{"id":379,"date":"2018-07-19T11:27:34","date_gmt":"2018-07-19T02:27:34","guid":{"rendered":"http:\/\/www.fatware.jp\/?page_id=379"},"modified":"2019-10-25T13:28:23","modified_gmt":"2019-10-25T04:28:23","slug":"mmtc%e3%81%ae%e3%83%86%e3%82%b9%e3%83%88%e3%82%b7%e3%83%8a%e3%83%aa%e3%82%aa","status":"publish","type":"page","link":"https:\/\/www.fatware.jp\/?page_id=379","title":{"rendered":"mMTC\u306e\u30c6\u30b9\u30c8\u30b7\u30ca\u30ea\u30aa\u65e5\u672c\u8a9e\u8a33\u30fb\u89e3\u8aac"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">\u5c0e\u5165\u30b7\u30ca\u30ea\u30aa<\/h3>\n\n\n\n<p>\n\n\u5c0e\u5165\u30b7\u30ca\u30ea\u30aa\u306f3GPP TR 38.913 V14.1.0 (2016-12) \u306e Section 6.1.7\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b Urban coverage for massive connection\uff08\u5927\u898f\u6a21\u306a\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u6570\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306e\u90fd\u5e02\u90e8\u3067\u306e\u30ab\u30d0\u30ec\u30c3\u30b8\uff09\u3092\u7528\u3044\u308b\u3002\u5c0e\u5165\u30b7\u30ca\u30ea\u30aa\u306e\u57fa\u672c\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u4e0b\u8a18\u306e\u8868\u306e\u3068\u304a\u308a\u3002\n\n<\/p>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u5c5e\u6027<\/th><th>\u5024\u3068\u4eee\u5b9a<\/th><\/tr><\/thead><tbody><tr><td>\u30ad\u30e3\u30ea\u30a2\u5468\u6ce2\u6570\uff08Carrier Frequency\uff09<\/td><td>700MHz, 2100 MHz as an option<\/td><\/tr><tr><td>ISD\u3092\u542b\u3093\u3060\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u55b6\uff08Network deployment including ISD \uff09<\/td><td>Macro only, ISD = 1732m, 500m \u203b<\/td><\/tr><tr><td>\u30c7\u30d0\u30a4\u30b9\u5074\u306e\u8a2d\u55b6\uff08Device deployment\uff09<\/td><td>\u5c4b\u5185\u3068\u5c4b\u5916\u306e\u8eca\u8f09\u30c7\u30d0\u30a4\u30b9\uff08Indoor, and outdoor in-car devices\uff09<\/td><\/tr><tr><td>\u6700\u5927\u79fb\u52d5\u901f\u5ea6\uff08Maximum mobility speed\uff09<\/td><td>\u30e6\u30fc\u30b6\u306e20\uff05\u306f\u5c4b\u5916\u306e\u793e\u5185\uff08100km\/h\uff09\u307e\u305f\u306f\u5c4b\u5916\u3067\u5f92\u6b69\uff083km\/h\uff09\uff0820% of users are outdoor in cars (100km\/h) or 20% of users are outdoors (3km\/h)\uff09<br>\u30e6\u30fc\u30b6\u306e80\uff05\u306f\u5c4b\u5185\u3067\u5f92\u6b69\uff083km\/h\uff09\uff0880% of users are indoor (3km\/h)\uff09<br>\u30bb\u30eb\u5168\u4f53\u306b\u4e00\u69d8\u5206\u5e03\u3067\u30e6\u30fc\u30b6\u3092\u914d\u7f6e\u3059\u308b\uff08Users dropped uniformly in entire cell\uff09<\/td><\/tr><tr><td>\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\uff08Service profile\uff09<\/td><td>\u30ce\u30f3\u30fb\u30d5\u30eb\u30d0\u30c3\u30d5\u30a1\u306e\u5c0f\u3055\u306a\u30d1\u30b1\u30c3\u30c8\u3092\u4f7f\u3046\uff08Non-full buffer with small packets\uff09<\/td><\/tr><tr><td>\u57fa\u5730\u5c40\u5074\u306e\u30a2\u30f3\u30c6\u30ca\uff08BS antenna elements\uff09<\/td><td>2\u30dd\u30fc\u30c8\u307e\u305f\u306f4\u30dd\u30fc\u30c8\u306e\u53d7\u4fe1\u30dd\u30fc\u30c8\uff088\u30dd\u30fc\u30c8\u306f\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\uff09<\/td><\/tr><tr><td>\u30e6\u30fc\u30b6\u5074\u30c7\u30d0\u30a4\u30b9\u306e\u30a2\u30f3\u30c6\u30ca\uff08UE antenna elements\uff09<\/td><td>\u9001\u4fe1\u30dd\u30fc\u30c81\u3064<\/td><\/tr><\/tbody><\/table>\n\n\n\n<p>\u203b\u3082\u308d\u3082\u308d\u306e\u6307\u6a19\u3084\u6570\u5f0f\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u308b TR-38.900 \u3092\u8aad\u3080\u3068\u3001UMa\u306eISD\u304c500m, RMa \u306eISD\u304c1732m or 5000m, UMi-street-canyon \u306eISD\u304c200m \u3068\u306a\u3063\u3066\u3044\u308b\u3002RMa\u306e\u8aac\u660e\u306b&#8221;The rural deployment scenario focuses on larger and continuous coverage. The key characteristics of this scenario are continuous wide area coverage supporting high speed vehicles. &#8220;\u3068\u66f8\u304b\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u5c4b\u5916\u30ce\u30fc\u30c9\u306e\u79fb\u52d5\u30b9\u30d4\u30fc\u30c9\u304c100km\/h\u306a\u30891732m\u306e\u5834\u5408\u3082\u691c\u8a3c\u3059\u308b\u3001\u3068\u601d\u308f\u308c\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"head2\">\u8a55\u4fa1\u6307\u6a19\uff08Key Performance Indicators\uff09<\/h3>\n\n\n\n<p>\u91cd\u8981\u306a\u8a55\u4fa1\u6307\u6a19\uff08\u6700\u5927\u5316\u3092\u76ee\u6307\u3059\u6307\u6a19\uff09\u306f\u4e0b\u8a18\u306e2\u3064<\/p>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u8a55\u4fa1\u6307\u6a19<\/th><th>\u8a2d\u5b9a<\/th><th>\u76ee\u6a19\u5024<\/th><\/tr><\/thead><tbody><tr><td>latency<\/td><td>\u6240\u8981\u6700\u5927\u6e1b\u8870\u91cf\uff08Maximum Coupling Loss MaxCL\uff09\u304c164dB\u306e\u72b6\u6cc1\u4e0b\u3067\u6e2c\u5b9a\u3057\u305f\u969b\u306b\u300120\u30d0\u30a4\u30c8\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u306e\u30d1\u30b1\u30c3\u30c8\uff08\u975e\u5727\u7e2eIP\u30d8\u30c3\u30c0\u3092\u542b\u3081\u3066\u7269\u7406\u5c64\u3067105\u30d0\u30a4\u30c8\uff09\u3092\u30a2\u30c3\u30d7\u30ea\u30f3\u30af\u5074\u306b\u9001\u4fe1\u3059\u308b<\/td><td>10\u79d2\u4ee5\u4e0a\u304b\u304b\u3089\u306a\u3044\u3088\u3046\u306b\u3059\u308b<\/td><\/tr><tr><td>UE battery life<\/td><td>\u30e6\u30fc\u30b6\u5074\u30c7\u30d0\u30a4\u30b9\uff08User Equipment\uff09\u306e\u30d0\u30c3\u30c6\u30ea\u30e9\u30a4\u30d5\u306f\u30ea\u30c1\u30e3\u30fc\u30b8\u306a\u3057\u306e\u30e6\u30fc\u30b6\u5074\u30c7\u30d0\u30a4\u30b9\u306e\u30d0\u30c3\u30c6\u30ea\u30e9\u30a4\u30d5\u3067\u8a55\u4fa1\u3067\u304d\u308b\u3002 mMTC\u3067\u306e\u30d0\u30c3\u30c6\u30ea\u30e9\u30a4\u30d5\u306e\u6975\u9650\u30ab\u30d0\u30ec\u30c3\u30b8\u306f\u3001\u84c4\u3048\u3089\u308c\u305f\u30a8\u30cd\u30eb\u30ae\u30fc\u5bb9\u91cf\u30925Wh\u3068\u3057\u3001\u6bce\u65e5 20\u30d0\u30a4\u30c8\u306e\u30c0\u30a6\u30f3\u30ea\u30f3\u30af\u3067\u306e\u8ee2\u9001\u306b\u7d9a\u304f200\u30d0\u30a4\u30c8\u306e\u30a2\u30c3\u30d7\u30ea\u30f3\u30af\u3078\u306e\u8ee2\u9001\u3092164dB\u306eMaxCL\u304b\u3089\u5b9f\u65bd\u3059\u308b\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u57fa\u6e96\u306b\u3059\u308b\u3002<\/td><td>10\u5e74\u4ee5\u4e0a\u300115\u5e74\u304c\u671b\u307e\u3057\u3044\u3002<\/td><\/tr><\/tbody><\/table>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30e2\u30c7\u30eb<\/h3>\n\n\n\n<p>GSMA white paper(3GPP Low Power Wide Area Technologies<br>Mobile IoT = TRUSTED IoT)\u306eANNEX A \u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30e2\u30c7\u30eb\u3092\u5229\u7528\u3059\u308b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>3GPP GERAN<br>TR (3GPP TR 45.820 Cellular System Support for Ultra Low Complexity and Low Throughput Internet of Things)\u306e\u30e2\u30c7\u30eb\u3092\u4f7f\u3046\u3002<\/li><\/ul>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u30e2\u30c7\u30eb<\/th><th>bytes, hours<\/th><th>daily total bytes<\/th><\/tr><\/thead><tbody><tr><td>Model 1<\/td><td>50 bytes, 2 hours<\/td><td>(1200 bytes)<\/td><\/tr><tr><td>Model 2<\/td><td>200 bytes, 2 hours<\/td><td>(4800 bytes)<\/td><\/tr><tr><td>Model 3<\/td><td>50 bytes, 1 day<\/td><td>(50 bytes)<\/td><\/tr><tr><td>Model 4<\/td><td>200 bytes, 1 day<\/td><td>(200 bytes)<\/td><\/tr><\/tbody><\/table>\n\n\n\n<p>p.37 \u306b\u5b9a\u578b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u7d30\u304b\u3044\u30d1\u30bf\u30fc\u30f3\u304c\u66f8\u304b\u308c\u3066\u3044\u308b\u3002<br>\u6700\u521d\u306e\u30a8\u30f3\u30c8\u30ea (consumer &#8211; wearable) \u306f typo \u3042\u308a\uff0810*20 = 200 bytes \u304c\u6b63\u3057\u3044\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">NS3 \u306e\u8a2d\u5b9a\u30e1\u30e2<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>\u4f1d\u642c\u6e1b\u8870\u30e2\u30c7\u30eb\uff08Propagation Loss Model\uff09\u306f&nbsp;<strong>HybridBuildingsPropagationLossModel<\/strong>\u3092\u4f7f\u3048\u3070\u3001\u30d3\u30eb\u306b\u3088\u308b\u6d78\u900f\u6e1b\u8870\uff08O2I penetration\uff09\u3068LOS\/NLOS\u306e\u6e1b\u8870(pathloss)\u3092\u5185\u90e8\u3067\u5408\u6210\u3057\u3066\u304f\u308c\u308b\u3002\uff08<a href=\"http:\/\/code.nsnam.org\/ns-3-dev\/file\/68978885b6fc\/src\/buildings\/model\/hybrid-buildings-propagation-loss-model.cc\">\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/a>\uff09<ul><li>\u5185\u90e8\u3067\u306fItuR1411, ItuR1238, OkumraHata \u3092\u7aef\u672b\u30fb\u57fa\u5730\u5c40\u9593\u306e\u8ddd\u96e2\u3068\u9ad8\u3055\u3068\u4f4d\u7f6e\uff08\u5c4b\u5185\u30fb\u5c4b\u5916\uff09\u304a\u3088\u3073\u5468\u6ce2\u6570\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u6761\u4ef6\u306b\u3057\u3066\u81ea\u52d5\u7684\u306b\u9078\u629e\u3057\u3001\u7247\u65b9\u304c\u5c4b\u5185\u306a\u3089O2I penetration loss \u3092\u5408\u6210\u3057\u3066pathloss\u3092\u7b97\u51fa\u3059\u308b\u3002\uff08<a