{"id":6662,"date":"2022-03-16T15:26:23","date_gmt":"2022-03-16T06:26:23","guid":{"rendered":"https:\/\/www11.ieice.org\/cs\/ap\/wp\/?page_id=6662"},"modified":"2025-12-05T18:55:59","modified_gmt":"2025-12-05T09:55:59","slug":"extended_sakagami","status":"publish","type":"page","link":"https:\/\/www.ieice.org\/cs\/ap\/misc\/denpan-db\/prop_model_db\/model_list\/extended_sakagami\/","title":{"rendered":"\u62e1\u5f35\u5742\u4e0a\u5f0f"},"content":{"rendered":"
<\/div>

<\/path><\/svg><\/i> \"Loading\"<\/p>

<\/div>(since 2025\/12\/5)<\/p>\n\n\n\n

\u30e2\u30c7\u30eb\u306e\u6982\u8981<\/h3>\n\n\n\n

\u3000\u5742\u4e0a\u5f0f[1]\u306f\u3001\u5e02\u8857\u5730\u69cb\u9020\u3092\u8003\u616e\u3057\u305f\u4f1d\u642c\u640d\u306e\u63a8\u5b9a\u30e2\u30c7\u30eb\u3067\u3042\u308b\u3002\u5e02\u8857\u5730\u69cb\u9020\u3068\u306f\u3001\u9053\u8def\u5e45\u3084\u5efa\u7269\u306e\u9ad8\u4f4e\u7b49\u306e\u5e02\u8857\u5730\u306e\u72b6\u6cc1\u3067\u3042\u308b\u3002\u5742\u4e0a\u5f0f\u304c\u9069\u7528\u3067\u304d\u308b\u5468\u6ce2\u6570\u7bc4\u56f2\u306f450MHz\u304b\u30892,200MHz\u307e\u3067\u3067\u3042\u308b\u3002\u3053\u306e\u5742\u4e0a\u5f0f\u3092\u57fa\u306b\u3057\u3066\u3001\u5468\u6ce2\u6570\u7279\u6027\u3092\u4e00\u90e8\u5909\u66f4\u3057\u3066\u3001\u5468\u6ce2\u6570\u7bc4\u56f2\u3092450MHz\u304b\u30892,600MHz\u306b\u62e1\u5f35\u3057\u305f\u63a8\u5b9a\u5f0f\u304c\u62e1\u5f35\u5742\u4e0a\u5f0f[2]\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

\u3000\u6587\u732e[3-6] \u3067\u306f\u79fb\u52d5\u5c40\u30a2\u30f3\u30c6\u30ca\u9ad8\u88dc\u6b63\u304c\u691c\u8a0e\u3055\u308c\u305f\u3002\u6587\u732e[3]\u3067\u306f\u30013, 5, 8GHz\u306e\u6e2c\u5b9a\u30c7\u30fc\u30bf\u3092\u7528\u3044\u3066\u62e1\u5f35\u5742\u4e0a\u5f0f\u3092\u8a55\u4fa1\u3057\u3066\u3001\u62e1\u5f35\u5742\u4e0a\u5f0f\u304c\u3053\u308c\u3089\u306e\u5468\u6ce2\u6570\u5e2f\u3001\u307e\u305f\u79fb\u52d5\u5c40\u30a2\u30f3\u30c6\u30ca\u9ad8\u88dc\u6b63\u306b\u3064\u3044\u3066\u3082\u9069\u7528\u3067\u304d\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n

\n
\"\"<\/figure><\/div>\n\n\n

\u6570\u5f0f<\/h3>\n\n\n\n

\u6587\u732e[2]\u306e\u62e1\u5f35\u5742\u4e0a\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3002<\/p>\n\n\n\n

\\begin{multline}
L = 100\u22127.1 \\log W + 0.023 \\theta + 1.4 \\log h_s + 6.11 \\log <H> \\\\
\u2212 \\{24.37\u22123.7(H\/h_{b0})^2\\} \\log h_b +(43.42\u22123.1 \\log h_b) \\log r + 20 \\log f
\\tag{1}
\\end{multline}<\/p>\n\n\n\n

