Satellite, fifth generation (5G), and sixth generation (6G) mobile communication systems
operating at micro-and millimeter wave frequencies are an essential pillar in advanced …

Ever since the deployment of the first-generation of mobile telecommunications, wireless
communication technology has evolved at a dramatically fast pace over the past four …

Here, we first aim to explain practical considerations to design and implement a
reconfigurable intelligent surface (RIS) in the sub-6 GHz band and then, to demonstrate its …

Multiple-input multiple-output (MIMO) technology has been extensively investigated for
achieving spatial multiplexing and diversity gains. However, the introduction of multiple …

Phased array antenna or beamformer plays key role in many emerging wireless
applications, be it industrial such as 5G wireless communication and RADAR technology or …

This article presents multi-band direct-conversion receivers (RXs) with frequency-translated
negative feedback. The forward path includes a low-noise transconductance amplifier …

In conventional hybrid beamforming approaches, the number of radio-frequency (RF) chains
is the bottleneck on the achievable spatial multiplexing gain. Recent studies have overcome …

The fast growth experienced by the telecommunications field during the last few decades
has been motivating the academy and the industry to invest in the design, testing and …

Fully-connected beamforming networks (FCBN) can provide better performance in a hybrid
beamforming architecture for massive multiple-input multiple-output (MIMO) systems. The …

Phase-shifter-aided spatial multiplexing (PSSM) is a low-complexity multiple-input multiple-
output (MIMO) technique with the assistance of extra phase shifters. Following the basic …