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6th International Conference on Ubiquitous Information Management and Communication, ICUIMC'12

作者： Dang, Tran Khanh Ngo, Chan Nam Phan, Trong Nhan Ngo, Nguyen Nhat Minh Faculty of Computer Science and Engineering Ho Chi Minh City University of Technology Viet Nam Dept. of Information Engineering and Computer Science University of Trento Italy

ISBN: (纸本)9781450311724

The world of location-based services (LBS) has been becoming more diversifying and amazing with its rapid growth in recent years. Moreover, the development has spread to many aspects in all walks of life and got powerful promotion from advanced information and communication technologies. Its pervasive moves, however, leave great concerns behind, which can cause roadblocks in the path of its prosperity. Three of them, identified as heterogeneity, user privacy, and context-awareness, have called for much attention and investigation in both research and industry community world-wide. In response to the call, we propose an elastic and open design platform named OpenLS Privacy-aware Middleware (OPM) for location-based applications as a unified solution to these issues. © 2012 ACM.

关键词： Location based services

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Hybrid Tree-like Mesh topology as new wireless sensor network platform

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Telkomnika (Telecommunication Computing Electronics and Control) 2016年第3期14卷 1166-1174页

作者： Iqbal, Muhammad Fuad, Muhammad Sukoco, Heru Alatas, Husin Department of Computer Engineering AMIK Teknokrat Bandarlampung Indonesia Department of Computer Science Faculty of Mathematics and Natural Sciences Indonesia Theoretical Physics Division Department of Physics Faculty of Mathematics and Natural Sciences Bogor Agricultural University Bogor16680 Indonesia

In this paper, we propose a new platform for air pollution monitoring system based on wireless sensor network (WSN) with Tree-like Mesh topology. We used ZigBee device and General Packet Radio Service (GPRS) for data transfer protocol. The results of a conducted test showed a good performance in delivering data in real time mode. We found that the fewer hop produced higher throughput but lower delay and packet loss ratio. The system performance demonstrated that the reduction of one hop increased 32.06% of throughput, decreased 23.28% of delay and 0.01% of packet loss ratio. © 2016 Universitas Ahmad Dahlan.

关键词： Wireless sensor networks

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FPGA-based digital twins of microcontroller peripherals for verification of embedded software in a distance learning environment 30

FPGA-based digital twins of microcontroller peripherals for ...

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30th International Scientific Conference Electronics, ET 2021

作者： Buysse, Laure Van Den Broucke, Quinn Verslype, Sammy Peuteman, Joan Boydens, Jeroen Pissoort, Davy Faculty of Engineering Technology Department of Electrical Engineering Faculty of Engineering Technology KU Leuven Bruges Campus Department of Computer Science Bruges8200 Belgium

ISBN: (纸本)9781665445184

The importance of remote laboratories is rising since distance learning becomes much more common. These remote laboratories allow students to perform experiments and laboratory assignments from home, eliminating time and location-based restrictions. Considering embedded systems courses, the challenge remains to remotely control the microcontroller peripherals. This work describes a solution by mimicking their behavior with FPGA logic, creating digital twins of the peripherals. Through a network and a client-server architecture, the student controls the digital twins remotely. © 2021 IEEE.

关键词： Embedded systems

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Nonmagnetic VCSEL Package and Driver Circuit for SERF Atomic Magnetometer 2

Nonmagnetic VCSEL Package and Driver Circuit for SERF Atomic...

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2nd Conference on Biomedical Photonics and Cross-Fusion, BPC 2023

作者： Yang, Kun Cai, Yingjie Xu, Zihan Xu, Tiedong Kong, Xiangyan Faculty of Electrical Engineering and Computer Science in Ningbo University Ningbo China Ningbo China

ISBN: (数字)9781510667556

ISBN: (纸本)9781510667549

SERF (Spin-exchange relaxation free) atomic magnetometers have been demonstrated as the ultra-high sensitive, noncryogenic sensor. Single-beam configured sensors often choose VCSEL (Vertical-Cavity Surface-Emitting Laser) as the optical source. The existing commercial VCSELs are often with magnetic package and heater, which will affect the sensitivity of atomic magnetometers. In our work, we presented a novel nonmagnetic VCSEL package and its driver circuit. VCSEL chip, heater, and PT1000 are assembled on FPC (Flexible Printed Circuit), and its driver are optimized in terms of low noise, safe protection and AC temperature control. The result showed that the magnetic field generated by heating current can be ignored based on proposed layout method, and the RMS noise of current and temperature are lower than 0.1 µA and 20 mK, respectively. Our proposed method will expand the possibility for commercialization process of miniature SERF atomic magnetometers. © 2023 SPIE.

关键词： Surface emitting lasers

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Bagley Polygon Power Divider using Simplified Composite Right/Left Handed Transmission Line

Bagley Polygon Power Divider using Simplified Composite Righ...

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2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio science Meeting, AP-S/URSI 2022

作者： Asadi, Samereh Kiyani, Arslan Bemani, Mohammad Asadnia, Mohsen Abbas, Syed Muzahir University of Tabriz Faculty of Electrical and Computer Engineering Tabriz Iran Macquarie University School of Engineering Faculty of Science and Engineering SydneyNSW2109 Australia

ISBN: (数字)9781665496582

ISBN: (纸本)9781665496582

In this paper, a Bagley Polygon power divider using Simplified-Composite Right/Left Handed (S-CRLH) transmission line (TL) is presented. Bagley Polygon power divider provides possibility of selecting the desired phase in the third port in one or two bands by using metamaterial transmission lines or conventional lines. The proposed design supports two frequency bands at 2.4GHz and 5.2GHz with a compact size of 55mm x 55mm. The results of the CRLH and S-CRLH structures are also compared. It is noted that S-CRLH as compared to CRLH exhibits small dimensions of the structure, including optimal bandwidth and lowest return losses. © 2022 IEEE.

