We consider a cell-free Massive multiple-input multiple-output (MIMO) system and
investigate the system performance for the case when the quantized version of the estimated …

Channel state information (CSI) estimation is one of the key techniques for improving the
performance of wireless communication systems. Meanwhile, the fifth generation wireless …

This paper proposes a novel transmission policy for a wireless powered sensor network
(WPSN) assisted by an intelligent reflecting surface (IRS) to enhance the performance of …

In this paper, we propose a unified framework for hybrid satellite/unmanned aerial vehicle
(HSUAV) terrestrial non-orthogonal multiple access (NOMA) networks, where satellite aims …

As a key enabling technology for 5G wireless, millimeter wave (mmWave) communication
motivates the utilization of large-scale antenna arrays for achieving highly directional …

In this paper, we study a joint placement, resource allocation, and user association problem
for UAV-assisted wireless networks with constrained backhaul links, where multiple UAV …

There is no doubt that the world is currently experiencing a global pandemic that is
reshaping our daily lives as well as the way business activities are being conducted. With …

Multi-beam concurrent transmission is one of promising solutions for a millimeter-wave
(mmWave) network to provide seamless handover, robustness to blockage, and continuous …

By enabling very high bandwidth for radio communications, the millimeter-wave (mmWave),
which can easily be integrated with massive-multiple-input-multiple-output (massive-MIMO) …

This paper proposes a closed-loop sparse channel estimation (CE) scheme for wideband
millimeter-wave hybrid full-dimensional multiple-input multiple-output and time division …