Intelligent reflecting surface aided multigroup multicast MISO communication systems

G Zhou, C Pan, H Ren, K Wang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) has recently been envisioned to offer unprecedented
massive multiple-input multiple-output (MIMO)-like gains by deploying large-scale and low …

Rate-splitting multiple access for multi-antenna downlink communication systems: Spectral and energy efficiency tradeoff

G Zhou, Y Mao, B Clerckx - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
Rate-splitting (RS) has recently been recognized as a promising physical-layer technique for
multi-antenna broadcast channels (BC). Due to its ability to partially decode the interference …

Hybrid user pairing for spectral and energy efficiencies in multiuser MISO-NOMA networks with SWIPT

TV Nguyen, VD Nguyen… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this paper, we propose a novel hybrid user pairing (HUP) scheme in multiuser multiple-
input single-output non-orthogonal multiple access networks with simultaneous wireless …

Machine learning-enabled joint antenna selection and precoding design: From offline complexity to online performance

TX Vu, S Chatzinotas, VD Nguyen… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
We investigate the performance of multi-user multiple-antenna downlink systems in which a
base station (BS) serves multiple users via a shared wireless medium. In order to fully …

Multi-group multicast beamforming: Optimal structure and efficient algorithms

M Dong, Q Wang - IEEE Transactions on Signal Processing, 2020 - ieeexplore.ieee.org
This paper considers the multi-group multicast beamforming optimization problem, for which
the optimal solution has been unknown due to the non-convex and NP-hard nature of the …

Ultra-low-complexity algorithms with structurally optimal multi-group multicast beamforming in large-scale systems

C Zhang, M Dong, B Liang - IEEE Transactions on Signal …, 2023 - ieeexplore.ieee.org
In this work, we propose ultra-low-complexity design solutions for multi-group multicast
beamforming in large-scale systems. For the quality-of-service (QoS) problem, by utilizing …

Transmit beamforming for layered physical layer security

W Zhang, J Chen, Y Kuo, Y Zhou - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this paper, we propose a novel layered physical layer security model, which is the
extension of the traditional physical layer security to the domain of multiple-layer information …

Joint optimization on trajectory, transmission and time for effective data acquisition in UAV-enabled IoT

C Hao, Y Chen, Z Mai, G Chen… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Unmanned aerial vehicle (UAV) energy consumption and task completion time are two
significant aspects in UAV-enabled Internet of Things (IoT) data acquisition. However, while …

Energy efficiency optimization for downlink massive MIMO with statistical CSIT

L You, J **ong, X Yi, J Wang, W Wang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
We investigate energy efficiency (EE) optimization for single-cell massive multiple-input
multiple-output (MIMO) downlink transmission with only statistical channel state information …

Blockage-aware reliable mmWave access via coordinated multi-point connectivity

D Kumar, J Kaleva, A Tölli - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
The fundamental challenge of the millimeter-wave (mmWave) frequency band is the
sensitivity of the radio channel to blockages, which gives rise to unstable connectivity and …