Publications (10)
Satellite-Terrestrial Channel Characterization in High-Speed Railway Environment at 22.6 GHz
Lei Ma, Ke Guan, Dong Yan +4
The integration of satellite and terrestrial communication systems plays a vital role in the fifth-generation mobile communication system (5G) for the ubiquitous coverage, reliable…
Terahertz Signal Coverage Enhancement in Hall Scenarios Based on Single-Hop and Dual-Hop Reconfigurable Intelligent Surfaces
Ben Chen, Zhangdui Zhong, Ke Guan +4
Terahertz (THz) communication offers ultra-high data rates and has emerged as a promising technology for future wireless networks. However, the inherently high free-space path loss…
Analytical Modeling of UAV-to-Vehicle Propagation Channels in Built-Up Areas
Zhuangzhuang Cui, Ke Guan, César Briso +4
This letter presents an analytical path loss model for air-ground (AG) propagation between unmanned aerial vehicles (UAVs) and ground-based vehicles. We consider built-up areas, su…
Super-resolution of Ray-tracing Channel Simulation via Attention Mechanism based Deep Learning Model
Haoyang Zhang, Danping He, Xiping Wang +3
As an emerging approach, deep learning plays an increasingly influential role in channel modeling. Traditional ray tracing (RT) methods of channel modeling tend to be inefficient a…
A Ray-tracing and Deep Learning Fusion Super-resolution Modeling Method for Wireless Mobile Channel
Zhao Zhang, Danping He, Xiping Wang +3
Mobile channel modeling has always been the core part for design, deployment and optimization of communication system, especially in 5G and beyond era. Deterministic channel modeli…
5G Channel Models for Railway Use Cases at mmWave Band and the Path Towards Terahertz
Ke Guan, Juan Moreno Garcia-Lloygorri, Bo Ai +6
High-speed trains are one of the most relevant scenarios for the fifth-generation (5G) mobile communications and the "smart rail mobility" vision, where a high-data-rate wireless c…
A Multi-Task Learning Model for Super Resolution of Wireless Channel Characteristics
Xiping Wang, Zhao Zhang, Danping He +3
Channel modeling has always been the core part in communication system design and development, especially in 5G and 6G era. Traditional approaches like stochastic channel modeling…
Reconfigurable Intelligent Surface Enabled Spatial Multiplexing with Fully Convolutional Network
Bile Peng, Jan-Aike Termöhlen, Cong Sun +4
Reconfigurable intelligent surface (RIS) is an emerging technology for future wireless communication systems. In this work, we consider downlink spatial multiplexing enabled by the…
A 3D Modeling Method for Scattering on Rough Surfaces at the Terahertz Band
Ben Chen, Ke Guan, Danping He +5
The terahertz (THz) band (0.1-10 THz) is widely considered to be a candidate band for the sixth-generation mobile communication technology (6G). However, due to its short wavelengt…
Probabilistic Two-Ray Model for Air-to-Air Channel in Built-Up Areas
Zhuangzhuang Cui, Ke Guan, César Briso +3
In this paper, we present a probabilistic two-ray (PTR) path loss model for air-to-air (AA) propagation channel in built-up areas. Based on the statistical model of city deployment…