The evolution of wireless communications has been significantly influenced by remarkable
advancements in multiple access (MA) technologies over the past five decades, sha** the …

Precoding has been conventionally considered as an effective means of mitigating or
exploiting the interference in the multiantenna downlink channel, where multiple users are …

Low earth orbit (LEO) satellite communications are expected to be incorporated in future
wireless networks, in particular 5G and beyond networks, to provide global wireless access …

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 …

Novel techniques such as mmWave transmission and massive MIMO have proven to
present many attractive features able to support high data demand for 5G NR technologies …

Connectivity in recent wireless communication is accessible anywhere because of the large
footprints of both cellular and WiFi networks. Yet, the broadcasting in wireless technology …

In this article, we investigate max completion time optimization for Internet of Things (IoT) in
LEO satellite-terrestrial integrated networks (STINs), in which IoT devices use non …

This paper provides an overview of multi-cell coordinated scheduling and multiple-input
multiple-output (MIMO) techniques in LTE. We first discuss single-user MIMO (SU-MIMO) …

Satellite communication systems will be a key component of 5G and 6G networks to achieve
the goal of providing unlimited and ubiquitous communications and deploying smart and …

In this paper, we investigate the linear precoder design for three dimensional (3D) massive
multi-input multi-output (MIMO) downlink with uniform planar array (UPA) and imperfect …