As health becomes more and more important, people's attention to the market is increasing. Therefore, engineers are racking their brains to create various devices to obtain people's health data and do a good job of disease prevention in advance to maintain good health. Today, there are many wearable devices on the market that can monitor human health data, such as smart wristbands, smart watches, and smart running shoes. What's more, devices that collect data are implanted into the human body.
However, there is no need to worry about equipment now. Researchers from MIT's MIT hope to monitor people's heart rate and respiratory rate through the surrounding Wi-Fi, and do not need any wearable hardware during the entire monitoring process. At present, the team's idea of ​​Wi-Fi monitoring and sign data has not yet been implemented in large areas, but it is at the stage of theoretical research. Their paper will also be announced this week at the annual human-computer interaction CHI conference held in Seoul, South Korea.
The complete system for Wi-Fi monitoring of vital signs is called Vital-Radio. It works like a radar device. The router sends a Wi-Fi signal and will immediately bounce once it encounters people or objects in the vicinity. The system uses a special algorithm to calculate the reflection speed of each signal to distinguish between the presence and absence of objects and to record the human heart rate and respiratory rate. The system is detailed to track chest leveling and carotid artery pulse.
This is amazing, but this system also has its drawbacks. When the researchers compared the system with other devices that measure heart rate and respiratory frequency, it was found that it could not accurately monitor the data of the moving body. Therefore, this system can only be useful to those who have little movement, and it is meaningful for these scenarios at home or in hospital.
Of course, the data collected by this magical system cannot be used as a professional level. In this regard, the researchers hope that the system can be used to monitor the heart rate and respiratory frequency in infant sleep, or to monitor the pulsation of quiet patients in the hospital, or as a way of monitoring the user's mood at home in order to adjust the home The circumstances of the environment, such as monitoring users angry, automatically open windows or lights through the network and the like.
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