13 citations · 13 across the 14 of their papers we have counts for
15 papers
Online Material-Labeled Environment Reconstruction via Bayesian Multipath Attribution for Low-Altitude ISAC
Meihui Liu, Shu Sun, Ruifeng Gao +1
Environment reconstruction for low-altitude integrated sensing and communications (ISAC) has largely focused on geometry-centric maps, overlooking material-dependent propagation ef…
A Foundation Model for Cross-Band CSI Reconstruction
Hongpu Zhang, Shu Sun, Ruifeng Gao +2
Acquiring dense high-frequency channel state information (CSI) is costly in multi-band low-altitude wireless systems because pilot resources are limited and channel dimensions chan…
Invertible Diffusion for Low-Memory Channel Gain Map Construction in Wireless Communication Networks
Ruifeng Gao, Sen Li, Jue Wang +2
Channel gain maps (CGMs) enable propagation-aware services in edge-intelligent wireless communication networks, while diffusion-based CGM construction is memory intensive for on-de…
A Unified Codebook Design for Curvature-Reconfigurable Apertures: Seamless Near to Far Field Coverage
Zhoujie You, Shu Sun, Ruifeng Gao +2
Beam training for extremely large-scale arrays with curvature-reconfigurable apertures (CuRAs) faces the critical challenge of severe, geometry-dependent angle-range coupling. Whil…
Spatial Correlation, Non-Stationarity, and Degrees of Freedom of Holographic Curvature-Reconfigurable Apertures
Liuxun Xue, Shu Sun, Ruifeng Gao +1
Low-altitude wireless platforms increasingly require lightweight, conformal, and densely sampled antenna array apertures with high array gain and spatial selectivity. However, when…
Fusion of Monostatic and Bistatic Sensing for ISAC-Enabled Low-Altitude Environment Mapping
Liu Meihui, Sun Shu, Gao Ruifeng +2
Driven by the rapid growth of the low-altitude economy, integrated sensing and communication (ISAC) technologies are essential to meet the stringent demands for reliable connectivi…
Diffuse scattering measurements and mechanism analysis at 8, 12, and 28 GHz for typical building surfaces
Tongjia Zhang, Shu Sun, Meixia Tao +2
This study investigates the fundamental diffuse scattering mechanisms from three typical building wall surfaces, conducting measurements and model parameterization at 28 GHz and tw…
Maritime Communication in Evaporation Duct Environment with Ship Trajectory Optimization
Ruifeng Gao, Hao Zhang, Jue Wang +5
In maritime wireless networks, the evaporation duct effect has been known as a preferable condition for long-range transmissions. However, how to effectively utilize the duct effec…
Investigation of Superdirectivity in Planar Holographic Arrays
Hang Lin, Liuxun Xue, Shu Sun +3
This paper studies the superdirectivity characteristics of uniform rectangular arrays (URAs) for holographic multiple-input multiple-output systems. By establishing a mathematical…
Directional Measurements and Analysis for FR3 Low-Altitude Channels in a Campus Environment
Yulu Guo, Tongjia Zhang, Xiangwen Gu +3
In this paper, we present detailed low-altitude channel measurements at the FR3 band in an outdoor campus environment. Using a time-domain channel sounder system, we conduct two ty…
Modeling and Analysis of Land-to-Ship Maritime Wireless Channels at 5.8 GHz
Shu Sun, Yulu Guo, Meixia Tao +6
Maritime channel modeling is crucial for designing robust nearshore communication systems, yet reliable models that account for the dynamic marine environment with varying sea wave…
Beamforming Design for ISAC Systems with Suppressed Range-Angle Sidelobes
Meihui Liu, Shu Sun, Ruifeng Gao +1
Integrated sensing and communication (ISAC) represents a pivotal advancement for future wireless networks. This paper introduces a novel ISAC beamforming method for enhancing sensi…
Channel Gain Map Construction based on Subregional Learning and Prediction
Jiayi Chen, Ruifeng Gao, Jue Wang +2
The construction of channel gain map (CGM) is essential for realizing environment-aware wireless communications expected in 6G, for which a fundamental problem is how to predict th…
Measurement and Analysis of Scattering From Building Surfaces at Millimeter-Wave Frequency
Yulu Guo, Tongjia Zhang, Shu Sun +2
In future air-to-ground integrated networks, the scattering effects from ground-based scatterers, such as buildings, cannot be neglected in millimeter-wave and higher frequency ban…
Millimeter-Wave Energy-Efficient Hybrid Beamforming Architecture and Algorithm
Hongpu Zhang, Yulu Guo, Liuxun Xue +5
This paper studies energy-efficient hybrid beamforming architectures and its algorithm design in millimeter-wave communication systems, aiming to address the challenges faced by ex…