href=\"https:\/\/www.nsnam.org\/docs\/models\/html\/buildings-design.html#buildingspropagationlossmodel\">NS3\u306eBuildingsPropagationModel\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3078\u306e\u30ea\u30f3\u30af<\/a>\uff09<\/li><li>\u4ed5\u69d8\u306b\u3042\u308b\u300cITU TR-38.900 \u7aef\u672b\u5c40\u304b\u3089\u57fa\u5730\u5c40\u9593\u306e\u96fb\u6ce2\u4f1d\u642c\u7279\u6027\u306f\u3001\u4ee5\u4e0b\u306e\u6587\u732e\u306b\u793a\u3055\u308c\u3066\u3044\u308b\u6e1b\u8870\u30e2\u30c7\u30eb\u306e\u4e00\u3064\u300d\u306f ItuR1411\u306e\u4e2d\u306bTR-38.900 Table 7.4.2-1 \u306e PL_{1}\u306epathloss\u8a08\u7b97\u5f0f\u3092\u542b\u3093\u3067\u3044\u308b\u306e\u3067\u3001\uff08\u306a\u3093\u3068\u304b\uff09\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li><li>\u305f\u3060\u3057\u3001TR-38.900 Table 7.4.2-1 \u306e PL_{1} \u306epathloss \u8a08\u7b97\u5f0f\u304c\u9078\u629e\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u74b0\u5883\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u8a2d\u5b9a\u306b\u4f9d\u5b58\u3059\u308b\u3002<\/li><li>\uff08\u8abf\u67fb\u306e\u7d50\u679c\u3001\u4eca\u56de\u306e\u30b7\u30ca\u30ea\u30aa\u8a2d\u5b9a\u3067\u306f\u3001200m &lt; d &lt; 1000m \u306e\u7bc4\u56f2\u306a\u3089ituR1411NlosOver&#8230;\u3092\u4f7f\u3046\u306e\u3067\u3001PL_{1} \u306epathloss\u8a08\u7b97\u5f0f\uff08Lbf: free space loss\uff09\u3001\u307e\u305f\u306fPL_{1} \u306e\u8a08\u7b97\u5f0f\u306b2\u7a2e\u985e\u306ediffraction\uff08\u56de\u6298\uff09\uff08Lrts \u3068 Lmsd\uff09\u304c\u52a0\u7b97\u3055\u308c\u305f\u3082\u306e\u306b\u306a\u308b\uff08Lrts + Lmsd &gt; 0 \u306a\u3089 Lbf + Lrts + Lmsd \u3092\u8fd4\u3057\u3001\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f Lbf \u3092\u8fd4\u3059\uff09\u3002d &lt; 200m \u306a\u3089 ituR1411Los \u3067\u306e\u8a08\u7b97\u7d50\u679c\u306b\u306a\u308b\u3002\uff09<\/li><li>\uff08Lrts + Lmsd &gt; 0 \u306b\u306a\u308b\u304b\u306a\u3089\u306a\u3044\u304b\u306f\u6761\u4ef6\u5f0f\u304c\u975e\u5e38\u306b\u8907\u96d1\u306a\u306e\u3067\u3001\u3061\u3083\u3093\u3068\u8a08\u7b97\u3057\u306a\u3044\u3068\u308f\u304b\u3089\u306a\u3044\u3002\u4e8b\u8c61\u306e\u8a73\u7d30\u3092\u53c2\u7167\u306e\u3053\u3068\u3002\uff09<\/li><li>\u30d3\u30eb\u306b\u3088\u308b\u6d78\u900f\u6e1b\u8870\u306e\u6e1b\u8870\u5024\u306fNS3\u3067\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u5024\u3068TR 38.900\u3068\u306e\u5024\u306f\u7570\u306a\u308b\u3002<\/li><\/ul><\/li><li>\u30d5\u30a7\u30fc\u30b8\u30f3\u30b0\u306b\u95a2\u3057\u3066\u3001ns3 \u306e LTE model \u3067\u306f\u30c8\u30ec\u30fc\u30b9\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u4f7f\u3063\u3066\u3044\u308b\u3002\uff08<a href=\"https:\/\/www.nsnam.org\/docs\/models\/html\/lte-user.html#fading-trace-usage\">NS3\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\uff09<ul><li>ITU TR-38.900 Section 7.5 \u3067\u66f8\u304b\u308c\u3066\u3044\u308b Fast Fading \u306e\u7b97\u51fa\u30e2\u30c7\u30eb\u3068\u306f\u9055\u3046<\/li><li>UE-eNB\u9593\u8ddd\u96e2\uff08UT-BS\u9593\u8ddd\u96e2\uff09\u306e\u6700\u5c0f\u5024\u306f\u6c34\u5e73\u65b9\u5411\u306b 35m<\/li><\/ul><\/li><li>TR-38.900 (\u304a\u3088\u3073\u3001TR-38.873) \u3067\u306eUMa \u30b7\u30ca\u30ea\u30aa\u306b\u95a2\u3059\u308b\u6355\u6349\u30d1\u30e9\u30e1\u30fc\u30bf\u4e00\u89a7<\/li><\/ul>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u30d1\u30e9\u30e1\u30fc\u30bf<\/th><th>\u610f\u5473<\/th><th>\u30c7\u30d5\u30a9\u30eb\u30c8\u5024<\/th><th>\u53c2\u7167\u5143<\/th><th>ns3<\/th><th>\u5099\u8003<\/th><\/tr><\/thead><tbody><tr><td>\u30bb\u30eb\u30ec\u30a4\u30a2\u30a6\u30c8<\/td><td>\u30de\u30af\u30ed\u30b5\u30a4\u30c8\u306e\u6570\u3068\u30b5\u30a4\u30c8\u3054\u3068\u306e\u30bb\u30af\u30bf\u6570<\/td><td>\u516d\u89d2\u5f62\u30b0\u30ea\u30c3\u30c9\u300119 \u30de\u30af\u30ed\u30b5\u30a4\u30c8\u3001\u30b5\u30a4\u30c8\u3054\u3068\u306b 3 \u30bb\u30af\u30bf (ISD = 500m)<\/td><td>TR-38.900 table 7.2-1 UMa<\/td><td>TBD<\/td><td>\u4eca\u56de\u306f1000m x 1000m \u306e\u67a0\u306b\u306f\u307e\u308b\u90e8\u5206\u306e\u307f<\/td><\/tr><tr><td>h_{BS}<\/td><td>BS(eNB)\u306e\u9ad8\u3055<\/td><td>25m<\/td><td>TR-38.900 table 7.4.1-1<\/td><td>TBD<\/td><td>\u8a2d\u5b9a\u6e08\u307f\uff08\u307f\u3084\u3093\u8ac7\uff09<\/td><\/tr><tr><td>h_{UT}<\/td><td>UT(UE) \u306e\u9ad8\u3055\u30021.5m + 3(N-1)m \uff08N:\u306f\u30d5\u30ed\u30a2\u6570\u3067 4 =&lt; N &lt;= 8\uff09\u3067\u8a08\u7b97<\/td><td>1.5m<\/td><td>TR-38.900 table 7.4.1-1<\/td><td>TBD<\/td><td>\u8a2d\u5b9a\u6e08\u307f\uff08\u307f\u3084\u3093\u8ac7\uff09<\/td><\/tr><tr><td>\u30a2\u30f3\u30c6\u30ca\u30e2\u30c7\u30eb<\/td><td>BS(eNB)\u306e\u30a2\u30f3\u30c6\u30ca\u30e2\u30c7\u30eb<\/td><td>uniform rectangular panel array<\/td><td>TR-38.900 section 7.3<\/td><td>\u672a\u5b9f\u88c5<\/td><td>\u203b<\/td><\/tr><tr><td>A_{E,V}(\u0398^n)<\/td><td>\u30a2\u30f3\u30c6\u30ca\u306e\u5782\u76f4\u65b9\u5411\u306e radiation pattern<\/td><td>30dB<\/td><td>TR-38.900 table 7.3-1<\/td><td>\u672a\u5b9f\u88c5<\/td><td>\u203b<\/td><\/tr><tr><td>A_{E,H}(\u03c6^n)<\/td><td>\u30a2\u30f3\u30c6\u30ca\u306e\u6c34\u5e73\u65b9\u5411\u306e radiation pattern<\/td><td>30dB<\/td><td>TR-38.900 table 7.3-1<\/td><td>\u672a\u5b9f\u88c5<\/td><td>\u203b<\/td><\/tr><tr><td>G_{E,max}<\/td><td>\u30a2\u30f3\u30c6\u30ca\u306eMaximum directional Gain<\/td><td>8dBi<\/td><td>TR-38.900 table 7.3-1<\/td><td>\u672a\u5b9f\u88c5<\/td><td>\u203b<\/td><\/tr><\/tbody><\/table>\n\n\n\n<p>\u203b AntennaModel \u3067\u306f virtual double GetGainDb (Angles a) = 0; Parabolic&#8230;, Cosine&#8230;, \u3067\u306f\u305d\u308c\u305e\u308c\u306e\u30a2\u30f3\u30c6\u30ca\u306e\u4ed5\u69d8\u306b\u5408\u308f\u305b\u305f\u8a08\u7b97\u5f0f\u304c\u5b9a\u7fa9\u3057\u3066\u3042\u308b\u3002Isotropic&#8230; \u306f 0.0 \u3092\u8fd4\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u30c8\u30dd\u30ed\u30b8\u306f 1000m x 1000m \u306e\u67a0\u3067\u8abf\u6574<\/li><li>\u73fe\u72b6 WxLxH = 1000m x 1000m x 3m \u306e\u5927\u304d\u306a\u30d3\u30eb\u3092\u4f5c\u3063\u3066\u3001\u305d\u306e\u4e2d\u3067UE\u3092SetOutdoor \u304b SetIndoor \u3067\u8a08\u7b97\u3059\u308bpathloss\u3092\u6c7a\u3081\u3066\u3044\u308b\u3002<\/li><li>400\u4e07\u30ce\u30fc\u30c9\/km^2 \u3092\u6e80\u305f\u3059\u3053\u3068\u3092\u512a\u5148\u3057\u305f\u306e\u3067\u3001simplify \u3057\u305f\u3002<br><\/li><li>\u4e0a\u8a18\u306eTR-25.816 Fig.21\u306e\u3088\u3046\u306a\u3001\u307e\u3058\u3081\u306aUrban Macro \u74b0\u5883\u3092\u4f5c\u6210\u3059\u308b\u306e\u306f\u76f8\u5f53\u6570\u306e\u5de5\u6570\u304c\u5fc5\u8981\u3002<br><\/li><li>\u4e0b\u56f3\u306f\u30c8\u30dd\u30ed\u30b8\u306b\u30de\u30af\u30ed\u30b5\u30a4\u30c8\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u3064\u3051\u305f\u56f3\u3002<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/ns3-lte-topology-20171129.png\" alt=\"\" class=\"wp-image-487\" srcset=\"https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/ns3-lte-topology-20171129.png 1280w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/ns3-lte-topology-20171129-300x169.png 300w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/ns3-lte-topology-20171129-1024x576.png 1024w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/ns3-lte-topology-20171129-360x203.png 360w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">NS3\u306e\u5b9f\u88c5\u306e\u7d30\u304b\u3044\u90e8\u5206\u8abf\u67fb\u7d50\u679c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">TR 38.900 \u3068 NS3 \u306e\u5dee\u7570\u307e\u3068\u3081<\/h3>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u30e2\u30c7\u30eb<\/th><th>TR 38.900<\/th><th>NS3<\/th><th>TR 38.900\u306e\u30bb\u30af\u30b7\u30e7\u30f3<\/th><th>\u5099\u8003<\/th><\/tr><\/thead><tbody><tr><td>6GHz\u4ee5\u4e0a\u306e\u30c1\u30e3\u30cd\u30eb\u30e2\u30c7\u30eb<\/td><td>\u5404\u7a2e\u30e2\u30c7\u30eb\u306e\u5f0f\u304c\u5b9a\u7fa9<\/td><td>\u672a\u8abf\u67fb<\/td><td>7.1<\/td><td> <\/td><\/tr><tr><td>\u30b7\u30ca\u30ea\u30aa<\/td><td>UMi-street-canyon + UMa, Indoor-office, RMa, UMi-open square \u304c\u5b9a\u7fa9<\/td><td>\u30b7\u30ca\u30ea\u30aa\u306e\u5404\u7a2e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a2d\u5b9a\u3059\u308b<\/td><td>7.2<\/td><td>mMTC \u306f UMa only<\/td><\/tr><tr><td>Antenna<\/td><td>a uniform rectangular panel array\u3068radiation \u30d1\u30bf\u30fc\u30f3\u304c\u5b9a\u7fa9<\/td><td>NS3\u3067\u306f\u8868\u73fe\u4e0d\u53ef\uff08\u307f\u3084\u3093\u8abf\u3079\uff09<\/td><td>7.3<\/td><td><a href=\"https:\/\/www.nsnam.org\/docs\/models\/singlehtml\/index.html#document-antenna\">ns3\u306eantenna model<\/a><\/td><\/tr><tr><td>LOS\/NLOS propagation loss<\/td><td>LOS\u306fbreak point\u3067\u5f0f\u304c\u5909\u308f\u308b\u3002\uff0810m\u4ee5\u4e0abreak point\u4ee5\u4e0b\u306a\u3089PL_{1}\u3092\u3001break