{"id":9123,"date":"2023-04-28T18:13:08","date_gmt":"2023-04-28T09:13:08","guid":{"rendered":"https:\/\/www11.ieice.org\/cs\/ap\/wp\/?page_id=9123"},"modified":"2025-12-05T19:22:31","modified_gmt":"2025-12-05T10:22:31","slug":"building_entry_loss","status":"publish","type":"page","link":"https:\/\/www.ieice.org\/cs\/ap\/misc\/denpan-db\/prop_model_db\/model_list\/building_entry_loss\/","title":{"rendered":"\u5efa\u7269\u4fb5\u5165\u640d\u5931"},"content":{"rendered":"<div class=\"pvc_clear\"><\/div><p id=\"pvc_stats_9123\" class=\"pvc_stats all  pvc_load_by_ajax_update\" data-element-id=\"9123\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p><div class=\"pvc_clear\"><\/div>(since 2025\/12\/5)<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u306f\uff12\u3064\u306e\u5efa\u7269\u4fb5\u5165\u640d\u5931\u306e\u30e2\u30c7\u30eb\u3092\u7d39\u4ecb\u3059\u308b\u3002<\/p>\n\n\n\n<p>\uff11\u3064\u306f\u79fb\u52d5\u901a\u4fe1\u306b\u304a\u3051\u308b\u30b7\u30b9\u30c6\u30e0\u8a55\u4fa1\u306b\u5fc5\u8981\u306a\u30c1\u30e3\u30cd\u30eb\u30e2\u30c7\u30eb\u306e\u4e2d\u3067\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u5c4b\u5916\u304b\u3089\u5c4b\u5185\u3078\u306e\u4fb5\u5165\u640d\u5931\u30e2\u30c7\u30eb [1][2]\u3002\u3082\u3046\uff11\u3064\u306f\u3001\u30d3\u30eb\u4fb5\u5165\u6642\u306e\u640d\u5931\u3092\u30b5\u30a4\u30c8\u56fa\u6709\u3067\u306f\u306a\u304f\u3001\u78ba\u7387\u8ad6\u7684\u30e2\u30c7\u30eb\u306b\u3088\u308a\u6c42\u3081\u308b\u5efa\u7269\u4fb5\u5165\u640d\u5931 [3]\u306b\u3064\u3044\u3066\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5c4b\u5916\u304b\u3089\u5c4b\u5185\u3078\u306e\u4fb5\u5165\u640d\u5931\u30e2\u30c7\u30eb<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e2\u30c7\u30eb\u306e\u6982\u8981<\/h3>\n\n\n\n<p>\u5c4b\u5916\u304b\u3089\u5c4b\u5185\u3078\u306e\u4f1d\u642c\u640d\u5931[1][2]\u3092\u6c42\u3081\u308b\u3002\u5c4b\u5916\u3067\u306e\u4f1d\u642c\u640d\u5931\u306b\u3001\u30d3\u30eb\u4fb5\u5165\u6642\u306e\u640d\u5931\u3068\u5efa\u7269\u5185\u90e8\u306e\u640d\u5931\u3092\u52a0\u7b97\u3059\u308b\u3053\u3068\u3067\u6c42\u3081\u308b\u3002\u3053\u3053\u3067\u306f\u3001\u30d3\u30eb\u4fb5\u5165\u6642\u306e\u640d\u5931\u3068\u5efa\u7269\u5185\u90e8\u306e\u640d\u5931\u306b\u3064\u3044\u3066\u8aac\u660e\u3059\u308b\u3002\u30d3\u30eb\u4fb5\u5165\u6642\u306e\u640d\u5931\u306f\u6750\u8cea\u3068\u5468\u6ce2\u6570\u306b\u3088\u308a\u5909\u5316\u3059\u308b\u3002\u5efa\u7269\u5185\u90e8\u306e\u640d\u5931\u306f\u5efa\u7269\u5185\u90e8\u306b\u304a\u3051\u308b\u4f1d\u642c\u8ddd\u96e2\u306b\u3088\u308a\u5909\u5316\u3059\u308b\u3002\u5468\u6ce2\u6570\u306f0.5GHz\uff5e100GHz\u3067\u3042\u308b\u3002\u6587\u732e[1]\u306e0.5GHz\uff5e100GHz\u5e2f\u306b\u304a\u3044\u3066\u9023\u7d9a\u6027\u3092\u91cd\u8996\u3057\u305f\u30e2\u30c7\u30eb\uff08model