Abstract
The radar system and communication system in the military and civilian are developing to millimeter-wave band; in order to coordinate the frequency use of communication system and the radar system in this band, it is necessary to analyze the electromagnetic compatibility between them. In this paper, the LFM pulse compression radar in the 35 GHz band is taken as an example and the interference system model is constructed to analyze the electromagnetic compatibility with digital cellular mobile communication system in the same frequency band. The physical-layer simulation is carried out on the millimeter-wave radar and the communication system, and the corresponding interference limits are obtained by combining the path loss, bandwidth, and equipment space distribution of the specific system. Then, an effective link-level interference evaluation model is established, thus obtaining the system transmission power threshold and equipment distribution isolation distance threshold reference value. The research results can provide some technical references for the relevant departments of radio management in China.
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