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 …

Beamforming analysis and design for wideband THz reconfigurable intelligent surface communications

W Yan, W Hao, C Huang, G Sun, O Muta… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS)-aided terahertz (THz) communications have been
regarded as a promising candidate for future 6G networks because of its ultra-wide …

Single-versus multicarrier terahertz-band communications: A comparative study

S Tarboush, H Sarieddeen, MS Alouini… - IEEE Open Journal …, 2022 - ieeexplore.ieee.org
The prospects of utilizing single-carrier (SC) and multi-carrier (MC) waveforms in future
terahertz (THz)-band communication systems remain unresolved. On the one hand, the …

Multi-user orbital angular momentum based terahertz communications

R Chen, M Chen, X Xiao, W Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Terahertz (THz) wireless communications are commonly regarded as one of the key
technologies of 6G communication. Combined with THz, the newly exploited physical layer …

The far-/near-field beam squint and solutions for THz intelligent reflecting surface communications

W Hao, X You, F Zhou, Z Chu, G Sun… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Terahertz (THz) and intelligent reflecting surface (IRS) have been regarded as two
promising technologies to improve the capacity and coverage for future 6G networks …

Ultra wideband THz IRS communications: Applications, challenges, key techniques, and research opportunities

W Hao, F Zhou, M Zeng, OA Dobre… - IEEE Network, 2022 - ieeexplore.ieee.org
Terahertz (THz) communication is a promising technology for future wireless networks due
to its ultra-wide bandwidth. However, THz signals suffer from severe attenuation and poor …

Joint phase-time arrays: A paradigm for frequency-dependent analog beamforming in 6G

VV Ratnam, J Mo, A Alammouri, BL Ng, J Zhang… - IEEE …, 2022 - ieeexplore.ieee.org
Hybrid beamforming is an attractive solution to build cost-effective and energy-efficient
transceivers for millimeter-wave and terahertz systems. However, conventional hybrid …

Near-field wideband secure communications: An analog beamfocusing approach

Y Zhang, H Zhang, S Xiao, W Tang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In the rapidly advancing landscape of 6G, characterized by ultra-high-speed wideband
transmission in millimeter-wave and terahertz bands, our paper addresses the pivotal task of …

Beamforming design for the distributed RISs-aided THz communications with double-layer true time delays

G Sun, W Yan, W Hao, C Huang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this article, we investigate the reconfigurable intelligent surface (RIS)-aided terahertz
(THz) communication system with the sparse radio frequency chains antenna structure at the …

Rainbow-link: Beam-alignment-free and grant-free mmW multiple access using true-time-delay array

R Li, H Yan, D Cabric - IEEE Journal on Selected Areas in …, 2022 - ieeexplore.ieee.org
The millimeter-wave (mmW) communications is a key enabling technology in 5G to provide
ultra-high throughput. Current mmW technologies rely on analog phased arrays to realize …