{"id":437,"date":"2021-07-25T19:12:41","date_gmt":"2021-07-25T10:12:41","guid":{"rendered":"https:\/\/blog.numemo.com\/?p=437"},"modified":"2021-07-25T19:48:36","modified_gmt":"2021-07-25T10:48:36","slug":"wi-fi6%e6%8a%80%e8%a1%93%e3%83%a1%e3%83%a2","status":"publish","type":"post","link":"https:\/\/blog.numemo.com\/?p=437","title":{"rendered":"Wi-Fi6\u6280\u8853\u30e1\u30e2"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u8077\u7a2e\u3068\u3057\u3066\u306fNW\u30a8\u30f3\u30b8\u30cb\u30a2\u306a\u3082\u306e\u306e\u3001\u901a\u4fe1\u4e8b\u696d\u8005\u306e\u30eb\u30fc\u30bf\u306e\u8a2d\u5b9a\u3084\u7ba1\u7406\u3068\u3044\u3063\u305f\u696d\u52d9\u5185\u5bb9\u306e\u305f\u3081\u5bb6\u5ead\u7528\u30eb\u30fc\u30bf\u3084Wi-Fi\u30eb\u30fc\u30bf\u306f\u3088\u304f\u77e5\u3089\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306e\u3067\u3001\u3061\u3087\u3063\u3068\u8abf\u3079\u3066\u307f\u305f\u3002\u81ea\u5206\u7528\u30e1\u30e2\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\">Wi-Fi4,5,6\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IEEE802.11ax\u306e\u4e8b\u3067\u3001NW\u5c4b\u3068\u3057\u3066\u306fIEEE\u306e\u65b9\u304c\u898b\u6163\u308c\u3066\u3044\u308b\u304c\u4e16\u9593\u3067\u306fWi-Fi4\uff5e6\u306b\u30ca\u30f3\u30d0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IEEE\u3067\u66f8\u304b\u308c\u3066\u3082\u5bb6\u96fb\u91cf\u8ca9\u5e97\u3068\u304b\u3067\u306f\u5546\u696d\u7684\u306b\u308f\u304b\u308a\u305a\u3089\u3044\u3068\u306e\u4e8b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Wi-Fi 1\uff5e3\u306f\u672a\u5b9a\u7fa9<\/li><li>Wi-Fi 4 \u2192 IEEE 802.11n (\u4e00\u822c\u7684\u306b\u306f300Mbps)<\/li><li>Wi-Fi 5 \u2192 IEEE 802.11ac (\u4e00\u822c\u7684\u306b\u306f866.7Mbps)<\/li><li>Wi-Fi 6 \u2192 IEEE 802.11ax (\u4e00\u822c\u7684\u306b\u306f1200Mbps)<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u3044\u3066\u8a00\u3048\u3070<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Wi-Fi 1 \u2192 11\u7121\u5370(\u6700\u59272Mbps\u3060\u3063\u305f\u3089\u3057\u3044)<\/li><li>Wi-Fi 2 \u2192 11b\/a(11or54Mbps)<\/li><li>Wi-Fi 3 \u2192 11g(54Mbps)<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u30af\u30a2\u30c3\u30c9\u30c1\u30e3\u30f3\u30cd\u30eb\u6a5f\u80fd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6614\u306eIEEE 802.11b\u306e\u9803\u304b\u308920MHz\u30671ch\u3068\u3044\u3046\u8003\u3048\u304c\u666e\u901a\u3060\u3063\u305f\u304c\u30015GHz\u5e2f\u306f\u9023\u7d9a\u3057\u305f4ch\u3092\u4f7f\u3063\u306680MHz\u3068\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">NEC\u88fd\u54c1\u306b\u306f\u30af\u30a2\u30c3\u30c9\u30c1\u30e3\u30f3\u30cd\u30eb\u6a5f\u80fd\u3068\u66f8\u304b\u308c\u3066\u3044\u308b\u4e8b\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u89aa\u6a5f\u5074\u306fWi-Fi5\u306e\u5f8c\u534a\u30686\u3067160MHz\u304c\u4f7f\u3048\u308b\u304c\u3001\u7aef\u672b\u5074\u306f80MHz\u4ee5\u4e0a\u3092\u6271\u3048\u306a\u3044\u5834\u5408\u304c\u591a\u3044\u306e\u3067\u3001\u5b9f\u7528\u4e