{"id":557603,"date":"2022-06-27T12:22:22","date_gmt":"2022-06-27T12:22:22","guid":{"rendered":"http:\/\/yorunoteiou.com\/?p=557603"},"modified":"2022-06-27T12:22:32","modified_gmt":"2022-06-27T12:22:32","slug":"wifi6%e3%83%ab%e3%83%bc%e3%82%bf%e3%83%bc%e3%81%a8%e3%81%af%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/yorunoteiou.com\/?p=557603","title":{"rendered":"wifi6\u30eb\u30fc\u30bf\u30fc\u3068\u306f\uff1f"},"content":{"rendered":"\n

1.wifi6\u30eb\u30fc\u30bf\u30fc\u3068\u306f\uff1f<\/p>\n\n\n\n

wifi6\u30eb\u30fc\u30bf\u30fc\u3068\u306f\u3001\u5b9f\u306f\u7b2c6\u4e16\u4ee3\u7121\u7dda\u6280\u8853\u3067\u3042\u308bIEEE 802.11 ax\u3001802.11\u3068\u306f\u4f55\u304b\u3002\u541b\u306f\u77e5\u3089\u306a\u3044\u3060\u308d\u3046\u3002<\/p>\n\n\n\n

\u7269\u8a9e\u306f23\u5e74\u524d\u304b\u3089\u59cb\u307e\u308b\u3002<\/p>\n\n\n\n

1997\u5e74\u3001\u4e16\u754c\u6700\u5927\u306e\u5c02\u9580\u5b66\u8853\u7d44\u7e54\u3067\u3042\u308b\u96fb\u6c17\u96fb\u5b50\u30a8\u30f3\u30b8\u30cb\u30a2\u5354\u4f1a\uff08Institute of Electrical and ElectronicsEngineers\uff0cIEEE\uff09\u306f\u4e16\u754c\u521d\u306e\u7121\u7ddaLAN\u898f\u683cIEEE 802.11\u3092\u767a\u8868\u3057\u3001\u52d5\u4f5c\u5468\u6ce2\u6570\u5e2f\u306f2.4 GHz\u3001\u30c7\u30fc\u30bf\u4f1d\u9001\u901f\u5ea6\u306f2 M bit\/s\u3067\u3042\u308a\u3001\u7121\u7dda\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u5b9f\u73fe\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7dda\u306b\u7e1b\u3089\u308c\u308b\u554f\u984c\u3092\u89e3\u6c7a\u3057\u305f\u3002\u65e5\u5897\u3057\u306b\u5897\u52a0\u3059\u308b\u7121\u7dda\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u9700\u8981\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u3001IEEE\u306f\u524d\u5f8c\u3057\u3066802.11 a\u3001802.11 b\u3001802.11 g\u3001802.11 n\u3001802.11 ac\u306a\u3069\u306e\u6a19\u6e96\u3092\u767a\u8868\u3057\uff08\u4e0b\u56f3\u3092\u53c2\u7167\uff09\u3001\u5927\u91cf\u306e\u30e1\u30fc\u30ab\u30fc\u306e\u652f\u6301\u3092\u5f97\u3066\u3001\u5e83\u7bc4\u306a\u5fdc\u7528\u3092\u5f97\u3066\u3001\u7279\u306b\u5e83\u7bc4\u306b\u30db\u30c6\u30eb\u3001\u30db\u30c6\u30eb\u3001\u7a7a\u6e2f\u3001\u99c5\u3001\u4f53\u80b2\u9928\u3001\u4f1a\u5834\u3001\u5927\u5b66\u6559\u5ba4\u3001\u56f3\u66f8\u9928\u3001\u30aa\u30d5\u30a3\u30b9\u3001\u5bb6\u5ead\u306a\u3069\u306e\u5ba4\u5185\u306b\u5fdc\u7528\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n