\u6587\u732e[3-6]\u3067\u306f\u3001\u79fb\u52d5\u5c40\u30a2\u30f3\u30c6\u30ca\u9ad8\u306e\u88dc\u6b63\u5024\\(a(h_m)\\)\u304c\u691c\u8a0e\u3055\u308c\u3066\u3044\u308b\u3002\u5f0f(1)\u306b\\(a(h_m)\\)\u3092\u6e1b\u7b97\u3059\u308b\u3053\u3068\u3067\u6c42\u3081\u3089\u308c\u308b\u3002<\/p>\n\n\n\n

\\(
a(h_m)=3.2 [ \\log (11.75 h_m)]^2 \u2212 4.97
\\tag{2}
\\)<\/p>\n\n\n\n

<\u30e1\u30e2><\/p>\n\n\n\n

\u3000\u5468\u6ce2\u6570\u7279\u6027\u306b\u95a2\u9023\u3057\u3066\u3001\u6587\u732e[7]\u306f\u90fd\u5e02\u5185\u306e\u30de\u30a4\u30af\u30ed\u30bb\u30eb\u3068\u30de\u30af\u30ed\u30bb\u30eb\u306e\u4e21\u65b9\u3067450MHz\uff5e15GHz\u306e\u4f1d\u642c\u640d\u5931\u3092\u6e2c\u5b9a\u3057\u3066\u3001\u5468\u6ce2\u6570\u7279\u6027\u304c\\(20 \\log f\\)\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u308b\u3002\u5b9f\u74b0\u5883\u3067\u306e\u6e2c\u5b9a\u306b\u57fa\u3065\u3044\u3066\u3001\u3053\u306e\u9ad8\u3044\u5468\u6ce2\u6570\u5e2f\u306e\u7279\u6027\u304c\u793a\u3055\u308c\u305f\u306e\u306f\u3053\u308c\u304c\u521d\u3081\u3066\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

