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On the Optimization of User Allocation in Heterogeneous 5G Networks Using DUDe Techniques 14

On the Optimization of User Allocation in Heterogeneous 5G N...

引用

14th International Conference on Ubiquitous and Future Networks, ICUFN 2023

作者： Tsachrelias, Konstantinos Gkamas, Apostolos Katsigiannis, Chrysostomos-Athanasios Bouras, Christos Kokkinos, Vasileios Pouyioutas, Philippos University of Patras Computer Engineering and Informatics Department Patras Greece University Ecclesiastical Academy of Athens Athens Greece University of Nicosia Computer Science Department Nicosia Cyprus

ISBN: (纸本)9798350335385

In previous years, 3G and 4G cellular homogeneous networks configured with macro Base Stations (BSs) relied only on the downlink signal, even though transmission power and interference levels differ significantly between uplink and downlink. In 5G Heterogeneous Networks (HetNet), a new generation which have multiple BSs of different types such as Femto BS and Macro BS, there is the possibility of choosing to receive the data from one BS and transmit them to a different BS, and therefore decoupling the uplink and downlink. Especially, the increasing demand for faster, more reliable, and efficient connectivity has made the optimization of User Equipment (UE) allocation in 5G networks a crucial task. To tackle the challenges posed by heterogeneous 5G networks, this study compares and evaluates the performance of Downlink/Uplink Decoupling (DUDe) and traditional Downlink/Uplink Coupled (DUCo) user allocation approaches. Simulation results show that DUDe UE allocation outperforms DUCo by providing improved network performance and more efficient utilization of network resources in diverse network conditions. These findings have important implications for the design and optimization of 5G networks and provide valuable insights for researchers and practitioners in the field. © 2023 IEEE.

关键词： 5G mobile communication systems

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Increasing Hosting Capacity of Uncontrollable Distributed Energy Resources in Isolated Power Systems

Increasing Hosting Capacity of Uncontrollable Distributed En...

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2023 IEEE PES Innovative Smart Grid Technologies Europe, ISGT EUROPE 2023

作者： Therapontos, Phivos Stavrou, Andreas Aristidou, Petros Electricity Authority of Cyprus Nicosia Cyprus Department of Electrical and Computer Engineering Nicosia Cyprus Dept. of Electrical and Computer Engineering and Informatics Cyprus University of Technology Limassol Cyprus

ISBN: (纸本)9798350396782

Due to the push for more sustainable generation, small-scale distributed energy resources (DERs) penetration has increased significantly. Most countries have no remote monitoring and control requirements for DERs below a certain size. Therefore, they can be labeled as uncontrollable DERs (UDERs). In isolated systems, the UDERs hosting capacity is limited due to frequency stability concerns, as it is impossible to modify or curtail their generation in a centralized manner. In this paper, we propose the utilization of the active power over-frequency reduction curve for increasing the hosting capacity of UDERs in isolated power systems. Cyprus’s power system has been used to evaluate the proposed solution’s performance. The optimal settings of the curve have been identified, and it was found that UDERs hosting capacity can be increased significantly with the proposed methodology. © 2023 IEEE.

关键词： frequency stability grid code requirements hosting capacity islanded systems uncontrollable distributed energy resources

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Path-Planning and Obstacle Avoidance Algorithms for UAVs: A Systematic Literature Review 25

Path-Planning and Obstacle Avoidance Algorithms for UAVs: A ...

引用

Unmanned Systems Technology XXV 2023

作者： Almazrouei, Khawla Saif Nassif, Ali Bou AlShabi, Mohammad Department of Computer Engineering College of Computing and Informatics University of Sharjah United Arab Emirates Department of Mechanical & Nuclear Engineering College of Engineering University of Sharjah United Arab Emirates

ISBN: (纸本)9781510662148

Recent interest in unmanned aerial vehicles (UAVs) has grown due to the wide range of possible civilian uses for these aircraft. However, present robot navigation technologies still need to be improved in various situations. Researchers are particularly interested in the 'Sense and Avoid' capacity as a critical issue. UAVs operating in civilian areas must have this functionality to do so safely. Numerous path planning and navigation algorithms have been developed for autonomous decision-making and control of UAVs. These path-planning algorithms are divided into either heuristic and non-heuristic or accurate methods. Both existing UAV route planning algorithms for the first and second techniques will be thoroughly compared in this work. Each algorithm is put through its paces in three diverse obstacle scenarios. Each method has been evaluated under various global and local obstacle information availability conditions while comparing the computational time and solution optimality. © 2023 SPIE.

关键词： Motion planning

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Web-Based Platform Development for Interactive 3D Visual Exhibition of Painting Artwork 5

Web-Based Platform Development for Interactive 3D Visual Exh...

