The International Telecommunications Union Radiocommunication Sector (ITU-R) StudyGroup 3 identified the need for a number of radio channel models in anticipation of the World Radiocommunications Conference in 2019 when the frequency allocation for 5G will be discussed. In response to the call for propagation path loss models, members of the study group carried out measurements in the frequency bands between 0.8 GHz up to 73 GHz in urban low-rise and urban high-rise as well as suburban environments. The data were subsequently merged to generate site general path loss models. The paper presents an overview of the radio channel measurements, the measured environments, the data analysis, and the approach for the derivation of the path loss model adopted in Recommendation ITU-R P.1411-10 (2019-08).
Plain Language SummaryWireless communication networks require the estimation of the attenuation suffered by radio signals as they propagate between the transmitter and receiver in different environments. The International Telecommunications Union recommendation sector (ITU-R) provides models that can be used by network planners to guide the installation of base stations. The paper presents an overview of the model adopted in the recommendation ITU-R, P. 1411-10.
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