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View article: (4R,4aS,6bR,8aR,12bS,14aS)-2-((E)-2-Bromo-4-chlorobenzylidene)-4,4a,6b,8a,11,11,12b,14a-octamethylicosahydropicen-3(2H)-one
(4R,4aS,6bR,8aR,12bS,14aS)-2-((E)-2-Bromo-4-chlorobenzylidene)-4,4a,6b,8a,11,11,12b,14a-octamethylicosahydropicen-3(2H)-one Open
Friedelin, a pentacyclic triterpene, has been reported to inhibit potential reactive oxygen species (ROS)-scavenging activity. Accordingly, we modified the structure of this compound with the aim of obtaining derivatives. A new derivative …
View article: 5G Channel Models for Railway Use Cases at mmWave Band and the Path Towards Terahertz
5G Channel Models for Railway Use Cases at mmWave Band and the Path Towards Terahertz Open
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 connectivity with up to several GHz bandwidths will be requi…
View article: Measurement-Based Modeling and Analysis of UAV Air-Ground Channels at 1 and 4 GHz
Measurement-Based Modeling and Analysis of UAV Air-Ground Channels at 1 and 4 GHz Open
In the design of unmanned aerial vehicle (UAV) wireless communications, a better understanding of propagation characteristics and an accurate channel model are required. Measurements and comprehensive analysis for the UAV-based air-ground …
View article: Analysis of Individualized Training Stimulates Women's Work Potential
Analysis of Individualized Training Stimulates Women's Work Potential Open
At present, many enterprises still have problems in the training implementation process such as single training content, lack of pertinence and flexibility, resulting in the actual needs of female employees be fully met. The discussion of …
View article: Challenges in Group Work from the Perspective of College Students
Challenges in Group Work from the Perspective of College Students Open
Based on sociocultural theory, group work is an effective teaching method that can provide a good learning environment for students and promote their learning and growth. In China, it is widely used in all kinds of educational practices an…
View article: Noise Reduction in Automotive Pulse Radar Using Signal Subspace and Presumed Ambiguity Function
Noise Reduction in Automotive Pulse Radar Using Signal Subspace and Presumed Ambiguity Function Open
Publisher Copyright: IEEE
View article: Multi-Frequency Channel Measurement and Characteristic Analysis in Forested Scenario for Emergency Rescue
Multi-Frequency Channel Measurement and Characteristic Analysis in Forested Scenario for Emergency Rescue Open
Wireless communication has been widely used in emergency rescue, including from command vehicles to command vehicles, command vehicles to rescue teams, command vehicles to wireless sensors, and rescue teams to intelligent platforms such as…
View article: 6G Enabled Advanced Transportation Systems
6G Enabled Advanced Transportation Systems Open
With the emergence of communication services with stringent requirements such as autonomous driving or on-flight Internet, the sixth-generation (6G) wireless network is envisaged to become an enabling technology for future transportation s…
View article: A 3D Modeling Method for Scattering on Rough Surfaces at the Terahertz Band
A 3D Modeling Method for Scattering on Rough Surfaces at the Terahertz Band Open
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 wavelength (less than 1 mm), scattering becomes a particularly signi…
View article: A Novel Channel Characterization Method Based on Ray Tracing for Human Fall Scenario
A Novel Channel Characterization Method Based on Ray Tracing for Human Fall Scenario Open
The integrated communication and sensing (ISAC) system is playing an increasingly important role in information interaction and environmental perception of smart home.In order to effectively evaluate the performance of ISAC devices, it is …
View article: Cluster-Based Characterization and Modeling for UAV Air-to-Ground Time-Varying Channels
Cluster-Based Characterization and Modeling for UAV Air-to-Ground Time-Varying Channels Open
With the deep integration between the unmanned aerial vehicle (UAV) and wireless communication, UAV-based air-to-ground (AG) propagation channels need more detailed descriptions and accurate models. In this paper, we aim to conduct cluster…
View article: An efficient target detection algorithm via Karhunen‐Loève transform for frequency modulated continuous wave (FMCW) radar applications
An efficient target detection algorithm via Karhunen‐Loève transform for frequency modulated continuous wave (FMCW) radar applications Open
This paper investigates an advanced effective signal processing technique to suppress noise, addressing a modern high‐performance detection in the field of radar sensing. To achieve a higher accuracy, the frequency modulated continuous wav…
View article: Narrow‐Band Radio Propagation Prediction Based on a Highly Accurate Three‐Dimensional Railway Environment Model
Narrow‐Band Radio Propagation Prediction Based on a Highly Accurate Three‐Dimensional Railway Environment Model Open
In this paper, radio propagation predictions were performed by a self‐developed ray tracing simulator based on highly accurate three‐dimensional (3D) environment models obtained by oblique aerial photography (OAP). In order to support ray …
View article: CloudRT: A Chinese example of open science infrastructure and services
CloudRT: A Chinese example of open science infrastructure and services Open
As the backbone of the open science campaign, open science infrastructures (OSIs) play an increasingly important role in scientific innovation and the digital transformation of society. Nevertheless, OSIs still have a range of issues to co…
View article: Emulation of Radio Technologies for Railways: A Tapped-Delay-Line Channel Model for Tunnels
Emulation of Radio Technologies for Railways: A Tapped-Delay-Line Channel Model for Tunnels Open
Radio access technologies (RATs) are a key topic in railways, enabling them a better service rendering in terms of shorter headways between trains, higher safety levels and higher customer satisfaction. Very often, these railway RATs need …
View article: Measurement and Simulation for Vehicle-to-Infrastructure Communications at 3.5 GHz for 5G
Measurement and Simulation for Vehicle-to-Infrastructure Communications at 3.5 GHz for 5G Open
Intelligent Transportation System (ITS) is more and more crucial in the modern transportation field, such as the applications of autonomous vehicles, dynamic traffic light sequences, and automatic road enforcement. As the upcoming fifth-ge…
View article: Reconfigurable Intelligent Surface Aided TeraHertz Communications Under Misalignment and Hardware Impairments.
