Articles with "mimo noma" as a keyword



Hybrid beam selection scheme in millimeter-wave beamspace MIMO-NOMA with lens antenna array

Sign Up to like & get
recommendations!
Published in 2020 at "AEU - International Journal of Electronics and Communications"

DOI: 10.1016/j.aeue.2020.153204

Abstract: Abstract Beam selection is a notable issue for recent wireless communications. A conventional single beam selection (SBS) concept is utilized to minimize the number of necessary radio frequency chains in millimeter-wave (mmWave) multiple-input multiple-output non-orthogonal… read more here.

Keywords: beam selection; mimo noma; selection; scheme ... See more keywords

BER analysis of dynamic FOV based MIMO-NOMA-VLC system

Sign Up to like & get
recommendations!
Published in 2021 at "AEU - International Journal of Electronics and Communications"

DOI: 10.1016/j.aeue.2021.153989

Abstract: Abstract Visible Light Communication (VLC) has evolved as a breakthrough technology for beyond 5G networks by providing a wide license-free spectrum. In this paper, we build a robust NOMA-VLC Network which exploits the MIMO technique.… read more here.

Keywords: system; mimo noma; noma vlc; vlc system ... See more keywords

4-D Structured Tensor Decomposition-Based Channel Estimation for RIS-Aided mmWave MIMO-NOMA System in Internet of Vehicles

Sign Up to like & get
recommendations!
Published in 2025 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2025.3550933

Abstract: Severe Doppler shift and the obstruction of the Line-of-Sight (LoS) path significantly decrease the communication performance. This article considers a downlink channel estimation problem for reconfigurable intelligent surface (RIS)-aided millimeter-wave (mmWave) multiple-input-multiple-output nonorthogonal multiple access… read more here.

Keywords: tensor; ris aided; mimo noma; noma system ... See more keywords

IRS-Assisted Physical Layer Security in MIMO-NOMA Networks

Sign Up to like & get
recommendations!
Published in 2023 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2023.3235722

Abstract: In this letter, we propose deploying the intelligent reflecting surface (IRS) to enhance the physical layer security in non-orthogonal multiple access (NOMA). The secrecy sum-rate of IRS-assisted multiple-input multiple-output (MIMO) NOMA is maximized in the… read more here.

Keywords: layer security; mimo noma; physical layer; irs assisted ... See more keywords

Transmit Power Minimization for RIS-Assisted MIMO-NOMA System

Sign Up to like & get
recommendations!
Published in 2024 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2024.3384228

Abstract: Reconfigurable intelligent surfaces (RISs), especially the simultaneous transmitting and reflecting RISs (STAR-RISs), can be integrated with multiple-input mutiple output (MIMO) and non-orthogonal multiple access (NOMA) to improve coverage and save power usage. In this letter,… read more here.

Keywords: transmit power; noma; mimo noma; noma system ... See more keywords

Energy Efficiency Optimization for PSOAM Mode-Groups Based MIMO-NOMA Systems

Sign Up to like & get
recommendations!
Published in 2022 at "IEEE Transactions on Communications"

DOI: 10.1109/tcomm.2022.3180762

Abstract: Plane spiral orbital angular momentum (PSOAM) mode-groups (MGs) and multiple-input multiple-output non-orthogonal multiple access (MIMO-NOMA) serve as two emerging techniques for achieving high spectral efficiency (SE) in the next-generation networks. In this paper, a PSOAM… read more here.

Keywords: psoam; psoam mode; mimo noma; efficiency ... See more keywords

A Unified Framework for Distributed RIS-Aided Downlink Systems Between MIMO-NOMA and MIMO-SDMA

Sign Up to like & get
recommendations!
Published in 2022 at "IEEE Transactions on Communications"

DOI: 10.1109/tcomm.2022.3188020

Abstract: The combination of reconfigurable intelligent surface (RIS) and non-orthogonal multiple access (NOMA) has been recognized as a critical method to improve the sixth generation networks performance. In this paper, a distributed RIS-aided downlink multiple-input multiple-output… read more here.

Keywords: aided downlink; mimo noma; ris aided; ris ... See more keywords

Analysis and Optimization of Multiple-STAR-RIS Assisted MIMO-NOMA With GSVD Precoding: An Operator-Valued Free Probability Approach

Sign Up to like & get
recommendations!
Published in 2024 at "IEEE Transactions on Communications"

DOI: 10.1109/tcomm.2025.3558057

Abstract: Among the key enabling 6G techniques, multiple-input multiple-output (MIMO) and non-orthogonal multiple-access (NOMA) play an important role in enhancing the spectral efficiency of the wireless communication systems. To further extend the coverage and the capacity,… read more here.

Keywords: star; star ris; analysis optimization; mimo noma ... See more keywords

Beamforming and Power Optimization for Physical Layer Security of MIMO-NOMA Based CRN Over Imperfect CSI

Sign Up to like & get
recommendations!
Published in 2021 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2021.3079136

Abstract: The physical layer security (PLS) has become crucial in the fifth generation (5G) wireless technology where non-orthogonal multiple-access (NOMA) plays an essential role for sharing the spectrum among multiple users. Multiple-input multiple-output (MIMO)-NOMA based cognitive… read more here.

Keywords: based crn; mimo noma; noma based; noma ... See more keywords

Minimizing Delay for MIMO-NOMA Resource Allocation in UAV-Assisted Caching Networks

Sign Up to like & get
recommendations!
Published in 2023 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2022.3225058

Abstract: As one of the important enabling techniques for 6G, wireless caching network (WCN) attracts significant attentions. In this paper, we jointly apply unmanned aerial vehicle (UAV), millimeter wave (mmWave) multiple input multiple output (MIMO) and… read more here.

Keywords: mimo noma; delay mimo; minimizing delay; allocation ... See more keywords

Multiuser Detection With Compressive Sensing Iterative Reweighed Approach for Grant-Free MIMO-NOMA Systems

Sign Up to like & get
recommendations!
Published in 2025 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2024.3455188

Abstract: In this paper, we focus on the efficient multiuser detection (MUD) problem for multiple-input multiple-output (MIMO) enabled grant-free non-orthogonal multiple access (GF-NOMA) system for massive machine-type communications (MTC). The inherent sparsity of mMTC motivates us… read more here.

Keywords: multiuser detection; mimo; grant free; mimo noma ... See more keywords