Since the first cellular networks were trialled in the 1970s, we have witnessed an incredible
wireless revolution. From 1G to 4G, the massive traffic growth has been managed by a …

Imagine a coverage area where each mobile device is communicating with a preferred set of
wireless access points (among many) that are selected based on its needs and cooperate to …

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 …

Imagine a coverage area with many wireless access points that cooperate to jointly serve
the users, instead of creating autonomous cells. Such a cell-free network operation can …

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 …

Cooperation is viewed as a key ingredient for interference management in wireless
networks. This paper shows that cooperation has fundamental limitations. First, it is …

Cell-free Massive MIMO (multiple-input multiple-output) refers to a distributed Massive MIMO
system where all the access points (APs) cooperate to coherently serve all the user …

With the enormous increase in application demands and user's data rate, high Quality of
Service (QoS) has attracted significant attention from the mobile operators and academia in …

The fifth generation of mobile communication systems (5G) is nowadays a reality. 5G
networks are been deployed all over the world, and the first 5G-capable devices (eg …

This work addresses channel estimation (CE) in the uplink phase for a cell‐free massive
multiple‐input multiple‐output system operating under the time division duplex protocol …