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Terahertz (THz) communication is considered as an attractive way to overcome the bandwidth bottleneck and satisfy the ever-increasing capacity demand in the future. Due to the high directivity and propagation loss of THz waves, a massive…

信息论 · 计算机科学 2021-10-05 Boyu Ning , Zhi Chen , Zhongbao Tian , Chong Han , Shaoqian Li

Millimeter-wave (30-300 GHz) and Terahertz-band communications (0.3-10 THz) are envisioned as key wireless technologies to satisfy the demand for Terabit-per-second (Tbps) links in the 5G and beyond eras. The very large available bandwidth…

信号处理 · 电气工程与系统科学 2019-04-18 Shuai Nie , Josep M. Jornet , Ian F. Akyildiz

The THz band (0.1-10 THz) is emerging as a crucial enabler for sixth-generation (6G) mobile communication systems, overcoming the limitations of current technologies and unlocking new opportunities for low-latency and ultra-high-speed…

信号处理 · 电气工程与系统科学 2025-09-03 Minseok Kim , Jun-ichi Takada , Minghe Mao , Che Chia Kang , Xin Du , Anirban Ghosh

TeraHertz (THz) communications are envisioned as a promising technology, owing to its unprecedented multi-GHz bandwidth. One fundamental challenge when moving to new spectrum is to understand the science of radio propagation and develop an…

信息论 · 计算机科学 2021-02-01 Yi Chen , Yuanbo Li , Chong Han , Ziming Yu , Guangjian Wang

The prospect of ultra-massive multiple-input multiple-output (UM-MIMO) technology to combat the distance problem at the Terahertz (THz)-band is considered. It is well-known that the very large available bandwidths at THz frequencies come at…

信号处理 · 电气工程与系统科学 2019-07-16 Hadi Sarieddeen , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

To achieve ubiquitous connectivity in next-generation networks through aerospace communications while maintaining high data rates, Terahertz (THz) band communications (0.1-10 THz) with large continuous bandwidths are considered a promising…

信号处理 · 电气工程与系统科学 2025-02-26 Weijun Gao , Chong Han , Zhi Chen , Yong Chen , Yuanzhi He , Wenjun Zhang

Millimeter wave (mmWave) and terahertz (THz) radio access technologies (RAT) are expected to become a critical part of the future cellular ecosystem providing an abundant amount of bandwidth in areas with high traffic demands. However,…

网络与互联网体系结构 · 计算机科学 2021-11-19 Dmitri Moltchanov , Eduard Sopin , Vyacheslav Begishev , Andrey Samuylov , Yevgeni Koucheryavy , Konstantin Samouylov

Digital revolution and recent advances in telecommunications technology enable to design communication systems which operate within the regions close to the theoretical capacity limits. Ever-increasing demand for wireless communications and…

This paper investigates the performance of terahertz~(THz) wireless systems over the $\alpha$-$\mathcal{F}$ fading channels with beam misalignment and mobility. New expressions are derived for the probability density, cumulative…

信号处理 · 电气工程与系统科学 2025-09-24 Wamberto J. L. Queiroz , Hugerles S. Silva , Higo T. P. Silva , Alexandros-Apostolos A. Boulogeorgos

Mobility and blockage are two critical challenges in wireless transmission over millimeter-wave (mmWave) and Terahertz (THz) bands. In this paper, we investigate network massive multiple-input multiple-output (MIMO) transmission for…

信号处理 · 电气工程与系统科学 2020-11-24 Li You , Xu Chen , Xiaohang Song , Fan Jiang , Wenjin Wang , Xiqi Gao , Gerhard Fettweis

Communication in millimeter wave (mmWave) and even terahertz (THz) frequency bands is ushering in a new era of wireless communications. Beam management, namely initial access and beam tracking, has been recognized as an essential technique…

信息论 · 计算机科学 2024-02-07 Qing Xue , Chengwang Ji , Shaodan Ma , Jiajia Guo , Yongjun Xu , Qianbin Chen , Wei Zhang

Terahertz frequency bands will likely be used for the next-generation wireless communication systems to provide data rates of hundreds of Gbps or even Tbps because of the wide swaths of unused and unexplored spectrum. This paper presents…

信息论 · 计算机科学 2021-10-26 Yunchou Xing , Theodore S. Rappaport

Using tools from stochastic geometry, this paper develops a tractable framework to analyze the performance of a mobile user in a two-tier wireless network operating on sub-6GHz and terahertz (THz) transmission frequencies. Specifically,…

信息论 · 计算机科学 2021-12-21 Md Tanvir Hossan , Hina Tabassum

Wireless communications over Terahertz (THz)-band frequencies are vital enablers of ultra-high rate applications and services in sixth-generation (6G) networks. However, THz communications suffer from poor coverage because of inherent THz…

Millimeter-wave (mm-wave) communications incur a high beam alignment cost in mobile scenarios such as vehicular networks. Therefore, an efficient beam alignment mechanism is required to mitigate the resulting overhead. In this paper, a…

信息论 · 计算机科学 2018-01-30 Nicolo Michelusi , Muddassar Hussain

Millimeter-wave (mmWave) communication technology offers a potential and promising solution to support 5G and B5G wireless networks in dynamic scenarios and applications. However, mobility introduces many challenges as well as opportunities…

信息论 · 计算机科学 2022-05-20 Jing Li , Yong Niu , Hao Wu , Bo Ai , Sheng Chen , Zhiyong Feng , Zhangdui Zhong , Ning Wang

Terahertz (THz)-band communications are currently being celebrated as a key technology that could fulfill the increasing demands for wireless data traffic in the upcoming sixth-generation (6G) of wireless communications. Many challenges,…

信号处理 · 电气工程与系统科学 2020-09-08 Alice Faisal , Hadi Sarieddeen , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Terahertz (THz) communication systems hold immense potential for high-speed data transfer across various domains yet face challenges due to directionality constraints because of free space path loss. To address this, directional beams are…

Terahertz (THz) communication systems suffer severe blockage issues, which may significantly degrade the communication coverage and quality. Bending beams, capable of adjusting their propagation direction to bypass obstacles, have recently…

信号处理 · 电气工程与系统科学 2025-04-08 Aoran Liu , Weidong Mei , Peilan Wang , Dong Wang , Ya Fei Wu , Zhi Chen , Boyu Ning

Ultra-high bandwidth, negligible latency and seamless communication for devices and applications are envisioned as major milestones that will revolutionize the way by which societies create, distribute and consume information. The…

信号处理 · 电气工程与系统科学 2019-07-12 Hadeel Elayan , Osama Amin , Basem Shihada , Raed M. Shubair , Mohamed-Slim Alouini