B\uff09\u306b\u3064\u3044\u3066\u3001\u8a18\u8f09\u3059\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1180\" height=\"730\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff11.png\" alt=\"\" class=\"wp-image-9125\" style=\"width:640px;height:auto\" srcset=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff11.png 1180w, https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff11-300x186.png 300w, https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff11-1024x633.png 1024w, https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff11-768x475.png 768w\" sizes=\"auto, (max-width: 1180px) 100vw, 1180px\" \/><figcaption class=\"wp-element-caption\"><span data-fontsize=\"16px\" style=\"font-size: 16px;\" class=\"vk_inline-font-size\">\u56f3\uff11\u3000\u5c4b\u5916\u304b\u3089\u5c4b\u5185\u3078\u306e\u4fb5\u5165\u640d\u5931\u30e2\u30c7\u30eb<\/span><\/figcaption><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6570\u5f0f<\/h3>\n\n\n\n<p>\u6587\u732e[1]\u306e\u5efa\u7269\u4fb5\u5165\u640d\u5931\u3092\u542b\u3081\u305f\u4f1d\u642c\u640d\u5931\u306f\u6b21\u306e\u901a\u308a\u3002<\/p>\n\n\n\n<p>\\(<br>PL = PL_b + PL_{\\it tw} + PL_{\\it in} + N (0, \\sigma_p^2) \\\\<br>\\tag{1}<br>\\)<\/p>\n\n\n\n<p>\\(PL_b\\)\u306f\u5c4b\u5916\u3067\u306e\u4f1d\u642c\u640d\u5931\u3001\\(PL_{tw}\\)\u306f\u30d3\u30eb\u4fb5\u5165\u6642\u306e\u640d\u5931\u3001\\(PL_{in}\\)\u306f\u5efa\u7269\u5185\u90e8\u306b\u304a\u3051\u308b\u4f1d\u642c\u8ddd\u96e2\u306b\u5bfe\u3059\u308b\u640d\u5931\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u30d3\u30eb\u4fb5\u5165\u6642\u306e\u640d\u5931\\(PL_{tw}\\)\u306f\u3001\u4ee5\u4e0b\u306e\u5f0f\u3067\u6c42\u3081\u3089\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u30d3\u30eb\u58c1\u9762\u304c\u4f4e\u640d\u5931\u306e\u5834\u5408<\/p>\n\n\n\n<p>\\(<br>PL_{\\it tw} = 5 &#8211; 10 \\log_{10} \\left( 0.3 \\cdot 10^{-L_{\\it grass}\/10} + 0.7 \\cdot 10^{-L_{\\it concrete}\/10} \\right) \\\\<br>\\tag{2}<br>\\)<\/p>\n\n\n\n<p>\u30d3\u30eb\u58c1\u9762\u304c\u9ad8\u640d\u5931\u306e\u5834\u5408<\/p>\n\n\n\n<p>\\(<br>PL_{\\it tw} = 5 &#8211; 10 \\log_{10} \\left( 0.7 \\cdot 10^{-L_{\\it IRRgrass}\/10} + 0.3 \\cdot 10^{-L_{\\it concrete}\/10} \\right) \\\\<br>\\tag{3}<br>\\)<\/p>\n\n\n\n<p>\\(L_{glass}, L_{IRRglass}, L_{concrete}\\)\u306f\u30ac\u30e9\u30b9\u3001\u8d64\u5916\u7dda\u53cd\u5c04\u30ac\u30e9\u30b9\u3068\u30b3\u30f3\u30af\u30ea\u30fc\u30c8\u6750\u8cea\u306e\u900f\u904e\u640d\u5931\u3067\u3001 \\(f\\)\u306f\u5468\u6ce2\u6570\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\\(<br>L_{\\it glass} = 2 + 0.2 \\cdot f \\\\<br>\\tag{4}<br>\\)<\/p>\n\n\n\n<p>\\(<br>L_{\\it IRRgrass} = 23 + 0.3 \\cdot f \\\\<br>\\tag{5}<br>\\)<\/p>\n\n\n\n<p>\\(<br>L_{\\it concrete} = 5 + 4 \\cdot f \\\\<br>\\tag{6}<br>\\)<\/p>\n\n\n\n<p>\u5efa\u7269\u5185\u90e8\u306b\u304a\u3051\u308b\u4f1d\u642c\u8ddd\u96e2\u306b\u5bfe\u3059\u308b\u640d\u5931\\(PL_{in}\\)\u306f\u3001\\(d_{2D-in}\\)\u306f\u5efa\u7269\u5185\u90e8\u306e\u6c34\u5e73\u9762\u4e0a\u306e2\u6b21\u5143\u8ddd\u96e2\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\\(<br>PL_{\\it