Intelligent radio signal processing: A survey

QV Pham, NT Nguyen, T Huynh-The, LB Le… - IEEE …, 2021 - ieeexplore.ieee.org
Intelligent signal processing for wireless communications is a vital task in modern wireless
systems, but it faces new challenges because of network heterogeneity, diverse service …

Deep learning-aided tabu search detection for large MIMO systems

NT Nguyen, K Lee - IEEE Transactions on Wireless …, 2020 - ieeexplore.ieee.org
In this study, we consider the application of deep learning (DL) to tabu search (TS) detection
in large multiple-input multiple-output (MIMO) systems. First, we propose a deep neural …

A decomposition-based multi-objective Jaya algorithm for lot-streaming job shop scheduling with variable sublots and intermingling setting

F Xie, L Li, L Li, Y Huang, Z He - Expert Systems with Applications, 2023 - Elsevier
This study examined the lot-streaming job shop scheduling problem (LSJSP) with variable
sublots and intermingling setting, which has rarely been considered in the literature and is …

Application of deep learning to sphere decoding for large MIMO systems

NT Nguyen, K Lee, H DaiIEEE - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
Although the sphere decoder (SD) is a powerful detector for multiple-input multiple-output
(MIMO) systems, it has become computationally prohibitive in massive MIMO systems …

Unequally sub-connected architecture for hybrid beamforming in massive MIMO systems

NT Nguyen, K Lee - IEEE Transactions on Wireless …, 2019 - ieeexplore.ieee.org
A variety of hybrid analog-digital beamforming architectures have recently been proposed
for massive multiple-input multiple-output (MIMO) systems to reduce energy consumption …

Dynamic unequally sub-connected hybrid beamforming architecture for massive MIMO systems

GM Gadiel, NT Nguyen, K Lee - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this work, we propose a novel dynamic unequal sub-array (DUESA) architecture for
massive multiple-input multiple-output (MIMO) systems with partially connected hybrid …

Groupwise neighbor examination for tabu search detection in large MIMO systems

NT Nguyen, K Lee - IEEE Transactions on Vehicular …, 2019 - ieeexplore.ieee.org
In the conventional tabu search (TS) detection algorithm for multiple-input multiple-output
(MIMO) systems, the metrics of all neighboring vectors are computed to determine the best …

Low-complexity IRS beamforming based on sphere decoding and tabu search

S Kimaryo, K Lee - Journal of Communications and Networks, 2023 - ieeexplore.ieee.org
The real-time reconfiguration of intelligent reflecting surface (IRS) is one of the crucial, yet
challenging tasks required to exploit the benefits of IRS. In this paper, we study an IRS-aided …

Switch-based hybrid beamforming transceiver design for wideband communications with beam squint

M Ma, NT Nguyen, M Juntti - arXiv preprint arXiv:2210.06890, 2022 - arxiv.org
The frequency-selectivity of beamforming, known as the beam squint, significantly impacts
the performance of a system with large signal bandwidths. Standard hybrid beamforming …

Low complexity, pairwise layered Tabu search for large scale MIMO detection

S Chakraborty, NB Sinha, M Mitra - Wireless Personal Communications, 2023 - Springer
This paper presents a low complexity pairwise layered tabu search based detection
algorithm for a large-scale multiple-input multiple-output system. The proposed algorithm …