Abstract

Earth station in motion (ESIM) service is an advanced satellite service and its demand is increasing around the world. 5G mobile service (IMT-2020) is also one of the most demanding systems in the world. As ESIM uplink will operate in 27.5-29.5 GHz band that is contiguous to a candidate band for 5G mobile service, both services should be confirmed for the possibility of adjacent channel compatibility. In this paper, we propose methods to analyze the adjacent channel interference from maritime ESIM to 5G mobile service. Minimum coupling loss (MCL) and Monte Carlo (MC) methods are used to obtain the minimum separation distance and the adjacent channel interference ratio (ACIR) required for the adjacent channel compatibility, and the throughput loss of 5G up and downlink for given separation distance and ACIRs. Various feasible solutions as well as the worst requirements are provided.

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