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5th IEEE International Conference on computer and informatics engineering, IC2IE 2022

作者： Yuly, Ade Rahma Nugrahani, Fitria Lazuardi, Muhammad Azhar Rijalullah, Muhammad Syaikhan Ramadhan, Muhammad Ridwan Politeknik Negeri Jakarta Department of Computer and Informatics Engineering Depok Indonesia

ISBN: (数字)9781665453387

ISBN: (纸本)9781665453387

We can use technological capabilities as a solution during a pandemic. We use virtual exhibitions as one of the solutions, as it is not only implementing multimedia capabilities but also for artists and viewers to present artworks with a different experience than conventional exhibitions. In this study, we worked with artists who could not exhibit their works due to social restrictions on community activities. We use the implementation of WebGL on the exhibition platform to provide an interactive experience for users to enjoy the work more freely. We built the platform using the mixed Rapid Application Development (RAD) and Multimedia Development Life Cycle (MDLC) methods by Luther to make the work efficient. The novelty in this research is that the platform not only presents works of art but also becomes a repository for storing work data so that we can update the data on the dashboard to store multimedia data. Tests conducted on Beta Testing of users with the System Usability Scale (SUS) showed that the virtual exhibition in terms of adjective ratings included the Good category and acceptability ranges including Acceptable. We hope that with this platform, the multimedia application will become more dynamic to solve community problems under challenging conditions such as Covid 19. © 2022 IEEE.

关键词： Life cycle

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Social Distance Monitoring System Using YOLO and Pixel-to-real-world Distance Mapping 6

Social Distance Monitoring System Using YOLO and Pixel-to-re...

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6th International Conference on informatics and Computational Sciences, ICICoS 2022

作者： Liliana, Dewi Yanti Nalawati, Rizki Elisa Nugrahani, Fitria Muharram, Muhammad Rienaldy Politeknik Negeri Jakarta Department of Computer and Informatics Engineering Depok Indonesia

ISBN: (数字)9781665460996

ISBN: (纸本)9781665460996

Covid-19 is an infectious disease caused by the recently discovered coronavirus. This virus spreads through droplets produced when an infected person coughs, sneezes, or exhales. A person can be infected by breathing air containing the virus if a person is too close to someone who is already infected with Covid-19. A person can also be infected by touching contaminated surfaces and then touching their eyes, nose, or mouth. Social distancing is to reduce the spread of viruses, other than washing hands and wearing a mask. With the help of computer Vision Technology, it can monitor the safe distance of human activities in a particular area or environment. The problem is to determine the safe distance in a pixel-based digital image. The difference in the same pixel distance does not always mean the actual distance between adjacent objects is the same. It must consider the actual distance to the camera. Since social distancing requires someone to keep a certain distance from another, a web-based application with a Convolutional Neural Network (CNN) algorithm is employed using the You Only Look Once (YOLO) and Pixel-to-real-world distance mapping technique. In testing, there are several test scenarios with the accuracy results obtained of 95% with a recall of 0.95 and a precision of 0.92, and MAE 5.9 cm. © 2022 IEEE.

关键词： Pixels

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One-Shot Verification for Paper Certificates in Public Service System

One-Shot Verification for Paper Certificates in Public Servi...

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2024 International Conference on Information Technology Systems and Innovation, ICITSI 2024

作者： Aditama, Raditya Maulana, Maulvi Ziadinda Harisman, M. Rifki Virziadeili Hariyanto, Agus Susanto, Teguh T. D Universitas Indonesia Faculty of Computer Science Depok Indonesia Institut Teknologi Bandung School of Electrical Engineering and Informatics Bandung Indonesia Universitas Kristen Teknologi Solo Department of Informatics Engineering Surakarta City Indonesia Universitas Negeri Jakarta Department of Educational Management Jakarta Indonesia

ISBN: (纸本)9798331511470

Even if an explosive number of proposals and prototype systems of blockchain based certificates and verification have been suggested and implemented since 2015, still in the public service areas paper certificates are prevalent. Because of advancement of color duplication and editing tools obtainable at almost no price in the internet, paper certificates are easily forged and modified. For the reason, the verification technology of the paper certificates needs need regressive research and can provide abundant research opportunities. In this research, various research suggestions and technical implementation are reviewed and a new system, called 'one-shot' verification is briefly described. The one-shot verification captures the image and QR code of the printed certificates with mobile devices before sending them to block-chained server. The block-chained server decides whether the printed certificates are tampered or not, with the OCR content by comparing hash value with hash value of the original content. The image OCR of the paper was trained with more than 1,700 images using YOLOv8. In the testing with preprocessing, the technology showed 96% accuracy. © 2024 IEEE.

关键词： Blockchain

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Indonesian Stock Prices Prediction using Bidirectional Long Short-Term Memory 7

Indonesian Stock Prices Prediction using Bidirectional Long ...

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7th International Conference on Sustainable Information engineering and Technology, SIET 2022

作者： Dinata, I Gede Angga Yudistira, Novanto Muflikhah, Lailil Department of Informatics Engineering Faculty of Computer Science Brawijaya University Indonesia

ISBN: (纸本)9781450397117

This paper aims to know how well Bidirectional Long Short-Term Memory (BiLSTM) is in predicting Indonesian stock prices. First, the best hyperparameter of BiLSTM is searched through hyperparameter tuning. After finding the best hyperparameter, we train the data train containing close prices from Indonesian stock. After that, we try to find optimal days to predict by measuring the error rate using Mean Absolute Error (MAE). We also compared BiLSTM with Recurrent Neural Network (RNN) and LSTM by comparing the MAE from each method. Finally, we also tried using multivariate BiLSTM using Indonesian stock. The evaluations yield the best hyperparameters setting and how many days suitable for predicting BiLSTM performance. BiLSTM performed better than RNN and LSTM. Moreover, univariate BiLSTM performs better than multivariate BiLSTM in predicting Indonesian stock prices. © 2022 ACM.

