Study on sensor networks for elderly people living alone at home

On this study, it is rapid increase elderly people living alone due to changing social structure, how to research and development that can resolve using sensor networks. A large burden takes on family and significant national budget of social security costs take at present. Moreover there are many accidents for super-elderly at home or loneliness death happened. We pay attention to movement tracking of elderly people by several different types of sensor equipments. It focuses watch care for accident prevention like fall down in a room, corridors, and a bathroom. When we research and development, it is repeated verification for promoting efforts to practical use in the future.