MmWave scattering properties of roads on rough asphalt and concrete surfaces

Vera Kurz, Manuel Fuenfer, Florian Pfeiffer, Erwin Biebl

Research output: Contribution to journalArticlepeer-review


In this work, a synthetic aperture radar setup is used for analyzing the mmWave scattering of road surfaces in the automotive 77ĝ€¯GHz band in the laboratory. With this setup, samples of concrete roads in two different surface conditions are investigated, determining the variances in reflectivity depending on material composition and surface structure. Afterward, the distribution of these variations is fitted using probability density functions, namely normal and rayleigh distribution fits. Consequently, the diffuse scattering behavior of concrete roads can be described mathematically. Additionally, previously presented porous asphalt roads are compared and fitted analogously to get a summary of the scattering for all common road surfaces in Germany. Furthermore, a validation of the measurement and the processing by analyzing particularly generated reference samples is performed.

Original languageEnglish
Pages (from-to)57-64
Number of pages8
JournalAdvances in Radio Science
StatePublished - 1 Dec 2023


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