Abstract The Great East Japan Earthquake caused many casualties and radiation
contamination from the Fukushima nuclear power plant, and many problems still remain in …

As advent of recent wireless communication technology, many applications on various fields
such as public wireless networks, disaster information networks, or intelligent traffic …

Cognitive wireless network consisted of multiple different types of wireless interface is one of
efficient wireless transmission methods for Disaster Information Network, because it solves …

In the actual disaster case, there is a certain possibility that electric power line is damaged
and power energy cannot be supplied to those communication network devices, and …

Disaster Area Wireless Networks (DAWNs) are widely deployed in natural or man-made
disaster scenes, since the communication infrastructure may be completely destroyed by the …

Wireless network is one of useful methods for Disaster Information Network, because it is
easy to recover the reconfiguration of network topology and strong for disaster such as …

On March 11, 2011, a massive 9.0 magnitude earthquake hit the Pacific Ocean nearby
Northeastern Japan causing damage with blackouts, fire, tsunami and nuclear plant crisis. A …

East Japan Great Earthquake on March 11 in 2011 caused severe damages over the wide
area of Northern Japan, and there are many remained problems even now. Information …

In order to temporally recover the information network infrastructure in disaster areas on the
East Japan Great Earthquake on March 11, 2011, various wireless network technologies …

This paper introduces new Disaster Information System based upon Delay Tolerant Network
(DTN) in Taro, Miyako, and Iwate Prefecture in Northern Japanese coastal towns which are …