A5047139348- Millimeter-Wave Propagation and Modeling
- Advanced MIMO Systems Optimization
- Power Line Communications and Noise
- Irrigation Practices and Water Management
- Microwave Engineering and Waveguides
- Telecommunications and Broadcasting Technologies
- Optical Wireless Communication Technologies
- Antenna Design and Analysis
- Vehicular Ad Hoc Networks (VANETs)
- Indoor and Outdoor Localization Technologies
- Plant responses to water stress
- Advanced Photonic Communication Systems
- Plant Surface Properties and Treatments
- High-Voltage Power Transmission Systems
- Power Line Inspection Robots
- Antenna Design and Optimization
- Plant Water Relations and Carbon Dynamics
- Soil Mechanics and Vehicle Dynamics
- High voltage insulation and dielectric phenomena
- Electrical Fault Detection and Protection
- Metamaterials and Metasurfaces Applications
- Advanced Antenna and Metasurface Technologies
- Advanced Wireless Communication Technologies
- Engineering and Agricultural Innovations
- Radio Wave Propagation Studies
Beijing University of Posts and Telecommunications
2016-2025
Jiangsu University
2017-2025
State Key Laboratory of Information Photonics and Optical Communications
2023-2025
China Electric Power Research Institute
2015-2024
Chongqing University of Posts and Telecommunications
2024
Guiyang Medical University
2022-2024
Shanghai Polytechnic University
2023
Farmland Irrigation Research Institute
2022
Chinese Academy of Agricultural Sciences
2022
Switch
2018-2021
Fifth-generation (5G) wireless networks are expected to operate at both microwave and millimeter-wave (mmWave) frequency bands, including frequencies in the range of 24 86 GHz. Radio propagation models used help engineers design, deploy, compare candidate technologies, have a profound impact on decisions almost every aspect communications. This paper provides comprehensive overview channel that will likely be design 5G radio systems. We start with discussion framework models, which consists...
Industrial Internet of Things (IIoT) is an emerging area that fifth-generation (5G) mobile communication system penetrates industrial manufacturing applications. The indoor factory has larger space and there are a lot metal machine tools distributed in it, which makes its radio propagation characteristics corresponding channel models significantly different from those the office hotspot. To support design evaluation IIoT techniques, 3rd Generation Partnership Project (3GPP) released first 5G...
Discriminating between line-of-sight (LOS) and non-line-of-sight (NLOS) conditions, or <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">LOS identification</i> , is important for a variety of purposes in wireless systems, including localization channel modeling. LOS identification especially challenging vehicle-to-vehicle (V2V) networks since physical effects that occur at different spatial/temporal scales can affect the presence LOS. This...
In the 5G-Advanced and beyond systems, multi-frequency cooperative networking will become an inevitable development trend. However, channels have not been fully investigated at bands in multi-scenarios by using same channel sounder, especially for sub-6 GHz to millimeter-wave (mmWave) bands. this paper, we carry out measurements four frequency (3.3, 6.5, 15, 28 GHz) two scenarios including Urban Micro (UMi) Outdoor-to-Indoor (O2I) with sounder. The characteristics are extracted modeled, path...
The sixth generation (6G) mobile communications have attracted substantial attention in the global research community of information and communication technologies (ICT). 6G systems are expected to support not only extended 5G usage scenarios, but also new such as integrated sensing (ISAC), artificial intelligence (AI) communication, ubiquitous connectivity. To realize this goal, channel characteristics must be comprehensively studied properly exploited, so promote design, standardization,...
Terahertz (THz) communication is considered to be a key enabling technology for 6G due its abundant available spectrum resources. One pre-requisite implementing THz systems understand and model the radio channel in deployment scenarios. However, new characteristics bands (e.g., sparsity, near-field propagation, large-scale antenna configuration) have brought opportunities challenges modeling terms of complexity accuracy. In this work, we aim address these with deterministic ray tracing (RT)...
Terahertz (THz) communication has been envisioned as a key enabling technology for sixth-generation (6G). In this paper, we present an extensive THz channel measurement campaign 6G wireless communications from 220 GHz to 330 GHz. Furthermore, the path loss is analyzed and modeled by using two single-frequency models multiple-frequencies model. It found that at most frequency points, measured larger than in free space. But around 310 GHz, propagation attenuation relatively weaker compared...
