Italian Scientists Develop Wi-Fi Based Human Location Tracking Technology

Italian scientists at Sapienza University of Rome have developed a groundbreaking technology that allows for the tracking of a person’s location using only Wi-Fi signals and their body measurements, even if they are not carrying any electronic devices. This early-stage technology, dubbed “WhoFi,” leverages the often-overlooked capabilities of Wi-Fi beyond simple wireless communication.

For the past decade, researchers have explored how Wi-Fi signals can be used for advanced applications such as seeing through walls, detecting human presence, and even recognizing sign language gestures. WhoFi builds on this by focusing on how a person’s unique body dimensions affect Wi-Fi signal interference.

How WhoFi Works

The technology functions by identifying how a person’s body size obstructs Wi-Fi signals. Experts have successfully managed to create a unique “fingerprint” for each individual based on these signal disruptions. By building a database of these unique disruptions, the system can then determine a person’s location if the same signal interference pattern is detected elsewhere.

While this innovation is still in its nascent stages, the developers emphasize that it does not reveal a person’s identity, and therefore should not be considered a security threat. Its future widespread adoption remains uncertain, but such a technology could prove significant for locating criminals or missing persons.

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