6G wireless communications networks: A comprehensive survey

M Alsabah, MA Naser, BM Mahmmod… - Ieee …, 2021 - ieeexplore.ieee.org
The commercial fifth-generation (5G) wireless communications networks have already been
deployed with the aim of providing high data rates. However, the rapid growth in the number …

User-centric cell-free massive MIMO networks: A survey of opportunities, challenges and solutions

HA Ammar, R Adve, S Shahbazpanahi… - … Surveys & Tutorials, 2021 - ieeexplore.ieee.org
Densification of network base stations is indispensable to achieve the stringent Quality of
Service (QoS) requirements of future mobile networks. However, with a dense deployment of …

Prospective multiple antenna technologies for beyond 5G

J Zhang, E Björnson, M Matthaiou… - IEEE Journal on …, 2020 - ieeexplore.ieee.org
Multiple antenna technologies have attracted much research interest for several decades
and have gradually made their way into mainstream communication systems. Two main …

A survey of energy-efficient techniques for 5G networks and challenges ahead

S Buzzi, I Chih-Lin, TE Klein, HV Poor… - IEEE Journal on …, 2016 - ieeexplore.ieee.org
After about a decade of intense research, spurred by both economic and operational
considerations, and by environmental concerns, energy efficiency has now become a key …

Energy efficient multi-user MISO communication using low resolution large intelligent surfaces

C Huang, GC Alexandropoulos… - 2018 IEEE …, 2018 - ieeexplore.ieee.org
We consider a multi-user Multiple-Input Single-Output (MISO) communication system
comprising of a multiantenna base station communicating in the downlink simultaneously …

What will 5G be?

JG Andrews, S Buzzi, W Choi, SV Hanly… - IEEE Journal on …, 2014 - ieeexplore.ieee.org
What will 5G be? What it will not be is an incremental advance on 4G. The previous four
generations of cellular technology have each been a major paradigm shift that has broken …

Energy efficiency in wireless networks via fractional programming theory

A Zappone, E Jorswieck - Foundations and Trends® in …, 2015 - nowpublishers.com
This monograph presents a unified framework for energy efficiency maximization in wireless
networks via fractional programming theory. The definition of energy efficiency is introduced …

Sub-channel assignment, power allocation, and user scheduling for non-orthogonal multiple access networks

B Di, L Song, Y Li - IEEE transactions on wireless …, 2016 - ieeexplore.ieee.org
In this paper, we study the resource allocation and user scheduling problem for a downlink
non-orthogonal multiple access network where the base station allocates spectrum and …

Green communication in next generation cellular networks: A survey

P Gandotra, RK Jha, S Jain - IEEE access, 2017 - ieeexplore.ieee.org
In order to meet the intense user demands, the 5G networks are evolving, and will be
available by 2020. The unfolding cellular technology has raised the energy consumption in …

Energy-efficient power control: A look at 5G wireless technologies

A Zappone, L Sanguinetti, G Bacci… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
This paper develops power control algorithms for energy efficiency (EE) maximization
(measured in bit/Joule) in wireless networks. Unlike previous related works, minimum-rate …