关键词： Metamaterials

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Mitigation and Detection Strategy of DoS Attack on Wireless Sensor Network Using Blocking Approach and Intrusion Detection System 2

Mitigation and Detection Strategy of DoS Attack on Wireless ...

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2nd International Conference on Electrical, Communication and computer engineering, ICECCE 2020

作者： Kurniawan, Mochamad Teguh Yazid, Setiadi Industrial Engineering Faculty Telkom University Bandung Indonesia Computer Science Faculty Indonesia University Depok Indonesia

ISBN: (纸本)9781728171166

Wireless Sensor Network (WSN) has a big role in several fields such as military, health and even information technology such as IoT (Internet of Things). Besides having many benefits, WSN has a disadvantage in its application where there is no built-in security system embedded in the sensor device due to limitations possessed by sensor nodes such as memory, processor, and battery. As a result, WSN is vulnerable to attacks, one of the main attacks on WSN is the DoS attack. DoS attacks aim to prevent users legitimate from using resources by reducing existing resources until the network resources are busy, the network becomes slow until finally off. So, we need to detect, mitigate DoS attacks that these attacks can be stopped. In this study, the method of detecting and mitigating DoS attacks uses a signature-based Intrusion Detection System (IDS) by implementing a blocking approach on the attack node by blocking all packets originating from the attacker until the attacker runs out of energy. The blocking approach was successfully implemented on the WSN network when IDS detected a DoS attack. So, the method of blocking approach can be used as a mitigation of DoS attacks by blocking all packets sourced from the attacker. © 2020 IEEE.

关键词： Denial-of-service attack

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Correction: Federated learning-driven IoT system for automated freshness monitoring in resource-constrained vending carts

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Journal of Big Data 2025年第1期12卷 1-1页

作者： Stephan, Thompson Paramana, Padma Priya Dharishini Lin, Chia-Chen Agarwal, Saurabh Verma, Rajan Thumbay College of Management and AI in Healthcare Gulf Medical University Ajman United Arab Emirates Department of Computer Science and Engineering Faculty of Engineering and Technology M. S. Ramaiah University of Applied Sciences Bangalore India Department of Computer Science and Information Engineering National Chin-Yi University of Technology Taichung Taiwan Department of Information and Communication Engineering Yeungnam University Gyeongsan Republic of Korea University Centre for Research and Development Chandigarh University Mohali India

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A Study on DDoS Attacks Detection on IoT Devices Using Machine Learning for Microcontrollers

A Study on DDoS Attacks Detection on IoT Devices Using Machi...

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2024 IEEE International Conference on Consumer Electronics, ICCE 2024

作者： Mwaura, Jedidah Araki, Shunsuke Kakizaki, Ken'Ichi Kyushu Institute of Technology Graduate School of Computer Science and Systems Engineering FuKuoka Japan Kyushu Institute of Technology Faculty of Computer Science and Systems Engineering Fukuoka Japan

ISBN: (纸本)9798350324136

In recent years, there has been a proliferation of Internet of Things (IoT) devices, and so has been the attacks on them. In this paper we will propose a methodology to detect Distributed Denial of Service (DDoS) attacks on IoT devices using Machine Learning for Microcontrollers. We will discuss a model which we made for Arduino Nano 33 BLE Sense using Machine Learning for Microcontrollers. Additionally, we will discuss results of our proposal in detecting DDoS attacks on IoT devices. Lastly, we will describe the feasibility of our model on IoT devices. © 2024 IEEE.

关键词： DDoS IoT Machine Learning TinyML

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Quality of claim metrics in social sensing systems: A case study on IranDeal 6

Quality of claim metrics in social sensing systems: A case s...

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6th International Conference on computer and Knowledge engineering, ICCKE 2016

作者： Taghizadeh Naderi, Pooria Tabatabaee Malazi, Hadi Ghassemian, Mona Haddadi, Hamed Faculty of Computer Science and Engineering GC Shahid Beheshti University Tehran Iran School of Electronic Engineering and Computer Science Queen Mary University of London United Kingdom

ISBN: (纸本)9781509035861

There is an ongoing trend in social sensing where people act as sensors and report the events happening in their surroundings. These claims are often reported by smartphones and need to be processed to discover new patterns of events. Since these claims are not generated with consistent quality, the processing and evaluation tasks can become a challenge. In this paper, we address questions on how the quality of each claim can be evaluated, and which factors should be considered to qualify the quality of the claims. To do this, we investigate the sources of low-quality claims an propose a new form of Quality of Claim (QoC) metrics. We categorize the Quality of Claim factors into two classes of Content Measure and Feedback Measure. The study is performed on Two datasets. The main dataset is the #IranDeal extracted from Twitter. To compare the quality metrics, a second dataset is crawled from the Fouresqure social network. The metrics follow the power law pattern and are modeled by a Zipfian distribution function. The results show the power degree varies from 1.75 to 5. A number of factors are discussed as an influencer of the variation, such as the query criteria of the extracted dataset, the characteristics of the QoC metric, and the type of the social network. © 2016 IEEE.

关键词： Big data

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Rebuilding a frequently asked questions website the information you can extract - A use case 41

Rebuilding a frequently asked questions website the informat...

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41st SEFI Conference 2013

作者： Drouillon, P.-J. Dutré, P. Faculty of Engineering Tutorial Services KU Leuven Leuven Belgium Faculty of Engineering Department of Computer Science KU Leuven Leuven Belgium

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