in} = 0.5 d_{{\\rm 2}{\\it D-in}} \\\\<br>\\tag{7}<br>\\)<\/p>\n\n\n\n<p>\\(N(0, \\sigma_p^2)\\)\u306f\u3001\u5e73\u57470\u3067\u6a19\u6e96\u504f\u5dee\\(\\sigma_p\\)\u306e\u6b63\u898f\u5206\u5e03\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u6a19\u6e96\u504f\u5dee\\(\\sigma_p\\)\u306f\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u30d3\u30eb\u58c1\u9762\u304c\u4f4e\u640d\u5931\u306e\u5834\u5408<\/p>\n\n\n\n<p>\\(<br>\\sigma_p = 4.4 \\\\<br>\\tag{8}<br>\\)<\/p>\n\n\n\n<p>\u30d3\u30eb\u58c1\u9762\u304c\u9ad8\u640d\u5931\u306e\u5834\u5408<\/p>\n\n\n\n<p>\\(<br>\\sigma_p = 6.5 \\\\<br>\\tag{9}<br>\\)<\/p>\n\n\n\n<p>\u5c4b\u5916\u3067\u306e\u4f1d\u642c\u640d\u5931\\(PL_b\\)\u306f\u6587\u732e[1]\u306b\u8a73\u7d30\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30e9\u30e1\u30fc\u30bf<\/h3>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">\u8a18\u53f7<\/td><td>\u30d1\u30e9\u30e1\u30fc\u30bf\u8aac\u660e\uff3b\u5358\u4f4d]<\/td><td>\u30d1\u30e9\u30e1\u30fc\u30bf\u7bc4\u56f2<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(PL\\)<\/td><td>\u4f1d\u642c\u640d\u5931\u3000[dB]<\/td><td>\uff0d<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(PL_{b}\\)<\/td><td>\u5c4b\u5916\u3067\u306e\u4f1d\u642c\u640d\u5931\u3000[dB]<\/td><td>\uff0d<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(PL_{tw}\\)<\/td><td>\u30d3\u30eb\u4fb5\u5165\u6642\u306e\u640d\u5931\u3000[dB]<\/td><td>\uff0d<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(PL_{in}\\)<\/td><td>\u5efa\u7269\u5185\u90e8\u306b\u304a\u3051\u308b\u4f1d\u642c\u8ddd\u96e2\u306b\u5bfe\u3059\u308b\u640d\u5931\u3000[dB]<\/td><td>\uff0d<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(N\\)<\/td><td>\u6b63\u898f\u5206\u5e03<\/td><td>\uff0d<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(\\sigma_p\\)<\/td><td>\u6a19\u6e96\u504f\u5dee\u3000[dB]<\/td><td>\u30fc<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(L_{glass}\\)<\/td><td>\u30ac\u30e9\u30b9\u6750\u8cea\u306e\u900f\u904e\u640d\u5931\u3000[dB]<\/td><td>\u30fc\u3000<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(L_{IRRconcrete}\\)<\/td><td>\u8d64\u5916\u7dda\u53cd\u5c04\u30ac\u30e9\u30b9\u6750\u8cea\u306e\u900f\u904e\u640d\u5931\u3000[dB]<\/td><td>\u30fc<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(L_{concrete}\\)<\/td><td>\u30b3\u30f3\u30af\u30ea\u30fc\u30c8\u6750\u8cea\u306e\u900f\u904e\u640d\u5931\u3000[dB]<\/td><td>\u30fc<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(f\\)<\/td><td>\u5468\u6ce2\u6570\u3000[GHz]<\/td><td>0.5\uff5e100 GHz<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(d_{2D-in}\\)<\/td><td>\u5efa\u7269\u5185\u90e8\u306e\u6c34\u5e73\u9762\u4e0a\u306e\uff12\u6b21\u5143\u8ddd\u96e2\u3000[m]<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a08\u7b97\u4f8b<\/h3>\n\n\n\n<p>\u30d3\u30eb\u4fb5\u5165\u6642\u306e\u640d\u5931\u3068\u5efa\u7269\u5185\u90e8\u306b\u304a\u3051\u308b\u4f1d\u642c\u8ddd\u96e2\u306b\u5bfe\u3059\u308b\u640d\u5931\u3092\u52a0\u7b97\u3057\u305f\u8a08\u7b97\u4f8b\u306f\u6b21\u306e\u901a\u308a\u3002<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"834\" height=\"770\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff12.png\" alt=\"\" class=\"wp-image-9137\" style=\"width:472px;height:auto\" srcset=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff12.png 