Risk management communication system between a local government and residents using several network systems and terminal devices

Takashi Ohyama; Hiroyuki Enomoto; Yuichiro Takei; Yuji Maeda

doi:10.1117/12.817890

4 May 2009 Risk management communication system between a local government and residents using several network systems and terminal devices

Takashi Ohyama, Hiroyuki Enomoto, Yuichiro Takei, Yuji Maeda

Author Affiliations +

Proceedings Volume 7305, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense VIII; 730503 (2009) https://doi.org/10.1117/12.817890
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

Abstract

Most of Japan's local governments utilize municipal disaster-management radio communications systems to communicate information on disasters or terrorism to residents. The national government is progressing in efforts toward digitalization by local governments of these systems, but only a small number (approx. 10%) have introduced such equipment due to its requiring large amounts of investment. On the other hand, many local governments are moving forward in installation of optical fiber networks for the purpose of eliminating the "digital divide." We herein propose a communication system as an alternative or supplement to municipal disaster-management radio communications systems, which utilizes municipal optical fiber networks, the internet and similar networks and terminals. The system utilizes the multiple existing networks and is capable of instantly distributing to all residents, and controlling, risk management information. We describe the system overview and the field trials conducted with a local government using this system.

Citation Download Citation

Takashi Ohyama, Hiroyuki Enomoto, Yuichiro Takei, and Yuji Maeda "Risk management communication system between a local government and residents using several network systems and terminal devices", Proc. SPIE 7305, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense VIII, 730503 (4 May 2009); https://doi.org/10.1117/12.817890

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KEYWORDS

Telecommunications

Cell phones

Control systems

Optical fibers

Optical networks

Transmitters

Human-machine interfaces

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