point\u4ee5\u4e0a5km\u4ee5\u4e0b\u306fPL_{2}\u3092\u4f7f\u3046\uff09<br>NLOS\u306fPL_{UMa-LOS}\u3068PL&#8217;_{UMa-NLOS}\u3092\u6bd4\u3079\u3066\u5927\u304d\u3044\u307b\u3046\u3092\u4f7f\u3046<\/td><td>ItuR1411NlosOver&#8230; \u304cUMa\u306ePL_{1} \u3068\u540c\u3058\u5f0f\uff08Lbf\u306b\u683c\u7d0d\uff09\u3092\u5185\u5305\u3057\u3066\u3044\u308b\uff08Lrts + Lmsd &gt; 0 \u306a\u3089 loss = Lbf + Lrts + Lmsd\u3001\u305d\u308c\u4ee5\u5916\u306f loss = Lbf\uff09<\/td><td>7.4.1<\/td><td><a href=\"http:\/\/code.nsnam.org\/ns-3-dev\/file\/68978885b6fc\/src\/buildings\/model\/hybrid-buildings-propagation-loss-model.cc\">\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/a>\u3068<a href=\"https:\/\/www.nsnam.org\/docs\/models\/html\/buildings-design.html#buildingspropagationlossmodel\">\u30e2\u30c7\u30eb\u306e\u8aac\u660e\u6587<\/a>\u3092\u8aad\u3093\u3060\u611f\u3058\u3060\u3068\u3001HybridBuildings&#8230;\u3092\u4f7f\u3063\u3066mMTC\u306e\u30b7\u30ca\u30ea\u30aa\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001ItuR1411Nlos&#8230;\u3092\u9078\u629e\u3057\u3066loss = Lbf\u3000\u3092\u8fd4\u3059\u3068\u601d\u308f\u308c\u308b\u3002\uff08\u30c6\u30b9\u30c8\u306e\u969b\u306b\u8981\u78ba\u8a8d\u3002\u6761\u4ef6\u3092\u5225\u9014\u307e\u3068\u3081\u3066\u304a\u304f\u3053\u3068\u3002\uff09<\/td><\/tr><tr><td>shadow fading<\/td><td>table 7.4.1-1 \u306b shadow fading std \u03c3_{SF}\u304c\u5b9a\u7fa9 \uff08UMa LOS\u306e\u5834\u5408\uff1a\u03c3_{SF}=4, UMa NLOS\u306e\u5834\u5408\uff1a\u03c3_{SF}=6\uff09<\/td><td>double BuildingsPropagationLossModel::GetShadowing ()\u3067\u03c3_{SF} \u76f8\u5f53\u306e\u5024\u3092\u8a08\u7b97<\/td><td>7.4<\/td><td><a href=\"https:\/\/www.nsnam.org\/docs\/release\/3.14\/models\/html\/buildings-design.html#shadowing-model\">NS3\u3067\u306e\u89e3\u8aac<\/a><\/td><\/tr><tr><td>LOS probability<\/td><td>\u8a08\u7b97\u5f0f<\/td><td>\u4e0d\u660e\uff08\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30ca\u30ea\u30aa\u3067\u306emobility\u30ce\u30fc\u30c9\u306e\u4f4d\u7f6e\u6b21\u7b2c\uff1f\uff09<\/td><td>7.4.2<\/td><td><\/td><\/tr><tr><td>O2I buldings penetration loss<\/td><td>\u8a08\u7b97\u5f0f<\/td><td>\u56fa\u5b9a\u5024<\/td><td>7.4.3<\/td><td>HybridBuildings&#8230; \u3092\u4f7f\u3046\u3068\u6d78\u900f\u6e1b\u8870\u3068LOS\/NLOS\u306e\u4f1d\u642c\u6e1b\u8870\u3092\u5408\u7b97\u3057\u3066pathloss\u3092\u8a08\u7b97\u3057\u3066\u304f\u308c\u308b<\/td><\/tr><tr><td>Autocorrelation of shadow fading<\/td><td>R(\u0394x)\u306e\u5f0f\u304c\u5b9a\u7fa9<\/td><td>\u4e0d\u660e<\/td><td>7.4.4<\/td><td>src\/propagation\/examples \u306bJakes Propagation Model\u306e\u5834\u5408\u306eautocorrelation \u306e\u30c7\u30fc\u30bf\u3092\u30d7\u30ed\u30c3\u30c8\u3059\u308b R \u30b3\u30de\u30f3\u30c9\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u306e\u3067 NS3\u306e\u3069\u3053\u304b\u306b\u5185\u5305\u3055\u308c\u3066\u3044\u308b\uff1f<a href=\"http:\/\/code.nsnam.org\/ns-3-dev\/file\/68978885b6fc\/src\/propagation\/examples\/jakes-propagation-model-example.cc\">R\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u8f09\u3063\u3066\u3044\u308bJakes Propagation \u306eexample code<\/a><\/td><\/tr><tr><td>Fast fading<\/td><td>\u5c0e\u51fa\u3059\u308b\u305f\u3081\u306e\u624b\u9806\u3068\u8a08\u7b97\u5f0f\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u8f09\u3063\u3066\u3044\u308b<\/td><td>LTE\u30af\u30e9\u30b9\u3067 trace dataset \u3092\u4f7f\u3046<\/td><td>7.5<\/td><td><a href=\"https:\/\/www.nsnam.org\/docs\/release\/3.14\/models\/html\/lte-design.html#fading-model\">LTE\u30af\u30e9\u30b9\u3067\u306eFading model\u306e\u30c7\u30b6\u30a4\u30f3\u89e3\u8aac<\/a>\u3068<a href=\"https:\/\/www.nsnam.org\/docs\/release\/3.14\/models\/html\/lte-user.html#fading-trace-usage\">LTE\u30af\u30e9\u30b9\u3067\u306etrace dataset\u306e\u4f7f\u3044\u65b9\u89e3\u8aac<\/a><\/td><\/tr><tr><td>\u305d\u306e\u4ed6\u306e\u8ffd\u52a0\u30e2\u30c7\u30eb<\/td><td>7\u7a2e\u985e\u306e\u30e2\u30c7\u30eb\u304c\u5b9a\u7fa9<\/td><td>\u672a\u8abf\u67fb<\/td><td>7.6<\/td><td><\/td><\/tr><tr><td>\u30ea\u30f3\u30af\u30ec\u30d9\u30eb\u8a55\u4fa1\u306e\u305f\u3081\u306e\u30c1\u30e3\u30cd\u30eb\u30e2\u30c7\u30eb<\/td><td>7\u7a2e\u985e\u306e\u30e2\u30c7\u30eb\u304c\u5b9a\u7fa9<\/td><td>\u672a\u8abf\u67fb<\/td><td>7.7<\/td><td><\/td><\/tr><tr><td>\u30c1\u30e3\u30cd\u30eb\u30ad\u30e3\u30ea\u30d6\u30ec\u30fc\u30b7\u30e7\u30f3<\/td><td>large scale calibration, full calibration, calibration of additional features \u304c\u5b9a\u7fa9<\/td><td>\u672a\u8abf\u67fb<\/td><td>7.7<\/td><td><\/td><\/tr><tr><td>Map-based hybrid channel model<\/td><td>\u30c1\u30e3\u30cd\u30eb\u751f\u6210\u306e\u3068\u3053\u308d\u304c\u5909\u308f\u308b<\/td><td>\u672a\u8abf\u67fb<\/td><td>8<\/td><td>METIS \u304c\u5927\u5143\u3092\u4f5c\u6210<\/td><\/tr><\/tbody><\/table>\n\n\n\n<h3 class=\"wp-block-heading\">HybridBuildings&#8230; \u306epropagation model \u306e\u5207\u308a\u66ff\u3048\u6761\u4ef6<\/h3>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>a (tx)<\/th><th>b (rx)<\/th><th>a &#8211; b \u306e\u8ddd\u96e2 d<\/th><th>a \u306e\u9ad8\u3055 a.z, b \u306e\u9ad8\u3055 b.z<\/th><th>loss \u30e2\u30c7\u30eb<\/th><th>NS_LOG_INFO\u4e0a\u306e\u30e9\u30d9\u30eb<\/th><\/tr><\/thead><tbody><tr><td>outdoor<\/td><td>outdoor<\/td><td>d &gt; 1000m<\/td><td>a.z &lt; rooftop &amp;&amp; b.z &lt; rooftop<\/td><td>ituR1411NlosOverRooftop<\/td><td>below rooftop<\/td><\/tr><tr><td>outdoor<\/td><td>outdoor<\/td><td>d &gt; 1000m<\/td><td>\u4e0a\u8a18\u4ee5\u5916\u306e\u5834\u5408<\/td><td>OH<\/td><td>above rooftop<\/td><\/tr><tr><td>outdoor<\/td><td>outdoor<\/td><td>200m =&lt; d &lt;= 1000m<\/td><td>any<\/td><td>ituR1411NlosOverRooftop<\/td><td>street canyon<\/td><\/tr><tr><td>outdoor<\/td><td>outdoor<\/td><td>d &lt; 200m<\/td><td>any<\/td><td>ituR1411Los<\/td><td>street canyon<\/td><\/tr><tr><td>outdoor<\/td><td>indoor<\/td><td>d &gt; 1000m<\/td><td>a.z &lt; rooftop &amp;&amp; b.z &lt; rooftop<\/td><td>ituR1411NlosOverRooftop<\/td><td>below rooftop<\/td><\/tr><tr><td>outdoor<\/td><td>indoor<\/td><td>d &gt; 1000m<\/td><td>\u4e0a\u8a18\u4ee5\u5916<\/td><td>OH + EWL + HG<\/td><td>above rooftop<\/td><\/tr><tr><td>outdoor<\/td><td>indoor<\/td><td>200m &lt; d &lt; 1000m<\/td><td>any<\/td><td>ituR1411NlosOverRooftop + EWL + HG<\/td><td>ITU1411 + BEL<\/td><\/tr><tr><td>outdoor<\/td><td>indoor<\/td><td>d &lt; 200m<\/td><td>any<\/td><td>ituR1411Los + EWL + HG<\/td><td>ITU1411 + BEL<\/td><\/tr><tr><td>indoor<\/td><td>indoor<\/td><td>\u540c\u3058\u30d3\u30eb<\/td><td>any<\/td><td>ITUR1238 + IWL<\/td><td>same building<\/td><\/tr><tr><td>indoor<\/td><td>indoor<\/td><td>\u9055\u3046\u30d3\u30eb<\/td><td>any<\/td><td>ITUR1238 + 2*EWL<\/td><td>different building<\/td><\/tr><tr><td>indoor<\/td><td>outdoor<\/td><td>d &gt; 1000m<\/td><td>a.z &lt; rooftop &amp;&amp; b.z &lt; rooftop<\/td><td>ituR1411NlosOverRooftop + EWL + HG<\/td><td>down rooftop<\/td><\/tr><tr><td>indoor<\/td><td>outdoor<\/td><td>d &gt; 1000m<\/td><td>\u4e0a\u8a18\u4ee5\u5916<\/td><td>OH + EWL + HG<\/td><td>over rooftop<\/td><\/tr><tr><td>indoor<\/td><td>outdoor<\/td><td>200m =&lt; d &lt;= 1000m<\/td><td>any<\/td><td>ituR1411NlosOverRooftop<\/td><td>ITUR1411 + EWL<\/td><\/tr><tr><td>indoor<\/td><td>outdoor<\/td><td>d &lt; 200m<\/td><td>any<\/td><td>ituR1411Los + EWL<\/td><td>ITUR1411 + BEL + HG<\/td><\/tr><\/tbody><\/table>\n\n\n\n<ul class=\"wp-block-list\"><li>BEL = EWL = ExternalWallLoss()<br><\/li><li>IWL = InternalWallLoss()<br><\/li><li>HG = Height Gain (model) = HeightLoss()<br>OH = OkumuraHata : frequency &lt;= 2.3e9 \u306a\u3089OkumuraHata, \u305d\u308c\u4ee5\u5916\u306f kun2600Mhz \u3092\u5185\u90e8\u3067\u9078\u629e\u3059\u308b\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"head9\">ituR1411NlosOverRooftop&#8230; \u306eLoss\u306e\u5207\u308a\u66ff\u3048\u6761\u4ef6<\/h3>\n\n\n\n<p>\u4e3b\u306a\u5909\u6570\u306f\u4e0b\u8a18\u306e3\u3064<\/p>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u5909\u6570<\/th><th>\u540d\u79f0<\/th><th>\u5099\u8003<\/th><\/tr><\/thead><tbody><tr><td>Lbf<\/td><td>free space loss<\/td><td>TR 38.900 p.25, table 7.4.1-1 UMa LOS \u306e PL_{1}\u306e\u5f0f\u3068\u540c\u3058\u3082\u306e<\/td><\/tr><tr><td>Lrts<\/td><td>the diffraction loss from rooftop to street<\/td><td>\u203b<\/td><\/tr><tr><td>Lmsd<\/td><td>the reduction due to multiple screen diffraction past rows of building<\/td><td>\u203b<\/td><\/tr><\/tbody><\/table>\n\n\n\n<ul class=\"wp-block-list\"><li>Lrts + Lmsd &lt;= 0 \u306a\u3089\u3000Lbf \u3060\u3051\u3092 pathloss\u306e\u5024\u3068\u3057\u3066\u8fd4\u3059\u3002<\/li><li>Lrts + Lmsd > 0 \u306a\u3089 Lbf + Lrts + Lmsd \u3092 pathloss \u306e\u5024\u3068\u3057\u3066\u8fd4\u3059\u3002<br><br><\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Lbf\u306e\u8a08\u7b97<\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>free space path loss\uff08\u81ea\u7531\u7a7a\u9593\u4f1d\u756a\u640d\u5931\uff09<br><\/li><li>Lbf = 32.4 &#8211; 20log(d\/1000) + 20log(f)<\/li><li>d : distance [m], f: frequency [MHz]<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Lrts \u306e\u8a08\u7b97<\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>the diffraction loss from rooftop to street\uff08\u5c4b\u6839\u304b\u3089\u9053\u8def\u307e\u3067\u306e\u56de\u6298\u640d\u5931\uff09<br><\/li><li>Lrts \u306fUT\u3068\u5c4b\u6839\u306e\u9ad8\u3055\u306e\u5dee \u0394hm\u3001\u9053\u5e45 w \u3068street orientation (\u89d2\u5ea6\u03c6) \u306b\u3088\u308b\u6e1b\u8870Lori \u304b\u3089\u306a\u308b\u8a08\u7b97\u5f0f -8.2 &#8211; 10log(w) + 10log(\u0394hm) + Lori \u306b\u3088\u308a\u8868\u73fe<\/li><li>Lori \u306e\u5024\u306f\u89d2\u5ea6\u03c6\u306b\u3088\u308a\u5909\u5316\u3059\u308b\u3002<\/li><\/ul>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u03c6 \u306e\u89d2\u5ea6<\/th><th>Lrts<\/th><th>Lori<\/th><\/tr><\/thead><tbody><tr><td>0\u00b0 =&lt; \u03c6 &lt; 35\u00b0<\/td><td>-8.2 &#8211; 10log(w) + 10log(\u0394hm) + Lori<\/td><td>-10 + 0.354\u03c6<\/td><\/tr><tr><td>35\u00b0 =&lt; \u03c6 &lt; 55\u00b0<\/td><td>-8.2 &#8211; 10log(w) + 10log(\u0394hm) + Lori<\/td><td>2.5 + 0.075(\u03c6 &#8211; 35)<\/td><\/tr><tr><td>55\u00b0 =&lt; \u03c6 &lt; 90\u00b0<\/td><td>-8.2 &#8211; 10log(w) + 10log(\u0394hm) + Lori<\/td><td>4.0 &#8211; 0.114(\u03c6 &#8211; 55)<\/td><\/tr><\/tbody><\/table>\n\n\n\n<h4 class=\"wp-block-heading\">Lmsd\u306e\u8a08\u7b97<\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>the reduction due to multiple screen diffraction past rows of building\uff08\u9593\u306b\u3042\u3063\u305f\u5efa\u7269\u306e\u5217\u3092\u901a\u904e\u3057\u305f\u969b\u306b\u767a\u751f\u3057\u305f\u30de\u30eb\u30c1\u30b9\u30af\u30ea\u30fc\u30f3\u56de\u6298\u640d\u5931\u306b\u3088\u308b\u6e1b\u8870\uff09<br><\/li><li>settled field distance: d_{s} = (\u03bb_{d})^{2} \/ (h_{BS} &#8211; h_{UT})^{2}<br><\/li><li>distance over which the building extend : l<br><\/li><li>height of the rooftop : h_{r}<br><\/li><li>height of the base station antenna : h_{BS}<br><\/li><li>height of the UT antenna : h_{UT}<br><\/li><li>\u0394hb = h_{BS} &#8211; h_{UT}<br><\/li><li>b : m_buildingSeparation<\/li><\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">l > d_{s} \u306e\u5834\u5408<\/h5>\n\n\n\n<ul class=\"wp-block-list\"><li>Lmsd = Lbsh + ka + kd * log(d\/1000) + kf * log(f) &#8211; 9log(b) \u3067\u8a08\u7b97\u3059\u308b\u3002<\/li><li>Lbsh \u306f\u4e0a\u8a18\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u6761\u4ef6\u306b\u3088\u308a\u5909\u5316\u3059\u308b\u3002<\/li><\/ul>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>h_{BS}, h_{r}<\/th><th>f<\/th><th>d<\/th><th>ka<\/th><th>kd<\/th><th>kf<\/th><th>Lbsh<\/th><th>Lmsd<\/th><th>\u5099\u8003<\/th><\/tr><\/thead><tbody><tr><td>h_{BS} &gt; h_{r}<\/td><td>f &gt; 2000 MHz<\/td><td><\/td><td>71.4<\/td><td>18<\/td><td>-8<\/td><td>-18log(\u0394hb)<\/td><td>-18log(h_{BS} &#8211; h_{UT}) + 71.4 + 18log(d\/1000) -8log(f) &#8211; 9log(b)<\/td><td><\/td><\/tr><tr><td>h_{BS} &gt; h_{r}<\/td><td>f &lt;= 2000 MHz<\/td><td><\/td><td>54<\/td><td>18<\/td><td>-4 + 0.7(f\/925 &#8211; 1)<\/td><td>-18log(\u0394hb)<\/td><td>-18log(h_{BS} &#8211; h_{UT}) + 71.4 + 18log(d\/1000) -8log(f) &#8211; 9log(b)<\/td><td>medium city \u4ee5\u4e0b\u306e\u30b5\u30a4\u30ba<\/td><\/tr><tr><td>h_{BS} &gt; h_{r}<\/td><td>f &lt;= 2000 MHz<\/td><td><\/td><td>54<\/td><td>18<\/td><td>-4 + 1.5(f\/925 &#8211; 1)<\/td><td>-18log(\u0394hb)<\/td><td>-18log(h_{BS} &#8211; h_{UT}) + 71.4 + 18log(d\/1000) -8log(f) &#8211; 9log(b)<\/td><td>large city \u30b5\u30a4\u30ba (metropolitan centres)<\/td><\/tr><tr><td>h_{BS} &lt;= h_{r}<\/td><td>f &gt; 2000 MHz<\/td><td>d &gt;= 500m<\/td><td>54 &#8211; 0.8\u0394hb<\/td><td>18 &#8211; 15(\u0394hb\/h_{r})<\/td><td>-8<\/td><td>0<\/td><td>0 + 54 &#8211; 0.8\u0394hb + (18 &#8211; 15(\u0394hb\/h_{r}))*log(d\/1000) &#8211; 8log(f) &#8211; 9log(b)<\/td><td><\/td><\/tr><tr><td>h_{BS} &lt;= h_{r}<\/td><td>f &lt;= 2000 MHz<\/td><td>d &gt;= 500m<\/td><td>54 &#8211; 0.8\u0394hb<\/td><td>18 &#8211; 15(\u0394hb\/h_{r})<\/td><td>-4 + 0.7(f\/925 &#8211; 1)<\/td><td>0<\/td><td>0 + 54 &#8211; 0.8\u0394hb + (18 &#8211; 15(\u0394hb\/h_{r}))*log(d\/1000) + (-4 + 0.7(f\/925 &#8211; 1))log(f) &#8211; 9log(b)<\/td><td>medium city \u30b5\u30a4\u30ba\u4ee5\u4e0b<\/td><\/tr><tr><td>h_{BS} &lt;= h_{r}<\/td><td>f &lt;= 2000 MHz<\/td><td>d &gt;= 500m<\/td><td>54 &#8211; 0.8\u0394hb<\/td><td>18 &#8211; 15(\u0394hb\/h_{r})<\/td><td>-4 + 1.5(f\/925 &#8211; 1)<\/td><td>0<\/td><td>0 + 54 &#8211; 0.8\u0394hb + (18 &#8211; 15(\u0394hb\/h_{r}))*log(d\/1000) + (-4 + 1.5(f\/925 &#8211; 1))log(f) &#8211; 9log(b)<\/td><td>large city \u30b5\u30a4\u30ba<\/td><\/tr><tr><td>h_{BS} &lt;= h_{r}<\/td><td>f &gt; 2000 MHz<\/td><td>d &lt; 500m<\/td><td>54 &#8211; 1.6\u0394hb<\/td><td>18 &#8211; 15(\u0394hb\/h_{r})<\/td><td>-8<\/td><td>0<\/td><td>0 + 54 &#8211; 1.6\u0394hb + (18 &#8211; 15(\u0394hb\/h_{r}))*log(d\/1000) &#8211; 8log(f) &#8211; 9log(b)<\/td><td><\/td><\/tr><tr><td>h_{BS} &lt;= h_{r}<\/td><td>f &lt;= 2000 MHz<\/td><td>d &lt; 500m<\/td><td>54 &#8211; 0.8\u0394hb<\/td><td>18 &#8211; 15(\u0394hb\/h_{r})<\/td><td>-4 + 0.7(f\/925 &#8211; 1)<\/td><td>0<\/td><td>0 + 54 &#8211; 1.6\u0394hb + (18 &#8211; 15(\u0394hb\/h_{r}))*log(d\/1000) + (-4 + 0.7(f\/925 &#8211; 1))log(f) &#8211; 9log(b)<\/td><td>medium city \u30b5\u30a4\u30ba\u4ee5\u4e0b<\/td><\/tr><tr><td>h_{BS} &lt;= h_{r}<\/td><td>f &lt;= 2000 MHz<\/td><td>d &lt; 500m<\/td><td>54 &#8211; 1.6\u0394hb<\/td><td>18 &#8211; 15(\u0394hb\/h_{r})<\/td><td>-4 + 1.5(f\/925 &#8211; 1)<\/td><td>0<\/td><td>0 + 54 &#8211; 1.6\u0394hb + (18 &#8211; 15(\u0394hb\/h_{r}))*log(d\/1000) + (-4 + 1.5(f\/925 &#8211; 1))log(f) &#8211; 9log(b)<\/td><td>large city \u30b5\u30a4\u30ba<\/td><\/tr><\/tbody><\/table>\n\n\n\n<h5 class=\"wp-block-heading\">l &lt; d_{s} \u306e\u5834\u5408<\/h5>\n\n\n\n<ul class=\"wp-block-list\"><li>Lmsd = -10log( (Qm)^{2} )<\/li><li>\u0398 = arctan((h_{BS} &#8211; h_{r})\/b)<br><\/li><li>\u03c1 = sqrt((h_{BS} &#8211; h_{r})^2 + b^2)<\/li><\/ul>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>h_{BS}, h_{r}<\/th><th>Qm<\/th><\/tr><\/thead><tbody><tr><td>h_{BS} &gt; h_{r}<\/td><td>Qm = 2.35 * ( ((h_{BS} &#8211; h_{r})\/d) * sqrt(b\/\u03bb) )^0.9<\/td><\/tr><tr><td>h_{BS} == h_{r}<\/td><td>Qm = b\/d<\/td><\/tr><tr><td>h_{BS} &lt; h_{r}<\/td><td>Qm = (b\/2\u03c0d) * sqrt(\u03bb\/\u03c1) * ( (1\/\u0398) &#8211; ( 1\/(2\u03c0 + \u0398) ) )<\/td><\/tr><\/tbody><\/table>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30ca\u30ea\u30aa<\/h2>\n\n\n\n<p>3GPP TR 38.900 Section 7.2 \u306e\u30b7\u30ca\u30ea\u30aa\u304b\u3089\u629c\u7c8b<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">UMi-street canyon and UMa<\/h3>\n\n\n\n<p>Urban Macro (UMa) \u3068 \u30b9\u30c8\u30ea\u30fc\u30c8\u30ad\u30e3\u30cb\u30aa\u30f3\uff08\u30d3\u30eb\u8857\uff09\u306e\u5834\u5408\u306eUMi\uff08Urban Micro\uff09\u306e\u30b7\u30ca\u30ea\u30aa\u8a2d\u5b9a\u304cTR-38.900\u306ep.20\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b7\u30ca\u30ea\u30aa\u8a2d\u5b9a\u3068\u57fa\u672c\u30d1\u30e9\u30e1\u30fc\u30bf<\/h4>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u30d1\u30e9\u30e1\u30fc\u30bf<\/th><th>UMi &#8211; \u30b9\u30c8\u30ea\u30fc\u30c8\u30ad\u30e3\u30cb\u30aa\u30f3<\/th><th>UMa<\/th><\/tr><\/thead><tbody><tr><td><strong>\u30bb\u30eb\u306e\u30ec\u30a4\u30a2\u30a6\u30c8<\/strong><\/td><td>\u516d\u89d2\u5f62\u30b0\u30ea\u30c3\u30c9 19\u30de\u30a4\u30af\u30ed\u30b5\u30a4\u30c8\u3001\u30b5\u30a4\u30c8\u3054\u3068\u306b3\u30bb\u30af\u30bf\u30fc\uff08ISD=200m\uff09\u203b ISD: \u30b5\u30a4\u30c8\u9593\u8ddd\u96e2<\/td><td>\u516d\u89d2\u5f62\u30b0\u30ea\u30c3\u30c9 19\u30de\u30af\u30ed\u30b5\u30a4\u30c8\u3001\u30b5\u30a4\u30c8\u3054\u3068\u306b3\u30bb\u30af\u30bf\u30fc\uff08ISD=500m\uff09<\/td><\/tr><tr><td><strong>BS\u30a2\u30f3\u30c6\u30ca\u306e\u9ad8\u3055\uff08h_{BS}\uff09<\/strong><\/td><td>10m<\/td><td>25m<\/td><\/tr><tr><td><strong>UT\u306e\u4f4d\u7f6e\uff08Outdoor\/Indoor\uff09<\/strong><\/td><td>\u5c4b\u5916\u3068\u5c4b\u5185\u306e\u4e21\u65b9<\/td><td>\u5c4b\u5916\u3068\u5c4b\u5185\u3068\u306e\u4e21\u65b9<\/td><\/tr><tr><td><strong>UT\u306e\u4f4d\u7f6e\uff08LOS\/NLOS\uff09<\/strong><\/td><td>LOS \u3068 NLOS \u4e21\u65b9<\/td><td>LOS \u3068 NLOS \u4e21\u65b9<\/td><\/tr><tr><td><strong>UT\u306e\u4f4d\u7f6e\uff08\u9ad8\u3055 h_{UT}\uff09<\/strong><\/td><td>TR36.873\u3067\u306e3D-UMi\u3068\u540c\u3058<\/td><td>TR36.873\u3067\u306e3D-UMa \u3068\u540c\u3058<\/td><\/tr><tr><td><strong>Indoor UT ratio<\/strong><\/td><td>80%<\/td><td>80%<\/td><\/tr><tr><td><strong>UT\u306e\u79fb\u52d5\uff08\u6c34\u5e73\u65b9\u5411\u306e\u307f\uff09<\/strong><\/td><td>3 km\/h<\/td><td>3 km\/h<\/td><\/tr><tr><td><strong>BS &#8211; UT \u9593\u306e\u8ddd\u96e2\u306e\u6700\u5c0f\u5024\uff08\u6c34\u5e73\u65b9\u5411\uff09<\/strong><\/td><td>10m<\/td><td>35m<\/td><\/tr><tr><td><strong>UT\u306e\u5206\u5e03\uff08\u6c34\u5e73\u65b9\u5411\uff09<\/strong><\/td><td>Uniform\uff08\u4e00\u69d8\u5206\u5e03\uff09<\/td><td>Uniform\uff08\u4e00\u69d8\u5206\u5e03\uff09<\/td><\/tr><\/tbody><\/table>\n\n\n\n<p>\u203b BS:\u57fa\u5730\u5c40<br>\u203b UT:\u30e6\u30fc\u30b6\u30bf\u30fc\u30df\u30ca\u30eb<br><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>TR36.873\uff08<a href=\"https:\/\/portal.3gpp.org\/desktopmodules\/Specifications\/SpecificationDetails.aspx?specificationId=2574\">ITU\u30da\u30fc\u30b8\u306e\u30ea\u30f3\u30af<\/a>\uff09\u306b\u66f8\u304b\u308c\u3066\u3044\u308b3D-UMi, 3D-UMa \u306e\u9ad8\u3055\u8a2d\u5b9a\u306e\u5b9a\u7fa9\u306f\u3001\u8981\u7d04\u3059\u308b\u3068\u4e0b\u8a18\u306e\u901a\u308a<ul><li>3 m \uff08WxLxH=120x50x3 (m) \u306e\u30d5\u30ed\u30a2\u306e\u9ad8\u3055\uff09 x \uff08\u968e\u6570 &#8211; 1 \uff09 + 1.5 m (\u30d5\u30ed\u30a2\u306e\u5e8a\u304b\u3089\u306e\u57fa\u5730\u5c40\u306e\u9ad8\u3055<\/li><\/ul><\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\uff08\u88dc\u8db3\uff09TR 36.873 \u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u5404\u30b7\u30ca\u30ea\u30aa\u540d\u3067\u306e\u57fa\u5730\u5c40\u306e\u4f4d\u7f6e\u306e\u9055\u3044<\/h4>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u30b7\u30ca\u30ea\u30aa\u540d\uff08\u7565\u79f0\uff09<\/th><th>\u30b7\u30ca\u30ea\u30aa\u540d<\/th><th>\u57fa\u5730\u5c40\u306e\u4f4d\u7f6e<\/th><\/tr><\/thead><tbody><tr><td>3D-UMi<\/td><td>Urban Micro cell with high (outdoor\/indoor) UE density<\/td><td>\u5468\u308a\u306e\u30d3\u30eb\u3088\u308a\u3082\u4f4e\u3044\u4f4d\u7f6e\u306b\u8a2d\u7f6e<\/td><\/tr><tr><td>3D-UMa<\/td><td>Urban Macro cell with high (outdoor\/indoor) UE density<\/td><td>\u5468\u308a\u306e\u30d3\u30eb\u306e\u4e0a\u306b\u8a2d\u7f6e<\/td><\/tr><tr><td>3D-UMa-H<\/td><td>Urban Macro cell with one high-rise per sector and 300m ISD<\/td><td>\u30bb\u30af\u30bf\u30fc\u3054\u3068\u306b\u3042\u308b\u9ad8\u3044\u30d3\u30eb\u306e\u4e0a\u306b\u4e00\u3064\u305a\u3064\u8a2d\u7f6e\u3057\u3001300m\u306eISD\u3092\u4fdd\u3064<\/td><\/tr><tr><td>3D-InH<\/td><td>Indoor Hotspot cell with high (indoor) UE density<\/td><td>\u5929\u4e95\u306e\u4e0b\u306b\u30de\u30a6\u30f3\u30c8\u3002\u30b9\u30e2\u30fc\u30eb\u30bb\u30eb\u3067\u5c4b\u5185\u3067\u306e\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u30c6\u30b9\u30c8\u74b0\u5883\u6642\u306b\u8a2d\u5b9a\u3002<\/td><\/tr><\/tbody><\/table>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"head19\">\u5c4b\u5185\u30aa\u30d5\u30a3\u30b9\u306e\u8a73\u7d30\u8a2d\u5b9a<\/h4>\n\n\n\n<p>TR-38.900\u306ep.21\u306b\u8a18\u8f09\u3002WxLxH = 120m x 50m x 3m \u306e\u9577\u65b9\u5f62\u306e\u90e8\u5c4b\u3067\u3001\u4e0a\u306e\u58c1\u304b\u308915m, \u5de6\u306e\u58c1\u304b\u308910m \u306e\u4f4d\u7f6e\u306bBS\u3092\u4e00\u3064\u7f6e\u304d\u3001\u305d\u3053\u304b\u3089x\u8ef8\u30fby\u8ef8\u65b9\u5411\u306b 20m \u305a\u3064ISD\u3092\u4fdd\u3061\u306a\u304c\u3089\u3001\u5408\u8a0812\u500b\u3092\u914d\u7f6e\u3002\uff08120m x 50m x 3m \u306e\u90e8\u5c4b\u306b\u5408\u8a0812\u500b\u57fa\u5730\u5c40\u3092\u8a2d\u7f6e\u3059\u308b\u3002\uff09<\/p>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u30d1\u30e9\u30e1\u30fc\u30bf<\/th><th>open office<\/th><th>mixed office<\/th><\/tr><\/thead><tbody><tr><td><strong>\u30ec\u30a4\u30a2\u30a6\u30c8\uff08\u90e8\u5c4b\u306e\u30b5\u30a4\u30ba WxLxH\uff09<\/strong><\/td><td>120m x 50m x 3m<\/td><td>120m x 50m x 3m<\/td><\/tr><tr><td><strong>\u30ec\u30a4\u30a2\u30a6\u30c8\uff08ISD\uff09<\/strong><\/td><td>20m<\/td><td>20m<\/td><\/tr><tr><td><strong>BS\u30a2\u30f3\u30c6\u30ca\u306e\u9ad8\u3055 h_{BS}<\/strong><\/td><td>3m (\u5929\u4e95)<\/td><td>3m (\u5929\u4e95)<\/td><\/tr><tr><td><strong>UT\u306e\u4f4d\u7f6e\uff08LOS\/NLOS\uff09<\/strong><\/td><td>LOS\u3068NLOS\u4e21\u65b9<\/td><td>LOS\u3068NLOS\u4e21\u65b9<\/td><\/tr><tr><td><strong>UT\u306e\u4f4d\u7f6e\uff08\u9ad8\u3055 h_{UT}\uff09<\/strong><\/td><td>1m<\/td><td>1m<\/td><\/tr><tr><td><strong>UT\u306e\u79fb\u52d5\uff08\u6c34\u5e73\u65b9\u5411\u306e\u307f\uff09<\/strong><\/td><td>3 km\/h<\/td><td>3 km\/h<\/td><\/tr><tr><td><strong>BS &#8211; UT\u9593\u8ddd\u96e2\u306e\u6700\u5c0f\u5024<\/strong><\/td><td>0 m<\/td><td>0 m<\/td><\/tr><tr><td><strong>UT \u306e\u5206\u5e03<\/strong><\/td><td>uniform \uff08\u4e00\u69d8\u5206\u5e03\uff09<\/td><td>uniform \uff08\u4e00\u69d8\u5206\u5e03\uff09<\/td><\/tr><\/tbody><\/table>\n\n\n\n<p>\u56f3\u306b\u3059\u308b\u3068\u4e0b\u8a18\u306e\u3088\u3046\u306a\u914d\u7f6e\uff08TR-38.900\u306e\u56f3 7.2.1\u3088\u308a\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1529\" height=\"736\" src=\"https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-fig-7-2-1.png\" alt=\"\" class=\"wp-image-488\" srcset=\"https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-fig-7-2-1.png 1529w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-fig-7-2-1-300x144.png 300w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-fig-7-2-1-1024x493.png 1024w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-fig-7-2-1-360x173.png 360w\" sizes=\"auto, (max-width: 1529px) 100vw, 1529px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a2\u30f3\u30c6\u30ca\u30e2\u30c7\u30eb<\/h3>\n\n\n\n<p>TR-38.900 Section 7.3 \u3088\u308a\u3001BS antenna model \u306f a uniform rectangular panel array\u3000\u3092\u4f7f\u3046\u3002\u4e0b\u8a18\u306e\u8868\u306f Table7.3-1 \u304b\u3089\u6570\u5f0f\u90e8\u5206\u3092\u30ab\u30c3\u30c8\u3057\u3066\u5024\u3060\u3051\u306b\u3057\u305f\u3082\u306e\u3002<\/p>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u30d1\u30e9\u30e1\u30fc\u30bf<\/th><th>\u5024<\/th><\/tr><\/thead><tbody><tr><td>\u5782\u76f4\u65b9\u5411\u3078\u306e\u51fa\u529b\u30d1\u30bf\u30fc\u30f3 (vertical radiation)<\/td><td>30 dB<\/td><\/tr><tr><td>\u6c34\u5e73\u65b9\u5411\u3078\u306e(horizontal radiation)<\/td><td>30 dB<\/td><\/tr><tr><td>3D\u30a2\u30f3\u30c6\u30ca\u7528\u306e\u5408\u6210\u65b9\u6cd5<\/td><td>min \u3068\u5e8a\u95a2\u6570\u3092\u4f7f\u3063\u305f\u5f0f<\/td><\/tr><tr><td>\u30a2\u30f3\u30c6\u30ca\u30a8\u30ec\u30e1\u30f3\u30c8\u306e\u6307\u5411\u6027\u5229\u5f97 (Maximum directional gain)<\/td><td>8 dBi<\/td><\/tr><\/tbody><\/table>\n\n\n\n<p>\u203b min{A,B} : A, B \u306e\u3046\u3061\u3001\u5c0f\u3055\u3044\u307b\u3046\u3092\u9078\u3076\u3068\u3044\u3046\u6570\u5f0f\u306e\u8868\u73fe<br>\u203b \u5e8a\u95a2\u6570\uff1a\u5b9f\u6570 x \u306e\u6574\u6570\u90e8\u5206\u3092\u8868\u73fe\u3059\u308b\u3068\u304d\u306b\u4f7f\u3046\u30ac\u30a6\u30b9\u8a18\u53f7\u306e\u4e00\u3064\u3067\u3001\u5b9f\u6570 x \u4ee5\u4e0b\u306e\u6700\u5927\u306e\u6574\u6570\u3092\u8868\u73fe\u3059\u308b. tex\u3060\u3068\\lfloor, \\rfloor \u3067\u56f2\u3080\u3002floor(x) \u3068\u8868\u8a18\u3059\u308b\u5834\u5408\u3082\u3042\u308b\u3002<a href=\"https:\/\/ja.wikipedia.org\/wiki\/%E5%BA%8A%E9%96%A2%E6%95%B0%E3%81%A8%E5%A4%A9%E4%BA%95%E9%96%A2%E6%95%B0\">wikipedia\u306e\u89e3\u8aac<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30b9\u30ed\u30b9<\/h3>\n\n\n\n<p>TR-38.900 Section 7.4.1 \u306b\u3066\u5b9a\u7fa9\u3002\u57fa\u672c\u7684\u306b\u306f\u3001\u5404\u30b7\u30ca\u30ea\u30aa\u306b\u5bfe\u3057\u3066\u6570\u5f0f\uff08\u8a08\u7b97\u30e2\u30c7\u30eb\uff09\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>TR-38.900\u3067\u306f\u3001\u30b7\u30ca\u30ea\u30aa\u3054\u3068\u306b\u30d1\u30b9\u30ed\u30b9\u306e\u8a08\u7b97\u65b9\u6cd5\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3002\u30b7\u30e3\u30c9\u30a6\u30d5\u30a7\u30fc\u30b8\u30f3\u30b0\u306e\u5206\u5e03\u306flog-normal \u3067\u3001\u6a19\u6e96\u504f\u5dee\u3082\u4e0e\u3048\u3089\u308c\u3066\u3044\u308b\u3002<\/li><li>\u63b2\u8f09\u3055\u308c\u3066\u3044\u308b\u8a08\u7b97\u65b9\u6cd5\u304c NS3 \u306ePropagation models \u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u3002<ul><li>ITU-R P.1411\uff08<a href=\"https:\/\/www.itu.int\/dms_pubrec\/itu-r\/rec\/p\/R-REC-P.1411-9-201706-I!!PDF-E.pdf\">PDF\u3078\u306e\u30ea\u30f3\u30af<\/a>\uff09\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u308b\u6570\u5f0f\u304cTR-38.900 \u306b\u8f09\u3063\u3066\u3044\u308b\u6570\u5f0f\u306e\u5927\u5143\uff08\u306e\u3088\u3046\u3060\uff09<\/li><li>TR-38.900, P.1411, ns3\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u6bd4\u8f03\u3057\u306a\u304c\u3089\u89e3\u8aad\u3057\u305f\u7d50\u679c\u3001ItuR1411NlosOverRooftopPropagationLossModel \u3092\u4f7f\u3048\u3070\u3088\u3044\u3088\u3046\u3060\u3002<\/li><li>\u30d3\u30eb\u306b\u3088\u308b\u6e1b\u8870\uff08O2I building penetration model\uff09\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u5834\u5408\u306f\u3001HybridBuildingPropagationLossModel \u306e\u4e2d\u306b\u5185\u8535\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u308c\u3092\u4f7f\u3048\u3070\u3088\u3044\u3088\u3046\u3060\u3002<\/li><\/ul><\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">TR-38.900 \u3067\u306e\u6570\u5f0f\uff08UMa\u3068UMi-Street-canyon\u306e\u90e8\u5206<\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1575\" height=\"196\" src=\"https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-los-nlos-fomula-header-1.png\" alt=\"\" class=\"wp-image-489\" srcset=\"https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-los-nlos-fomula-header-1.png 1575w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-los-nlos-fomula-header-1-300x37.png 300w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-los-nlos-fomula-header-1-1024x127.png 1024w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-los-nlos-fomula-header-1-360x45.png 360w\" sizes=\"auto, (max-width: 1575px) 100vw, 1575px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1590\" height=\"1041\" src=\"https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-uma-umi-los-nlos-fomula.png\" alt=\"\" class=\"wp-image-490\" srcset=\"https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-uma-umi-los-nlos-fomula.png 1590w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-uma-umi-los-nlos-fomula-300x196.png 300w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-uma-umi-los-nlos-fomula-1024x670.png 1024w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-uma-umi-los-nlos-fomula-360x236.png 360w\" sizes=\"auto, (max-width: 1590px) 100vw, 1590px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1583\" height=\"326\" src=\"https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-umi-nlos-fomula.png\" alt=\"\" class=\"wp-image-491\" srcset=\"https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-umi-nlos-fomula.png 1583w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-umi-nlos-fomula-300x62.png 300w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-umi-nlos-fomula-1024x211.png 1024w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-umi-nlos-fomula-360x74.png 360w\" sizes=\"auto, (max-width: 1583px) 100vw, 1583px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>UMa-LOS: 10m \u4ee5\u4e0a\u3000\u3067 d_{BP}^{&#8216;} \uff08\u30d6\u30ec\u30a4\u30af\u30dd\u30a4\u30f3\u30c8\u307e\u3067\u306e\u8ddd\u96e2\uff09\u4ee5\u4e0b\u306a\u3089 PL_{1} \u306e\u5f0f\u3092\u4f7f\u3046\u3002d_{BP}^{&#8216;} \u4ee5\u4e0a\u30675km \u4ee5\u4e0b\u306e\u5834\u5408\u306fPL_{2} \u306e\u5f0f\u3092\u4f7f\u3046\u3002<\/li><li>UMa-NLOS: 10m\u4ee5\u4e0a5km\u4ee5\u4e0b\u306e\u5834\u5408\u3001PL_{UMa-LOS} \u3068 PL_{UMa-NLOS}^{&#8216;} \u3092\u6bd4\u8f03\u3057\u3066\u3001\u5927\u304d\u3044\u307b\u3046\u3092\u4f7f\u3046\u3002<ul><li>\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066\u5358\u7d14\u5316\u3057\u305f\u5f0f\uff08Optional PL\uff09\u3082\u4f7f\u3048\u308b<\/li><\/ul><\/li><li>UMi-LOS (street canyon) : 10m \u4ee5\u4e0a \u30d6\u30ec\u30a4\u30af\u30dd\u30a4\u30f3\u30c8\u4ee5\u4e0b\u306e\u5834\u5408\u3001PL_{1}\u306e\u5f0f\u3092\u4f7f\u3046\u3002\u30d6\u30ec\u30a4\u30af\u30dd\u30a4\u30f3\u30c8\u4ee5\u4e0a5km\u4ee5\u4e0b\u306e\u5834\u5408\u3001PL_{2}\u306e\u5f0f\u3092\u4f7f\u3046\u3002<\/li><li>UMi-NLOS (street canyon) : 10m \u4ee5\u4e0a 5km \u4ee5\u4e0b\u306e\u5834\u5408\u3001PL_{UMi-LOS}\u3068PL_{UMi-NLOS}^{&#8216;}\u3092\u6bd4\u8f03\u3057\u3066\u3001\u5927\u304d\u3044\u307b\u3046\u3092\u4f7f\u3046<ul><li>\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066\u5358\u7d14\u5316\u3057\u305f\u5f0f\uff08Optional PL\uff09\u3082\u4f7f\u3048\u308b<\/li><\/ul><\/li><li>ITU-R P.1411 p.16 (24)\u5f0f\u306b The free-space loss is given by: 32.4 * 20log10(d\/1000) + 20log(f) \u3068\u66f8\u304b\u308c\u3066\u3042\u308b\u5f0f\u304c UMA-LOS \u306ePL_{1}\u306e\u5f0f\u3068\u4e00\u81f4<\/li><li>PropagationModel\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u307b\u3046\u306b\u3082\u5b9f\u88c5\u3057\u3066\u3044\u308b\u5f0f\u304c\u66f8\u3044\u3066\u3042\u3063\u305f\u3002\uff08<a href=\"https:\/\/www.nsnam.org\/docs\/models\/html\/propagation.html#itur1411nlosoverrooftoppropagationlossmodel\">\u30ea\u30f3\u30af<\/a>\uff09<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">ns3\u306eItuR1411LosPropagationLossModel\u306e\u30d1\u30b9\u30ed\u30b9\u53d6\u5f97\u90e8\u5206<\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5bfe\u5fdc\u3059\u308b\u6570\u5f0f\u306f ITU-R P.1411 p.8 Section 4.1.2 Site-specific model for LoS situation \u306e UHF propagation \u90e8\u5206<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>UHF\u5468\u6ce2\u6570\u5e2f\u3067\u4f7f\u3048\u3068\u66f8\u3044\u3066\u3042\u308b\u3002\uff08\u5b9a\u7fa9\u306f ITU-R P.341 \uff09<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>itu-r-1411-los-propagation-loss-model.cc\n\n    61 double\n    62 ItuR1411LosPropagationLossModel::GetLoss (Ptr&lt;MobilityModel> a, Ptr&lt;MobilityModel> b) const\n    63 {\n    64   NS_LOG_FUNCTION (this);\n    65   double dist = a->GetDistanceFrom (b);\n    66   double lossLow = 0.0;\n    67   double lossUp = 0.0;\n    68   NS_ASSERT_MSG (a->GetPosition ().z > 0 &amp;&amp; b->GetPosition ().z > 0, \"nodes' height must be greater than 0\");\n    69   double Lbp = std::fabs (20 * std::log10 ((m_lambda * m_lambda) \/ (8 * M_PI * a->GetPosition ().z * b->GetPosition ().z))); # ITU-R P.1411 Sec 4.1.2 fomula (5)\n    70   double Rbp = (4 * a->GetPosition ().z * b->GetPosition ().z) \/ m_lambda; #ITU-R P.1411 Sec 4.1.2 fomula (3)\n    71   NS_LOG_LOGIC (this &lt;&lt; \" Lbp \" &lt;&lt; Lbp &lt;&lt; \" Rbp \" &lt;&lt; Rbp &lt;&lt; \" lambda \" &lt;&lt; m_lambda);\n    72   if (dist &lt;= Rbp)\n    73     {\n    74       lossLow = Lbp + 20 * std::log10 (dist \/ Rbp); #ITU-R P.1411 Sec 4.1.2 fomula (4)\n    75       lossUp = Lbp + 20 + 25 * std::log10 (dist \/ Rbp); #ITU-R P.1411 Sec 4.1.2 fomula (4)\n    76     }\n    77   else\n    78     {\n    79       lossLow = Lbp + 40 * std::log10 (dist \/ Rbp); #ITU-R P.1411 Sec 4.1.2 fomula (2)\n    80       lossUp = Lbp + 20 + 40 * std::log10 (dist \/ Rbp);#ITU-R P.1411 Sec 4.1.2 fomula (2)\n    81     }\n    82 \n    83   double loss = (lossUp + lossLow) \/ 2;\n    84 \n    85   return loss;\n    86 }\n    87 \n    88 \n    89 void\n    90 ItuR1411LosPropagationLossModel::SetFrequency (double freq)\n    91 {\n    92   NS_ASSERT (freq > 0.0);\n    93   m_lambda = 299792458.0 \/ freq;\n    94 }\n    95<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">ns3\u306eItuR1411NlosOverRooftopPropagationLossModel\u306e\u30d1\u30b9\u30ed\u30b9\u53d6\u5f97\u90e8\u5206<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>itu-r-1411-nlos-over-rooftop-propagation-loss-model.cc\n\n   101 double\n   102 ItuR1411NlosOverRooftopPropagationLossModel::GetLoss (Ptr&lt;MobilityModel> a, Ptr&lt;MobilityModel> b) const\n   103 {\n   104   NS_LOG_FUNCTION (this &lt;&lt; a &lt;&lt; b);\n   105   double Lori = 0.0;\n   106   double fmhz = m_frequency \/ 1e6;\n   107 \n   108   NS_ASSERT_MSG (((m_streetsOrientation >= 0) &amp;&amp; (m_streetsOrientation &lt;= 90)),\n   109                  \" Street Orientation must be in [0,90]\");\n   110   if (m_streetsOrientation &lt; 35)\n   111     {\n   112       Lori = -10.0 + 0.354 * m_streetsOrientation; # ITU-R P.1411 p.16 Section 4.2.2.1 (26)\n   113     }\n   114   else if ((m_streetsOrientation >= 35)&amp;&amp;(m_streetsOrientation &lt; 55))\n   115     {\n   116       Lori = 2.5 + 0.075 * (m_streetsOrientation - 35); # ITU-R P.1411 p.16 Section 4.2.2.1 (26)\n   117     }\n   118   else \/\/ m_streetsOrientation >= 55\n   119     {\n   120       Lori = 2.5 + 0.075 * (m_streetsOrientation - 55); # ITU-R P.1411 p.16 Section 4.2.2.1 (26)\n   121     }\n   122 \n   123   double distance = a->GetDistanceFrom (b);\n   124   double hb = (a->GetPosition ().z > b->GetPosition ().z ? a->GetPosition ().z : b->GetPosition ().z);\n   125   double hm = (a->GetPosition ().z &lt; b->GetPosition ().z ? a->GetPosition ().z : b->GetPosition ().z);\n   126   NS_ASSERT_MSG (hm > 0 &amp;&amp; hb > 0, \"nodes' height must be greater then 0\");\n   127   double Dhb = hb - m_rooftopHeight;\n   128   double ds = (m_lambda * distance * distance) \/ (Dhb * Dhb);\n   129   double Lmsd = 0.0;\n   130   NS_LOG_LOGIC (this &lt;&lt; \" build \" &lt;&lt; m_buildingsExtend &lt;&lt; \" ds \" &lt;&lt; ds &lt;&lt; \" roof \" &lt;&lt; m_rooftopHeight &lt;&lt; \" hb \" &lt;&lt; hb &lt;&lt; \" lambda \" &lt;&lt; m_lambda);\n   131   if (ds &lt; m_buildingsExtend)\n   132     { # ITU-R P.1411 p.18 Section 4.2.2.1 (38),(39),(40),(41)\n   133       double Lbsh = 0.0;\n   134       double ka = 0.0;\n   135       double kd = 0.0;\n   136       double kf = 0.0;\n   137       if (hb > m_rooftopHeight)\n   138         {\n   139           Lbsh = -18 * std::log10 (1 + Dhb);\n   140           ka = (fmhz > 2000 ? 