As we make progress toward the 5G of wireless networks, the bit-per-joule energy efficiency
(EE) becomes an important design criterion for sustainable evolution. In this regard, one of …

The main limitations of employing large-scale antenna (LSA) architectures for broadband
frequency-selective channels include, but are not limited to their complexity, power …

The adoption of a reconfigurable intelligent surface (RIS) for downlink multi-user
communication from a multi-antenna base station is investigated in this paper. We develop …

We consider a multi-user Multiple-Input Single-Output (MISO) communication system
comprising of a multiantenna base station communicating in the downlink simultaneously …

1-bit digital-to-analog (DACs) and analog-to-digital converters (ADCs) are gaining more
interest in massive MIMO systems for economical and computational efficiency. We present …

Abstract The adoption of Large Intelligent Surfaces (LIS) in assisting downlink multi-user
communication from a multi-antenna base station is investigated in this paper. We present …

This article describes promising recent progress in the area of massive antenna array
architectures with low front-end hardware complexity. The presented technology enables the …

Due to the dramatic increase in wireless data traffic and the associated increase in energy
consumption, designing energy-efficient wireless networks with improved spectral efficiency …

We propose a new hardware architecture for cost-and size-effective implementation of
massive MIMO transmitters based on load modulation that is fully compatible with standard …

The capacity of a deterministic multiple-input multiple-output channel under the peak and
average power constraints is investigated. For the identity channel matrix, the approach of …