关键词： Long short-term memory

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Development of Animation as a Medium for Public Health Education 5

Development of Animation as a Medium for Public Health Educa...

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5th IEEE International Conference on computer and informatics engineering, IC2IE 2022

作者： Eriya Bahreisy, Farah Nur Amani Nugrahani, Fitria Politeknik Negeri Jakarta Department of Computer and Informatics Engineering Depok Indonesia

ISBN: (数字)9781665453387

ISBN: (纸本)9781665453387

One of the diseases still suffered by many Indonesian people, especially in the city of Depok, is respiratory disease. Currently, respiratory tract disease is a case with a high number of sufferers. An effort to handle these cases is to provide counseling and education for the community. This education aims to enable people to apply a healthy lifestyle independently and prevent various types of diseases. During the COVID-19 pandemic, this role was somewhat difficult to carry out due to limited movement and space. As a solution to this problem, the part of information technology is crucial. One is utilizing multimedia technology as a medium for health education for the community, namely animation. Animation can describe and visualize something so that information can be presented clearly and visually. This study aims to develop animation as a medium of health education for the community, especially in respiratory health. The animation video was generated using the MDLC (Multimedia Development Life Cycle) method. The resulting animated video can inform the public about health that focuses on the health of the respiratory system. 85 % of users stated that this animated video helps them to understand the material presented. © 2022 IEEE.

关键词： Animation

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Evaluation of EmoHealth Application Using USE Questionnaire 5

Evaluation of EmoHealth Application Using USE Questionnaire

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5th IEEE International Conference on computer and informatics engineering, IC2IE 2022

作者： Ismail, Iklima Ermis Liliana, Dewi Yanti Zain, Ayu Rosyida Department of Computer and Informatics Engineering Politeknik Negeri Jakarta Depok Indonesia

ISBN: (数字)9781665453387

ISBN: (纸本)9781665453387

The Covid-19 pandemic situation and social restrictions as the impact have resulted in many problems, including mental and emotional health in society. The existence of mobile application technology through smartphones, which many people own, can be a means to assist, especially people with emotional problems. We have developed the EmoHealth Application for this purpose. The EmoHealth application aims to make people get easier to manage and regulate their daily emotions. The EmoHealth has been developed based on Artificial Intelligence. It has four main features, namely: emotional assessment, emotional journey, emo insight, and chatbot features, and is currently developed only in the Bahasa version. This research aims to test the EmoHealth application's usability to get users' feedback before it is widely published. Tests are carried out to ensure that the EmoHealth application is usable and suitable for user needs. The USE Questionnaire is used because it is one of the most frequently used methods in testing mobile-based applications. The USE questionnaire has four attributes: usefulness, ease of use, ease of learning, and satisfaction. Reliability testing aims to measure the consistency of the questionnaire test. The result usability score is 75.9%, which implied that the EmoHealth application can be used well and satisfactorily. © 2022 IEEE.

关键词： Mobile computing

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LINE Chatbot For Covid-19 Wellness Support using Sentence Similarity Measurement

LINE Chatbot For Covid-19 Wellness Support using Sentence Si...

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2022 International Conference on Electrical engineering and informatics, ICELTICs 2022

作者： Liliana, Dewi Yanti Nalawati, Rizky Elisa Nugrahani, Fitria Khairunisa, Hana Lestari, Raihan Agro Aulia, Vaia Sanu Politeknik Negeri Jakarta Department of Computer and Informatics Engineering Depok Indonesia

ISBN: (数字)9781665487665

ISBN: (纸本)9781665487665

The development of Mobile Applications in Indonesia is proliferating, especially in the development of Information Technology (IT) through social media and Instant Messaging (IM). The chatbot feature in some IMs is used daily to obtain information, one of which is LINE Messenger. Based on a survey conducted by authors to 221 respondents, the average number of respondents was 75.1% who were LINE users. In addition, the Covid-19 outbreak has hit the world. Covid-19 is a pandemic that is happening in many countries around the world. Therefore, many people are worried about the impact, and the authority must be ready to overcome the problem caused by this. Various research and collaborative efforts for Covid-19 wellness support by utilizing IT were conducted. This paper reports the use of LINE Chatbot as a platform to support the Covid-19 wellness program with the Sentence Similarity Measurement method. In addition to the chatbot, we created a website to make it easier for users to access the chatbot and obtain information generated from user queries. The accuracy rate of the SSM method for the Covid-19 chatbot is 85.71% in responding to user natural language questions. © 2022 IEEE.

关键词： Surveys

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