Ultra-Wideband (UWB) Radar: Beyond Ranging To Advanced Sensing

Ultra-Wideband (UWB) radar is an advanced sensing technology that leverages UWB’s 500MHz bandwidth and short pulses to detect objects and movement with high precision. Unlike UWB ranging, which requires two devices, UWB radar operates with a single device by capturing signal reflections, making it cost-effective and power-efficient. Capable of 360° motion detection, it works reliably in both line-of-sight (LOS) and non-line-of-sight (NLOS) conditions, outperforming traditional sensing technologies like Passive Infrared (PIR) and millimeter-wave (mmWave) radar.

UWB radar's versatility spans multiple industries. In smart spaces, it enables privacy-conscious motion detection, energy-efficient automation, and gesture-based controls. In healthcare, its ability to monitor vital signs non-invasively enhances neonatal, elder, and remote patient care. It also supports seamless access control by integrating with authentication systems, ensuring security in enterprise environments.

Automotive applications include child presence detection (CPD) mandated by Euro NCAP, which can sense breathing and heart rate movements to prevent accidents. Future vehicle integrations may leverage UWB radar for gesture-based infotainment controls, minimizing distractions.

UWB radar stands out due to its fine-ranging accuracy (<10 cm), low power consumption (<10mW), and adaptability. As AI and machine learning advance, its capabilities will further expand, enhancing safety, security, and efficiency in consumer, enterprise, and automotive applications. The ability to combine sensing and fine-ranging in a single solution positions UWB radar as a game-changing technology with significant future potential.