Prediction Formula of Propagation Loss of Ray-Tracing Data in a Hypothetical Urban Cellular Environment Based on Physical Considerations of Dominant Paths

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  • 支配的な伝搬経路の物理的検討に基づく仮想的都市環境レイトレーシングデータの伝搬損失推定式

Abstract

A propagation loss prediction formula contest is held. In this contest, the formula predicts propagation loss calculated using ray-tracing in a hypothetical urban environment. The formula construction based on ray-tracing is utilized for analysis of propagation in case that a prediction formula is constructed based on measurement results in actual environments. In this paper, the hypothetical environment is categorized into several situations classified according to the difference of dominant paths. The variables and their forms in the formula are determined based on physical considerations of dominant paths. The coefficients of the formula are obtained through optimization of the ray-tracing data.

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