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Related papers: Spatial-spectral Terahertz Networks

200 papers

In this work, we present an in-depth experimental and numerical study of the short-range THz communications links that use subwavelength dielectric fibers for information transmission and define main challenges and tradeoffs in the link…

The terahertz (THz) band is a promising candidate for sixth-generation wireless networks, but its deploymen in outdoor environments is challenged by meteorological phenomena, particularly fog, which imposes variable and difficult-to-predict…

The proliferation of wireless devices in recent years has caused a spectrum shortage, which led the scientific community to explore the potential of using terahertz (THz) communications. However, THz systems suffer from severe path…

Accelerator-based terahertz (THz) radiation has been expected to realize a high-power broadband source. Employing a low-emittance and short-bunch electron beam at a high repetition rate, a scheme of coherent diffraction-radiation in an…

In the evolving domain of wireless communication, the investigation on terahertz (THz) frequency spectrum, spanning 0.1 to 10 THz, has become a critical focus for advancing ultra-high-speed data transmission technologies. The effective…

Applied Physics · Physics 2024-02-05 Guohao Liu , Xiangkun He , Jiabiao Zhao , Da Li , Hong Liang , Houjun Sun , Daniel M. Mittleman , Jianjun Ma

Spintronic THz emitters, consisting of Ta/Co/Pt trilayers patterned into rectangles of lateral size in the 10 ${\mu}$m range, have been integrated in planar electromagnetic antennas of various types (dipole, bow-tie, spiral). Antenna…

The rapid growth of artificial intelligence (AI) and data-centric computing is driving exabyte-scale data transfer, pushing conventional interconnect technologies toward fundamental bandwidth and energy limits. Although optical…

Millimeter wave/Terahertz (mmWave/THz) communication with extremely large-scale antenna arrays (ELAAs) offers a promising solution to meet the escalating demand for high data rates in next-generation communications. A large array aperture,…

Signal Processing · Electrical Eng. & Systems 2024-09-30 Hongwei Wang , Jun Fang , Huiping Duan , Hongbin Li

Terahertz (THz) communication is envisioned as one of the candidate technologies for future wireless communications to enable achievable data rates of up to several terabits per second (Tbps). However, the high pathloss and molecular…

Signal Processing · Electrical Eng. & Systems 2024-03-14 Muddasir Rahim , Thanh Luan Nguyen , Georges Kaddoum , Tri Nhu Do

Terahertz (THz) waves have attracted attention as carrier waves for next-generation wireless communications (6G). Electronic THz emitters are widely used in current mobile communications; however, they may face technical limitations in 6G…

The terahertz (THz) band has attracted significant interest for future wireless networks. In this paper, a THz integrated sensing communications and powering (THz-ISCAP) system, where sensing is leveraged to enhance communications and…

Signal Processing · Electrical Eng. & Systems 2025-01-23 Hua Yan , Yunfei Chen

A proof of concept for high speed near-field imaging with sub-wavelength resolution using SLM is presented. An 8 channel THz detector array antenna with an electrode gap of 100 um and length of 5 mm is fabricated using the commercially…

Terahertz (THz) band is expected to be one of the key enabling technologies of the sixth generation (6G) wireless networks because of its abundant available bandwidth and very narrow beam width. Due to high frequency operations,…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Ahmet M. Elbir , Wei Shi , Anastasios K. Papazafeiropoulos , Pandelis Kourtessis , Symeon Chatzinotas

With the recent developments on opening the terahertz (THz) spectrum for experimental purposes by the Federal Communications Commission, transceivers operating in the range of 0.1THz-10THz, which are known as THz bands, will enable…

Signal Processing · Electrical Eng. & Systems 2021-03-02 Kürşat Tekbıyık , Ali Rıza Ekti , Güneş Karabulut Kurt , Ali Görçin , Serhan Yarkan

Thanks to the vast amount of available resources and unique propagation properties, terahertz (THz) frequency bands are viewed as a key enabler for achieving ultrahigh communication performance and precise sensing capabilities in future…

Signal Processing · Electrical Eng. & Systems 2025-01-08 Tommaso Zugno , Cristina Ciochina , Sharad Sambhwani , Patrick Svedman , Luis M. Pessoa , Ben Chen , Per Hjalmar Lehne , Mate Boban , Thomas Kürner

The position-fluid antenna (PFA) architecture has become one of the appealing technologies to support ubiquitous connectivity demand in next-generation wireless systems. Specifically, allowing the antenna to adjust its physical position to…

Information Theory · Computer Science 2024-09-04 Heyin Shen , Chong Han , Hao Liu , Tao Yang

The New Space Era has increased communication traffic in space by new space missions led by public space agencies and private companies. Mars colonization is also targeted by crewed missions in the near future. Due to increasing space…

Emerging Technologies · Computer Science 2021-10-05 Meltem Civas , Ozgur B. Akan

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…

Signal Processing · Electrical Eng. & Systems 2019-04-18 Shuai Nie , Josep M. Jornet , Ian F. Akyildiz

Terahertz frequencies are an untapped resource for providing high-speed short-range communications. As a result, it is of interest to study the propagation characteristics of terahertz waves and to develop channel models. In previous work…

Signal Processing · Electrical Eng. & Systems 2022-10-17 Thanh Le , Ha Tran , Suresh Singh

Terahertz (THz) communications has emerged as a promising technology for future wireless systems due to its potential to support extremely high data rates. However, severe path loss, blockage effects, and sensitivity to beam misalignment…

Information Theory · Computer Science 2026-02-26 Zhifeng Tang , Nan Yang , Salman Durrani , Xiangyun Zhou , Josep Miquel Jornet , Markku Juntti