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In-Cabin Vital Signs Monitoring Using 60 GHz Radar

Real-Time Implementation on Cadence DSPs

Single-Person & Child Presence Detection on Cadence HiFi 1 DSP

Showcased at Embedded World 2026, this demo demonstrates how 60 GHz radar and Cadence HiFi 1 DSP enable contactless, real-time monitoring of vital signs for both children and drivers.

Key Highlights

  • Child Presence Detection: Ensures child presence monitoring in vehicles, supporting essential safety standards for in-cabin detection.
  • HiFi DSP-Optimized Processing: Optimized for high-speed, low-latency processing, enabling real-time radar-based vital-sign extraction.
  • Contactless & Privacy-Preserving: Radar-based contactless monitoring ensures privacy while delivering accurate detection of vital signs without wearables or cameras.

Radar Signal Pipeline

The optimized pipeline enables real-time processing of radar signals from raw ADC input through vital-sign extraction and seat occupancy detection.

Performance at a Glance

  • Boosted Performance: Processes radar data at 23 FPS, delivering a 110× speed over baseline.
  • Key Modules:
    • Range & Doppler: 317× improvement
    • Angle Beamforming: 60× improvement
    • Detection to Phase Sample: 60× improvement
(Detailed performance metrics available in the video)

MulticoreWare Value-Add

  • Optimized Radar Signal Processing: MulticoreWare delivers optimized radar signal processing, ensuring precise, real-time monitoring of occupant health.
  • HiFi DSP & Hardware Optimization: By leveraging HiFi DSP’s architecture, MulticoreWare achieves low-latency and energy-efficient processing, maximizing radar performance
  • Edge AI Integration: Combines radar sensing with intelligent algorithms for actionable insights, ensuring continuous monitoring and occupant awareness.

Multi-Person Vital Signs Detection on Vision P6 DSP

Showcased at CES 2025 on the SemiDrive platform, this demo uses the Cadence Vision P6 DSP to process in-cabin radar data for real-time monitoring of multiple occupants.

Performance:

  • Processes radar data at 31,818 FPS
  • Achieves a 102× efficiency improvement compared to baseline
(Detailed performance metrics available in the video)