\u643a\u5e2f\u96fb\u8a71\u3084\u30bf\u30d6\u30ec\u30c3\u30c8\u306a\u3069\u306e\u7121\u7dda\u7aef\u672b\u306e\u666e\u53ca\u3084\u5fdc\u7528\u306b\u4f34\u3044\u3001\u4eba\u624b\u30671\u53f0\u3084\u8907\u6570\u53f0\u306e\u7121\u7dda\u7aef\u672b\u304c\u5e38\u614b\u5316\u3057\u3066\u3044\u308b\u3002\u7121\u7dda\u7aef\u672b\u306e\u30a2\u30af\u30bb\u30b9\u6570\u306e\u5927\u5e45\u306a\u5411\u4e0a\u306f\u3001\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u5e2f\u57df\u5e45\u3001\u540c\u6642\u6570\u3001\u9045\u5ef6\u306a\u3069\u306b\u5bfe\u3057\u3066\u3088\u308a\u9ad8\u3044\u8981\u6c42\u3092\u63d0\u51fa\u3057\u305f\u3002\u4eba\u3005\u306e\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u306b\u5bfe\u3059\u308b\u9700\u8981\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u3001IEEE 802.11\u30ef\u30fc\u30ad\u30f3\u30b0\u30b0\u30eb\u30fc\u30d7\u306f2014\u5e74\u304b\u3089\u65b0\u3057\u3044\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u898f\u683c802.11 ax\u3092\u7814\u7a76\u958b\u767a\u3057\u30012019\u5e74\u4e2d\u306b\u6b63\u5f0f\u306b\u767a\u8868\u3057\u305f\u3002IEEE 802.11\u7121\u7ddaLAN\u898f\u683c\u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308a\u3001\u3053\u308c\u307e\u3067\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u898f\u683c\u3078\u306e\u4e92\u63db\u6027\u3092\u63d0\u4f9b\u3057\u3001\u73fe\u5728\u4e3b\u6d41\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b802.11 n\/ac\u3082\u542b\u3080\u3002\u96fb\u6c17\u96fb\u5b50\u6280\u8853\u8005\u5b66\u4f1a\u304c\u5b9a\u7fa9\u3057\u305f\u540d\u79f0\u306fIEEE 802.11 ax\u3067\u3001\u5546\u696d\u8a8d\u8a3c\u3092\u62c5\u5f53\u3059\u308bWi-Fi\u30a2\u30e9\u30a4\u30a2\u30f3\u30b9\u306f\u3001\u5ba3\u4f1d\u3092\u5bb9\u6613\u306b\u3059\u308b\u305f\u3081\u306bwifi6\u30eb\u30fc\u30bf\u30fc\u3068\u547c\u3070\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n

2.wifi6\u30eb\u30fc\u30bf\u30fc\u306b\u306f\u3069\u306e\u3088\u3046\u306a\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u304b\u3002<\/p>\n\n\n\n

\u2460\u901f\u5ea6<\/p>\n\n\n\n

wifi6\u30eb\u30fc\u30bf\u30fc\u306f160 MHz\u30c1\u30e3\u30cd\u30eb\u5e45\u3067\u3001\u30b7\u30f3\u30b0\u30eb\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u6700\u901f\u901f\u5ea6\u306f1201 Mbit\/s\u3067\u3001\u7406\u8ad6\u6700\u5927\u30c7\u30fc\u30bf\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306f9.6 Gbps\u3067\u3042\u308b\u3002\u4e0a\u4f4d5\u4e16\u4ee3\u306e\u6bd4\u8f03\uff1a\u7b2c1\u4e16\u4ee3802.11 b\uff08Wi-Fi 1\uff09\u3001\u6700\u901f11 Mbit\/s\u7b2c2\u4e16\u4ee3802.11 a\uff08Wi-Fi 2\uff09\u3001\u6700\u901f54 Mbit\/s\u7b2c3\u4e16\u4ee3802.11 g\uff08Wi-Fi 3\uff09\u3001\u6700\u901f54 Mbit\/s\u7b2c4\u4e16\u4ee3802.11 n\uff08Wi-Fi 4\uff09\u3001\u5358\u6d41\u5e2f\u57df\u5e45\u6700\u901f150 Mbit\/s\u7b2c5\u4e16\u4ee3802.11 ac\uff08Wi-Fi 5\uff09\u3001\u5358\u6d41\u5e2f\u57df\u5e45\u6700\u901f867 Mbit\/s\u76f8\u5bfeWiFi 5\uff08802.11 ac\uff09\u30011.4\u500d\u306b\u5411\u4e0a\u3057\u305f\u3001WiFi 4\uff08802.11 n\uff09\u306b\u5bfe\u3057\u30668\u500d\u306b\u5411\u4e0a\u3002<\/p>\n\n\n\n

