In recent times, the rapid growth in mobile subscriptions and the associated demand for high
data rates fuels the need for a robust wireless network design to meet the required capacity …

The traditional multiple input multiple output (MIMO) systems cannot provide very high
Spectral Efficiency (SE), Energy Efficiency (EE), and link reliability, which are critical to …

The recently commercialized fifth-generation (5G) wireless networks have achieved many
improvements, including air interface enhancement, spectrum expansion, and network …

The demand for wireless connectivity has grown exponentially over the last years. By 2030
there should be around 17 billion of mobile-connected devices, with monthly data traffic in …

During the last decade, wireless data services have had an incredible impact on people's
lives in ways we could never have imagined. The number of mobile devices has increased …

Ultradense cell-free massive multiple-input multiple-output (CF-MMIMO) has emerged as a
promising technology expected to meet the future ubiquitous connectivity requirements and …

In this paper, we investigate a cell-free massive multiple-input multiple-output system with
both access points and user equipments equipped with multiple antennas over the …

To meet the unprecedented mobile traffic demands of future wireless networks, a paradigm
shift from conventional cellular networks to distributed communication systems is imperative …

MIMO-OFDM is a key technology and a strong candidate for 5G telecommunication systems.
In the literature, there is no convenient survey study that rounds up all the necessary points …

Reconfigurable intelligent surfaces (RISs) and cell-free (CF) massive multiple-input multiple-
output (MIMO) are two promising technologies for realizing beyond-fifth generation (5G) …