0a\u306f\u3059\u3079\u3066\u30af\u30a2\u30c3\u30c9\u30c1\u30e3\u30f3\u30cd\u30eb\u3060\u3068\u601d\u3063\u3066\u3088\u3044\uff08\u5f8c\u8ff0\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b9\u30c8\u30ea\u30fc\u30e0\u6570\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">mimo\u3068\u547c\u3070\u308c\u308b\u30a2\u30f3\u30c6\u30ca\u5897\u3084\u3057\u3066\u3001\u901f\u5ea6\u30922\u500d,3\u500d\u306b\u3059\u308b\u6280\u8853\u3002\u30b9\u30c8\u30ea\u30fc\u30e0\u3067\u306f\u306a\u304f\u30a2\u30f3\u30c6\u30ca\u6570\u3068\u66f8\u3044\u3066\u3042\u308b\u4e8b\u3082\u3042\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30a2\u30f3\u30c6\u30ca\u306e\u6570\u304c\u3044\u304f\u3089\u5897\u3048\u3066\u3082\u3001\u4f7f\u7528\u3059\u308b\u5e2f\u57df\u306f\u4e00\u5b9a\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070Wi-Fi5(11ac)\u306780MHz\u4f7f\u7528\u30572x2mimo\u3068\u3059\u308b\u3068\u3001\u9001\u4fe1\u30a2\u30f3\u30c6\u30ca1\u500b\u306b\u3064\u304d40MHz\u3092\u5272\u308a\u5f53\u3066\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u500b\u306e\u30a2\u30f3\u30c6\u30ca\u304c\u540c\u305880MHz\u306e\u4e2d\u3067\u6df7\u3056\u3063\u305f\u4fe1\u53f7\u3092\u6295\u3052\u308b\u3002\u53d7\u4fe1\u5074\u306f\u9811\u5f35\u3063\u30662\u500b\u306e\u30a2\u30f3\u30c6\u30ca\u3067\u6df7\u3056\u3063\u305f\u4fe1\u53f7\u3092\u89e3\u6790\/\u5206\u96e2\u3059\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u306e\u306711ac\u306e80MHz\u3060\u3068433.3Mbps\u304c\u4f1d\u9001\u901f\u5ea6\u306e\u305f\u3081\u30012x2mimo\u3067866.7Mbps\u30013x3mimo\u30671300Mbps\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u96e3\u3057\u3044\u4e8b\u3092\u8003\u3048\u305a\u306b\u3001mimo\u4e0d\u4f7f\u7528\u306e\u901f\u5ea6\u304b\u3089\u6574\u6570\u500d\u3059\u308c\u3070\u3088\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u5927\u901f\u5ea6\u306b\u3064\u3044\u3066<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>11n 20MHz \u2192 72Mbps<\/li><li>11n 40MHz \u2192 150Mbps<\/li><li>11ac 80MHz \u2192 433.3Mbps<\/li><li>11ax 80MHz \u2192 600.5Mbps<\/li><li>11ax 160MHz \u2192 1201Mbps<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u57fa\u6e96\u3068\u306a\u308b\u901f\u5ea6\u306bmimo\u6570\u3092\u304b\u3051\u308b\u3068\u6700\u5927\u901f\u5ea6\u304c\u308f\u304b\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001MCS\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3068\u3044\u3046\u57fa\u6e96\u3068\u306a\u308b\u6570\u5b57\u304c\u65b0\u3057\u304f\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u306e\u3067\u3001Draft\u7248\u3067\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305fWi-Fi\u30eb\u30fc\u30bf\u3084\u30b3\u30b9\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u90fd\u5408\u4e0a\u3067\u4f5c\u3089\u308c\u305fWi-Fi\u30eb\u30fc\u30bf\u306f\u3053\u306e\u57fa\u6e96\u901f\u5ea6\u3088\u308a\u9045\u304b\u3063\u305f\u308a\u3059\u308b\u4e8b\u3082\u3042\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3055\u3089\u306bMCS\