The Ricean K-factor is the ratio of power deterministic multipath component (MPC) and all other stochastic MPCs. classical moment-based method has been successfully used to estimate from time series measurements. In this paper, we apply for narrowband temporal selectivity, based upon analysis frequency-selectivity in single-snapshot wideband We also derive theoretical bias estimator find it depends jointly on number channel transfer function envelope samples across measurement bandwidth,...
Machine learning has recently drawn much attention for a variety of applications, thanks to its good performance in identification, recognition, and regression problems. One such important application is V2V communication propagation channel research. In this article, the challenges opportunities machine-learning-based data processing techniques evaluation measurements are presented. This article reviews some state-of-the-art applications including identification line-of-sight situations,...
The 3.5 GHz and 28 bands are both very important for the fifth-generation (5 G) wireless communication system. To model their propagation characteristics study channel properties, we conduct measurements at these two in indoor outdoor scenarios. measured bandwidths 100 400 MHz, respectively. make a fair comparison, measurement results divided into four groups with from to MHz. This is also helpful effect of bandwidth on especially numbers clusters growth rate. We choose Saleh-Valenzuela...
Triggered by the introduction of higher frequencies (above 24 GHz), there has been a long-standing debate in radio propagation community on whether frequency channels are sparser relative to below 6 GHz. Here, sparsity implies few dominant multipath components containing vast majority electromagnetic energy. This discussion recently revisited with study and interest bands above 100 GHz for future wireless access. In this paper, level is examined at 6, 26, 105 carrier conducting channel...
Visible light communication (VLC) has attracted much attention in the research of sixth-generation (6G) systems. Furthermore, channel modeling is foundation for designing efficient and robust VLC In this paper, we present extensive measurement campaigns indoor environments, i.e., an office a corridor. Based on measured data, large-scale fading characteristics multipath-related characteristics, including omnidirectional optical path loss (OPL), K-factor, power angular spectrum (PAS), angle...
Having the unique feature of wide continuous bandwidth, millimeter-wave communication has attracted great attention from both industry and academics. However, due to large path loss diffraction loss, human body shadowing (HBS) a huge impact on millimeter- wave requires intensive research. In this paper, we conduct HBS measurements in three different cases at 28 GHz by using pair horn antennas. Based our measurement results, propose simple model, then use double-edge multiple-edge method...
Water saving is an essential part of sprinkler irrigation owing to the impact climate change and rising energy costs. This review highlights technologies that are emerging in optimize crop production. While there have been notable advances irrigation, continued progress has occurred by combination current status with postulation new ideas such as conversion high-pressure low-pressure ones, incorporation smart controllers systems. To enhance adoption these technologies, research on dispersion...
Distinguishing between line-of-sight (LOS) and non-LOS (NLOS) based on measured channel impulse responses is a fundamental problem for localization systems, as well modeling. In this work we show that the use of angular information can considerably enhance accuracy such scenario discrimination, propose support vector machines (SVM) performing task. We demonstrate, using real-world measurements, new method provides significantly improved detection, reducing in our channels mis-identification...
Vehicle-to-vehicle (V2V) wireless communications have many envisioned applications for ensuring traffic safety and addressing congestion. However, developing suitable communication systems standards this purpose requires developers to accurate models the V2V propagation channel. Likewise, dynamic evolution of multipath components (MPCs) in channels has not been well modeled existing models. In paper, we propose a geometry-based stochastic channel model lightly built-up urban environment then...
The industrial scenario is indispensable for ubiquitous 6G coverage, which demands hyper-reliable and low-latency communication full automation, control, operation. To meet these demands, it widely believed that necessary to introduce not only the conventional sub-6 GHz bands but also high-frequency technologies, such as millimeter wave (mmWave), terahertz (THz), visible light bands. In this paper, we conduct a channel characterization comparison in from characteristics, including path loss...
A new DC technique, the drain current-conductance method (DCCM), has been developed to extract gate bias dependent effective channel mobility (/spl mu//sub eff/), and source series resistance (R/sub s/ R/sub d/) of drain-engineered MOSFET's. The extraction /spl eff/, e/, d/ by DCCM is based on measurements current conductance a single device. negligible difference between measured modeled (using extracted parameters) linear showed that accurate for devices with different graded junction...