71.4 : 54.0);\n   141           kd = 18.0;\n   142         }\n   143       else \n   144         {\n   145           Lbsh = 0;\n   146           kd = 18.0 - 15 * Dhb \/ a->GetPosition ().z;\n   147           if (distance &lt; 500)\n   148             {\n   149               ka = 54.0 - 1.6 * Dhb * distance \/ 1000;\n   150             }\n   151           else\n   152             {\n   153               ka = 54.0 - 0.8 * Dhb;\n   154             }\n   155         }\n   156       if (fmhz > 2000)\n   157         {\n   158           kf = -8;\n   159         }\n   160       else if ((m_environment == UrbanEnvironment)&amp;&amp;(m_citySize == LargeCity))\n   161         {\n   162           kf = -4 + 0.7 * (fmhz \/ 925.0 - 1);\n   163         }\n   164       else\n   165         {\n   166           kf = -4 + 1.5 * (fmhz \/ 925.0 - 1);\n   167         }\n   168 \n   169       Lmsd = Lbsh + ka + kd * std::log10 (distance \/ 1000.0) + kf * std::log10 (fmhz) - 9.0 * std::log10 (m_buildingSeparation); # ITU-R P.1411 p.17 Section 4.2.2.1 (37)\n   170     }\n   171   else\n   172     { # ITU-R P.1411 p.18 Section 4.2.2.1 (42),(43)\n   173       double theta = std::atan (Dhb \/ m_buildingSeparation);# ITU-R P.1411 p.18 Section 4.2.2.1 (44)\n   174       double rho = std::sqrt (Dhb * Dhb + m_buildingSeparation * m_buildingSeparation);# ITU-R P.1411 p.18 Section 4.2.2.1 (45)\n   175       double Qm = 0.0;\n   176       if ((hb > m_rooftopHeight - 1.0) &amp;&amp; (hb &lt; m_rooftopHeight + 1.0))\n   177         { \n   178           Qm = m_buildingSeparation \/ distance;\n   179         }\n   180       else if (hb > m_rooftopHeight)\n   181         {\n   182           Qm = 2.35 * pow (Dhb \/ distance * std::sqrt (m_buildingSeparation \/ m_lambda), 0.9);\n   183         }\n   184       else\n   185         {\n   186           Qm = m_buildingSeparation \/ (2 * M_PI * distance) * std::sqrt (m_lambda \/ rho) * (1 \/ theta - (1 \/ (2 * M_PI + theta)));\n   187         }\n   188       Lmsd = -10 * std::log10 (Qm * Qm);\n   189     }\n   190   double Lbf = 32.4 + 20 * std::log10 (distance \/ 1000) + 20 * std::log10 (fmhz); \n   191   double Dhm = m_rooftopHeight - hm;\n   192   double Lrts = -8.2 - 10 * std::log10 (m_streetsWidth) + 10 * std::log10 (fmhz) + 20 * std::log10 (Dhm) + Lori; # ITU-R P.1411 p.16 Section 4.2.2.1 (25)\n   193   NS_LOG_LOGIC (this &lt;&lt; \" Lbf \" &lt;&lt; Lbf &lt;&lt; \" Lrts \" &lt;&lt; Lrts &lt;&lt; \" Dhm\" &lt;&lt; Dhm &lt;&lt; \" Lmsd \"  &lt;&lt; Lmsd);\n   194   double loss = 0.0;\n   195   if (Lrts + Lmsd > 0)\n   196     { # ITU-R P.1411 p.16 Section 4.2.2.1 (23)\n   197       loss = Lbf + Lrts + Lmsd;\n   198     }\n   199   else\n   200     {\n   201       loss = Lbf;\n   202     }\n   203   return loss;\n   204 }\n   205 \n   206 \n   207 void\n   208 ItuR1411NlosOverRooftopPropagationLossModel::SetFrequency (double freq)\n   209 {\n   210   m_frequency = freq;\n   211   m_lambda = 299792458.0 \/ freq;\n   212 }<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"head26\">LOS (Line of Sight) probability<\/h3>\n\n\n\n<p>TR-38.900 Section 7.4.2 \u306b\u30b7\u30ca\u30ea\u30aa\u3054\u3068\u306bLOS\u306e\u767a\u751f\u78ba\u7387\u306e\u6570\u5f0f\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3002\uff08\u3053\u3053\u3067\u306f\u5272\u611b\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"head27\">O2I building penetration model<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>TR-38.900 Section 7.4.3 \u306b\u30d3\u30eb\u3067\u306e\u6d78\u900f\u30e2\u30c7\u30eb\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3002<\/li><li>ns3 \u3067\u306f\u3000BuildingPropagationLossModel\u306b\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3002<ul><li><a href=\"http:\/\/code.nsnam.org\/ns-3-dev\/file\/68978885b6fc\/src\/buildings\/model\/buildings-propagation-loss-model.cc\">ns3\u306eBuildingsPropagationLossModel \u30af\u30e9\u30b9\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/a><br><\/li><\/ul><\/li><li>LOS\/NLOS\u306e\u30d1\u30b9\u30ed\u30b9\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u5834\u5408\u306f\u3001HybridBuildingPropagationLossModel \u306e\u4e2d\u306bITU-R 1411, Okumra-Hata, ITU-R P.1238 \u306e\u6e1b\u8870\u30e2\u30c7\u30eb\u304c\u5185\u8535\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u308c\u3092\u4f7f\u3048\u3070\u3088\u3044\u3002<ul><li><a href=\"http:\/\/code.nsnam.org\/ns-3-dev\/file\/68978885b6fc\/src\/buildings\/model\/hybrid-buildings-propagation-loss-model.cc\">HybridBuildingsPropagationModel\u30af\u30e9\u30b9\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/a><br><\/li><\/ul><\/li><li>\u305f\u3060\u3057\u3001\u6e1b\u8870\u306e\u8a2d\u5b9a\u5024\u304cTR 38.900\u3068NS3\u3067\u306f\u7570\u306a\u3063\u3066\u3044\u308b\u3002<br><\/li><\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">TR 38.900 p.28 section 7.4.3 table 7.4.3-1 \u306e\u6e1b\u8870\u5024<\/h5>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>Material<\/th><th>Penetration loss [dB]<\/th><\/tr><\/thead><tbody><tr><td>Standard multi-pane glass<\/td><td>L_{glass} = 2 + 0.2f<\/td><\/tr><tr><td>IRR glass<\/td><td>L_{IRRglass} = 23 + 0.3f<\/td><\/tr><tr><td>Concrete<\/td><td>L_{concrete} = 5 + 4f<\/td><\/tr><tr><td>Wood<\/td><td>L_{wood} = 4.85 + 0.12f<\/td><\/tr><tr><td>Note: f is in GHz<\/td><\/tr><\/tbody><\/table>\n\n\n\n<h5 class=\"wp-block-heading\">NS3 \u306e\u6e1b\u8870\u5024<\/h5>\n\n\n\n<p>COST231\u3092\u3082\u3068\u306b\u3057\u3066\u3044\u308b\uff09\uff08<a href=\"https:\/\/www.nsnam.org\/docs\/models\/html\/buildings-design.html#buildingspropagationlossmodel\">\u00a0\u539f\u6587\u3078\u306e\u30ea\u30f3\u30af<\/a>\uff09<\/p>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>Material<\/th><th>Penetration loss [dB]<\/th><\/tr><\/thead><tbody><tr><td>Wood<\/td><td>4 dB<\/td><\/tr><tr><td>Concrete with windows (not metallized)<\/td><td>7 dB<\/td><\/tr><tr><td>Concrete without windows<\/td><td>15 dB (spans between 10 and 20 in COST231)<\/td><\/tr><tr><td>Stone blocks<\/td><td>12 dB<\/td><\/tr><\/tbody><\/table>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"head28\">Autocorrelation of shadow fading<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>TR-38.900 Section 7.4.4\u306b\u8a18\u8f09<\/li><li>ITU-R Recommendation P.1816 \u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u308b\u3001\u6b63\u898f\u5316 autocorrelation \u95a2\u6570\u3000R(\u0394x) = e^{-|\u0394x|\/d_{cor}}\u3092\u4f7f\u3046\u3002<ul><li>\u0394x : \u6c34\u5e73\u65b9\u5411\u306e\u8ddd\u96e2d_c{cor} : correlation length<\/li><\/ul><\/li><li>ns3 \u306e src\/propagation\/examples \u306bJakes Propagation Model\u306e\u5834\u5408\u306e autocorrelation \u306e\u30c7\u30fc\u30bf\u3092\u30d7\u30ed\u30c3\u30c8\u3059\u308b R \u30b3\u30de\u30f3\u30c9\u304c\u8f09\u3063\u3066\u3044\u308b\u3002<ul><li><a href=\"http:\/\/code.nsnam.org\/ns-3-dev\/file\/68978885b6fc\/src\/propagation\/examples\/jakes-propagation-model-example.cc\">\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/a><\/li><\/ul><\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u00a0Fast fading<\/h3>\n\n\n\n<p>TR-38.900 Section 7.5 \u306b Fast Fading \u3092\u9069\u7528\u3059\u308b\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u30fc\u3068\u30b9\u30c6\u30c3\u30d7\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u3002\u4e0b\u56f3\u306f\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u30fc\u3092\u56f3\u793a\u3057\u305f\u3082\u306e\uff08TR-38.900 Section 7.5, Fig.7.5.1 \u3088\u308a\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"615\" height=\"417\" src=\"https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-fig-7-5-1-1.png\" alt=\"\" class=\"wp-image-492\" srcset=\"https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-fig-7-5-1-1.png 615w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-fig-7-5-1-1-300x203.png 300w, https:\/\/www.fatware.jp\/wp-content\/uploads\/2019\/10\/tr-38-900-fig-7-5-1-1-360x244.png 360w\" sizes=\"auto, (max-width: 615px) 100vw, 615px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3GPP TR 38.900 