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u5c0f\u3055\u3044\u306e\u306b\u3001MIMO\u6570\u304c\u591a\u3044\u88fd\u54c1\u306f\u4e2d\u9014\u534a\u7aef\u306a\u6700\u5927\u901f\u5ea6\u304c\u66f8\u3044\u3066\u3042\u3063\u305f\u308a\u3059\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> MCS\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3042\u308b\u7a2e\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\u3067\u3001\u5909\u8abf\u65b9\u5f0f(256-QAM\u306a\u306e\u304b1024-QAM\u306a\u306e\u304b\uff09\u3084\u8aa4\u308a\u8a02\u6b63\u7387\uff083\/4\u306a\u306e\u304b5\/6\u306a\u306e\u304b\uff09\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6280\u8853\u5236\u5b9a\u5f8c\u3057\u3070\u3089\u304f\u305f\u3063\u305f\u88fd\u54c1\u306f\u6700\u65b0\u306eMCS\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3067\u4e00\u756a\u9001\u4fe1\u9593\u9694(nsec)\u306e\u5024\u3092\u8aad\u3081\u3070\u3088\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7aef\u672b\u306b\u3064\u3044\u3066<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u307b\u3068\u3093\u3069\u306e\u30b9\u30de\u30db\u306f\u30a2\u30f3\u30c6\u30ca2\u500b\u3057\u304b\u7a4d\u3093\u3067\u306a\u3044\u3002\u3055\u3089\u306b\u5c4b\u5916\u3067W52\u3068W53\u3092\u8de8\u304e\u3065\u3089\u3044\u306e\u306780MHz\u3057\u304b\u4f7f\u3048\u306a\u3044\u3002\uff08Wi-Fi6\u306e\u6700\u65b0\u30b9\u30de\u30db\u306e\u3054\u304f\u4e00\u90e8\u304c160MHz\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u4e8b\u3082\u3042\u308b\u304c\u3001M1 macbook\u3067\u3059\u3089\u57fa\u672c\u306f80Mhz\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3059\u308b\u306811ac\u3067433.3*2\u306e866.7Mbps\u306811ax\u3067600.5*2\u306e1201Mbps\u3068\u306a\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5192\u982d\u306e\u4e00\u822c\u7684\u306b\u306f\uff5eMbps\u3068\u306a\u3063\u3066\u3044\u308b\u306e\u306f80MHz\u304b\u30642x2mimo\u3067\u66f8\u3044\u3066\u3044\u308b\uff08Wi-Fi4\u306e\u307f40MHz\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Wi-Fi6\u306e\u7701\u96fb\u529b\u6a5f\u80fd\u306b\u3064\u3044\u3066<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Wi-Fi6\u304b\u3089\u7701\u96fb\u529b\u6a5f\u80fd\u3001TWT\uff08Target Wake Time\uff09\u304c\u5c0e\u5165\u3055\u308c\u305f\u3002\u52b9\u679c\u306f\u9650\u5b9a\u7684\u3068\u307f\u3089\u308c\u308b(\u73fe\u72b6\u306e\u30b9\u30de\u30db\u306e\u4f7f\u3044\u65b9\u3067\u306f\u307b\u307c\u8aa4\u5dee\u3068\u306e\u610f\u898b\u304c\u3042\u308b)\u304c\u7cbe\u795e\u7684\u306b\u306f\u3068\u3066\u3082\u5b09\u3057\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MU-MIMO\u306b\u3064\u3044\u3066<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">MIMO\u306e\u30a2\u30f3\u30c6\u30ca\u3044\u3063\u3071\u3044\u5efa\u3066\u3066(4\u672c\u3068\u304b)\u3001\u7aef\u672b\u304c\u305d\u308c\u305e\u308c\u5225\u306e\u30a2\u30f3\u30c6\u30ca\u306b\u63a5\u7d9a\u3057\u3066\u8907\u6570\u7aef\u672b\u3042\u308b\u72b6\u614b\u3067\u901f\u5ea6\u4f4e\u4e0b\u3092\u9632\u3050\u6a5f\u80