\u2461\u822a\u7d9a<\/p>\n\n\n\n

\u3053\u3053\u3067\u306e\u822a\u7d9a\u306f\u3001wifi6\u30eb\u30fc\u30bf\u30fc\u30eb\u30fc\u30bf\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u7aef\u672b\u5411\u3051\u3067\u3059\u3002wifi6\u30eb\u30fc\u30bf\u30fc\u306fTWT\uff08\u76ee\u6a19\u30a6\u30a7\u30a4\u30af\u30a2\u30c3\u30d7\u6642\u9593\uff09\u3092\u63a1\u7528\u3057\u3001\u30eb\u30fc\u30bf\u306f\u7121\u7dda\u7aef\u672b\u306e\u30b9\u30ea\u30fc\u30d7\u3068\u30c7\u30fc\u30bf\u4f1d\u9001\u306e\u6642\u9593\u3092\u7d71\u4e00\u7684\u306b\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u7121\u7dda\u7aef\u672b\u304c\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3001\u53d7\u4fe1\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u3092\u547c\u3073\u899a\u307e\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u591a\u8a2d\u5099\u306e\u7121\u79e9\u5e8f\u306a\u7af6\u4e89\u30c1\u30e3\u30cd\u30eb\u306e\u60c5\u6cc1\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u7121\u7dda\u7aef\u672b\u3092\u7570\u306a\u308bTWT\u5468\u671f\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3001\u30b9\u30ea\u30fc\u30d7\u6642\u9593\u3092\u5897\u52a0\u3057\u3001\u8a2d\u5099\u306e\u96fb\u6c60\u5bff\u547d\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n

\u2462\u9045\u5ef6wifi6\u30eb\u30fc\u30bf\u30fc\u306e\u5e73\u5747\u9045\u5ef6\u306f\uff1a20 ms\u306b\u4f4e\u4e0b\u3057\u3001WiFi 5\u306e\u5e73\u5747\u9045\u5ef6\u306f30 ms\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

2.wifi6\u30eb\u30fc\u30bf\u30fc\u30b3\u30a2\u6280\u8853<\/a><\/p>\n\n\n\n

wifi6\u30eb\u30fc\u30bf\u30fc\u304c\u524d\u306e\u4e16\u4ee3\u306e\u7121\u7dda\u6280\u8853\u3068\u7570\u306a\u308b\u70b9\u306f\u3001MU-MIMO\uff08Multi-UserMultiple-Input Multiple-Output\u3001\u30de\u30eb\u30c1\u30e6\u30fc\u30b6-\u30de\u30eb\u30c1\u5165\u529b\u30de\u30eb\u30c1\u51fa\u529b\uff09\u3068OFDMA\uff08\u76f4\u4ea4\u5468\u6ce2\u6570\u5206\u5272\u591a\u5143\u63a5\u7d9a\u6280\u8853\uff09\u306e2\u3064\u306e\u6280\u8853\u3092\u5c0e\u5165\u307e\u305f\u306f\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3057\u305f\u3053\u3068\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

MU-MIMO<\/p>\n\n\n\n

\u4eca\u3067\u306f\u3001\u5404\u5bb6\u5ead\u3067Wi-Fi\u306b\u63a5\u7d9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30c7\u30d0\u30a4\u30b9\u304c\u5897\u3048\u3066\u304a\u308a\u3001\u540c\u3058Wi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u3067\u30c6\u30ec\u30d3\u3067\u30cf\u30a4\u30d3\u30b8\u30e7\u30f3\u6620\u753b\u3092\u898b\u308b\u3053\u3068\u3067\u3001\u751f\u653e\u9001\u4e2d\u306e\u643a\u5e2f\u96fb\u8a71\u306e\u30ab\u30fc\u30c8\u30f3\u3092\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3002\u30db\u30c6\u30eb\u3067\u98df\u4e8b\u3092\u3057\u3066\u3044\u308b\u3068\u3001Wi-Fi\u4fe1\u53f7\u304c\u3044\u3063\u3071\u3044\u306a\u306e\u306b\u3001\u30cd\u30c3\u30c8\u306e\u901f\u5ea6\u304c\u9045\u304f\u3066\u8010\u3048\u3089\u308c\u306a\u3044\u3002\u306a\u305c\u3060\u308d\u3046\u3002\u7406\u7531\u306f\u7c21\u5358\u3067\u3059\uff1a802.11 ac\u898f\u683c\u306b\u3088\u308b\u3068\u3001AP\uff08\u30eb\u30fc\u30bf\u3001\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\uff09\u306f\u4e00\u5ea6\u306b1\u3064\u306e\u7aef\u672b\u3068\u3057\u304b\u901a\u4fe1\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n

