Multiple-input multiple-output (MIMO) beamforming (MBF) can greatly increase the signal
gain and reduce the effects of multipath fading for cell-edge users. The objective of this work …

This paper investigates double RIS-assisted MIMO communication systems over Rician
fading channels with finite scatterers, spatial correlation, and the existence of a double …

Codebook-based hybrid analog and digital beam-forming (HBF) plays a key role in practical
millimeter wave (mmWave) massive MIMO systems. Most existing work focuses on the …

In this paper, downlink (DL) precoding and power allocation strategies are identified for a
time-division-duplex multi-cell multi-user massive full-dimension MIMO network. Utilizing …

Hybrid beamforming can provide rapid data transmission rates while reducing the
complexity and cost of massive multiple-input multiple-output (MIMO) systems. However …

Accurate downlink channel state information at the transmitter (CSIT) is essential to utilize
the benefit of 3D Massive MIMO/FD-MIMO systems. Conventional approaches to obtain …

In this paper, we propose a cost-efficient beamforming optimization algorithm for multi-user
wireless communication systems associated with the intelligent reflecting surface (IRS) …

This paper proposes a novel interleaver-linked receiver beamforming method for time
division duplex (TDD)-interleave division multiple access (IDMA)-based random access …

Hybrid beamforming is a promising technology for enhancing the energy-and spectral-
efficiency of wireless networks with large-scale antenna arrays, yet the current designs fall …

This paper is concerned with massive-MIMO systems over Rician flat fading channels. In
order to reduce the overhead to obtain full channel state information and to avoid the pilot …