A systematic review on NOMA variants for 5G and beyond

I Budhiraja, N Kumar, S Tyagi, S Tanwar, Z Han… - IEEE …, 2021‏ - ieeexplore.ieee.org
Over the last few years, interference has been a major hurdle for successfully implementing
various end-user applications in the fifth-generation (5G) of wireless networks. During this …

A tutorial on nonorthogonal multiple access for 5G and beyond

M Aldababsa, M Toka, S Gökçeli… - Wireless …, 2018‏ - Wiley Online Library
Today's wireless networks allocate radio resources to users based on the orthogonal
multiple access (OMA) principle. However, as the number of users increases, OMA based …

A survey of NOMA: Current status and open research challenges

B Makki, K Chitti, A Behravan… - IEEE Open Journal of …, 2020‏ - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) has been considered as a study-item in 3GPP for
5G new radio (NR). However, it was decided not to continue with it as a work-item, and to …

Nonorthogonal multiple access for 5G and beyond

Y Liu, Z Qin, M Elkashlan, Z Ding… - Proceedings of the …, 2017‏ - ieeexplore.ieee.org
Driven by the rapid escalation of the wireless capacity requirements imposed by advanced
multimedia applications (eg, ultrahigh-definition video, virtual reality, etc.), as well as the …

On the performance of multi-antenna IRS-assisted NOMA networks with continuous and discrete IRS phase shifting

Z Sun, Y **g - IEEE Transactions on Wireless …, 2021‏ - ieeexplore.ieee.org
In this paper we study an intelligent reflecting surface (IRS) assisted non-orthogonal multiple
access (NOMA) network where the direct link between the base station (BS) and one of the …

On the performance of NOMA-based cooperative relaying systems over Rician fading channels

R Jiao, L Dai, J Zhang, R MacKenzie… - IEEE Transactions on …, 2017‏ - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) is a promising technique for the fifth generation
(5G) wireless communications. As users with good channel conditions can serve as relays to …

DeepSIC: Deep soft interference cancellation for multiuser MIMO detection

N Shlezinger, R Fu, YC Eldar - IEEE Transactions on Wireless …, 2020‏ - ieeexplore.ieee.org
Digital receivers are required to recover the transmitted symbols from their observed
channel output. In multiuser multiple-input multiple-output (MIMO) setups, where multiple …

On the design of massive non-orthogonal multiple access with imperfect successive interference cancellation

X Chen, R Jia, DWK Ng - IEEE Transactions on …, 2018‏ - ieeexplore.ieee.org
In this paper, we address a practical but adverse problem that successive interference
cancellation (SIC) is imperfect in a massive non-orthogonal multiple access (NOMA) system …

Hybrid half-duplex/full-duplex cooperative non-orthogonal multiple access with transmit power adaptation

G Liu, X Chen, Z Ding, Z Ma… - IEEE Transactions on …, 2017‏ - ieeexplore.ieee.org
Power allocation is an important issue in order to optimize the performance of non-
orthogonal multiple access (NOMA) systems. However, the power allocation problem for …

Learning-based signal detection for MIMO systems with unknown noise statistics

K He, L He, L Fan, Y Deng… - IEEE Transactions …, 2021‏ - ieeexplore.ieee.org
This paper aims to devise a generalized maximum likelihood (ML) estimator to robustly
detect signals with unknown noise statistics in multiple-input multiple-output (MIMO) …