SLEEP MONITORING WITH PHOTOPLETHYSMOGRAPHY AND ACCELERATION SENSORS IN COMBINATION WITH WIFI CHANNEL CONDITION INFORMATION TECHNOLOGY
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- HUAWEI TECH CO LTD
- Filing Date
- 2020-02-06
- Publication Date
- 2026-04-22
AI Technical Summary
Current sleep monitoring devices, such as smart wristbands and smartphones, suffer from limited accuracy due to variable environmental and positional dependencies, limited sensor capabilities, and restricted battery life, leading to suboptimal diagnosis of sleep disorders.
A system utilizing a combination of photoplethysmography and accelerometry sensors on a mobile device, along with Wi-Fi channel state information from a separate mobile device, to derive and combine sleep-related features for enhanced accuracy in diagnosing sleep disorders.
The combined use of multiple sensors increases the accuracy of sleep monitoring by providing a more comprehensive set of parameters, allowing for precise determination of respiratory patterns and sleep stages, thereby improving the reliability of sleep disorder recommendations.