Section 6.1 \u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u30c1\u30e3\u30cd\u30eb\u30e2\u30c7\u30eb<\/h2>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u30e2\u30c7\u30eb\u540d<\/th><th>\u7279\u5fb4<\/th><\/tr><\/thead><tbody><tr><td>METIS Channel Models<\/td><td>5G\u306e\u8981\u6c42\u4e8b\u9805\uff08\u5e83\u5468\u6ce2\u6570\u30ec\u30f3\u30b8\u3001\u9ad8\u5e2f\u57df\u3001\u5927\u898f\u6a21MIMO\u30013-D\u3001\u7cbe\u5bc6\u306a\u504f\u5149\u30e2\u30c7\u30eb\uff09\u306b\u6cbf\u3063\u305f\u30e2\u30c7\u30eb\u30022GHz\u304b\u308960GHz\u307e\u3067\u306e\u5e2f\u57df\u3067\u30c1\u30e3\u30cd\u30eb\u6e2c\u5b9a\u304c\u3067\u304d\u308b\u3002\u7570\u306a\u308b\u30c1\u30e3\u30cd\u30eb\u30e2\u30c7\u30eb\u624b\u6cd5\uff08\u30de\u30c3\u30d7\u30d9\u30fc\u30b9\u3001\u78ba\u7387\u8ad6\u30e2\u30c7\u30eb\u3001\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30e2\u30c7\u30eb\uff09\u3092\u63d0\u4f9b\u3067\u304d\u308b\u3002\u78ba\u7387\u8ad6\u30e2\u30c7\u30eb\u3092\u4f7f\u3046\u5834\u5408\u3001METIS\u30c1\u30e3\u30cd\u30eb\u30e2\u30c7\u30eb\u3067\u306f\u5c4b\u5916\u306e\u8857\u533a\uff08outdoor square\uff09\u3001\u5c4b\u5185\u306e\u30ab\u30d5\u30a7\u30c6\u30ea\u30a2\u3001\u5c4b\u5185\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30e2\u30fc\u30eb\u30b7\u30ca\u30ea\u30aa\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u3066\u3044\u308b\u3002<\/td><\/tr><tr><td>MiWEBA Channel Models<\/td><td>\u30b7\u30e3\u30c9\u30a6\u30a4\u30f3\u30b0\uff08\u77ed\u533a\u9593\u5909\u52d5\uff09\u3001\u30b9\u30da\u30af\u30c8\u30eb\u306e\u4e00\u8cab\u6027\u3001\u74b0\u5883\u306e\u5909\u52d5\u3001\u7403\u6ce2\u52d5\u95a2\u6570\uff08spherical wave modelling\uff09\u3001\u30c7\u30e5\u30a2\u30eb\u30e2\u30d3\u30ea\u30c6\u30a3\u30c9\u30c3\u30d7\u30e9\u30fc\u30e2\u30c7\u30eb\uff08 dual mobility Doppler model\uff09\u3001\u62e1\u6563\u53cd\u5c04\uff08diffuse reflection\uff09\u3068\u93e1\u9762\u53cd\u5c04\uff08specular reflection\uff09\u306e\u9593\u306e\u6bd4\u7387\u3001\u504f\u6ce2\uff08polarization\uff09\u306a\u3069\u306b\u30c1\u30e3\u30ec\u30f3\u30b8\u3057\u3066\u3044\u308b\u3002\u7591\u4f3c\u6c7a\u5b9a\u6027\u30c1\u30e3\u30cd\u30eb\u30e2\u30c7\u30eb\uff08Quasi-deterministi channel model\uff09\u3068\u3057\u3066\u63d0\u6848\u3055\u308c\u3066\u3044\u308b\u300260GHz\u3067\u306e\u30c1\u30e3\u30cd\u30eb\u6e2c\u5b9a\u304c\u53ef\u80fd\u3002\u5927\u5b66\u30ad\u30e3\u30f3\u30d1\u30b9\u3001\u9ad8\u5c64\u30d3\u30eb\u7fa4\u306e\u9593\u306e\u8def\uff08street canyon<a href=\"https:\/\/en.wikipedia.org\/wiki\/Street_canyon\">(wikipedia)<\/a>\uff09\u30db\u30c6\u30eb\u306e\u30ed\u30d3\u30fc\u3001\u30d0\u30c3\u30af\u30db\u30fc\u30eb(backhaul)\u3001D2D\u30b7\u30ca\u30ea\u30aa\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u3066\u3044\u308b\u3002<\/td><\/tr><tr><td>ITU-R M Channel Models<\/td><td>\u30df\u30ea\u6ce2\u3067\u306e\u62e1\u6563\u6e1b\u8870\u3068\u5927\u6c17\u6e1b\u8870\u3092\u6271\u3046\u3002\u30a2\u30f3\u30c6\u30ca\u30a2\u30ec\u30fc\u6280\u8853\u3068\u30bb\u30df\u30b3\u30f3\u30c0\u30af\u30bf\u30fc\u6280\u8853\u3092\u53d6\u308a\u5165\u308c\u3066\u3044\u308b\u3002\u9ad8\u3044\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\u30b5\u30fc\u30d3\u30b9\u7528\u306e\u5bc6\u5ea6\u306e\u9ad8\u3044\u90fd\u5e02\u90e8\u306e\u74b0\u5883\uff08dense urban environment for high data rate service\uff09\u3078\u306e\u5c0e\u5165\u30b7\u30ca\u30ea\u30aa\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u3066\u3044\u308b\uff1a\u5c4b\u5185\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30e2\u30fc\u30eb\u3001\u5c4b\u5185\u306e\u4f01\u696d\u3001\u5bb6\u3001\u8857\u533a\u3084\u8857\u8def\uff08square and street) \u3001\u8857\u3067\u306e\u30e2\u30d3\u30ea\u30c6\u30a3\u3002<\/td><\/tr><tr><td>COST2100 and COST IC1004 Channel Models<\/td><td>\u4f4d\u7f6e\u30d9\u30fc\u30b9\u306e\u78ba\u7387\u8ad6\u7684\u30c1\u30e3\u30cd\u30eb\u30e2\u30c7\u30eb\u3067\u3001MIMO\u30c1\u30e3\u30cd\u30eb\u306e\u78ba\u7387\u7684\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6642\u9593\u3001\u5468\u6ce2\u6570\u3001\u7a7a\u9593\u3092\u8d85\u3048\u3066\u518d\u751f\u6210\u3059\u308b\u3002\u4e00\u7a2e\u306e\u30af\u30e9\u30b9\u30bf\u30ec\u30d9\u30eb\u30e2\u30c7\u30eb\u306b\u3042\u305f\u308a\u3001\u305d\u3053\u3067\u306f\u3001\u5927\u898f\u6a21\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u7d71\u8a08\u5024\u304c\u5404\u30c1\u30e3\u30cd\u30eb\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30bb\u30c3\u30c8\u3054\u3068\u306b\u5e38\u306b\u4fdd\u8a3c\u3055\u308c\u3066\u3044\u308b\u3002<\/td><\/tr><tr><td>NYU WIRELESS Channel Models<\/td><td>28\/38\/60\/73 GHz\u306b\u95a2\u3057\u5c4b\u5916\u30fb\u5c4b\u5185\u53cc\u65b9\u3067\u8a08\u6e2c\u3057\u305f\u591a\u6570\u306e\u90fd\u5e02\u90e8\u3067\u306e\u4f1d\u642c\u8a08\u6e2c\u7d50\u679c\u3092\u3082\u3068\u306b\u4f5c\u3089\u308c\u3066\u304a\u308a\u3001\u8a08\u6e2c\u306f\u4eca\u3067\u3082\u7d9a\u3044\u3066\u3044\u308b\u3002\u73fe\u884c\u306e3GPP\u3067\u306e6Ghz\u4ee5\u4e0b\u306e\u30c1\u30e3\u30cd\u30eb\u30e2\u30c7\u30eb\u304b\u3089\u5c11\u3057\u306e\u5909\u66f4\u3084\u62e1\u5f35\u3067\u6e08\u3080\u3001\u6b21\u306e3\u30a8\u30ea\u30a2\u3067\u306e5G\u30df\u30ea\u6ce2\u30c1\u30e3\u30cd\u30eb\u306e\u30e2\u30c7\u30eb\u3068\u3057\u3066\u63d0\u6848\u3055\u308c\u3066\u3044\u308b\uff1a1) LOS\/NLOS\/blockage \u30e2\u30c7\u30eb\uff08a squared exponential term\uff09\u30012)\u5e83\u5e2f\u57df\u30d1\u30ef\u30fc\u30c7\u30a3\u30ec\u30a4\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\uff08\u6642\u9593\u306e\u30af\u30e9\u30b9\u30bf\u30fc\u3068\u30b9\u30da\u30af\u30c8\u30eb\u30ed\u30fc\u30d6\u304b\u3089\u6210\u308a\u3001\u73fe\u5b58\u3059\u308b3GPP SSCM \u30e2\u30c7\u30eb\u306e\u7c21\u5358\u306a\u62e1\u5f35\u306b\u4f7f\u3046\uff09\u30013) \u7269\u7406\u5b66\u30d9\u30fc\u30b9\u306e\u30d1\u30b9\u30ed\u30b9\u30e2\u30c7\u30eb\uff08\u73fe\u5b58\u306e3GPP\u30d1\u30b9\u30ed\u30b9\u30e2\u30c7\u30eb\u306e\u65b9\u7a0b\u5f0f\u3092\u4f7f\u3046\u304c\u3001&#8221;floating&#8221;\u306e\u6700\u9069\u5316\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6c7a\u5b9a\u8ad6\u7684\u306a 1 m &#8220;close-in&#8221; \u3067\u3042\u308b\u81ea\u904a\u7a7a\u9593\u4f1d\u642c\u6e1b\u8870\u306e\u53c2\u7167\u5024\uff1f\uff08free space reference term\uff09\u306b\u7f6e\u304d\u63db\u3048\u3001\u7570\u306a\u308b\u30d1\u30fc\u30c6\u30a3\u30fc\u3001\u30b7\u30ca\u30ea\u30aa\u3001\u5468\u6ce2\u6570\u306e\u3069\u308c\u3067\u3082\u4f7f\u3048\u308b\u6a19\u6e96\u7684\u3067\u5b89\u5b9a\u3057\u305f\u30d1\u30b9\u30ed\u30b9\u306e\u4ee3\u8868\u5024\u3092\u63d0\u4f9b\u3059\u308b\u3002\uff09<\/td><\/tr><tr><td>802.11 ad\/ay Channel Models<\/td><td>\u4f1a\u8b70\u5ba4\u3001\u5c0f\u5bdd\u5ba4\u3001\u30ea\u30d3\u30f3\u30b0\u30eb\u30fc\u30e0\u3092\u542b\u3080\u300160 GHz\u5e2f\u306e\u5c4b\u5185\u30c1\u30e3\u30cd\u30eb\u3067\u30ec\u30a4\u30c8\u30ec\u30fc\u30b9\u6cd5\uff08ray-tracing methodology\uff09\u3092\u4f7f\u3046\u30c1\u30e3\u30cd\u30eb\u30e2\u30c7\u30eb\u3002\u30af\u30e9\u30b9\u30bf\u5185\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u8f3b\u5c04\u4f1d\u642c\u9045\u5ef6\u91cf\uff1f\uff08ray excess delay\uff09\u3068\u8f3b\u5c04\u96fb\u529b\u5206\u5e03\uff1f\uff08ray power distribution\uff09\u306e\u89b3\u70b9\u304b\u3089\u63d0\u6848\u3055\u308c\u3066\u3044\u308b\u3002\u906e\u853d\u78ba\u7387\u3068\u906e\u853d\u306b\u3088\u308b\u5e0c\u8584\u5316\u306e\u89b3\u70b9\u304b\u3089\u4eba\u4f53\u906e\u853d\u30e2\u30c7\u30eb\u3082\u63d0\u6848\u3055\u308c\u3066\u3044\u308b\u3002<\/td><\/tr><\/tbody><\/table>\n","protected":false},"excerpt":{"rendered":"<p>\u5c0e\u5165\u30b7\u30ca\u30ea\u30aa \u5c0e\u5165\u30b7\u30ca\u30ea\u30aa\u306f3GPP TR 38.913 V14.1.0 (20 <a href=\"https:\/\/www.fatware.jp\/?page_id=379\" class=\"read-more\">\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":377,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-379","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.fatware.jp\/index.php?rest_route=\/wp\/v2\/pages\/379","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fatware.jp\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.fatware.jp\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.fatware.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fatware.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=379"}],"version-history":[{"count":6,"href":"https:\/\/www.fatware.jp\/index.php?rest_route=\/wp\/v2\/pages\/379\/revisions"}],"predecessor-version":[{"id":493,"href":"https:\/\/www.fatware.jp\/index.php?rest_route=\/wp\/v2\/pages\/379\/revisions\/493"}],"up":[{"embeddable":true,"href":"https:\/\/www.fatware.jp\/index.php?rest_route=\/wp\/v2\/pages\/377"}],"wp:attachment":[{"href":"https:\/\/www.fatware.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}