834w, https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff12-300x277.png 300w, https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff12-768x709.png 768w\" sizes=\"auto, (max-width: 834px) 100vw, 834px\" \/><figcaption class=\"wp-element-caption\"><span data-fontsize=\"16px\" style=\"font-size: 16px;\" class=\"vk_inline-font-size\">\u56f3\uff12\u3000\u5efa\u7269\u4fb5\u5165\u640d\u5931\u8a08\u7b97\u4f8b<\/span><\/figcaption><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d7\u30ed\u30b0\u30e9\u30e0<\/h3>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-973abfb8-358e-4608-95bd-a8a48a90d14b\" href=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931_ITU-R_M2412.xlsx\">\u5efa\u7269\u4fb5\u5165\u640d\u5931_ITU-R_M2412<\/a><a href=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931_ITU-R_M2412.xlsx\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-973abfb8-358e-4608-95bd-a8a48a90d14b\">\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u5efa\u7269\u4fb5\u5165\u640d\u5931<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e2\u30c7\u30eb\u306e\u6982\u8981<\/h3>\n\n\n\n<p>\u30d3\u30eb\u4fb5\u5165\u6642\u306e\u640d\u5931\u3092\u30b5\u30a4\u30c8\u56fa\u6709\u3067\u306f\u306a\u304f\u3001\u78ba\u7387\u8ad6\u7684\u30e2\u30c7\u30eb\u306b\u3088\u308a\u6c42\u3081\u308b\u5efa\u7269\u4fb5\u5165\u640d\u5931 [3]\u3067\u3042\u308a\u3001\u5c4b\u5916\u304b\u3089\u5c4b\u5185\u3078\u3001\u5c4b\u5185\u304b\u3089\u5c4b\u5916\u3078\u306e\u4f1d\u642c\u640d\u5931\u3092\u6c42\u3081\u308b\u3002\u5468\u6ce2\u6570\u306f80MHz\u304b\u3089100GHz\u307e\u3067\u3067\u3001\u4e00\u822c\u7684\u306a\u5efa\u7269\u3068\u71b1\u52b9\u7387\u306e\u826f\u30442\u3064\u306e\u30bf\u30a4\u30d7\u306b\u3064\u3044\u3066\u306e\u4ed8\u52a0\u640d\u5931\u304c\u793a\u3055\u308c\u3066\u3044\u308b\u3002\u3053\u306e\u30e2\u30c7\u30eb\u306f\u30d3\u30eb\u4fb5\u5165\u6642\u306e\u640d\u5931\u3068\u5efa\u7269\u5185\u90e8\u306e\u640d\u5931\u3092\u5206\u3051\u3066\u8a08\u7b97\u3057\u306a\u3044\u30e2\u30c7\u30eb\u3067\u3042\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"614\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff13-1024x614.png\" alt=\"\" class=\"wp-image-9141\" style=\"width:640px;height:auto\" srcset=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff13-1024x614.png 1024w, https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff13-300x180.png 300w, https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff13-768x460.png 768w, https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff13.png 1180w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><span