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Modeling RF Noise in Urban Environments with Spatially Distributed Point Sources

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Technical Report

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Engineer Research and Development Center (U.S.) Hanover United States

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In previous work, we have observed significant variability in radio-frequency RF noise within neighborhoods of Boston, MA, USA. Furthermore, the sources of this man-made RF noise appear to be point-like in nature. However, there are no descriptions in the literature describing the relationship between the spatial pattern of sources within a neighborhood and the distribution of measured noise powers in the same area. Therefore, we developed a simple model with completely spatially random CSR point sources and compared the modeled results with our measurements from Boston. Our results show that, at the frequency studied, a simple CSR model effectively captures the heavy-tailed behavior present in our measurements. A source density of 280 sources per km, a mean source power of 1 W and a standard deviation of 7 dB are a reasonable match to the observed distribution in Boston, MA, USA.

Subject Categories:

  • Radiofrequency Wave Propagation

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