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检索条件"任意字段=14th International Conference on COMmunication Systems and NETworkS, COMSNETS 2022"

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Real-time person detection from UAV images using performant neural networks 14

Real-time person detection from UAV images using performant ...

引用

14th international conference on Electronics, Computers and Artificial Intelligence, ECAI 2022

作者： Popa, Alexandru Gabriel Ichim, Loretta Popescu, Dan University Politehnica of Bucharest Faculty of Automatic Control and Computer Science Bucharest Romania

ISBN: (数字)9781665495356

ISBN: (纸本)9781665495356

Detection of persons from restricted areas with the help of UAVs is one of the current trends in ensuring the security of regions of interest. For the processing of images acquired by UAVs of special interest are machine learning techniques with an emphasis on neural networks. For this task, two neural networks are proposed and tested in this paper: YOLO v5m and Faster R-CNN. they were learned and tested on two data sets: HERIDAL and a proprietary video stream data set. Both networks gave good results, and the best results were obtained on their own data set (because the images in HERIDAL were taken at a higher height). © 2022 IEEE.

关键词： Learning systems

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the concept of the Internet of things in the development of information and analytical systems based on the method of constructing a scalar assessment of the results of research activities of scientists 14

The concept of the Internet of Things in the development of ...

引用

14th international conference on Emerging Ubiquitous systems and Pervasive networks / 13th international conference on Current and Future Trends of Information and communication Technologies in Healthcare, EUSPN/ICth 2023

作者： Biloshchytskyi, Andrii Omirbayev, Serik Mukhatayev, Aidos Biloshchytska, Svitlana Toxanov, Sapar Faizullin, Adil Astana IT University Astana010000 Kazakhstan Information Technologies Kyiv National University of Construction and Architecture Kiev01001 Ukraine

the article describes the creation of tools for building intelligent systems in the field of scientometrics as the concept of the Internet of things. the concept is presented as an information system where scientometric databases such as Scopus, WoS, as well as sites with databases of scientific projects and other databases act as sensors that generate data. systems of data accumulation and processing are systems created using microservices technology. At the output, we get a control signal in the form of a proposal to correct the trajectory of the development of the scientific potential as an organization or a scientist. the system will also suggest how to strengthen the research team by selecting scientific partners from the global scientific community. the article describes the structural model of the concept of the Internet of things in the form of a multi-level structure using microservice technologies. Also, the article suggests methods of constructing a scalar evaluation of the results of scientific research activities of scientists based on the analysis of citations of their publications. © 2024 Elsevier B.V.. All rights reserved.

关键词： Internet of things

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Performance Analysis of Dual-Hop UAV-Assisted FSO communication System with DF Protocol 14

Performance Analysis of Dual-Hop UAV-Assisted FSO Communicat...

引用

14th IEEE international conference on Wireless communications and Signal Processing (WCSP)

作者： Wang, Jialin Xu, Guanjun Zhao, Zhongyuan Xu, Maozhe Yu, Xiaozong Zhang, Qinyu East China Normal Univ Sch Commun & Elect Engn Shanghai 200241 Peoples R China Xidian Univ State Key Lab Integrated Serv Networks Xian 710126 Peoples R China Hangzhou Dianzi Univ Hangzhou 310018 Peoples R China Peng Cheng Lab Shenzhen 518052 Peoples R China Harbin Inst Technol Shenzhen Commun Engn Res Ctr Shenzhen 518055 Peoples R China

ISBN: (纸本)9781665450850

Relay-assisted free-space optical (FSO) communication has been an effective means of mitigating the fading affect caused by atmospheric turbulence. In addition, the emergence of unmanned aerial vehicles (UAVs) has further extended the coverage of relay-assisted FSO communication systems, owing to their mobility and flexibility. In this paper, we analyze the performance of a UAV-assisted dual-hop FSO relay communication system in which the combined effects of attenuation loss, atmospheric turbulence (following the M ' alaga and gamma-gamma distributions), and pointing errors caused by UAV fluctuations are considered. Closed-form expressions for the outage probability and average bit error rate (BER) of the system are derived. It is found that the atmospheric turbulence, the position deviation of the UAV, the link length of the source-to-UAV link, and the system modulation scheme have significant effects on the system performance. Finally, we find that a system with coherent binary phase-shift keying yields the best average BER performance.

