Raw 60-GHz FMCW radar recordings with a finger-PPG reference for contactless heart-rate and respiration monitoring

This dataset contains the 41 recordings evaluated in the article "An Open Raw-Data Processing Framework for Millimeter-Wave Radar Applied to Quality-Gated Contactless Heart and Respiration Rate Monitoring" (D. Barvik et. al, submitted to IEEE Transactions on Microwave Theory and Techniques).

Each recording holds the raw ADC data of a Texas Instruments IWR6843AOP 60-GHz FMCW radar captured with a DCA1000 card, together with the acquisition logs. A SOMNOtouch NIBP recorder provides the synchronized reference: the finger photoplethysmogram (128 Hz) and the pulse rate (4 Hz).

Set 1 (35 recordings, 13.1 GB, one participant) covers a seated person at 1, 1.5 and 2 m from the radar, facing it or sideways, with and without a 1-m lateral offset, as well as rocking while seated and walking. Set 2 (6 recordings, 4.7 GB, two participants) covers a seated person at 1 m. In three of its recordings a second person sits at 2 m or side by side. Breathing was paced by a stopwatch in all recordings. Five chirp configurations are used (A-E).

Every recording is one ZIP file (S1-R01.zip ... S2-R06.zip), and the references are in reference_set1.zip and reference_set2.zip. Extracting all of them into one folder gives the structure described in README.md. metadata/recordings.csv describes every recording (scene, protocol position, configuration, reference session), and SHA256SUMS.txt lists the checksum of every file. The data can be read with DARTscope 2.0 (https://github.com/HealthLabVSB/DARTscope), which pairs radar and reference by their absolute clocks.

The participants are identified by codes only. The study was approved by the Ethics Committee for Biomedical Research, Faculty of Electrical Engineering and Computer Science, VSB - Technical University of Ostrava (ref. no. VSB/25/168879, 5 December 2025), and all participants gave written informed consent.