Method, apparatus, and system for radio based sleep tracking

This invention describes a system that uses radio waves to monitor a person's sleep without requiring them to wear any devices. It works by sending a wireless signal into a room and analyzing how the signal changes as it bounces around. A person's movements during sleep subtly alter these radio wave patterns. The system processes these changes over time, focusing on the most significant alterations, to track and interpret sleeping motions.

Why it matters: Filed in 2022, the necessary specialized wireless sensing chips and integrated signal processing capabilities have become more compact and energy-efficient. This makes the complex radio signal analysis described more feasible for smaller, consumer-oriented sleep tracking devices.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedWireless transceivers, signal processing algorithms

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