Volume 12, Issue 1, January 2021
| A GNSS/UWB Integrated Positioning Methodology for Geo-Localization |
| Pages: 1-9 (9) | [Full Text] PDF (521K) |
| Ngye Antoinette Agwa, Takumi Kobayashi, Chika Sugimoto, Ryuji Kohno |
| Graduate School of Engineering Science, Yokohama National University, Japan University of Oulu Research Institute Japan |
Abstract - Global navigation satellite system (GNSS) is the most used relative positioning technology today for land surveys. However, this positioning method is not suitable for indoor or dense urban environments because the positioning accuracy is greatly affected by obstructions from tall buildings and trees that can cost the deviation of signals. On the other hand, Ultra-wideband (UWB) is a local positioning technology used for local measurements in a high multipath environment. This paper focuses on the integration methodology between GNSS and UWB (GNSS/UWB) for outdoor positioning based on Real-Time Kinematic (RTK). We equally proposed a method for anchor notes positioning used to determine the target node coordinates. Simulation results with MATLAB showed that a survey based on GNSS/UWB was exceptionally efficient technology for the environment with very poor satellite visibilities and allowed for reliable millimeters accuracy. The coordinates of each point were obtained in less than 2 minutes of the observational sessions. |
| Index Terms - GNSS/UWB Integration, Cadastral Map, Digital Land Points, Localization Accuracy, Particle Filter and Geo-Localization |
| Partition Based Clustering Algorithms Comparison |
| Pages: 10-14 (5) | [Full Text] PDF (583K) |
| Btissame MAHI, Youssef FAKIR |
| Laboratory of Information Processing and Decision Support, Department of Computer Science, Faculty of Science and Technology, Sultan Moulay Slimane University, PO Box. 523, Béni Mellal, Morocco |
Abstract - Cluster algorithms can be classified as hierarchical based clustering, density-based clustering, grid based clustering and model based clustering. Clustering algorithms has been studied and applied in many different areas, such as analysis of institutions' academic performance. In this article, we will cover partition-based clustering algorithms. The k-means approach is compared to other partition clustering algorithms, such as PAM and FCM. The results of the experiments indicate that the number of clusters and the number of data can influence the performance of algorithms. |
| Index Terms - Clustering, Partition, FCM, K-Means and PAM |
| Automated Smart Home Using Internet of Things (IoT)- A Survey |
| Pages: 15-19 (5) | [Full Text] PDF (186K) |
| Fatima Anwar, Fatima Aslam |
| Department of Computer Science and Engineering, University of Engineering and Technology, Lahore-Pakistan |
Abstract - Our aim is to conduct a general survey of smart home appliances controlled with wireless technologies (IoT). Today in the headway of Automation innovation, eve-ryone needs comfort and ease with the use of technology. IoT is the integration of electronics software with physical de-vices. Like many other potential applica-tions, it can be implemented in Home au-tomation which offers various features i.e., efficient energy consumption, safety, and protection. |
| Index Terms - Smart Home, IoT, Cloud Computing and Home Appliances |
| An Overview of a Compiler Construction: Towards Phases of Compiler |
| Pages: 20-26 (7) | [Full Text] PDF (626K) |
| Bashir Salisu Abubakar |
| Department of Computer Science and Information Technology |
Abstract - Research in compiler construction has been one among the core research areas in computing. Researchers in this domain try to understand how a computer system and computer languages associate. A compiler translates code written in human-readable form (source code) to target code (machine code) that is efficient and optimized in terms of time and space without altering the meaning of the source program. This paper aims to provide an overview of the steps involved in translating source code. |
| Index Terms - A Compiler, Phases of a Compiler, Analysis, Synthesis and Features of a Compiler |
| Pages: 27-30 (4) | [Full Text] PDF (433K) |
Abstract - |
| Index Terms - |
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