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A theoretical framework and numerical simulations quantifying the impact of atmospheric group velocity dispersion on wireless terahertz communication link error rate were developed based upon experimental work. We present, for the first…

Signal Processing · Electrical Eng. & Systems 2021-04-27 Karl Strecker , Sabit Ekin , John OHara

This work investigates the temporal dispersion of a wireless terahertz communication signal caused by reflection from a rough (diffuse) surface, and its subsequent impact on symbol error rate versus data rate. Broadband measurements of…

Signal Processing · Electrical Eng. & Systems 2021-04-02 Russ Messenger , Karl Strecker , Sabit Ekin , John O'Hara

Wireless communications in the terahertz band have been recently proposed as complement to conventional wired interconnects within computing packages. Such environments are typically highly reverberant, hence showing long channel impulse…

Resonant metamaterials usually exhibit substantial dispersion, which is considered a shortcoming for many applications. Here we take advantage of the ability to tailor the dispersive response of a metamaterial introducing a new method of…

This article discusses the challenges and opportunities of managing group delay dispersion (GDD) and its relation to the performance standards of future sixth-generation (6G) wireless communication systems utilizing terahertz frequency…

Signal Processing · Electrical Eng. & Systems 2024-05-31 Karl Strecker , Sabit Ekin , John F. O'Hara

In 6G wireless communications, functional terahertz reflecting metasurfaces are expected to play increasingly important roles such as beamforming and beamsteering. This paper demonstrates the design of a functional and efficient beamforming…

Optics · Physics 2023-06-06 Fahim Ferdous Hossain , John F. OHara

With the growing demand for higher wireless data rates, the interest in extending the carrier frequency of wireless links to the terahertz (THz) range has significantly increased. For long-distance outdoor wireless communications, THz…

Signal Processing · Electrical Eng. & Systems 2024-09-19 Jianjun Ma , Yuheng Song , Mingxia Zhang , Guohao Liu , Weiming Li , John F. Federici , Daniel M. Mittleman

The ever-increasing demand for high-speed data transmission continues to motivate research and development efforts towards the sixth generation (6G) of wireless communication technologies and beyond. The use of terahertz (THz) carrier…

A 2-D spatio-temporal analysis of terahertz generation by optical rectification of tilted-pulse-fronts is presented. Closed form expressions of terahertz transients and spectra in two spatial dimensions are furnished in the undepleted…

Optics · Physics 2019-02-04 Koustuban Ravi , Franz X. Kärtner

Current statistical channel models for Terahertz (THz) wireless communication primarily concentrate on the sub-THz band, mostly with $\alpha$-$\mu$ and Gaussian mixture fading distributions for short-term fading and deterministic modeling…

Signal Processing · Electrical Eng. & Systems 2023-10-31 Pranay Bhardwaj , S. M. Zafaruddin

The terahertz frequency band, ranging from 0.1 to 10 THz, offers extensive spectral resources for next-generation wireless communication systems. To compensate for the limited transmission power of terahertz transceivers and the significant…

Applied Physics · Physics 2025-03-31 Mingxiang Li , Josep M. Jornet , Daniel M. Mittleman , Chong Han

The recent development of the terahertz waveguide makes it an excellent platform for integrating many intriguing functionalities, which offers tremendous potential to build compact and robust terahertz systems. In the context of…

Terahertz (THz) wireless communications have the potential to realize ultra-high-speed and secure data transfer with miniaturized devices for unmanned aerial vehicle (UAV) communications. Existing THz channel models for aerial scenarios…

Signal Processing · Electrical Eng. & Systems 2023-05-16 Weijun Gao , Chong Han , Zhi Chen

Absorption of terahertz radiation by atmospheric water vapor is a serious impediment for radio astronomy and for long-distance communications. Transmission in the THz regime is dependent almost exclusively on atmospheric precipitable water…

Instrumentation and Methods for Astrophysics · Physics 2014-01-30 Jonathan Y. Suen , Michael T. Fang , Philip M. Lubin

Terahertz (THz) communication ensures the provision of ultra-high data rates owing to its abundant bandwidth; however, its performance is impeded by complex propagation mechanisms. In particular, molecular absorption induces a temporal…

Signal Processing · Electrical Eng. & Systems 2025-05-02 Ahmed Naeem , Saira Rafique , Abuu B. Kihero , Huseyin Arslan

Terahertz (THz) wireless communications have the potential to realize ultra-high-speed and secure data transfer with miniaturized devices for unmanned aerial vehicle (UAV) communications. The atmospheric turbulence due to random airflow…

Systems and Control · Electrical Eng. & Systems 2024-01-29 Weijun Gao , Chong Han , Zhi Chen

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

Terahertz (THz) communication is a key enabler for 6G systems, offering ultra-wide bandwidth and unprecedented data rates. However, THz signal propagation differs significantly from lower-frequency bands due to severe free space path loss,…

Signal Processing · Electrical Eng. & Systems 2025-05-13 John Song , Lihao Zhang , Feng Ye , Haijian Sun

Providing continuous bandwidth over several tens of GHz, the Terahertz (THz) band (0.1-10 THz) supports space-air-ground integrated network (SAGIN) in 6G and beyond wireless networks. However, it is still mystery how THz waves interact with…

Systems and Control · Electrical Eng. & Systems 2023-08-03 Zhirong Yang , Weijun Gao , Chong Han

The Terahertz band, spanning from 0.1~THz to 10~THz, is envisioned as a key technology to realize ultra-high data rates in the 6G and beyond mobile communication systems, due to its abundant bandwidth resource. However, to realize THz…

Information Theory · Computer Science 2024-02-09 Yuanbo Li , Yiqin Wang , Yi Chen , Ziming Yu , Chong Han
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