\u30d1\u30e9\u30e1\u30fc\u30bf<\/h3>\n\n\n\n
\u8a18\u53f7<\/td>\u30d1\u30e9\u30e1\u30fc\u30bf\u8aac\u660e[\u5358\u4f4d]<\/td>\u9069\u7528\u7bc4\u56f2<\/td><\/tr>
\\(L\\)<\/td>\u4f1d\u642c\u640d [dB]
\u7d0480m\u533a\u9593\u306e\u4e2d\u592e\u5024\uff08\u5e02\u8857\u5730\u69cb\u9020\u304c\u4e00\u5b9a\u3068\u307f\u306a\u305b\u308b\u533a\u9593\uff09<\/td>		<\/td><\/tr>
\\(f\\)<\/td>\u5468\u6ce2\u6570 [MHz]
\u203b\u6587\u732e[3]\u3067\u306f8,000MHz\u307e\u3067\u9069\u7528\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u3066\u3044\u308b\u3002<\/td>		450~2,600MHz<\/td><\/tr>
\\(r\\)<\/td>\u9001\u53d7\u4fe1\u9593\u8ddd\u96e2 [km]<\/td>0.5~10km<\/td><\/tr>
\\(<H>\\)<\/td>\u5e73\u5747\u5efa\u7269\u9ad8\uff08\u79fb\u52d5\u5c40\u304c\u3042\u308b\u5730\u9762\u304b\u3089\u306e\u9ad8\u3055\uff09[m]
\u9001\u53d7\u4fe1\u9593\u306b\u3042\u308b\u5efa\u7269\u5e73\u5747\u5024<\/td>		5~50m<\/td><\/tr>
\\(h_b\\)<\/td>\u57fa\u5730\u5c40\u30a2\u30f3\u30c6\u30ca\u9ad8\uff08\u79fb\u52d5\u5c40\u304c\u3042\u308b\u5730\u9762\u304b\u3089\u306e\u9ad8\u3055\uff09[m]<\/td>20~100m<\/td><\/tr>
\\(h_{b0}\\)<\/td>\u57fa\u5730\u5c40\u30a2\u30f3\u30c6\u30ca\u5730\u4e0a\u9ad8\uff08\u57fa\u5730\u5c40\u306e\u5730\u9762\u304b\u3089\u306e\u9ad8\u3055\uff09[m]<\/td><\/td><\/tr>
\\(H\\)<\/td>\u57fa\u5730\u5c40\u8fd1\u508d\u306e\u5efa\u7269\u9ad8\uff08\u57fa\u5730\u5c40\u306e\u5730\u9762\u304b\u3089\u306e\u9ad8\u3055\uff09[m]
\u57fa\u5730\u5c40\u304b\u3089\u534a\u5f84100m\u4ee5\u5185\u306e\u5efa\u7269\u9ad8\u306e\u5e73\u5747\u5024<\/td>		\\(H\u2266h_{b0}\\)<\/td><\/tr>
\\(W\\)<\/td>\u79fb\u52d5\u5c40\u8fd1\u508d\u306e\u9053\u8def\u5e45 [m]<\/td>5~50m<\/td><\/tr>
\\(\\theta\\)<\/td>\u9053\u8def\u89d2\uff08\u57fa\u5730\u5c40\u3068\u79fb\u52d5\u5c40\u3092\u7d50\u3076\u7dda\u3068\u9053\u8def\u306e\u65b9\u5411\u3068\u306e\u306a\u3059\u89d2\uff09[\u5ea6]<\/td>0~90\u5ea6<\/td><\/tr>
\\(h_s\\)<\/td>\u9053\u8def\u969b\u306e\u5efa\u7269\u9ad8 [m]
\u9053\u8def\u306e\u76f4\u7dda\u533a\u9593\u306b\u3042\u308b\u5efa\u7269\u9ad8\u306e\u5e73\u5747\u5024<\/td>		5~80m<\/td><\/tr>
\\(h_m\\)<\/td>\u79fb\u52d5\u5c40\u30a2\u30f3\u30c6\u30ca\u9ad8[m]<\/td>1~10m<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u8a08\u7b97\u4f8b<\/h3>\n\n\n\n

\u6587\u732e[2]\u306e\u62e1\u5f35\u5742\u4e0a\u5f0f\u306e\u8a08\u7b97\u4f8b\u306f\u6b21\u306e\u3068\u304a\u308a\u3002<\/p>\n\n\n

\n
\"\"<\/figure><\/div>\n\n\n

\u30d7\u30ed\u30b0\u30e9\u30e0\u4f8b<\/h3>\n\n\n\n

\u8a08\u7b97\u7528\u30a8\u30af\u30bb\u30eb\u30d5\u30a1\u30a4\u30eb<\/a><\/p>\n\n\n\n