关键词： FSO communication attenuation loss UAV relay atmospheric turbulence outage probability average BER

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Security policy architecture for 5G networks 14

Security policy architecture for 5G Networks

引用

14th international conference on Network of the Future, NoF 2023

作者： Koribeche, Wassim Mohamed Laid Espes, David Morin, Cedric Institute of Research and Technology Bcom France Université de Bretagne Occidentale France

ISBN: (纸本)9798350338072

Improvement of security is the subject of continuous efforts in telecommunication networks. As network architecture becomes more and more complex, so does the related security architecture. In 5G, the introduction of slicing induces increasing complexity as the network operator has to enforce a complex set of policies, including security policies, to share resources between the slices while ensuring their isolation. Simultaneously, slice owners may need to set up their own slice-level security policies, but this may cause conflicts with existing policies. In this paper, we propose a layered security architecture tailored to address security concerns both locally, e.g. at the slice level, and globally, e.g. at the inter-slice level. A key feature of this architecture is to allow slice owners to push their security policies into their slices. the architecture includes a policy conflict detector that detects policy conflicts between the network manager and its clients. Our solution further resolves those conflicts, and the policies are automatically applied to the network. this allows the network operator to safely authorize clients to set up custom security rules within their slices. To demonstrate the efficiency of our solution we implement the full architecture and evaluate the time necessary to propagate the client's rules. © 2023 IEEE.

关键词： 5G mobile communication systems

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Technical analysis and evaluation of the energy performance of solar-activated absorption refrigeration systems: Case of the Caribbean Coast of Colombia 14

Technical analysis and evaluation of the energy performance ...

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作者： Toscano, Andres Rodríguez Ortiz, Jean Caratt De Armas Calderón, Nelly Energy Department Universidad de la Costa Calle 58 No 55-66 Barranquilla080002 Colombia

the Colombian Caribbean Coast has a high potential for solar energy and absorption cooling systems due to its high relative humidity and temperatures. However, little information evidences technical evaluations and energy performance of absorption refrigeration systems throughout the Caribbean Coast. this research evaluates the technical aspects of the potential use of solar thermal collectors on the Colombian Caribbean Coast. the area ratio in m2 per kW of cooling is calculated in three operating regimes, namely, 120%, 100%, and 80% of the rated cooling capacity. the results show that Barranquilla and Cartagena are the cities that have better technical conditions to activate the absorption cooling system throughout the year because they need 776,3 m2 and 884 m2 of surface area of solar collectors to activate the system at 100% cooling capacity with average solar irradiation. Additionally, in the most critical months (months with higher water precipitation, humidity, cloudiness, and rainfall), operating the system in the nominal cooling conditions would be able to reach a maximum SCOP of 0.51, and in some cities with environmental conditions similar to San Andres, will not be able to operate only with solar energy after 3:00 P.M. © 2024 the Authors. Published by Elsevier B.V.

关键词： Absorption cooling

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SETTING TECHNICAL REQUIREMENTS FOR INTRA-SHIP MARITIME communication SERVICES OVER 3GPP systems 14

SETTING TECHNICAL REQUIREMENTS FOR INTRA-SHIP MARITIME COMMU...

引用

SNAME 14th international Marine Design conference, IMDC 2022

作者： Chen, Xin Michelson, David G. The University of British Columbia Department of Electrical and Computer Engineering VancouverBCV6T 1Z4 Canada

By setting the technical requirements for intra-ship maritime communication services, the marine design community can ensure that future releases of 3GPP wireless technology can support use cases such as hull monitoring, environmental monitoring, machinery monitoring, digital twins, asset management, personnel tracking, personal communications, and remote consoles. © IMDC 2022. All right reserved.

关键词： Remote consoles

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AI Virtual Assistant for Online Laboratory Experiments Based on Multi-threshold Technique and Genetic Algorithm for Analyzing the Student's Mouse Interaction Activities 14

AI Virtual Assistant for Online Laboratory Experiments Based...