Reconfigurable Intelligent Surface Aided TeraHertz Communications Under Misalignment and Hardware Impairments. Open
TeraHertz (THz) communications are envisioned to help satisfy the ever high data rates demand with massive bandwidth in the future wireless communication systems. However, severe path attenuation, transceiver antenna misalignment, and hard…
View article: Design of cellular, satellite, and integrated systems for 5G and beyond
Design of cellular, satellite, and integrated systems for 5G and beyond Open
5G AgiLe and fLexible integration of SaTellite And cellulaR (5G-ALLSTAR) is a Korea-Europe (KR-EU) collaborative project for developing multi-connectivity (MC) technologies that integrate cellular and satellite networks to provide seamless…
View article: Channel Characterization and Hybrid Modeling for Millimeter-Wave Communications in Metro Train
Channel Characterization and Hybrid Modeling for Millimeter-Wave Communications in Metro Train Open
Los futuros trenes metropolitanos van a emplear una red de comunicaciones inalámbricas para la interconexión de dispositivos dentro del tren, denominada TCMS (train Control and Monitoring). Esta red puede bandas de frecuencias mmW (26-40GH…
View article: Impact of Meteorological Attenuation on Channel Characterization at 300 GHz
Impact of Meteorological Attenuation on Channel Characterization at 300 GHz Open
Terahertz (THz) communication is a key candidate for the upcoming age of beyond-fifth-generation mobile networks (B5G) or sixth-generation mobile networks (6G) in the next decade and can achieve ultra-high data rates of dozens of gigabits …
View article: Satellite-Terrestrial Channel Characterization in High-Speed Railway Environment at 22.6 GHz
Satellite-Terrestrial Channel Characterization in High-Speed Railway Environment at 22.6 GHz Open
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 service and flexible networking. Moreover, the millimeter …
View article: Arc Characteristic of Different Gas Mediums in Arc Formation Process and Influence of Breaking Current
Arc Characteristic of Different Gas Mediums in Arc Formation Process and Influence of Breaking Current Open
SF6 gas is the main arc-extinguishing medium for high-voltage circuit breakers.It has excellent characteristics such as electronegativity and high medium recovery strength.But as a kind of greenhouse gas, it has a very high greenhouse effe…
View article: 5G Channel Models for Railway Use Cases at mmWave Band and the Path Towards Terahertz
5G Channel Models for Railway Use Cases at mmWave Band and the Path Towards Terahertz Open
Los trenes de alta velocidad son uno de los escenarios más relevantes para las comunicaciones móviles de quinta generación (5G) y la visión de "movilidad ferroviaria inteligente", donde se requerirá una conectividad inalámbrica de alta vel…
View article: Channel Characterization for Vehicle-to-Infrastructure Communications in Millimeter-Wave Band
Channel Characterization for Vehicle-to-Infrastructure Communications in Millimeter-Wave Band Open
In recent years, the intelligent transport system (ITS) has been developed rapidly because of global urbanization and industrialization, which is considered as the key enabling technology to improve road safety, traffic efficiency, and dri…
View article: Multi-Frequency Air-to-Ground Channel Measurements and Analysis for UAV Communication Systems
Multi-Frequency Air-to-Ground Channel Measurements and Analysis for UAV Communication Systems Open
In order to implement unmanned aerial vehicle (UAV)-based wireless communications, a better understanding of wireless channels and the corresponding channel characterizations are critical. In this paper, air-to-ground (AG) channel measurem…
View article: Millimeter-Wave Intra-Cluster Channel Model for In-Room Access Scenarios
Millimeter-Wave Intra-Cluster Channel Model for In-Room Access Scenarios Open
To develop an millimeter-waves (mm-waves) channel model for in-room access scenarios, a double-directional channel measurement campaign conducted in a conference room environment is presented. In the measurements, a custom-developed channe…
View article: Electromagnetic Parameter Calibration for a Broadband Ray-Launching Simulator With SAGE Algorithm for Millimeter-Wave Communications
Electromagnetic Parameter Calibration for a Broadband Ray-Launching Simulator With SAGE Algorithm for Millimeter-Wave Communications Open
The millimeter-wave (mmWave) communication is a promising solution to future high-speed data transmission. To study the impact of its wireless channel, a ray-launching simulator is developed to generate deterministic channel models accordi…
View article: Artificial Neural Network Based Path Loss Prediction for Wireless Communication Network
Artificial Neural Network Based Path Loss Prediction for Wireless Communication Network Open
Accurate path loss (PL) prediction is essential for predicting transmitter coverage and optimizing wireless network performance. Traditional PL models are difficult to cope with the development trend of diversity, time-varying and mass wir…