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Terahertz (THz) integrated sensing and communication (ISAC) enables simultaneous data transmission with Terabit-per-second (Tbps) rate and millimeter-level accurate sensing. To realize such a blueprint, ultra-massive antenna arrays with…

Information Theory · Computer Science 2024-03-27 Yongzhi Wu , Chong Han , Meixia Tao

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

In this paper, a novel three-dimensional (3D) space-time-frequency (STF) non-stationary geometry-based stochastic model (GBSM) is proposed for the sixth generation (6G) terahertz (THz) wireless communication systems. The proposed THz…

Signal Processing · Electrical Eng. & Systems 2021-04-21 Jun Wang , Cheng-Xiang Wang , Jie Huang , Haiming Wang , Xiqi Gao

Curved electromagnetic beams at terahertz (THz) frequencies have recently emerged as a powerful example of wavefront engineering, with applications in imaging and high-capacity wireless communications. Unlike canonical self-accelerating…

Optics · Physics 2026-02-11 Wei Jia , Miguel Gomez , Steve Blair , Berardi Sensale-Rodriguez

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…

Signal Processing · Electrical Eng. & Systems 2019-07-12 Hadeel Elayan , Osama Amin , Basem Shihada , Raed M. Shubair , Mohamed-Slim Alouini

In this paper, we develop a novel analytical framework for a three-dimensional (3D) indoor terahertz (THz) communication system. Our proposed model incorporates more accurate modeling of wall blockages via Manhattan line processes and…

Information Theory · Computer Science 2024-10-08 Zhifeng Tang , Nan Yang , Salman Durrani , Xiangyun Zhou , Markku Juntti , Josep Miquel Jornet

Near-field imaging with terahertz (THz) waves is emerging as a powerful technique for fundamental research in photonics and across physical and life sciences. Spatial resolution beyond the diffraction limit can be achieved by collecting THz…

Terahertz lies at the juncture between RF and optical electromagnetism, serving as a transition from mm-Wave to infrared photonics. Terahertz technology has been used for industrial quality control, security imaging, and high-speed…

Mesoscale and Nanoscale Physics · Physics 2024-07-29 Boxun Yan , Bundel Pooja , Chi-Hou Chan , Mau-Chung Frank Chang

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

Signal Processing · Electrical Eng. & Systems 2020-03-02 Jun Wang , Cheng-Xiang Wang , Jie Huang , Haiming Wang

This paper investigates terahertz ultra-massive (UM)-MIMO-based angle estimation for space-to-air communications, which can solve the performance degradation problem caused by the dual delay-beam squint effects of terahertz UM-MIMO…

Information Theory · Computer Science 2021-08-21 Anwen Liao , Zhen Gao , Yang Yang , Ha H. Nguyen , Hua Wang , Hao Yin

The Terahertz (0.1-10 THz) band holds enormous potential for supporting unprecedented data rates and millimeter-level accurate sensing thanks to its ultra-broad bandwidth. Terahertz integrated sensing and communication (ISAC) is viewed as a…

Signal Processing · Electrical Eng. & Systems 2023-01-20 Chong Han , Yongzhi Wu , Zhi Chen , Yi Chen , Guangjian Wang

Terahertz (THz) communication is envisioned as one of the possible technologies for the sixth-generation (6G) communication system due to its rich spectrum. To evaluate the performance of THz communication, it is essential to propose THz…

Signal Processing · Electrical Eng. & Systems 2024-07-29 Zhaowei Chang , Jianhua Zhang , Pan Tang , Lei Tian , Hao Jiang , Ximan Liu , and Guangyi Liu

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…

Information Theory · Computer Science 2021-10-26 Yunchou Xing , Theodore S. Rappaport

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…

The terahertz (THz) band is a key enabler for future wireless systems, promising ultra-high data rates and dense spatial reuse. However, the reliability of THz links remains a major challenge due to severe path loss and small-scale fading…

Signal Processing · Electrical Eng. & Systems 2026-01-23 Almutasem Bellah Enad , Jihad Fahs , Hakim Jemaa , Hadi Sarieddeen , Tareq Y. Al-Naffouri

Hybrid beamforming for Terahertz (THz) ultra-massive multiple-input multiple-output (UM-MIMO) systems is a promising technology for 6G space-air-ground integrated networks, which can overcome huge propagation loss and offer unprecedented…

Information Theory · Computer Science 2022-02-08 Longfei Yan , Chong Han , Jinhong Yuan

Wireless communication in millimetre wave bands, namely above 20 GHz and up to 300 GHz, is foreseen as a key enabler technology for the next generation of wireless systems. The huge available bandwidth is contemplated to achieve high…

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…

Signal Processing · Electrical Eng. & Systems 2019-07-16 Hadi Sarieddeen , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

Terahertz (THz) communications have naturally promising physical layer security (PLS) performance in the angular domain due to the high directivity feature brought by the ultra-massive multiple-antenna techniques. However, traditional…

Information Theory · Computer Science 2022-07-26 Weijun Gao , Xuyang Lu , Chong Han , Zhi Chen

Line-of-sight (LOS) wireless communication at terahertz (THz) frequency bands is envisioned to play a major role in defining next-generation wireless technologies. This work analyzes the performance of a potential LOS THz system…

Information Theory · Computer Science 2022-12-22 Rayyan Abdalla , A. Brinton Cooper