PASSIVE RADAR FOR PRESENCE DETECTION
DE602009065704T2Active Publication Date: 2026-06-10SIGNIFY HOLDING BV
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- SIGNIFY HOLDING BV
- Filing Date
- 2009-04-09
- Publication Date
- 2026-06-10
AI Technical Summary
Technical Problem
Existing motion and presence detection systems are unreliable and energy-intensive, particularly in indoor environments, and lack the ability to distinguish between indoor and outdoor movements without radiating power.
Method used
A passive detection system that utilizes existing radio signals, such as GSM, to characterize signal fluctuations over time, employing channel estimation and decision modules to detect human presence or motion by analyzing baseline energy without generating additional radiation.
Benefits of technology
Provides a robust, energy-efficient method for indoor motion detection, reducing false alarms and enabling omni-directional detection of human presence and movement.
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