\u643a\u5e2f\u3092\u4f7f\u3046\u6642\u306b\u3088\u304f “3G” \u3084 “4G” \u3068\u3044\u3046\u8a00\u8449\u3092\u805e\u304d\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u8a00\u3046 “G” \u3068\u306f\u306a\u3093\u3067\u3057\u3087\u3046\u304b\u30fb\u30fb\u30fb\uff1f<\/p>\n\n\n\n
\u3053\u308c\u306f\u3001Generation\u306e\u610f\u5473\u3067\u3001\u4e16\u4ee3\u6570\u3092\u3055\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u305d\u308c\u3067\u306f\u3001\u7c21\u5358\u306b1G\uff5e5G\u306e\u6280\u8853\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u3066\u307f\u3088\u3046\u3068\u601d\u3044\u307e\u3059\uff01<\/p>\n\n\n\n
1980\u5e74\u4ee3\u306b\u5236\u5b9a\u3055\u308c\u30011990\u5e74\u4ee3\u306b\u5b8c\u6210\u3055\u308c\u305f\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n
\u521d\u3081\u3066\u5b9f\u7528\u5316\u3055\u308c\u305f\u30a2\u30ca\u30ed\u30b0\u65b9\u5f0f\u306e\u643a\u5e2f\u96fb\u8a71\u306b\u63a1\u7528\u3055\u308c\u3066\u3044\u308b\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u3053\u3068\u3067\u3001\u97f3\u58f0\u306e\u901a\u4fe1\u3057\u304b\u3067\u304d\u307e\u305b\u3093\u3002\u7279\u5fb4\u3068\u3057\u3066\u306f\u3001\u5c11\u306a\u3044\u901a\u4fe1\u91cf\u3001\u54c1\u8cea\u306e\u4f4e\u3055\u3001\u5b89\u5168\u6027\u306e\u4f4e\u3055\u3001\u30b9\u30d4\u30fc\u30c9\u306e\u9045\u3055\u306a\u3069\u3001\u3001\u3001\u3042\u307e\u308a\u805e\u3053\u3048\u304c\u3088\u304f\u306a\u3044\u3067\u3059\u306d\u3002\u4eca\u306f\u307b\u307c\u4f7f\u308f\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
1993\u5e74\u306b\u767b\u5834\u3057\u305f\u30c7\u30b8\u30bf\u30eb\u65b9\u5f0f\u306e\u79fb\u52d5\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u3053\u3068\u3067\u3001TDMA\u304b\u3089\u767a\u5c55\u3055\u308c\u305fGSM\u3092\u4ee3\u8868\u3068\u3059\u308b\u6280\u8853\u3068CDMA\u898f\u683c\u306e2\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
GSM\u306f\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u79fb\u52d5\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\uff08Global System for Mobile communications\uff09\u306e\u7565\u79f0\u3067\u3001\u6b27\u5dde\u96fb\u6c17\u901a\u4fe1\u6a19\u6e96\u5316\u6a5f\u69cb\uff08ETSI\uff09\u304c\u958b\u767a\u3057\u305f\u30c7\u30b8\u30bf\u30eb\u79fb\u52d5\u901a\u4fe1\u306e\u6a19\u6e96\u65b9\u5f0f\u3067\u3059\u3002GPRS\u3084EDGE\u6280\u8853\u306e\u5c0e\u5165\u306b\u4f34\u3044\u3001GSM\u306fPC\u306b\u63a5\u7d9a\u3057\u3066\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901a\u4fe1\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
1990\u5e74\u4ee3\u4e2d\u671f\u306b\u5546\u7528\u5316\u3055\u308c\u3066\u4ee5\u964d\u3001\u30e8\u30fc\u30ed\u30c3\u30d1\u3084\u30a2\u30b8\u30a2\u3092\u4e2d\u5fc3\u306b100\u30ab\u56fd\u4ee5\u4e0a\u3067\u5229\u7528\u3055\u308c\u3066\u304a\u308a\u30012G\u306e\u643a\u5e2f\u96fb\u8a71\u306b\u304a\u3044\u3066\u306f\u4e8b\u5b9f\u4e0a\u306e\u4e16\u754c\u6a19\u6e96\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