引用

14th IEEE international conference on Computational Intelligence and communication networks, CICN 2022

作者： Elmesalawy, Mahmoud M. Abd El-Haleem, Ahmed M. Hamdy, Alaa Helwan University Faculty of Engineering Electronics and Communications Engineering Department Cairo Egypt Misr International University Faculty of Computer Science Cairo Egypt

ISBN: (纸本)9781665487719

there is a great interest in online learning systems, especially due to COVID-19 pandemic. However, there are a lot of limitations and challenges of online laboratory learning systems. this paper presents an efficient technique that provides an intelligent virtual tutor for online laboratory environment, as in engineering and science sectors. Based on the analysis of the student's mouse activities, the AI virtual Assistant or virtual tutor will automatically estimate the difficulties that the student stuck during conducting the steps of lab's experiment. Hence, the virtual tutor can assist the student, accordingly. the technique is based on multi-threshold that are used to discriminate different levels of difficulties. the values of these thresholds are estimated and optimized via the genetic algorithm. the experimental results show that discrimination between different student behaviors can be achieved accurately and efficiently. © 2022 IEEE.

关键词： Genetic algorithms

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the Computational Complexity Reduced Effectively in the Channel Estimation Process 14

The Computational Complexity Reduced Effectively in the Chan...

引用

14th international conference on Signal Processing systems, ICSPS 2022

作者： Zhou, Mingxing Jian, Wei Wang, Fengzhi Institute of Communication Technology Panda Electronics Group Co. Ltd. Nanjing China

ISBN: (纸本)9798350336313

A fast algorithm for solving Toeplitz matrix equation is applied to wireless communication to estimate channel impulse response in this paper. the sequence with ideal cyclic autocorrelation property is used as the basic sequence, and then the training sequence is constructed by cyclic expansion. therefore, the equation that needs to be solved in the channel estimation process can become a Toeplitz matrix equation, and then the Toeplitz matrix equation can be solved by a fast algorithm to estimate the channel impulse response. It has shown in the simulation results that the computational complexity in the channel estimation process can be effectively reduced and the channel estimation result is accurate. © 2022 IEEE.

关键词： Computational complexity

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Intelligent Charging and Discharging System Based on V2G 14

Intelligent Charging and Discharging System Based on V2G

引用

14th IEEE international conference on Computational Intelligence and communication networks, CICN 2022

作者： Yang, Xiaolong Hu, Shejiao Hefei University of Technology School of Computer and Information Information and Communication Engineering Anhui province Hefei city China

ISBN: (纸本)9781665487719

the number of electric vehicles has reached more than 7 million. As a new way of energy storage, electric vehicles are attracting wide attention through V2G technology. In this paper, an intelligent charging and discharging system based on V2G technology, which integrates 'charging-discharging-storing', is proposed, which is based on the vehicle-network cooperation technology and the Internet of things technology, and makes full use of the distributed energy storage characteristics of electric vehicles. Realize the rapid charging of electric vehicles, give full play to the characteristics of electric vehicles as distributed energy storage during peak power consumption, relieve the pressure of power grid load, and improve the reserve adjustment ability of energy system, which has a good application prospect. © 2022 IEEE.

关键词： Vehicle-to-grid

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Performance Analysis of High-Efficiency WPT for communication Technologies 14

Performance Analysis of High-Efficiency WPT for Communicatio...

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14th IEEE international conference on Computational Intelligence and communication networks, CICN 2022

作者： Nafiaa, Reem Emad Yonis, A.Z. Ninevah University Electronic Engineering Department College of Electronics Engineering Mosul Iraq

ISBN: (纸本)9781665487719

Wireless Power Transfer (WPT) is a technology which is become an important topic nowadays due to many advantages that have, from the ease of use, safe, reliability, no need wires, and so on, and many scientists are trying to develop this technology to be used for more new smartphone devices, also WPT is considered one of green technology. In this research paper, a wireless power transfer system for the mobile battery charger had been designed and discussed using Mat lab program to get a 10 Watt to charge a mobile device with acceptable distance and efficiency. there are three methods for WPT includes electromagnetic induction (EI), magnetic resonance coupling (MRC), and radio waves (RW) which are categorized depending on the distance that sends the power. Magnetic resonance coupling is the method that has been designed is used for short and medium distances. In the result, the effect of distance system performance has been discussed. © 2022 IEEE.

关键词： Efficiency

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