonal multiple access (NOMA)-
based coordinated direct and relay transmission is investigated. Specifically, exact closed …

Joint power allocation and decoding order selection for NOMA systems: Outage-optimal strategies

M Yang, J Chen, Z Ding, Y Liu, L Lv… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
We investigate joint power allocation and decoding order selection (PA-DOS) aimed at
enhancing the outage performance of non-orthogonal multiple access (NOMA) systems. By …

NOMA‐based cooperative relaying for secondary transmission in cognitive radio networks

Y Chu, B Champagne, WP Zhu - IET Communications, 2019 - Wiley Online Library
In this study, the authors present and investigate a novel cooperative relaying scheme for
cognitive radio networks (CRNs), which is based on non‐orthogonal multiple access …

Outage performance of NOMA-based cognitive hybrid satellite-terrestrial overlay networks by amplify-and-forward protocols

X Zhang, B Zhang, K An, Z Chen, S Xie, H Wang… - IEEE …, 2019 - ieeexplore.ieee.org
In this paper, we investigate the outage probability (OP) performance of amplify-and-forward
(AF) cognitive hybrid satellite-terrestrial overlay networks (CHSTONs) with the non …

NOMA based cognitive relaying: Transceiver hardware impairments, relay selection policies and outage performance comparison

DT Do, AT Le - Computer Communications, 2019 - Elsevier
This paper considers cognitive radio (CR) inspired non-orthogonal multiple-access (NOMA).
Such NOMA users with performance improvement can be achieved as deploying relay …

Energy harvesting in overlay cognitive NOMA systems with hardware impairments

CK Singh, V Singh, PK Upadhyay… - IEEE Systems Journal, 2021 - ieeexplore.ieee.org
Combining energy harvesting with cognitive radio and nonorthogonal multiple access
(NOMA) techniques will be a notable candidate for improving both energy and spectral …

Antenna selection in MIMO cognitive radio-inspired NOMA systems

Y Yu, H Chen, Y Li, Z Ding… - IEEE Communications …, 2017 - ieeexplore.ieee.org
This letter investigates a joint antenna selection (AS) problem for a MIMO cognitive radio-
inspired non-orthogonal multiple access network. In particular, a new computationally …