2G\u306e\u6280\u8853\u306e\u9032\u6b69\u306f\u8457\u3057\u3044\u3082\u306e\u304c\u3042\u308a\u307e\u3057\u305f\u304c\u3001\u30e6\u30fc\u30b6\u306e\u5897\u52a0\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u898f\u6a21\u306e\u62e1\u5927\u306b\u4f34\u3044\u3001\u5468\u6ce2\u30ea\u30bd\u30fc\u30b9\u304c\u67af\u6e07\u3002\u97f3\u58f0\u54c1\u8cea\u306f\u30e6\u30fc\u30b6\u306e\u6e80\u8db3\u5ea6\u3092\u6e80\u305f\u305b\u305a\u3001\u901a\u4fe1\u30b9\u30d4\u30fc\u30c9\u3082\u9045\u304f\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u4e2d\u56fd\u79fb\u52d5\u306f\u3001\u4eca\u5e74\u306e\u682a\u4e3b\u7dcf\u4f1a\u30672G\u306eNW\u5897\u8a2d\u306b\u5bfe\u3057\u3066\u306e\u6295\u8cc7\u3092\u6b62\u3081\u308b\u3068\u767a\u8868\u3057\u307e\u3057\u305f\u3002\u4eca\u5f8c\u306f\u4e3b\u306b3G\u30fb4G\u306b\u6ce8\u529b\u3059\u308b\u4e88\u5b9a\u3067\u3059\u304c\u3001\u4e2d\u56fd\u306e7.5\u5104\u3082\u306e2G\u30e6\u30fc\u30b6\u30923G\u30fb4G\u3078\u79fb\u884c\u3055\u305b\u308b\u306e\u306b\u304b\u306a\u308a\u306e\u52b4\u529b\u3068\u6642\u9593\u3092\u8981\u3059\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u5168\u4e16\u754c\u7684\u306b\u898b\u3066\u3082\u3001\u5404\u901a\u4fe1\u4e8b\u696d\u8005\u306f2G\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b5\u30fc\u30d3\u30b9\u3092\u7d42\u4e86\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u56fd\u969b\u96fb\u6c17\u901a\u4fe1\u9023\u5408 (ITU) \u304c\u5b9a\u3081\u308b\u300cIMT-2000\u300d (International Mobile Telecommunication 2000) \u898f\u683c\u306b\u6e96\u62e0\u3057\u305f\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u3053\u3068\u3067\u3001\u9ad8\u901f\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30bb\u30eb\u30e9\u79fb\u52d5\u901a\u4fe1\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n
2009\u5e741\u67087\u65e5\u306b\u3001\u4e2d\u56fd\u3067\u306f3\u3064\u306e3G\u30e9\u30a4\u30bb\u30f3\u30b9\u304c\u540c\u6642\u306b\u767a\u884c\u3055\u308c\u307e\u3057\u305f\u3002\u4e2d\u56fd\u96fb\u4fe1\u306eCDMA2000\u3001\u4e2d\u56fd\u9023\u901a\u306eW-CDMA\u3001\u4e2d\u56fd\u79fb\u52d5\u306eTD-SCDMA\u3067\u3059\u3002<\/p>\n\n\n\n
\u4e2d\u56fd\u60c5\u5831\u7523\u696d\u90e8\u306e\u300cPPTN\u300d\u306e\u5831\u9053\u306b\u3088\u308b\u3068\u30012013\u5e74\u672b\u307e\u3067\u306b\u4e2d\u56fd\u306e\u643a\u5e2f\u30e6\u30fc\u30b6\u6570\u306f12\u5104\u3092\u8d85\u3048\u307e\u3057\u305f\u3002\u305d\u306e\u4e2d\u30673G\u306e\u30e6\u30fc\u30b6\u6570\u306f4\u5104\u306b\u9054\u3057\u3066\u3044\u308b\u305d\u3046\u3067\u3059\u3002<\/p>\n\n\n\n
3G\u30e6\u30fc\u30b6\u306e\u5272\u5408\u306f2013\u5e74\u59cb\u3081\u306b\u306f23.2%\u3067\u3057\u305f\u304c\u30012013\u5e74\u672b\u306b\u306f36.1%\u307e\u3067\u4e0a\u304c\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u307e\u3060\u307e\u3060\u4e2d\u56fd\u306e3G\u6280\u8853\u306f\u306e\u7814\u7a76\u306f\u9032\u3093\u3067\u3044\u307e\u3059\u30024G\u767b\u5834\u306b\u3088\u308b\u885d\u7a81\u306b\u5bfe\u3057\u3066\u3069\u3093\u306a\u52d5\u304d\u3092\u3068\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n
\u56fd\u969b\u96fb\u6c17\u901a\u4fe1\u9023\u5408 (ITU) \u304c\u5b9a\u3081\u308b IMT-Advanced \u898f\u683c\u306b\u6e96\u62e0\u3059\u308b\u7121\u7dda\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u3053\u3068\u3067\u3001TD-LTE\u3068FDD-LTE\u306e2\u3064\u306e\u65b9\u5f0f\u304c\u3042\u308a\u307e\u3059\u3002LTE\u306f\u30013G\u306e\u63a5\u7d9a\u6280\u8853\u3092\u5897\u5f37\u3057\u305f\u30013G\u304b\u3089\u9032\u5316\u3057\u305f\u6280\u8853\u306a\u306e\u3067\u30013.9G\u3068\u3082\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
LTE\u3092\u79fb\u52d5\u901a\u4fe1\u306e3.9G\u3068\u8a00\u3046\u306a\u3089\u3070\u3001LTE-Advanced\u3053\u305d4G\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002LTE-Advanced\u306fLTE\u304b\u3089\u9032\u5316\u3057\u305f\u6280\u8853\u3067\u3001LTE\u3068\u306e\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
