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WiFi signals can measure heart rate
Engineers prove their technique is effective even with the lowest-cost WiFi devices
The Pulse-Fi system is highly accurate, achieving clinical-level heart rate monitoring with ultra low-cost WiFi devices, making it useful for low resource settings. But new research from engineers at the University of California, Santa Cruz, shows how the signal from a household WiFi device can be used for this crucial health monitoring with state-of-the-art accuracy—without the need for a wearable. A study demonstrating the technology, which the researchers have coined “Pulse-Fi,” was published in the proceedings of the 2025 IEEE International Conference on Distributed Computing in Smart Systems and the Internet of Things (DCOSS-IoT).
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