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LBRY Claims • damage-detection-with-sensors

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25 Oct 2023 20:00:37 UTC
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Damage detection with sensors
Natural Disasters Online Course
https://giladjames.com
Section: Multi-Tier Networks for Citywide Damage Monitoring in a Natural Disaster
Lesson: Damage detection with sensors
Natural Disasters.
This course is brought to you by Gilad James Mystery School. Learn more at Gilad James.com.
Introduction
Progress of computer networks and mobile communications are leading to the environments capable of accessing networks anytime, anywhere. Furthermore, ubiquitous networks which are emerging in a smart city would awaken expectations to acquire any information with a hotspot panel in a whole city. People expect to acquire information through the Internet with mobile devices or information appliances as usual, even in case of a large scale natural disaster. They also expect to contact with family and friends by mobile phones anytime. Though quick, accurate damage informationhas beenstrongly required for speedy and effective rescue operation, those communication systems did not work sufficientlyinthe previous large-scale disasters, due to both damage on facilitiesand communications congestion by heavy use or network overload. As a result, response efforts were delayed, causing further damage that could have been prevented with better communications.
To solve the issue on collecting damage information and personal safety information in a natural disaster, several studieshave been carried out,for example, to provide emergency services in Internet and to maintain communications in evacuation shelters. The Journal of IEICE introduced policy for acquiring damage information and maintaining communications in a disaster. Moreover, regarding recovery from disaster damage in networks, telecommunication service companies have endeavored to mitigate aftermath of a disaster effectively. However, in case of the Great East Japan Earthquake in 2011, telecommunication systems and networks could not maintained services after all. As a result, authorities could not comprehend the damage situations quickly, due to not only the scale of disaster-affected area but also to the loss of lines of communications .
This paper firstly reviews some networking technologies for disaster communications, and discusses a scheme on multi-tier damage monitoring in a citywide area. Then, an experimental system configured with a centralized hierarchical network, which was developed to acquire damage information from lifeline facilities installed in residences is shown. Finally, some results of computer simulation for multi-tier networks enhanced with an ad hocnetworking technique are also presented.
#natural #disasters
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https://www.youtube.com/watch?v=OE403CpRIkQ
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video/mp4
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English
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