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J Electromagn Eng Sci > Volume 9(4); 2009 > Article
Journal of the Korean Institute of Electromagnetic and Science 2009;9(4):202-210.
DOI: https://doi.org/10.5515/JKIEES.2009.9.4.202   
Analysis of Interference between UWB and ITS
Se-Ho Park, Eun-Cheol Kim, Jin-Young Kim
Department of Wireless Communications Engineering, Kwangwoon University
Abstract
In this paper, we have analyzed the effect of interference between ultra-wideband(UWB) and intelligent transport systems(ITS). The maximum possible UWB emission power and minimum possible distance between UWB devices and ITS are found. In order to analyze the interference, we employ the Monte-Carlo(MC) method. We consider six situations, which are indoor office line-of-sight(LOS), indoor office non-line-of-sight(NLOS), indoor residential LOS, indoor residential NLOS, outdoor rural LOS, and outdoor rural NLOS environments. From the simulation results, it is confirmed that coexistence between UWB and ITS devices can be realized in accordance with the emission mask of 19.3 dB for indoor application or 19.3 dB for an image system. And in the outdoors, coexistence between UWB and ITS devices can be realized if the emission mask is at least 1.6 dB for vehicles' radar systems.
Key words: Interference Analysis, Intelligent Transport Systems(ITS), Monte-Carlo(MC), Ultra-wideband(UWB)

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