LEARNING MODEL GENERATION DEVICE FOR ESTIMATING PROPAGATION CHARACTERISTICS OF WIRELESS SIGNALS

• Main Authors: YOSHIKAWA KEIJI, AMANO YOSHIAKI
• Format: Patent
• Language: English; Japanese
• Published: 09.11.2023
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; PHYSICS; TRANSMISSION; WIRELESS COMMUNICATIONS NETWORKS

To provide a technique for estimating propagation characteristics that takes into account the shape of the surface of a reflecting object.SOLUTION: A generation device includes learning means for generating a learning model for estimating propagation characteristics of a wireless signal on the basis of a plurality of pieces of training data. Each of the plurality of pieces of training data includes data indicating one or more types of normal maps, and correct data indicating the characteristic value at the receiving position of the wireless signal transmitted at the transmission position. Each of the one or more types of normal maps indicates a normal direction of an object located at each of a plurality of pixels within a range including at least one of the transmission position and the reception position.SELECTED DRAWING: Figure 1 【課題】反射物の表面の形状を考慮した伝搬特性の推定技術を提供する。【解決手段】生成装置は、複数の教師データに基づき無線信号の伝搬特性を推定するための学習モデルを生成する学習手段を備え、前記複数の教師データのそれぞれは、１つ以上の種別の法線マップを示すデータと、送信位置で送信した前記無線信号の受信位置における特性値を示す正解データと、を含み、前記１つ以上の種別の法線マップそれぞれは、前記送信位置及び前記受信位置の少なくとも１つを含む範囲内の複数の画素それぞれの位置にある物体の法線方向を示している。【選択図】図１