fd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5168\u3066\u306e\u7aef\u672b\u304cMU-MIMO\u306b\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u304c\u3001MU-MIMO\u540c\u58eb\u3058\u3083\u306a\u3044\u3068\u3046\u307e\u304f\u5206\u6563\u3055\u308c\u306a\u3044\u306e\u3067\u3001\u5bfe\u5fdc\u7aef\u672b\u304c\u8907\u6570\u53f0\u3068\u306a\u3063\u3066\u306f\u3058\u3081\u3066\u52b9\u679c\u304c\u51fa\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \u306a\u304a\u3001MU-MIMO\u4f7f\u7528\u6642\u306b\u306f\u5236\u5fa1\u30a2\u30f3\u30c6\u30ca\u304c\u56fa\u5b9a\u30671\u672c\u5fc5\u8981\u306b\u306a\u308a\u3001\u901a\u4fe1\u306b\u4f7f\u3048\u308b\u6570\u304c1\u3064\u6e1b\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">iPhone 11\u304b\u3089\u5bfe\u5fdc \/ iPhone XS\u307e\u3067\u306f\u975e\u5bfe\u5fdc\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.4GHz\u5e2f\u306e\u307f\u306e\u88fd\u54c1\u306b\u3064\u3044\u3066<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">2.4GHz\u3057\u304b\u4f7f\u3048\u306a\u3044\u88fd\u54c1\u305f\u3061\u306f\u305f\u3076\u309311n\u3067mimo\u4e0d\u4f7f\u752820MHz\uff1d72.2Mbps\u304c\u57fa\u6e96\u306b\u306a\u308b\u3068\u601d\u308f\u308c\u308b\u3002<br>11ax\u306fmimo\u4e0d\u4f7f\u7528\u304b\u306420MHz\u304c143.4\u3068\u306a\u3063\u3066\u3044\u308b\u304c2.4GHz\u3060\u3051\u306711ax\u306e\u307f\u3068\u3044\u3046\u306e\u306f\u305d\u3046\u305d\u3046\u306a\u3044\u3068\u601d\u308f\u308c\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8077\u7a2e\u3068\u3057\u3066\u306fNW\u30a8\u30f3\u30b8\u30cb\u30a2\u306a\u3082\u306e\u306e\u3001\u901a\u4fe1\u4e8b\u696d\u8005\u306e\u30eb\u30fc\u30bf\u306e\u8a2d\u5b9a\u3084\u7ba1\u7406\u3068\u3044\u3063\u305f\u696d\u52d9\u5185\u5bb9\u306e\u305f\u3081\u5bb6\u5ead\u7528\u30eb\u30fc\u30bf\u3084Wi-Fi\u30eb\u30fc\u30bf\u306f\u3088\u304f\u77e5\u3089\u306a\u3044\u3002 \u306e\u3067\u3001\u3061\u3087\u3063\u3068\u8abf\u3079\u3066\u307f\u305f\u3002\u81ea\u5206\u7528\u30e1\u30e2\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-437","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blog.numemo.com\/index.php?rest_route=\/wp\/v2\/posts\/437","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.numemo.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.numemo.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.numemo.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.numemo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=437"}],"version-history":[{"count":11,"href":"https:\/\/blog.numemo.com\/index.php?rest_route=\/wp\/v2\/posts\/437\/revisions"}],"predecessor-version":[{"id":448,"href":"https:\/\/blog.numemo.com\/index.php?rest_route=\/wp\/v2\/posts\/437\/revisions\/448"}],"wp:attachment":[{"href":"https:\/\/blog.numemo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.numemo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=437"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.numemo.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}