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Terahertz (THz) communications are envisioned as a promising technology for 6G and beyond wireless systems, providing ultra-broad bandwidth and thus Terabit-per-second (Tbps) data rates. However, as foundation of designing THz…

Signal Processing · Electrical Eng. & Systems 2023-01-04 Zhengdong Hu , Yuanbo Li , Chong Han

Terahertz (THz) communications are envisioned as a promising technology for 6G and beyond wireless systems, providing ultra-broad continuous bandwidth and thus Terabit-per-second (Tbps) data rates. However, as foundation of designing THz…

Signal Processing · Electrical Eng. & Systems 2023-06-14 Zhengdong Hu , Yuanbo Li , Chong Han

Signal measurements appearing in the form of time series are one of the most common types of data used in medical machine learning applications. However, such datasets are often small, making the training of deep neural network…

Machine Learning · Computer Science 2022-06-28 Xiaomin Li , Vangelis Metsis , Huangyingrui Wang , Anne Hee Hiong Ngu

Modern cellular systems rely increasingly on simultaneous communication in multiple discontinuous bands for macro-diversity and increased bandwidth. Multi-frequency communication is particularly crucial in the millimeter wave (mmWave) and…

Signal Processing · Electrical Eng. & Systems 2022-12-23 Yaqi Hu , Mingsheng Yin , William Xia , Sundeep Rangan , Marco Mezzavilla

Terahertz (0.1-10 THz) communications are envisioned as a key technology for sixth generation (6G) wireless systems. The study of underlying THz wireless propagation channels provides the foundations for the development of reliable THz…

Information Theory · Computer Science 2022-06-10 Chong Han , Yiqin Wang , Yuanbo Li , Yi Chen , Naveed A. Abbasi , Thomas Kürner , Andreas F. Molisch

It is well known that the inverse design of terahertz (THz) multi-resonant graphene metasurfaces by using traditional deep neural networks (DNNs) has limited generalization ability. In this paper, we propose improved Transformer and…

Optics · Physics 2023-07-25 Yangpeng Huang , Naixing Feng , Yijun Cai

Accurate channel modeling is essential for realizing the potential of terahertz (THz) communications in 6G indoor networks, where existing models struggle with severe frequency selectivity and multipath effects. We propose a physically…

Signal Processing · Electrical Eng. & Systems 2025-10-07 Ziang Zhao , Weixi Liang , Kai Hu , Qun Zhang , Xiongbin Yu , Qiang Li

Terahertz-band (100 GHz-10 THz) communication is a promising radio technology envisioned to enable ultra-high data rate, reliable and low-latency wireless connectivity in next-generation wireless systems. However, the low transmission power…

Signal Processing · Electrical Eng. & Systems 2024-08-26 Priyangshu Sen , Sherif Badran , Vitaly Petrov , Arjun Singh , Josep M. Jornet

Next-generation cellular technologies, commonly referred to as the 6G, are envisioned to support a higher system capacity, better performance, and network sensing capabilities. The THz band is one potential enabler to this end due to the…

Deep learning based generative adversarial networks (GAN) can effectively perform image reconstruction with under-sampled MR data. In general, a large number of training samples are required to improve the reconstruction performance of a…

Image and Video Processing · Electrical Eng. & Systems 2021-05-19 Jun Lv , Guangyuan Li , Xiangrong Tong , Weibo Chen , Jiahao Huang , Chengyan Wang , Guang Yang

Terahertz communication is one of the most promising wireless communication technologies for 6G generation and beyond. For THz systems to be practically adopted, channel estimation is one of the key issues. We consider the problem of…

Networking and Internet Architecture · Computer Science 2021-11-17 Mounir Bensalem , Admela Jukan

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

This article aims at providing insights for a comprehensive understanding of terahertz (THz) propagation channels. Specifically, we discuss essential THz channel characteristics to be well understood for the success of THz communications.…

Signal Processing · Electrical Eng. & Systems 2023-02-28 Xuesong Cai , Xiang Cheng , Fredrik Tufvesson

Recent advancements in Generative Adversarial Networks (GANs) enable the generation of highly realistic images, raising concerns about their misuse for malicious purposes. Detecting these GAN-generated images (GAN-images) becomes…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Hyeonseong Jeon , Youngoh Bang , Junyaup Kim , Simon S. Woo

Due to spectrum scarcity and increasing wireless capacity demands, terahertz (THz) communications at 0.1-10THz and the corresponding spectrum characterization have emerged to meet diverse service requirements in future 5G and 6G wireless…

Networking and Internet Architecture · Computer Science 2021-03-30 Chia-Hung Lin , Shih-Chun Lin , Erik Blasch

Terahertz (THz) communications are envisioned as a promising technology for sixth-generation (6G) and beyond systems, owing to its unprecedented multi-gigahertz (GHz) bandwidth. In this paper, channel measurement campaigns in indoor…

Information Theory · Computer Science 2022-05-03 Yi Chen , Chong Han , Ziming Yu , Guangjian Wang

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) 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

Style transfer describes the rendering of an image semantic content as different artistic styles. Recently, generative adversarial networks (GANs) have emerged as an effective approach in style transfer by adversarially training the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Xinyuan Chen , Chang Xu , Xiaokang Yang , Li Song , Dacheng Tao

TeraHertz (THz) communications are envisioned as a promising technology, owing to its unprecedented multi-GHz bandwidth. One fundamental challenge when moving to new spectrum is to understand the science of radio propagation and develop an…

Information Theory · Computer Science 2021-02-01 Yi Chen , Yuanbo Li , Chong Han , Ziming Yu , Guangjian Wang
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