On March 24, 2016, the Japan Information and Communication Research Institute (NICT) and the NTT East Japan Chiba Branch announced that they are in the "Guardianship Greeting Experience" of the regional dementia care community business sponsored by the Society of Social Welfare of Kanzaki-cho, Katsu-gun, Chiba Prefecture. The system using the 920 GHz band wireless communication Wi-SUN to monitor elderly people with dementia will be verified on March 27, 2016.
In the verification experiment, the lover of the lost old man carries a small Wi-SUN label. By detecting the radio wave (Wi-SUN beacon) sent by this tag by the Wi-SUN router installed in the town, you can grasp the position of the lost old man and the smartphone that is likely to encounter the help of the lost elderly player. Send a message to help you find. Using this system, you can learn how to say hello to people with dementia who may get lost, and how to realize that the other person is an elderly person with dementia when they are in contact with people with dementia, and to find out who is unclear by "going hello" with the elderly with dementia.
The Wi-SUN beacon sent by the Wi-SUN tag contains information (PAN-ID) for identifying the network to which the device belongs and identification information of the device itself, which is basically a very short wireless signal that does not contain other data (ordinary wireless data packet) About one percent). Therefore, the transmission time at one time is extremely short, and it can be driven by a battery to work continuously for a long time. The continuous working time depends on the transmission interval of the Wi-SUN beacon. When using the dry battery, it can be used continuously for several years, and the button battery can also be used for several months.
When the Wi-SUN router installed in the street detects the Wi-SUN beacon, it reads the device identification information, generates an IP packet including the detection time information, the router identification information, and the location information, and then sends the IP packet to the cloud server. (Regional Monitoring Application Server). The server analyzes the beacon detection information collected by the multiple Wi-SUN routers, finds the approximate moving route of each Wi-SUN tag, and infers the location where it appears. Managers such as local government staff can view this information through the web screen.
A smart phone that helps people looking for dementia is connected to a dedicated application (regional monitoring application) by connecting a beacon detection device (Wi-SUN device). Through the application software, not only the detection information of the nearby Wi-SUN beacon is transmitted to the server, but also the detected beacon information is automatically detected from the person being found, and the reminder information is displayed on the smart phone.
In addition, the application software has the "find ringing" function that helps people find it. When a button is clicked, the location and time information of the current smartphone and the identification information of the person being found can be sent to the server. Mastering "when and when to find someone," you can also efficiently search for locations and hope to expand the links between potential guardian partners in each region.
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