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Although Terahertz communication systems can provide high data rates, it needs high directional beamforming at transmitters and receivers to achieve such rates over a long distance. Therefore, an efficient beam training method is vital to…

Information Theory · Computer Science 2022-01-03 Songjie Yang , Zhongpei Zhang , Zhenzhen Hu , Nuan Song , Hao Liu

Terahertz (THz) technology, a cornerstone of next-generation high-speed communication and sensing, has long been hindered by impedance mismatch challenges that limit device performance and applicability. These challenges become particularly…

Terahertz (THz) communication can offer terabit-per-second rates in future wireless systems, thanks to the ultra-wide bandwidths, but require large antenna arrays. As antenna apertures expand and we enter the near-field scenarios, the…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Wenqi Zhao , Chong Han , Emil Björnson

Terahertz (THz) wireless communication is envisioned as a promising technology, which is capable of providing ultra-high-rate transmission up to Terabit per second. However, some hardware imperfections, which are generally neglected in the…

Signal Processing · Electrical Eng. & Systems 2021-06-24 Tianqi Mao , Zhaocheng Wang

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

In this paper, we propose an efficient beam tracking method for mobility scenario in mmWave-band communications. When the position of the mobile changes in mobility scenario, the base-station needs to perform beam training frequently to…

Information Theory · Computer Science 2017-02-02 Jisu Bae , Sun Hong Lim , Jin Hyeok Yoo , Jun Won Choi

Climate change resulting from the misuse and over-exploitation of natural resources has affected and continues to impact the planet's ecosystem. This pressing issue is leading to the development of novel technologies to sense and measure…

Signal Processing · Electrical Eng. & Systems 2021-10-08 Lasantha Thakshila Wedage , Bernard Butler , Sasitharan Balasubramaniam , Yevgeni Koucheryavy , Josep M. Jornet

Vision-aided wireless communication is motivated by the recent advances in deep learning and computer vision as well as the increasing dependence on line-of-sight links in millimeter wave (mmWave) and terahertz systems. By leveraging…

Signal Processing · Electrical Eng. & Systems 2020-02-14 Muhammad Alrabeiah , Jayden Booth , Andrew Hredzak , Ahmed Alkhateeb

Terahertz (THz) sensing is a promising imaging technology for a wide variety of different applications. Extracting the interpretable and physically meaningful parameters for such applications, however, requires solving an inverse problem in…

Computer Vision and Pattern Recognition · Computer Science 2019-10-30 Tak Ming Wong , Matthias Kahl , Peter Haring Bolívar , Andreas Kolb , Michael Möller

Beam training and prediction in millimeter-wave communications are highly challenging due to fast time-varying channels and sensitivity to blockages and mobility. In this context, infrastructure-mounted cameras can capture rich…

Signal Processing · Electrical Eng. & Systems 2026-01-29 Mengyuan Ma , Nhan Thanh Nguyen , Nir Shlezinger , Yonina C. Eldar , Markku Juntti

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

In this paper, we propose a quadruple-UPA architecture for realizing the beamforming with wide coverage in terahertz (THz) communication. Considering the severe path loss suffered in the THz wave propagation, the pilot signals of…

Information Theory · Computer Science 2021-04-08 Zhongbao Tian , Zhi Chen , Boyu Ning

For decades, the terahertz (THz) frequency band had been primarily explored in the context of radar, imaging, and spectroscopy, where multi-gigahertz (GHz) and even THz-wide channels and the properties of terahertz photons offered…

Networking and Internet Architecture · Computer Science 2024-06-11 Josep M. Jornet , Vitaly Petrov , Hua Wang , Zoya Popovic , Dipankar Shakya , Jose V. Siles , Theodore S. Rappaport

Wireless communication in the TeraHertz band (0.1--10 THz) is envisioned as one of the key enabling technologies for the future sixth generation (6G) wireless communication systems scaled up beyond massive multiple input multiple output…

Signal Processing · Electrical Eng. & Systems 2022-06-23 Chongwen Huang , Zhaohui Yang , George C. Alexandropoulos , Kai Xiong , Li Wei , Chau Yuen , Zhaoyang Zhang , Merouane Debbah

The codebook-based analog beamforming is appealing for future terahertz (THz) communications since it can generate high-gain directional beams with low-cost phase shifters via low-complexity beam training. However, conventional beamforming…

Signal Processing · Electrical Eng. & Systems 2024-10-23 Boyu Ning , Weidong Mei , Lipeng Zhu , Zhi Chen , Rui Zhang

Visual information, captured for example by cameras, can effectively reflect the sizes and locations of the environmental scattering objects, and thereby can be used to infer communications parameters like propagation directions, receiver…

Signal Processing · Electrical Eng. & Systems 2022-07-26 Weihua Xu , Feifei Gao , Xiaoming Tao , Jianhua Zhang , Ahmed Alkhateeb

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

TeraHertz (THz) communications are envisioned as a promising technology, owing to its unprecedented multi-GHz bandwidth. In this paper, wideband channel measurement campaigns at 140 GHz and 220 GHz are conducted in indoor scenarios…

Information Theory · Computer Science 2021-04-02 Jia He , Yi Chen , Yiqin Wang , Ziming Yu , Chong Han

The Terahertz (THz) band (0.1-10 THz) has emerged as a critical frontier for future communication systems, offering ultra-wide bandwidths that enable Terabits-per-second (Tbps) wireless links and high-precision sensing and imaging. However,…

Signal Processing · Electrical Eng. & Systems 2026-04-27 Chong Han , Jingting Jiang , Zhengdong Hu , Meixia Tao , Wenjun Zhang

Beamforming techniques are utilized in millimeter wave (mmWave) communication to address the inherent path loss limitation, thereby establishing and maintaining reliable connections. However, adopting standard defined beamforming approach…

Networking and Internet Architecture · Computer Science 2025-09-16 Muhammad Baqer Mollah , Honggang Wang , Hua Fang