Joint channel estimation and multiuser detection for uplink grant-free NOMA

Y Du, B Dong, W Zhu, P Gao, Z Chen… - IEEE Wireless …, 2018 - ieeexplore.ieee.org
Grant-free non-orthogonal multiple access is an emerging research topic in machine-type
communications, which is used to reduce signaling overhead. In this context, this letter …

Performance analysis of DF cooperative-NOMA system with QPSK-BPSK scheme in the presence of SIC errors

S Soni, M Jain, D Rawal, N Sharma… - … Research & Practice …, 2019 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) is a promising radio access technique for 5th
generation (5G) communication systems. In order to enhance the performance of NOMA …

Optimal power allocation in NOMA systems with imperfect channel estimation

K Senel, S Tekinay - GLOBECOM 2017-2017 IEEE Global …, 2017 - ieeexplore.ieee.org
Non-orthogonal multiple access is a promising technology for the fifth generation systems
which exploits the power domain to achieve higher spectral efficiency. The performance of …

Outage Analysis of NOMA Systems With User Ranking Based on ISP and Data Rate Requirement

Z Chen, X Wei, C Zhao, Y Sun - IEEE Wireless …, 2023 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) employs new degrees of freedom for channel
sharing, but requires sophisticated receivers and generates high computational complexity …

Nonlinear effects in NOMA-OFDM systems: Analytical signal characterization and receiver design

OBH Belkacem, R Dinis… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Non orthogonal multiple access (NOMA) is being considered a key technology for future
communications. In this paper, we provide an analytical characterization of downlink NOMA …

Hyperparameter-free receiver for grant-free NOMA systems with MIMO-OFDM

T Hara, H Iimori, K Ishibashi - IEEE Wireless Communications …, 2020 - ieeexplore.ieee.org
We introduce a new grant-free non-orthogonal multiple access (GF-NOMA) scheme, which
unlike conventional approaches, spreads over the frequency domain instead of the time …

Downlink performance evaluation of NOMA systems based on different OFDM waveforms

Y Kabalcı, M Ali - 2019 1st Global Power, Energy and …, 2019 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) schemes have emerged as an inspiring technology
for next generation mobile communication systems. This paper firstly confirms the superiority …

Bit error rate analysis of NOMA-OFDM in 5G systems with non-linear HPA with memory

A Hilario-Tacuri, J Maldonado, M Revollo… - IEEE …, 2021 - ieeexplore.ieee.org
The orthogonal frequency division multiplexing (OFDM) and the non-orthogonal multiple
access (NOMA) scheme are presented as promising techniques to meet the requirement of …

NOMA Transmission Design with Practical Modulations

T Zhong, Y Wang, J Wang - Next Generation Multiple Access, 2024 - Wiley Online Library
Non‐orthogonal multiple access (NOMA) has been considered as a promising technology
for future wireless communications. In this chapter, we consider the transmission design in …

Error analysis of TAS‐OSTBC assisted downlink NOMA system over generalized fading Channel

S Mukhtar, GR Begh - International Journal of Communication …, 2022 - Wiley Online Library
Incorporation of multiple antennas in downlink non‐orthogonal multiple access (NOMA)
system helps in achieving better performance by exploiting different diversity schemes. To …