\u540c\u3058\u6642\u523b\u306b\u3001\u540c\u3058Wi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5927\u91cf\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u63a5\u7d9a\u3055\u308c\u308b\u3068\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u9045\u304f\u306a\u308a\u3001\u30ab\u30fc\u30c9\u306b\u306a\u308a\u307e\u3059\u3002100\u53f0\u306e\u8eca\u304c\u540c\u3058\u6642\u9593\u306b\u9053\u8def\u3092\u8d70\u3063\u3066\u3044\u308b\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u304b\u3002<\/p>\n\n\n\n

\u3053\u306e\u554f\u984c\u3092\u5909\u3048\u308b\u65b9\u6cd5\u306f\u3042\u308a\u307e\u3059\u304b\u3002\u7b54\u3048\u306fMU-MIMO\u3067\u3059\u3002<\/p>\n\n\n\n

MU-MIMO\u6280\u8853\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067Wi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u904b\u7528\u65b9\u5f0f\u3092\u5909\u66f4\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8cc7\u6e90\u306e\u5229\u7528\u7387\u3092\u6539\u5584\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u7dcf\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3068\u7dcf\u5bb9\u91cf\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u3001\u7aef\u672b\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901f\u5ea6\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002MU\u2212MIMO\u3068\u306f\u3001\u7121\u7dda\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u30011\u3064\u306e\u57fa\u5730\u5c40\u304c\u8907\u6570\u306e\u79fb\u52d5\u7aef\u672b\u306b\u540c\u6642\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3001\u57fa\u5730\u5c40\u9593\u3067\u30a2\u30f3\u30c6\u30ca\u306e\u7a7a\u57df\u30ea\u30bd\u30fc\u30b9\u3092\u5341\u5206\u306b\u5229\u7528\u3057\u3066\u8907\u6570\u306e\u30e6\u30fc\u30b6\u3068\u540c\u6642\u306b\u901a\u4fe1\u3092\u884c\u3046\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002<\/p>\n\n\n\n

WiFi 5\u306f\u4e0b\u308a\u306bMU-MIMO\u6280\u8853\u3092\u7528\u3044\u3001wifi6\u30eb\u30fc\u30bf\u30fc\u306fWiFi 5\u304c\u3082\u305f\u3089\u3057\u305fMU-MIMO\uff08\u30de\u30eb\u30c1\u30e6\u30fc\u30b6\u30de\u30eb\u30c1\u5165\u529b\u30de\u30eb\u30c1\u51fa\u529b\u30b7\u30b9\u30c6\u30e0\uff09\u3092\u7d99\u7d9a\u3057\u3066\u3044\u308b\u304c\u3001wifi6\u30eb\u30fc\u30bf\u30fc\u306f\u5b8c\u5168\u7248\u306eMU-MIMO\u6280\u8853\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u4e0a\u4e0b\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u30018\u3064\u306e\u7aef\u672b\u88c5\u7f6e\u3092\u4e00\u5ea6\u306b\u540c\u6642\u306b\u652f\u3048\u3066\u3088\u308a\u591a\u304f\u306e\u30c7\u30fc\u30bf\u3092\u4e0a\u308a\/\u4e0b\u308a\u3067\u4f1d\u9001\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001WiFi 5\u306e2\u500d\u3067\u3042\u308b\u3002wifi6\u30eb\u30fc\u30bf\u30fc\u306f\u30eb\u30fc\u30bf\u306b\u30de\u30eb\u30c1\u30a2\u30f3\u30c6\u30ca\u3092\u5229\u7528\u3057\u3066\u8907\u6570\u306e\u7aef\u672b\u6a5f\u5668\u3068\u540c\u6642\u306b\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u53d6\u308a\u3001\u300c\u4e00\u5fc3\u306b\u591a\u7528\u3059\u308b\u300d\u3053\u3068\u3092\u53ef\u80fd\u306b\u3059\u308b\u3002MU-MIMO\u306f\u3001\u5358\u4e00\u30a2\u30f3\u30c6\u30ca\u306e\u5358\u4e00\u30c7\u30d0\u30a4\u30b9\u3057\u304b\u540c\u6642\u306b\u901a\u4fe1\u3067\u304d\u306a\u304b\u3063\u305f\u5f93\u6765\u306e\u8a2d\u8a08\u3088\u308a\u3082\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u3001\u3088\u308a\u591a\u304f\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u63a5\u7d9a\u3059\u308b\u30cb\u30fc\u30ba\u306b\u9069\u4efb\u3067\u3059\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

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