Construction and evaluation of a regional protection system employing power-saving wireless terminals without using GPS modules.

H Nose, E Motoyama, H Suzuki, Y Fuwa - … of the 9th ACM symposium on …, 2012 - dl.acm.org
In recent years, there have been many cases of violent crimes against children. As a result
there is an increasing need for systems which can identify the current positions of children …

Establishment of technology for constructing sensor networks to support safe and secure areas in collaboration with the local government

Y Fuwa, M Futagawa, M Komatsu - 2019 IEEE International …, 2019 - ieeexplore.ieee.org
This paper describes the sensor network systems developed in cooperation with Shiojiri city.
We developed a relay network for sensor networks with high robustness that continues to …

自治体と創る安全・安心な生活を支えるセンサネットワークの構築技術

不破泰 - 電子情報通信学会基礎・境界ソサイエティFundamentals …, 2018 - jstage.jst.go.jp
抄録 本稿では, 筆者がこれまで開発してきたセンサネットワークシステムについて述べる. 筆者は,
大規模な災害が発生しても動作を続ける高い耐障害性を持つセンサネットワークのための中継網を …