https://www.sciencedaily.com/releases/2023/03/230323103402.htm

The new system, built by researchers at the University of Waterloo, follows an individual's activities accurately and continuously as it gathers vital information without the need for a wearable device and alerts medical experts to the need to step in and provide help.

"After more than five years of working on this technology, we've demonstrated that very low-power, millimetre-wave radio systems enabled by machine learning and artificial intelligence can be reliably used in homes, hospitals and long-term care facilities," said Dr. George Shaker, an adjunct associate professor of electrical and computer engineering.