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The development of mobile terahertz (THz) sensing and localization with minimal infrastructure has garnered significant attention due to its substantial practical implications. Single-antenna radar systems are a favored choice for mobile…

Signal Processing · Electrical Eng. & Systems 2025-02-06 Furkan Ilgac , Aydin Sezgin

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…

Signal Processing · Electrical Eng. & Systems 2025-09-24 Wamberto J. L. Queiroz , Hugerles S. Silva , Higo T. P. Silva , Alexandros-Apostolos A. Boulogeorgos

The terahertz (THz) band, 0.1-10 THz, has sufficient resources not only to satisfy the 5G requirements of 10 Gbit/s peak data rate but to enable a number of tempting rate-greedy applications. However, the THz band brings novel challenges,…

Networking and Internet Architecture · Computer Science 2018-03-28 Vitaly Petrov , Joonas Kokkoniemi , Dmitri Moltchanov , Janne Lehtomaki , Yevgeni Koucheryavy , Markku Juntti

Next-generation wireless systems are rapidly evolving from communication-only systems to multi-modal systems with integrated sensing and communications. In this paper a novel joint sensing and communication framework is proposed for…

Information Theory · Computer Science 2021-11-30 Christina Chaccour , Walid Saad , Omid Semiari , Mehdi Bennis , Petar Popovski

Sub-terahertz (sub-THz) frequencies (100--300 GHz) are expected to play a key role in beyond-5G and 6G mobile networks. However, their quasi-optical propagation characteristics require new channel models beyond sub-100 GHz extrapolations.…

Signal Processing · Electrical Eng. & Systems 2026-03-03 Minseok Kim , Masato Yomoda , Minghe Mao , Nobuaki Kuno , Koshiro Kitao , Satoshi Suyama

We demonstrate the reliability and applicability of THz imaging for destructive and non-destructive water status monitoring of winter wheat leaves. Based on the measured THz transmission amplitude, we find that the water loss in the distal…

Biological Physics · Physics 2020-08-28 Bin Li , Rong Wang , Jianjun Ma

Terahertz-based nano-networks are emerging as a groundbreaking technology able to play a decisive role in future medical applications owing to their ability to precisely quantify figures, such as the viral load in a patient or to predict…

Networking and Internet Architecture · Computer Science 2021-03-19 Sebastian Canovas-Carrasco , Rafael Asorey-Cacheda , Antonio-Javier Garcia-Sanchez , Joan Garcia-Haro , Krzysztof Wojcik , Pawel Kulakowski

Metasurfaces providing resonances arising from quasi-bound states in the continuum have been proposed as sensors in the THz band due to the existence of strong resonances characterized by high quality factors. Controlling geometrical…

Optics · Physics 2023-01-06 J. A. Álvarez-Sanchis , B. Vidal , S. A. Tretyakov , A. Díaz-Rubio

Due to spectrum scarcity and increasing wireless capacity demands, terahertz (THz) communications at 0.1-10THz and the corresponding spectrum characterization have emerged to meet diverse service requirements in future 5G and 6G wireless…

Networking and Internet Architecture · Computer Science 2021-03-30 Chia-Hung Lin , Shih-Chun Lin , Erik Blasch

The Terahertz (THz) band (0.1-10 THz) has been envisioned as one of the promising spectrum bands for sixth-generation (6G) and beyond communications. In this paper, a dual-band angular-resolvable wideband channel measurement in an indoor…

Information Theory · Computer Science 2023-05-24 Yiqin Wang , Yuanbo Li , Chong Han , Yi Chen , Ziming Yu

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…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Minseok Kim , Jun-ichi Takada , Minghe Mao , Che Chia Kang , Xin Du , Anirban Ghosh

This paper proposes a three-dimensional (3D) communication channel model for an indoor environment considering the effect of the Hypersurface. The Hypersurface is a software controlled intelligent metasurface, which can be used to…

In transmission-mode terahertz time-domain spectroscopy (THz-TDS), the thickness of a sample is a critical factor that determines an amount of the interaction between terahertz waves and bulk material. If the interaction length is too…

Optics · Physics 2014-01-15 Withawat Withayachumnankul

An efficient channel estimation is of vital importance to help THz communication systems achieve their full potential. Conventional uplink channel estimation methods, such as least square estimation, are practically inefficient for THz…

Signal Processing · Electrical Eng. & Systems 2024-11-26 Sagnik Bhattacharya , Abhishek K. Gupta

The use of sub-Terahertz (sub-THz) band is gaining considerable attention in 6G networks. In this study, we introduce hardware and propagation integrated 3D Propagation Model to describe sub-THz channels and discuss its advantages over both…

Signal Processing · Electrical Eng. & Systems 2024-03-29 Eray Guven , Gunes Karabulut Kurt

Due to large reflection and diffraction losses in the THz band, it is arguable to achieve reliable links in the none-line-of-sight (NLoS) cases. Intelligent reflecting surfaces, although are expected to solve the blockage problem and…

Information Theory · Computer Science 2023-06-14 Yuanbo Li , Yiqin Wang , Yi Chen , Ziming Yu , Chong Han

The electromagnetic spectrum in the terahertz frequency region is of significant importance for understanding the formation and evolution of galaxies and stars throughout the history of the universe and the process of planet formation.…

Integrated super-resolution sensing and communication (ISSAC) has emerged as a promising technology to achieve extremely high precision sensing for those key parameters, such as the angles of the sensing targets. In this paper, we propose…

Signal Processing · Electrical Eng. & Systems 2024-07-31 Jingran Xu , Huizhi Wang , Yong Zeng , Xiaoli Xu , Qingqing Wu , Fei Yang , Yan Chen , Abbas Jamalipour

Terahertz (THz) communication is now being considered as one of possible technologies for the sixth generation (6G) wireless communication systems. In this paper, a novel three-dimensional (3D) space-time-frequency non-stationary…

Signal Processing · Electrical Eng. & Systems 2021-08-17 Jun Wang , Cheng-Xiang Wang , Jie Huang , Haiming Wang , Xiqi Gao , Xiaohu You , Yang Hao

The sixth generation (6G) wireless networks aim to achieve ultra-high data transmission rates, very low latency and enhanced energy-efficiency. To this end, terahertz (THz) band is one of the key enablers of 6G to meet such requirements.…

Signal Processing · Electrical Eng. & Systems 2024-10-07 Ahmet M. Elbir , Kumar Vijay Mishra , Symeon Chatzinotas , Mehdi Bennis