data-fontsize=\"16px\" style=\"font-size: 16px;\" class=\"vk_inline-font-size\">\u56f3\uff13\u3000\u5efa\u7269\u4fb5\u5165\u640d\u5931<\/span><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u6570\u5f0f<\/h3>\n\n\n\n<p>\u5efa\u7269\u4fb5\u5165\u640d\u5931\u306f\u4e0b\u8a18\u306e\u5f0f\u3067\u4e0e\u3048\u3089\u308c\u308b\u3002<\/p>\n\n\n\n<p>\\(<br>L_{\\it BEL}^{\\it omni} = 10 \\log \\left( 10^{0.1 A(P)} + 10^{0.1 B(P)} + 10^{0.1 C} \\right) \\\\<br>\\tag{10}<br>\\)<\/p>\n\n\n\n<p>\\(P\\)\u306f\u6c42\u3081\u308b\u640d\u5931\u4ee5\u4e0a\u306b\u306a\u3089\u306a\u3044\u78ba\u7387\u3067\u3042\u308b\u3002\u3053\u3053\u3067\\(A(P)\\)\u3001\\(B(P)\\)\u3001\\(C\\)\u306f\u4e0b\u8a18\u306e\u5f0f\u3067\u4e0e\u3048\u3089\u308c\u308b\u3002<\/p>\n\n\n\n<p>\\(<br>A(P) = F^{-1} (P) \\sigma_1 + \\mu_1 \\\\<br>\\tag{11}<br>\\)<\/p>\n\n\n\n<p>\\(<br>B(P) = F^{-1} (P) \\sigma_2 + \\mu_2 \\\\<br>\\tag{12}<br>\\)<\/p>\n\n\n\n<p>\\(<br>C = -3.0 \\\\<br>\\tag{13}<br>\\)<\/p>\n\n\n\n<p>\\(\\sigma_1\\)\u3001\\(\\sigma_2\\)\u3001\\(\\mu_1\\)\u3001\\(\\mu_2\\)\u306f\u30d3\u30eb\u306e\u7a2e\u985e\u3067\u6c7a\u307e\u308b\u4fc2\u6570\uff08\\(u\\)\u3001\\(v\\)\u3001\\(y\\)\u3001\\(z\\)\u3001\\(w\\)\u3001\\(x\\)\uff09\u3068\u5468\u6ce2\u6570\uff08\\(f\\)\uff09\u3067\u6c42\u3081\u3089\u308c\u308b\u3002\\(F^{-1}(P)\\)\u306f\u6b63\u898f\u5206\u5e03\u306e\u7d2f\u7a4d\u5206\u5e03\u95a2\u6570\u306e\u9006\u95a2\u6570\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\\(<br>\\sigma_1 = u + v \\log (f) \\\\<br>\\tag{14}<br>\\)<\/p>\n\n\n\n<p>\\(<br>\\sigma_2 = y + z \\log (f) \\\\<br>\\tag{15}<br>\\)<\/p>\n\n\n\n<p>\\(<br>\\mu_1 = L_h + L_e \\\\<br>\\tag{16}<br>\\)<\/p>\n\n\n\n<p>\\(<br>\\mu_2 = w + x \\log (f) \\\\<br>\\tag{17}<br>\\)<\/p>\n\n\n\n<p>\\(L_h\\)\u306f\u6c34\u5e73\u30d1\u30b9\u306b\u5bfe\u3059\u308b\u4e2d\u592e\u640d\u5931\u3067\u3001\u5f0f(18)\u304b\u3089\u4e0e\u3048\u3089\u308c\u308b\u3002 \\(L_e\\) \u306f\u30d3\u30eb\u6b63\u9762\u3067\u306e\u30d1\u30b9\u306e\u4ef0\u89d2\u306b\u5bfe\u3059\u308b\u4fc2\u6570\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\\(r\\)\u3001\\(s\\)\u3001\\(t\\)\u306f\u30d3\u30eb\u306e\u7a2e\u985e\u3067\u6c7a\u307e\u308b\u4fc2\u6570\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\\(<br>L_h = r + s \\log (f) + t \\left( \\log (f) \\right)^2 \\\\<br>\\tag{18}<br>\\)<\/p>\n\n\n\n<p>\\(<br>L_e = 0.212 |\\theta| \\\\<br>\\tag{19}<br>\\)<\/p>\n\n\n\n<p>\\(\\theta\\)\u306f\u30d3\u30eb\u6b63\u9762\u3067\u306e\u30d1\u30b9\u306e\u4ef0\u89d2\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30e9\u30e1\u30fc\u30bf<\/h3>\n\n\n\n<p>\u30d3\u30eb\u306e\u7a2e\u985e\u3067\u6c7a\u307e\u308b\u4fc2\u6570\uff08\\(u\\)\u3001\\(v\\)\u3001\\(y\\)\u3001\\(z\\)\u3001\\(w\\)\u3001\\(x\\)\u3001\\(r\\)\u3001\\(s\\)\u3001\\(t\\)\uff09\u306f\u4e0b\u8a18\u306e\u8868\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">\u8a18\u53f7<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u4e00\u822c\u7684\u306a\u5efa\u7269<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u71b1\u52b9\u7387\u306e\u826f\u3044\u5efa\u7269<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(u\\)<\/td><td