Publications (18)
Correlation-based Dual-band THz Channel Measurements and Characterization in a Laboratory
Yuanbo Li, Yiqin Wang, Yi Chen +2
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 it…
Environment Reconstruction in Terahertz Monostatic Sensing: Joint Millimeter-level Geometry Mapping and Material Identification
Zitong Fang, Yejian Lyu, Ziming Yu +1
Terahertz (THz) integrated sensing and communication (ISAC) offers high-speed communication alongside precise environmental sensing. This paper presents a computationally efficient…
Global River Forecasting with a Topology-Informed AI Foundation Model
Hancheng Ren, Gang Zhao, Shuo Wang +11
River systems operate as inherently interconnected continuous networks, meaning river hydrodynamic simulation ought to be a systemic process. However, widespread hydrology data sca…
Zeroth-Order Fine-Tuning of LLMs in Random Subspaces
Ziming Yu, Pan Zhou, Sike Wang +3
Fine-tuning Large Language Models (LLMs) has proven effective for a variety of downstream tasks. However, as LLMs grow in size, the memory demands for backpropagation become increa…
Centimeter-level Geometry Reconstruction and Material Identification in 300 GHz Monostatic Sensing
Zitong Fang, Ziming Yu, Chong Han
Terahertz (THz) integrated sensing and communication (ISAC) technology is envisioned to achieve high communication performance alongside advanced sensing abilities. For various app…
300 GHz Dual-Band Channel Measurement, Analysis and Modeling in an L-shaped Hallway
Yiqin Wang, Yuanbo Li, Chong Han +2
The Terahertz (THz) band (0.1-10 THz) has been envisioned as one of the promising spectrum bands for sixth-generation (6G) and beyond communications. In this paper, a dual-band ang…
Channel Measurement, Characterization and Modeling for Terahertz Indoor Communications Above 200 GHz
Yi Chen, Chong Han, Ziming Yu +1
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…
220 GHz Urban Microcell Channel Measurement and Characterization on a University Campus
Yuanbo Li, Yiqin Wang, Yejian Lyu +2
Owning abundant bandwidth resources, the Terahertz (THz) band (0.1-10~THz) is envisioned as a key technology to realize ultra-high-speed communications in 6G and beyond wireless ne…
Channel Measurement and Coverage Analysis for NIRS-Aided THz Communications in Indoor Environments
Yuanbo Li, Yiqin Wang, Yi Chen +2
Due to large reflection and diffraction losses in the THz band, it is arguable to achieve reliable links in the none-line-of-sight (NLoS) cases. Intelligent reflecting surfaces, al…
DTECM: Digital Twin Enabled Channel Measurement and Modeling in Terahertz Urban Macrocell
Yuanbo Li, Ziming Yu, Chong Han
In this work, in the THz UMa, extensive channel measurements are conducted and an accurate channel model is developed by combining ray-tracing, computer vision (CV), and statistica…
When Wires Can't Keep Up: Reconfigurable AI Data Centers Empowered by Terahertz Wireless Communications
Chong Han, Mingjie Zhu, Wenqi Zhao +5
The explosive growth of artificial intelligence (AI) workloads in modern data centers demands a radical transformation of interconnect architectures. Traditional copper and optical…
Channel Measurement and Ray-Tracing-Statistical Hybrid Modeling for Low-Terahertz Indoor Communications
Yi Chen, Yuanbo Li, Chong Han +2
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…
DSS-o-SAGE: Direction-Scan Sounding-Oriented SAGE Algorithm for Channel Parameter Estimation in mmWave and THz Bands
Yuanbo Li, Chong Han, Yi Chen +2
Investigation of millimeter (mmWave) and Terahertz (THz) channels relies on channel measurements and estimation of multi-path component (MPC) parameters. As a common measurement te…
Terahertz Channel Measurement and Analysis on a University Campus Street
Yiqin Wang, Yuanbo Li, Yi Chen +2
Owning abundant bandwidth resource, the Terahertz (0.1-10 THz) band is a promising spectrum to support sixth-generation (6G) and beyond communications. As the foundation of channel…
A Measurement-Calibrated AI-Assisted Digital Twin for Terahertz Wireless Data Centers
Mingjie Zhu, Yejian Lyu, Ziming Yu +1
Terahertz (THz) wireless communication has emerged as a promising solution for future data center interconnects; however, accurate channel characterization and system-level perform…
300 GHz Wideband Channel Measurement and Analysis in a Lobby
Yiqin Wang, Yuanbo Li, Yi Chen +2
The Terahertz (0.1-10 THz) band has been envisioned as one of the promising spectrum bands to support ultra-broadband sixth-generation (6G) and beyond communications. In this paper…
Channel Measurement and Path-Loss Characterization for Low-Terahertz Indoor Scenarios
Jia He, Yi Chen, Yiqin Wang +2
TeraHertz (THz) communications are envisioned as a promising technology, owing to its unprecedented multi-GHz bandwidth. In this paper, wideband channel measurement campaigns at 14…
300 GHz Channel Measurement and Characterization in the Atrium of a Building
Yuanbo Li, Yiqin Wang, Yi Chen +2
With abundant bandwidth resource, the Terahertz band (0.1~THz to 10~THz) is envisioned as a key technology to realize ultra-high data rates in the 6G and beyond mobile communicatio…