\u53c2\u7167<\/h2>\n\n\n\n[1] \u5742\u4e0a\u4fee\u4e8c\uff0c\u4e45\u4fdd\u4e95\u6f54\uff0c\u201c\u5e02\u8857\u5730\u69cb\u9020\u3092\u8003\u616e\u3057\u305f\u4f1d\u642c\u640d\u5931\u306e\u63a8\u5b9a\uff0c\u201d\u4fe1\u5b66\u8ad6\uff08B-II\uff09\uff0cvol.J74-B-II\uff0cno.1\uff0cpp.17\u201325\uff0cJan. 1991.<\/p>\n\n\n\n[2] \u85e4\u4e95\u8f1d\u4e5f\uff0c\u201c\u9678\u4e0a\u79fb\u52d5\u901a\u4fe1\u306b\u304a\u3051\u308b\u4f1d\u642c\u640d\u63a8\u5b9a\u5f0f\uff0d\u201d\u5742\u4e0a\u5f0f\u201c \u306e\u62e1\u5f35\uff0d\uff0c\u201d \u4fe1\u5b66\u8ad6\uff08B\uff09\uff0cvol. J86-B\uff0cno.10\uff0cpp.2264-2267\uff0cOct. 2003.<\/p>\n\n\n\n[3] \u592a\u7530\u559c\u5143\uff0c\u8868\u82f1\u6bc5\uff0c\u4e09\u4e0a\u5b66\uff0c\u85e4\u4e95\u8f1d\u4e5f\uff0c \u201c\u30de\u30a4\u30af\u30ed\u6ce2\u5e2f\u306b\u304a\u3051\u308b\u4f1d\u642c\u640d\u5931\u63a8\u5b9a\u5f0f\u306e\u691c\u8a0e\uff0d\u201c\u62e1\u5f35\u5742\u4e0a\u5f0f\u201d\u3068\u306e\u6bd4\u8f03\uff0d\uff0c\u201d\u4fe1\u5b66\u6280\u5831\uff0cAP2003-319\uff0cpp.51-56\uff0c March. 2004.<\/p>\n\n\n\n[4] T. Fujii, \u201cDelay Profile Modeling for Wideband Mobile Propagation, \u201c Proc. IEEE 2004 VTC fall, Loss Angels,  USA, Sept. 2004.<\/p>\n\n\n\n[5] ITU-R. Report M.2135-1, \u201cGuidelines for evaluation of radio interface technologies for IMT-Advanced ,\u2019\u2019  Dec. 2009.<\/p>\n\n\n\n[6] \u5510\u6ca2\u597d\u7537\uff0c\u201c\u79fb\u52d5\u901a\u4fe1\u306e\u96fb\u6ce2\u4f1d\u642c\uff0c\u201d\u30a2\u30f3\u30c6\u30ca\u30fb\u7121\u7dda\u30cf\u30f3\u30c9\u30d6\u30c3\u30af\uff0c\u5f8c\u85e4\u5c1a\u4e45\uff0c\u4e2d\u5ddd\u6b63\u96c4\uff0c\u4f0a\u85e4\u7cbe\u5f66(\u5171\u7de8) \uff0c1.3\u7ae0\uff0c\u30aa\u30fc\u30e0\u793e\uff0c\u6771\u4eac\uff0c2006.<\/p>\n\n\n\n[7] Y. Oda, R. Tsuchihashi, K. Tsunekawa, M. Hata, \u201cMeasured path loss and multipath propagation characteristics in UHF and microwave frequency bands for urban mobile communications,\u2019\u2019 Proc. IEEE VTC 2001 Spring, pp.337-341, Rhodes, Greece, May. 2001.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u30e2\u30c7\u30eb\u306e\u6982\u8981 \u3000\u5742\u4e0a\u5f0f[1]\u306f\u3001\u5e02\u8857\u5730\u69cb\u9020\u3092\u8003\u616e\u3057\u305f\u4f1d\u642c\u640d\u306e\u63a8\u5b9a\u30e2\u30c7\u30eb\u3067\u3042\u308b\u3002\u5e02\u8857\u5730\u69cb\u9020\u3068\u306f\u3001\u9053\u8def\u5e45\u3084\u5efa\u7269\u306e\u9ad8\u4f4e\u7b49\u306e\u5e02\u8857\u5730\u306e\u72b6\u6cc1\u3067\u3042\u308b\u3002\u5742\u4e0a\u5f0f\u304c\u9069\u7528\u3067\u304d\u308b\u5468\u6ce2\u6570\u7bc4\u56f2\u306f450MHz\u304b\u30892,200MHz\u307e\u3067\u3067\u3042\u308b\u3002\u3053\u306e\u5742\u4e0a\u5f0f […]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":12073,"menu_order":23,"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-6662","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/6662","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=6662"}],"version-history":[{"count":28,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/6662\/revisions"}],"predecessor-version":[{"id":14878,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/6662\/revisions\/14878"}],"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=6662"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}