class=\"has-text-align-center\" data-align=\"center\">9.6<\/td><td class=\"has-text-align-center\" data-align=\"center\">13.5<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(v\\)<\/td><td class=\"has-text-align-center\" data-align=\"center\">2.0<\/td><td class=\"has-text-align-center\" data-align=\"center\">3.8<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(y\\)<\/td><td class=\"has-text-align-center\" data-align=\"center\">4.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">9.4<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(z\\)<\/td><td class=\"has-text-align-center\" data-align=\"center\">-2.0<\/td><td class=\"has-text-align-center\" data-align=\"center\">-2.1<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(w\\)<\/td><td class=\"has-text-align-center\" data-align=\"center\">9.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">27.8<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(x\\)<\/td><td class=\"has-text-align-center\" data-align=\"center\">-3.0<\/td><td class=\"has-text-align-center\" data-align=\"center\">-2.9<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(r\\)<\/td><td class=\"has-text-align-center\" data-align=\"center\">12.64<\/td><td class=\"has-text-align-center\" data-align=\"center\">28.19<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(s\\)<\/td><td class=\"has-text-align-center\" data-align=\"center\">3.72<\/td><td class=\"has-text-align-center\" data-align=\"center\">-3.00<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(t\\)<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.96<\/td><td class=\"has-text-align-center\" data-align=\"center\">8.48<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u8a08\u7b97\u306b\u7528\u3044\u308b\u5909\u6570<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">\u8a18\u53f7<\/td><td>\u30d1\u30e9\u30e1\u30fc\u30bf\u8aac\u660e\uff3b\u5358\u4f4d]<\/td><td>\u30d1\u30e9\u30e1\u30fc\u30bf\u7bc4\u56f2<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(L^{omni}_{BEL}\\)<\/td><td>\u5efa\u7269\u4fb5\u5165\u640d\u5931\u3000[dB]<\/td><td>\uff0d<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(f\\)<\/td><td>\u5468\u6ce2\u6570\u3000[GHz]<\/td><td>0.08\uff5e100 GHz<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(P\\)<\/td><td>\u6c42\u3081\u308b\u640d\u5931\u4ee5\u4e0a\u306b\u306a\u3089\u306a\u3044\u78ba\u7387<\/td><td>0.0\uff5e1.0<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\\(\\theta\\)<\/td><td>\u30d3\u30eb\u6b63\u9762\u3067\u306e\u30d1\u30b9\u306e\u4ef0\u89d2\u3000[\u5ea6]<\/td><td>\uff0d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a08\u7b97\u4f8b<\/h3>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"877\" height=\"967\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff14.png\" alt=\"\" class=\"wp-image-9149\" style=\"width:402px;height:auto\" srcset=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff14.png 