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Wi-Fi ® sensing for child presence detection(CPD)
Overview
Wi-Fi sensing enables
high flexibility of sensor location with high detection capability
Wi-Fi sensing can be freely located in contrast to cameras.
We can accurately detect breathing and slight movement of children.
We can detect changes of environment by using real time sensing with combination TRM(WirelessAI™) Technology of Origin Wireless™ and Murata’s high reliability wireless module.
Strengths
- Existing Wi-Fi system can be used.
- Tiny motion and breathing can be detected
- High flexibility of antenna position
- Child under a blanket and on the floor can be detected
- Both front seat and rear seat can be covered.
- No calibration required
| Camera | mmWave Radar | Wi-Fi | ||
|---|---|---|---|---|
| Method | Image | Radio | Radio | |
| Usability | Flexibility of sensor location | Fair | Fair | Good |
| Calibration | - | Fair | Good | |
| Detection capability | Breathing detection | Poor | Good | Good |
| Motion detection | Good | Good | Good | |
| Blind spots | Poor | Good | Good | |
| Under blanket | Poor | Good | Good | |
| Localization | Good | Good | Poor |
Mechanism
- Changes of environment can be be detected from changes of radio wave reflections.
- Breathing can be detected from the periodicity of radio wave reflections.
Applications
*We can accept inquiries only for automotive applications.
System configuration example
Two Wi-Fi modules are required to detect a child in the car.
Existing Wi-Fi systems like in-vehicle infortainment(Car navigation) or telematic control unit can be used.
Wi-Fi sensing system can be built only by installing Originwireless software in either Wi-Fi system
Support service for PoC(Proof of Concept) test
Murata can provide ”Support Service for PoC Test" before you develop commercial product and service.
*Service offerings are subject to change without notice. Please contact us for details.
*We will provide evaluation kits to customers who will produce their products more than 10K a year.
Evaluation kit
| Chipset | |
|---|---|
| WLAN | NXP Chipset 88W8897 |
*We can accept inquiries only for automotive applications.
Contact
Please make inquiries about our solutions introduced here using the contact form below.
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