Unsupervised learning approaches for user clustering in noma enabled aerial swipt networks

J Cui, MB Khan, Y Deng, Z Ding… - 2019 IEEE 20th …, 2019 - ieeexplore.ieee.org
… Abstract—This paper studies the application of simultaneous wireless information and
power transfer (SWIPT) to millimeterwave non-orthogonal multiple access (mmWave-…

Flexible user grouping for MIMO-NOMA millimeter wave communication systems

J Zhu, Q Li - ICC 2020-2020 IEEE International Conference on …, 2020 - ieeexplore.ieee.org
… grouping algorithm and the Agglomerative Nesting (AGNES) clustering user grouping
algorithm, in which a user is grouped to the beam with the largest beam gain. In the first algorithm, …

User clustering techniques for massive MIMO-NOMA enabled mmWave/THz communications in 6G

M Shahjalal, MH Rahman, MO Ali… - … on Ubiquitous and …, 2021 - ieeexplore.ieee.org
… capacity and the spectral efficiency of the sixth-generation (6G) high frequency spectrum
such as Millimeter Wave and Terahertz networks. In this paper, we consider a mMIMO-…

Enhanced user grouping and power allocation for hybrid mmWave MIMO-NOMA systems

J Zhu, Q Li, Z Liu, H Chen… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
millimeter wave (mmWave) are two key enabling technologies … MIMO)-NOMA systems with
enhanced user grouping and power … the users with high channel correlation are clustered into …

An EM-based user clustering method in non-orthogonal multiple access

J Ren, Z Wang, M Xu, F Fang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
… aim to provide an unsupervised learning based method for user clustering. We consider a
downlink millimeter wave (mmWave) NOMA-based system. Different from [32], we utilize the …

Joint SDMA and power-domain NOMA system for multi-user mm-wave communications

I Khaled, C Langlais, A El Falou… - 2020 International …, 2020 - ieeexplore.ieee.org
… In this section, we propose a low-complex user clustering algorithm based on the proposed
geometric interference metric β. We also present a typical power allocation scheme to …

Joint user clustering, beamforming, and power allocation for mmWave-NOMA with imperfect SIC

B Lim, WJ Yun, J Kim, YC Ko - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
… ing framework for joint clustering and beamforming in mmWave-NOMA systems with imperfect
… with hybrid analog and digital beamforming for millimeter wave 5G,” IEEE Commun. Mag., …

Clustering algorithm based on azimuth in mmwave massive mimo-noma system

H He, Y Liang, S Li - 2021 IEEE/CIC International Conference …, 2021 - ieeexplore.ieee.org
… generation, NOMA (non-orthogonal multiple access) is exploited in the Massive MIMO
communication system at the mmWave (millimeter wave) frequency to gain a very high capacity …

Multi-beam NOMA for hybrid mmWave systems

Z Wei, L Zhao, J Guo, DWK Ng… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
… to extend the use of spectrum to high frequency bands, where a wider frequency bandwidth
is available, such as millimeter wave (mmWave) … Based on the LOS CSI, we cluster users

Power allocation algorithms for stable successive interference cancellation in millimeter wave NOMA systems

Y Zhang, X Zhao, S Geng, Z Zhou, P Qin… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
users in a downlink mmWave NOMA system, where the users are divided into a group of
two-user clusters… which has a significant impact on NOMA systems, but they are always ignored …