A large scale robust disaster information system based on never die network

N Uchida, K Takahata, Y Shibata… - 2012 IEEE 26th …, 2012 - ieeexplore.ieee.org
In the actual disaster case, there is certain possibility that electric power line is damaged and
power energy cannot be supplied to those communication network devices, eventually those …

Never die network extended with cognitive wireless network for disaster information system

N Uchida, K Takahata, Y Shibata… - … on Complex, Intelligent …, 2011 - ieeexplore.ieee.org
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 …

Research on never die network for disaster prevention based on openflow and cognitive wireless technology

G Sato, N Uchida, N Shiratori… - 2016 IEEE 30th …, 2016 - ieeexplore.ieee.org
By large tsunami damage due to the Great East Japan Earthquake, many existing network
system stopped functioning in various factors. Even under such circumstances, some of the …

Implementation and evaluation of never die network system for disaster prevention based on OpenFlow and Cognitive Wireless Technology

G Sato, N Uchida, N Shiratori… - 2016 10th International …, 2016 - ieeexplore.ieee.org
By large tsunami damage due to the Great East Japan Earthquake, many existing network
system stopped functioning in various factors. Even under such circumstances, some of the …

Evaluation of never die network for a rural area in an ultra large scale disaster

N Uchida, K Takahata, Y Shibata… - 2012 Sixth International …, 2012 - ieeexplore.ieee.org
About 80 percent of Japan is located in the mountain or coast sides, and so most cities
should be concerned to be isolated when a ultra large disaster happens such as Japan …

Local area network reactivation in never die network for a large scale disaster

N Uchida, K Takahata, Y Shibata… - 2012 15th International …, 2012 - ieeexplore.ieee.org
If a large scale disaster such as East Japan Great Earthquake is occurred, many resident
areas would be isolated with others because of the disconnection of transportations …

Performance analysis of never die network based on software defined disaster resilient system

G Sato, N Uchida, N Shiratori… - 2015 18th International …, 2015 - ieeexplore.ieee.org
By large tsunami damage due to the Great East Japan Earthquake, many existing network
system stopped functioning in various factors. And even in such a situation, satellite IP …

Proposal of connectivity support methods with autonomous flight wireless nodes for never die network

N Uchida, G Sato, Y Shibata… - 2015 18th International …, 2015 - ieeexplore.ieee.org
When an ultra large disaster such as the East Japan Great Earthquake occurs,
communication networks would be severely disconnected by the damages of servers and …

User policy based link and route selection methods for never die network

N Uchida, K Takahata, Y Shibata - … International Conference on …, 2011 - ieeexplore.ieee.org
A massive 9.0 magnitude earthquake hit the Pacific Ocean nearby Northeastern Japan
causing damage On March 11, 2011. Recorded as 9.0 on the Richter scale, it was the most …

Disaster communication network by combination of different wireless lans

K Takahata, S Takada, Y Shibata - … International Conference on …, 2008 - ieeexplore.ieee.org
So far we have developed a disaster information network which is very effective and robust
using wireless network. In this paper, we introduce a mobile network for disaster …