The increasing wireless data traffic demands have driven the need to explore suitable
spectrum regions for meeting the projected requirements. In the light of this, millimeter wave …

The requirement of the fifth generation (5G) wireless communication for high throughput
motivates the wireless industry to use the mmWave (millimeter wave) communications for its …

Terahertz (THz) communications are envisioned as a key technology for 6G wireless
systems, owing to an unprecedented promised multi-GHz bandwidth. While THz band …

Millimeter-wave (mmWave) communications have been considered as a key technology for
next-generation cellular systems and Wi-Fi networks because of its advances in providing …

The fifth generation (5G) communication system aims to support diverse services such as
enhanced mobile broadband (eMBB) and ultra-reliable and low-latency communication …

Configuring the hybrid precoders and combiners in a millimeter wave multiuser multiple-
input multiple-output system is challenging in frequency selective channels. In this paper, we …

Reconfigurable intelligent surface (RIS)-assisted millimeter-wave (mmWave) communication
systems relying on hybrid beamforming structures are capable of achieving high spectral …

Hybrid Transmit Precoding (TPC) is one of the most compelling solutions for millimeter wave
(mmWave) multiple-input multiple output (MIMO) systems. However, most attention has been …

We propose a new hybrid precoding technique for massive multi-input multi-output (MIMO)
systems using spatial channel covariance matrices in the analog precoder design. Applying …

Hybrid precoding is widely studied in millimetre-wave (mmWave) massive MIMO systems
due to low cost as well as low power consumption. In general, there are two kinds of hybrid …