Intelligent reflecting surface (IRS) is a potential technology to build programmable wireless
environment in future communication systems. In this paper, we consider a multi-IRS …

As millimeter wave (mmWave) beamforming (BF) system can increase the areal capacity in
ultra-dense network (UDN), a joint design of user association and hybrid BF is challenging …

In millimeter wave (mmW) dense femto-networks, major challenges are overcoming the
performance loss imposed by the channel and managing the co-channel interference. The …

The forthcoming 5G cellular network is expected to overlay millimeter-wave (mmW)
transmissions with the incumbent micro-wave (μW) architecture. The overall mm-μW …

The widespread application of wireless services and dense devices access has triggered
huge energy consumption. Because of the environmental and financial considerations …

Exploiting the advantages of both non-orthogonal multiple access technique and millimeter-
wave communications requires joint efficient resource allocation techniques toward …

Ultra-dense networks (UDNs), which can provide extremely high throughput and data rates,
have been considered as one of the key techniques for the fifth generation mobile networks …

In this paper, the joint design of user clustering and power allocation is investigated in a
downlink non-orthogonal multiple access-based millimeter wave (mm-wave-NOMA) system …

The fifth generation (5G) mobile networks are envisioned to support the deluge of data traffic
with reduced energy consumption and improved quality of service (QoS) provision. To this …

We study downlink transmission in a multi-band heterogeneous network comprising
unmanned aerial vehicle (UAV) small base stations and ground-based dual mode mmWave …