877w, https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff14-272x300.png 272w, https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931\u56f3\uff14-768x847.png 768w\" sizes=\"auto, (max-width: 877px) 100vw, 877px\" \/><figcaption class=\"wp-element-caption\"><span data-fontsize=\"16px\" style=\"font-size: 16px;\" class=\"vk_inline-font-size\">\u56f3\uff14\u3000\u5efa\u7269\u4fb5\u5165\u640d\u5931\u8a08\u7b97\u4f8b<\/span><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u30d7\u30ed\u30b0\u30e9\u30e0<\/h3>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-b4a13188-58c1-4618-846b-153dc99824ed\" href=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931_ITU-R_P2109.xlsx\">\u5efa\u7269\u4fb5\u5165\u640d\u5931_ITU-R_P2109<\/a><a href=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u5efa\u7269\u6d78\u5165\u640d\u5931_ITU-R_P2109.xlsx\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-b4a13188-58c1-4618-846b-153dc99824ed\">\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u7167<\/h2>\n\n\n\n[1] ITU-R. Report M.2412-0, \u201cGuidelines for evaluation of radio interface technologies for IMT-2020,\u2019\u2019&nbsp; Oct. 2017.<\/p>\n\n\n\n[2] 3GPP TR 38. 901 v17. 0. 0,\u201dStudy on channel model for frequencies from 0.5 to 100 GHz (Release 17),\u201d March 2022.<\/p>\n\n\n\n[3] Recommendation ITU-R P.2109-1,\u3000\u201cPrediction of building entry loss,\u2019\u2019&nbsp; Aug. 2019.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3053\u3067\u306f\uff12\u3064\u306e\u5efa\u7269\u4fb5\u5165\u640d\u5931\u306e\u30e2\u30c7\u30eb\u3092\u7d39\u4ecb\u3059\u308b\u3002 \uff11\u3064\u306f\u79fb\u52d5\u901a\u4fe1\u306b\u304a\u3051\u308b\u30b7\u30b9\u30c6\u30e0\u8a55\u4fa1\u306b\u5fc5\u8981\u306a\u30c1\u30e3\u30cd\u30eb\u30e2\u30c7\u30eb\u306e\u4e2d\u3067\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u5c4b\u5916\u304b\u3089\u5c4b\u5185\u3078\u306e\u4fb5\u5165\u640d\u5931\u30e2\u30c7\u30eb [1][2]\u3002\u3082\u3046\uff11\u3064\u306f\u3001\u30d3\u30eb\u4fb5\u5165\u6642\u306e\u640d\u5931\u3092\u30b5\u30a4\u30c8\u56fa\u6709\u3067\u306f\u306a\u304f\u3001 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":12073,"menu_order":52,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-9123","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/9123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/comments?post=9123"}],"version-history":[{"count":18,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/9123\/revisions"}],"predecessor-version":[{"id":14895,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/9123\/revisions\/14895"}],"up":[{"embeddable":true,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/12073"}],"wp:attachment":[{"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/media?parent=9123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}