Abstract
Recently, wireless LANs are spread rapidly. It is excellent at their mobility, portability and easy installation. These advantages are suitable for use it as disaster information networks. However, in the actual disaster case, electric power line is also damaged and those wireless LANs cannot be functioned. In this paper, we introduce a power saving wireless LANs for disaster use with combination of solar panel, wind turbine and battery, so that, the autonomous wireless network can be established and provide normal network functionality even through the other wired electric power and network are seriously damaged. In this paper, we designed a self-power supplied wireless disaster information network and constructed a prototype system to evaluate the functional and performance.