On the road to 6G: Visions, requirements, key technologies, and testbeds

CX Wang, X You, X Gao, X Zhu, Z Li… - … Surveys & Tutorials, 2023 - ieeexplore.ieee.org
Fifth generation (5G) mobile communication systems have entered the stage of commercial
deployment, providing users with new services, improved user experiences as well as a host …

Terahertz band communication: An old problem revisited and research directions for the next decade

IF Akyildiz, C Han, Z Hu, S Nie… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Terahertz (THz) band communications are envisioned as a key technology for 6G and
Beyond. As a fundamental wireless infrastructure, THz communication can boost abundant …

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 …

Channel estimation for extremely large-scale MIMO: Far-field or near-field?

M Cui, L Dai - IEEE Transactions on Communications, 2022 - ieeexplore.ieee.org
Extremely large-scale multiple-input-multiple-output (XL-MIMO) is promising to meet the
high rate requirements for future 6G. To realize efficient precoding, accurate channel state …

Terahertz wireless channels: A holistic survey on measurement, modeling, and analysis

C Han, Y Wang, Y Li, Y Chen… - … Surveys & Tutorials, 2022 - ieeexplore.ieee.org
Terahertz (0.1-10 THz) communications are envisioned as a key technology for sixth
generation (6G) wireless systems. The study of underlying THz wireless propagation …

Covert communications: A comprehensive survey

X Chen, J An, Z Xiong, C Xing, N Zhao… - … Surveys & Tutorials, 2023 - ieeexplore.ieee.org
Information security has always been a critical issue in wireless networks. Apart from other
secure techniques, covert communication emerges as a potential solution to security for …

What will the future of UAV cellular communications be? A flight from 5G to 6G

G Geraci, A Garcia-Rodriguez, MM Azari… - … surveys & tutorials, 2022 - ieeexplore.ieee.org
What will the future of UAV cellular communications be? In this tutorial article, we address
such a compelling yet difficult question by embarking on a journey from 5G to 6G and …

Seven defining features of terahertz (THz) wireless systems: A fellowship of communication and sensing

C Chaccour, MN Soorki, W Saad… - … Surveys & Tutorials, 2022 - ieeexplore.ieee.org
Wireless communication at the terahertz (THz) frequency bands (0.1–10 THz) is viewed as
one of the cornerstones of tomorrow's 6G wireless systems. Owing to the large amount of …

Terahertz channel propagation phenomena, measurement techniques and modeling for 6G wireless communication applications: A survey, open challenges and …

D Serghiou, M Khalily, TWC Brown… - … Surveys & Tutorials, 2022 - ieeexplore.ieee.org
The Terahertz (THz) band (0.3-3.0 THz), spans a great portion of the Radio Frequency (RF)
spectrum that is mostly unoccupied and unregulated. It is a potential candidate for …

A tutorial on terahertz-band localization for 6G communication systems

H Chen, H Sarieddeen, T Ballal… - … Surveys & Tutorials, 2022 - ieeexplore.ieee.org
Terahertz (THz) communications are celebrated as key enablers for converged localization
and sensing in future sixth-generation (6G) wireless communication systems and beyond …