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Lightpath Management System for IP-over-CWDM Networks with ROADMs
Raja Zahilah,Soichiro Nishiuma,Tomoyuki Taira,Satoshi Kawase,Osanori Koyama,Yutaka Katsuyama 한국멀티미디어학회 2009 한국멀티미디어학회 국제학술대회 Vol.2009 No.-
A lightpath management system has been designed and implemented for IP-over-CWDM networks with ROADMs. The system can search possible lightpaths made by ROADMs with specified switch states. The function is based on an equivalent graph method proposed for representing the ROADMs, and can output lightpaths in the network together with the total loss values. The system functions enable the network administrators to manage the lightpath reconfigurations effectively without errors by avoiding making unlinked lightpaths through routes with higher losses to connect nodes, before the reconfiguration.
Web-Based IP Packet Transmission Evaluation System
Yuta Ogino,Raja Zahilah,Satoshi Nakatsukasa,Osanori Koyama,Yutaka Katsuyama 한국멀티미디어학회 2009 한국멀티미디어학회 국제학술대회 Vol.2009 No.-
A web-based IP transmission evaluation system has been designed and implemented to evaluate IP-over-WDM networks. The system consists of a web server, a network tester for measurement and a controller for the network tester. The evaluation functions were implemented such that the programs in the server and the controller work in corporation with each other to measure and save the data systematically. The system functions were examined in an experimental network, and it was found that the system could generate traffic and measure throughputs and latency effectively in corporation with the web server.
Wan Mohd Yaakob Wan Bejuri,Mohd Murtadha Mohamad,Raja Zahilah Raja,Mohd Radzi 보안공학연구지원센터 2015 International Journal of Security and Its Applicat Vol.9 No.11
When Global Positioning Systems are obstructed, standalone pedestrian tracking can be very daunting. Users in such obstructed environments (especially in home environments) will find it difficult to perform on-site navigation. It is important to create a standalone pedestrian tracking system that provides better location determination services with less computational complexity and deployment cost. One promising way to implement this service is through the use of Inertial Measurement Unit (IMU) sensors. This tracking method provides the pinpointing of standalone tracking information but is handicapped by missing stance phase during pedestrian walking activities. A new pedestrian stance detection using simultaneously localization and mapping (SLAM) will be designed in this paper with a focus on robust indoor positioning systems. We will present our preliminary results to illustrate the performance of the system for an indoor environment set-up at the end of this paper.
Optimisation of Emergency Rescue Location (ERL) using KLD-Resampling : An Initial Proposal
Wan Mohd Yaakob Wan Bejuri,Mohd Murtadha Mohamad,Raja Zahilah Raja Mohd Radzi 보안공학연구지원센터 2016 International Journal of u- and e- Service, Scienc Vol.9 No.2
When an emergency occurs in a building, congestion avoidance becomes a very serious localisation issue, which is often ignored. If the emergency involves the outbreak of fire, the rescue team must establish the easiest and quickest exit route from the building. Any delay could be very dangerous, potentially even resulting in fatalities. To avoid congestion, an effective Emergency Rescue Localisation (ERL) system is essential to help rescue teams determine the easiest exit route from the building. This paper proposes an ERL methodology, based on the Inertial Measurement Unit (IMU).In this system, the IMU helps to determine and obtain positioning data from a building’s interior. This study describes the application of the ERL system for an indoor situation in detail.
Wan Mohd Yaakob Wan Bejuri,Mohd Murtadha Mohamad,Raja Zahilah Raja Mohd Radzi 보안공학연구지원센터 2015 International Journal of Smart Home Vol.9 No.12
Congestion avoidance in emergencies is one of many overlooked localization issues. During an emergency (such as a fire), it is difficult for rescuers to determine the best exit route when inside a building. Any time delay during decision making can risk loss of life. Therefore, an efficient Emergency Rescue Localization (ERL) system is essential to assist rescuers to identify the best route for reaching the outside when inside a building. Thus, we propose a new ERL based on an Inertial Measurement Unit (IMU). In the proposed ERL, an IMU is used to retrieve location information from inside the building. To conclude, we illustrate out proposed solution for indoor environmental set-up.
Emergency Rescue Localization (ERL) using GPS, Wireless LAN and Camera
Wan Mohd Yaakob Wan Bejuri,Mohd Murtadha Mohamad,Raja Zahilah Raja Mohd Radzi 보안공학연구지원센터 2015 International Journal of Software Engineering and Vol.9 No.9
Congestion avoidance in emergency situations is among one of many overlooked localization issues. During emergency situations (such as fires), sometimes the rescuers find it hard to find the best exit route from the inside to the outside of a building. Any time delay in decision making will risk the loss of lives. Therefore, an efficient Emergency Rescue Localization (ERL) system is needed to help rescuers find the best route from the inside to the outside of a building. Thus, we propose a new ERL that is based on the integration of a Global Positioning System (GPS), Wireless LAN and camera. In this proposed ERL, the integrated Wireless LAN (WLAN) and Camera are used to retrieve location information inside a building. Then, localization methods will be adapted to GPS-based localization when subjects are in open areas outside the building. Finally, we present our experimental results to illustrate the performance of the localization system for indoor and outdoor environment set-up.