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In the millimeter wave (30-300 GHz) and Terahertz (0.1-10 THz) frequency bands, high spreading loss and molecular absorption often limit the signal transmission distance and coverage range. In this paper, four directions to tackle the…

Signal Processing · Electrical Eng. & Systems 2019-02-14 Ian F. Akyildiz , Chong Han , Shuai Nie

Terahertz (THz) frequencies are important for next generation wireless systems due to the advantages in terms of large available bandwidths. On the other hand, the limited range due to high attenuation in these frequencies can be overcome…

Signal Processing · Electrical Eng. & Systems 2024-05-31 Hasan Nayir , Erhan Karakoca , Güneş Karabulut Kurt , Ali Görçin

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

The current focus of academia and the telecommunications industry has been shifted to the development of the six-generation (6G) cellular technology, also formally referred to as IMT-2030. Unprecedented applications that 6G aims to…

Information Theory · Computer Science 2023-10-26 Wei Jiang , Hans D. Schotten

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

The unprecedented increase in wireless data traffic, predicted to occur within the next decade, is motivating academia and industries to look beyond contemporary wireless standards and conceptualize the sixth-generation (6G) wireless…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Akram Shafie , Nan Yang , Chong Han , Josep Miquel Jornet , Markku Juntti , Thomas Kurner

Wireless communications in the millimeter wave (mmWave) and terahertz (THz) spectrum allow harnessing large frequency bands, thus achieving ultra-high data rates. However, the inherently short wavelengths of mmWave and THz signals lead to…

Signal Processing · Electrical Eng. & Systems 2026-05-06 Peng Zhang , Vitaly Petrov , Emil Björnson

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…

Information Theory · Computer Science 2017-08-01 Ali Rıza Ekti , Ali Boyacı , Altan Alparslan , Ilhami Unal , Serhan Yarkan , Ali Gorcin , Huseyin Arslan , Murat Uysal

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

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,…

Signal Processing · Electrical Eng. & Systems 2020-09-08 Alice Faisal , Hadi Sarieddeen , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Millimeter-wave (mmWave) and terahertz (THz) communication systems typically deploy large antenna arrays to guarantee sufficient receive signal power. The beam training overhead associated with these arrays, however, make it hard for these…

Signal Processing · Electrical Eng. & Systems 2022-05-25 Gouranga Charan , Andrew Hredzak , Christian Stoddard , Benjamin Berrey , Madhav Seth , Hector Nunez , Ahmed Alkhateeb

This article discusses the basic system architecture for terahertz (THz) wireless links with bandwidths of more than 50 GHz into optical networks. New design principles and breakthrough technologies are required in order to demonstrate Tbps…

In this paper, we introduce an innovative super resolution approach to emerging modes of near-field synthetic aperture radar (SAR) imaging. Recent research extends convolutional neural network (CNN) architectures from the optical to the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Christos Vasileiou , Josiah W. Smith , Shiva Thiagarajan , Matthew Nigh , Yiorgos Makris , Murat Torlak

Chip-based terahertz (THz) devices are emerging as versatile tools for manipulating mm-wave frequencies in the context of integrated high-speed communication technologies for potential sixth-generation (6G) wireless applications. The…

Terahertz (THz) and sub-THz frequency emitter and detector technologies are receiving increasing attention, underpinned by emerging applications in ultra-fast THz physics, frequency-combs technology and pulsed laser development in this…

Terahertz (THz) communication is a promising technology for future wireless networks due to its ultra-wide bandwidth. However, THz signals suffer from severe attenuation and poor diffraction capability, making it vulnerable to blocking…

Information Theory · Computer Science 2022-02-16 Wanming Hao , Fuhui Zhou , Ming Zeng , Octavia A. Dobre , Naofal Al-Dhahir

Terahertz (THz) communication (0.1-10 THz) is regarded as a promising technology, which provides rich available bandwidth and high data rate of terahertz bit per second (Tbps). However, THz signals suffer from high path loss, which…

Information Theory · Computer Science 2021-05-26 Sha Xie , Lingxiang Li , Zhi Chen , Shaoqian Li

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…

Wireless communications in the THz frequency band is an envisioned revolutionary technology for sixth Generation (6G) networks. However, such frequencies impose certain coverage and device design challenges that need to be efficiently…

Networking and Internet Architecture · Computer Science 2024-03-14 George C. Alexandropoulos , Antonio Clemente , Sérgio Matos , Ryan Husbands , Sean Ahearne , Qi Luo , Verónica Lain-Rubio , Thomas Kürner , Luís M. Pessoa

Imaging systems operating in the terahertz part of the electromagnetic spectrum are in great demand because of the distinct characteristics of terahertz waves in penetrating many optically-opaque materials and providing unique spectral…

Optics · Physics 2024-01-09 Xurong Li , Deniz Mengu , Aydogan Ozcan , Mona Jarrahi