A5055895651- Millimeter-Wave Propagation and Modeling
- UAV Applications and Optimization
- Radio Wave Propagation Studies
- Advanced MIMO Systems Optimization
- Video Surveillance and Tracking Methods
- Telecommunications and Broadcasting Technologies
- Microwave Engineering and Waveguides
- Power Line Communications and Noise
- Advanced Wireless Communication Technologies
- Autophagy in Disease and Therapy
- Antenna Design and Optimization
- Advanced Sensor and Control Systems
- Ultra-Wideband Communications Technology
- Satellite Communication Systems
- Advanced Algorithms and Applications
- Advanced Measurement and Detection Methods
- Non-Invasive Vital Sign Monitoring
- Vehicular Ad Hoc Networks (VANETs)
- Advanced Wireless Communication Techniques
- Radar Systems and Signal Processing
- Wireless Body Area Networks
- Geoscience and Mining Technology
- RNA Interference and Gene Delivery
- Service-Oriented Architecture and Web Services
- Plant responses to water stress
Nanjing University of Aeronautics and Astronautics
2018-2025
Chongqing Technology and Business University
2005-2025
Peking University
2007-2025
National Clinical Research Center for Digestive Diseases
2025
Nantong University
2021-2024
Hainan University
2022-2024
University of Twente
2022-2023
Ministry of Industry and Information Technology
2021-2023
The University of Tokyo
2023
PLA Rocket Force University of Engineering
2021
With the rapid development and broad applications of unmanned aerial vehicle (UAV) based wireless stations in sky, fundamental understanding characterization realistic air-to-ground (A2G) communication link properties are crucial. In this paper, a UAV-aided channel sounder with real-time processing hardware system is developed for highly dynamic non-stationary A2G measurements. system, global positioning (GPS) -based triggering signal designed, equivalent antenna pattern affected by UAV...
Unmanned aerial vehicle (UAV)-to-ground (U2G) channel models play a pivotal role in reliable communications between UAV and ground terminal. This paper proposes three-dimensional (3D) non-stationary hybrid model including large-scale small-scale fading for U2G multiple-input-multiple-output (MIMO) channels. Distinctive characteristics under scenarios, i.e., 3D trajectory posture of UAV, fuselage scattering effect (FSE), variation (PVF) are incorporated into the proposed model. The...
Unmanned aerial vehicle (UAV) millimeter wave (mmWave) technologies can provide flexible link and high data rate for future communication networks. By considering the new features of three-dimensional (3-D) scattering space, 3-D velocity, antenna array, especially rotations, a machine learning (ML)-integrated UAV-to-Vehicle (U2V) mmWave channel model is proposed. Meanwhile, an ML-based network parameter calculation generation developed. The deterministic parameters are calculated based on...
Unmanned aerial vehicle (UAV) aided millimeter wave (mmWave) technologies have a promising prospect in the future wireless communication networks. By considering factors of three-dimensional (3D) scattering space, 3D trajectory, and antenna array, non-stationary ray-based channel model for UAV-to-vehicle (U2V) mmWave communications is proposed. The computation generation methods parameters including inter-path intra-path are developed illustrated detail. calculated deterministic way based on...
Line-of-sight (LoS) path is essential for the reliability of air-to-ground (A2G) communications, but existence LoS difficult to predict due random obstacles on ground. Based statistical geographic information and Fresnel clearance zone, a general stochastic probability model three-dimensional (3D) A2G channels under urban scenarios developed. By considering factors, i.e., building height distribution, width, space, carrier frequency, transceiver's heights, proposed suitable different...
Channel emulator is an important tool to evaluate communication system performance at the physical link, and network levels. In this paper, a new discrete 3D non-stationary geometry-based stochastic model (GBSM) for UAV vehicle (U2V) channels proposed, which considers scattering space, trajectory, antenna array. And tailed channel developed on field programmable gate array (FPGA) platform. All parameters, i.e., power, delay, phase are calculated by FPGA hardware first time instead of...
Photovoltaic scenario generation plays a critical role in power systems characterized by high diversity and fluctuation. Despite recent theoretical advancements, effectively evaluating the performance of photovoltaic remains significant challenge. Existing studies predominantly rely on metrics such as mean, variance, probability density functions for assessment. However, these approaches struggle to disentangle underlying mechanisms morphological features environmental stochastic factors...
The critical role of the rumen microbiota in growth performance livestock is recognized, yet its significance determining body weight goat kids before weaning remains less understood. To bridge this gap, our study delved into microbiota, serum metabolome, fermentation, and development with contrasting weights weaning. We selected 10 from a cohort 100, categorized low (LBW, 5.56 ± 0.98 kg) high (HBW, 9.51 1.01 groups. involved sampling contents, tissues, these animals. Our findings showed...
Unmanned aerial vehicles (UAVs) have been widely used in both military and civilian applications, where a stable communication link is vital for safe flight control robust data transmission. To develop reliable UAV system, it necessary to deeply understand the channel characteristics establish accurate models. Channel sounding most effective way obtain realistic validate theoretical model. However, studies on are still insufficient terms of system design processing due complexity developing...
Based on the geometry and ray tracing (RT) theory, a millimeter wave (mmWave) channel model parameter computation method for unmanned aerial vehicle (UAV) assisted air-to-ground (A2G) communications are proposed in this paper. In order to speed up calculation, reconstruction process of scene database original digital map is developed. Moreover, effects accuracy characteristic analyzed by extensive simulations at 28 GHz under campus scene. The simulation analysis results show that simplified...
Considering the three-dimensional (3D) trajectory, 3D antenna array, and beamforming of unmanned aerial vehicle (UAV), a novel non-stationary millimeter wave (mmWave) geometry-based stochastic model for UAV to communication channels is proposed. Based on analysis results measured ray tracing simulation data mmWave links, proposed parametric channel constructed by line-of-sight path, ground specular two strongest single-bounce paths. Meanwhile, new parameter computation method also developed,...
As an important part of the beyond fifth generation (B5G) and sixth (6G) network, unmanned aerial vehicle (UAV) communication has been widely used in various application scenarios. The measurement analysis UAV air-to-ground (A2G) channel characteristics is vital to design future systems. In this paper, we introduce a sounder that supports real-time measurements but smaller data storage sizes. developed carry out campaigns two typical rural scenarios, i.e., farmland river. Based on data, some...
Abstract The line of sight (LoS) probability is a key factor for the channel modeling air‐to‐ground (A2G) communication. However, existing LoS models do not account effects airframe shadowing (AS) and building density, which can cause serious link obstruction performance loss due to six‐dimensional (6D) mobility self‐body unmanned aerial vehicle (UAV). In this article, new model proposed that considers AS density different UAV heights. Adding this, derived in terms framework 6D mobility....