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This research aims to investigate how common indoor materials impact mmWave radar performance in terms of signal propagation and reflection.

Impact of Common Indoor Materials on 77–81 GHz mmWave Radar Performance: Signal Behaviour, Attenuation and Reflection Characteristics

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This research aims to investigate how common indoor materials impact mmWave radar performance in terms of signal propagation and reflection.
Experimental quantification of radar parameters using various materials: wood, glass, metals, drywall, PET-G, foam, and plastics.
Measurement of attenuation and non-line-of-sight reflections under experimental conditions.
Benchmarking of noise-floor levels, received-power trends, and signal-to-noise ratios.
Metals block direct transmission but enhance non-line-of-sight detection through strong reflections.
Transparent materials like glass and PET-G facilitate non-line-of-sight coverage; foam and plastics show low attenuation.
Guidelines derived for sensor placement and multipath mitigation improve reliability in cluttered environments.

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Experimental evaluation reveals how indoor materials affect radar performance and sensing reliability.

Bimani et al. (2026) studied this question.

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