The emerging massive/large-scale multiple-input multiple-output (LS-MIMO) systems that
rely on very large antenna arrays have become a hot topic of wireless communications …

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

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 …

Massive multiple-input multiple-output (MIMO) is one of the most promising technologies for
the next generation of wireless communication networks because it has the potential to …

Massive multiple-input multiple-output (MIMO) is playing a crucial role in the fifth generation
(5G) and beyond 5G (B5G) communication systems. Unfortunately, the complexity of …

Fifth-generation (5G) wireless networks are expected to operate at both microwave and
millimeter-wave (mmWave) frequency bands, including frequencies in the range of 24 to 86 …

Transmit beamforming is a versatile technique for signal transmission from an array of
antennas to one or multiple users [1]. In wireless communications, the goal is to increase the …

Recently, massive multiple-input multiple-output (MIMO) system has attracted tremendous
research interests in wireless communications. Among various performance aspects and …

Remarkable research activities and major advances have been occurred over the past
decade in multiuser multiple-input multiple-output (MU-MIMO) systems. Several …

The use of multiple antennas at base stations is a key component in the design of cellular
communication systems that can meet high-capacity demands in the downlink. Under ideal …