Improved user fairness in decode-forward relaying non-orthogonal multiple access schemes with imperfect SIC and CSI

F Kara, H Kaya - IEEE access, 2020 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) is one of the key technologies to serve in ultra-
dense networks with massive connections which is crucial for Internet of Things. Besides …

Outage performance for dynamic power allocation in hybrid non-orthogonal multiple access systems

Z Yang, Z Ding, P Fan, Z Ma - IEEE Communications Letters, 2016 - ieeexplore.ieee.org
In this letter, we propose a novel dynamic power allocation scheme for hybrid non-
orthogonal multiple access (DH-NOMA). The exact expressions for the outage probabilities …

Performance Analysis of Cognitive-Inspired Wireless Powered NOMA Systems With Joint Collaboration

TH Nguyen - IEEE Access, 2023 - ieeexplore.ieee.org
This paper investigates the performance analysis of cognitive-inspired wireless-powered
non-orthogonal multiple access (NOMA) systems, where two collaborative schemes are …

Best relay selection schemes for NOMA based cognitive relay networks in underlay spectrum sharing

K Sultan - IEEE Access, 2020 - ieeexplore.ieee.org
Cognitive Radio and the emerging Non-Orthogonal Multiple Access (NOMA) techniques
hold the potential to fulfill the increasing demands of radio spectrum by 5G-and-B5G …

Impact of user pairing on 5G nonorthogonal multiple-access downlink transmissions

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 …

Spectrum resource allocation based on cooperative NOMA with index modulation

X Chen, M Wen, T Mao, S Dang - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this paper, two novel spectrum resource allocation schemes, based on orthogonal
frequency division multiplexing with index modulation (OFDM-IM) and dual-mode OFDM-IM …

[HTML][HTML] Two-stage adaptive relay selection and power allocation strategy for cooperative CR-NOMA networks in underlay spectrum sharing

S Li, W Liang, V Pla, N Yang, S Yang - Applied Sciences, 2021 - mdpi.com
In this paper, we consider a novel cooperative underlay cognitive radio network based on
non-orthogonal multiple access (CR-NOMA) with adaptive relay selection and power …

Performance of cooperative underlay CR-NOMA networks over Nakagami-m channels

G Nauryzbayev, S Arzykulov, TA Tsiftsis… - 2018 IEEE …, 2018 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) has been recently regarded as one of the potential
multiple access candidates for coming fifth generation (5G) communication networks. In this …

Design and evaluation of buffer-aided cooperative NOMA with direct transmission in IoT

P Xu, Y Wang, G Chen, G Pan… - IEEE internet of things …, 2020 - ieeexplore.ieee.org
The high spectrum efficiency of nonorthogonal multiple access (NOMA) is attractive to solve
the massive number of connections in the Internet of Things (IoT). This article investigates a …

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 …