Radio frequency (RF) spectrum is highly occupied and adding further broadband channels
to fulfill the exiting user requirements has become difficult. Optical free-space …

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 …

A Cell-Free Massive MIMO (multiple-input multiple-output) system comprises a very large
number of distributed access points (APs), which simultaneously serve a much smaller …

Multiple antenna technologies have attracted much research interest for several decades
and have gradually made their way into mainstream communication systems. Two main …

While fifth-generation (5G) communications are being rolled out worldwide, sixth-generation
(6G) communications have attracted much attention from both the industry and the …

Cell-free Massive multiple-input multiple-output (MIMO) comprises a large number of
distributed low-cost low-power single antenna access points (APs) connected to a network …

Demand for wireless throughput, both mobile and fixed, will always increase. One can
anticipate that, in five or ten years, millions of augmented reality users in a large city will …

Understand the fundamentals of wireless and MIMO communication with this accessible and
comprehensive text. Viewing the subject through an information theory lens, but also …

Massive MIMO is a promising technique for increasing the spectral efficiency (SE) of cellular
networks, by deploying antenna arrays with hundreds or thousands of active elements at the …

We consider the Massive Multiple-Input Multiple-Output downlink with maximum-ratio and
zero-forcing processing and time-division duplex operation. To decode, the users must know …