2013\u5e7412\u67084\u65e5\u3001\u4e2d\u56fd\u5de5\u696d\u60c5\u5831\u5316\u90e8\u306f3\u5927\u901a\u4fe1\u4e8b\u696d\u8005\uff08\u79fb\u52d5\u3001\u9023\u901a\u3001\u96fb\u4fe1\uff09\u306b4G\u30e9\u30a4\u30bb\u30f3\u30b9\u3092\u767a\u884c\u3057\u307e\u3057\u305f\u3002\u5404\u901a\u4fe1\u4e8b\u696d\u8005\u306f4G\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u7bc9\u3092\u63a8\u9032\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u4e2d\u56fd\u79fb\u52d5\u306e4G\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5c55\u958b\u3059\u308b\u30b9\u30d4\u30fc\u30c9\u304c\u4e00\u756a\u901f\u304f\u3001\u3059\u3067\u306b300\u306e\u90fd\u5e02\u3067\u958b\u901a\u3057\u307e\u3057\u305f\u3002\u4eca\u5e748\u6708\u306b\u306f332\u90fd\u5e02\u306b\u9054\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002\u4e2d\u56fd\u9023\u901a\u306f\u300125\u90fd\u5e02\u3067\u5c55\u958b\u3057\u3066\u3044\u3066\u3001\u4eca\u5e74\u306e\u672b\u307e\u3067\u306b300\u90fd\u5e02\u3067\u5c55\u958b\u3059\u308b\u898b\u8fbc\u307f\u3067\u3059\u3002<\/p>\n\n\n\n
4G\u306e\u6b21\u306e\u79fb\u52d5\u901a\u4fe1\u6280\u8853\u3067\u3059\u3002\u307e\u3060\u7814\u7a76\u9014\u4e2d\u3067\u57fa\u6e96\u304c\u3042\u308a\u307e\u305b\u3093\u3002
\u4e2d\u56fd\u306e3\u5927\u901a\u4fe1\u4e8b\u696d\u8005\uff08\u96fb\u4fe1\u3001\u9023\u901a\u3001\u79fb\u52d5\uff09\u3001HUAWEI\u3001SAMSUNG\u3001NTT\u306a\u3069\u306f\u3001\u3059\u3067\u306b\u7814\u7a76\u306b\u53d6\u308a\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u79c1\u81ea\u8eab\u306f\u3001\u4e2d\u56fd\u79fb\u52d5\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002\u306a\u305c\u304b\u3068\u8a00\u3046\u3068\u3001\u4e2d\u56fd\u79fb\u52d5\u306eGSM\u4fe1\u53f7\u306f\u4e2d\u56fd\u5168\u56fd\u306e\u5e83\u7bc4\u56f2\u3092\u30ab\u30d0\u30fc\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u3069\u3053\u3067\u3082\u5b89\u5fc3\u3057\u3066\u96fb\u8a71\u3067\u304d\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n\n
\u3067\u3059\u304c\u30013G\u4e16\u4ee3\u306b\u5165\u3063\u3066\u304b\u3089\u3001\u3084\u306f\u308a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3078\u306e\u30a2\u30af\u30bb\u30b9\u30b9\u30d4\u30fc\u30c9\u306e\u9045\u3055\u3092\u5b9f\u611f\u3057\u307e\u3057\u305f\u3002\u5b9f\u306f\u3001\u4e2d\u56fd\u79fb\u52d5\u306e3G\u306f\u3001\u4e16\u754c\u6a19\u6e96\uff08WCDMA\u3001CDMA2000\uff09\u3067\u306f\u306a\u304f\u3001\u72ec\u81ea\u958b\u767a\u3057\u305fTD-SCDMA\u3068\u3044\u3046\u6280\u8853\u3067\u30012.5G\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u30b9\u30d4\u30fc\u30c9\u304c\u9045\u3044\u3053\u3068\u306f\u30c7\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u304c\u3001GSM\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u3042\u308b\u307b\u3068\u3093\u3069\u306e\u5834\u6240\u3067\u901a\u4fe1\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4e00\u90e8\u306e\u5730\u4e0b\u9244\u3084\u90fd\u5e02\u90e8\u304b\u3089\u96e2\u308c\u305f\u5730\u57df\u306a\u3093\u304b\u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
4G\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001SIM\u30ab\u30fc\u30c9\u3060\u3051\u3067\u306f\u306a\u304f\u643a\u5e2f\u7aef\u672b\u3082\u4ea4\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u30014G\u306e\u9ad8\u3044\u901a\u4fe1\u54c1\u8cea\u3001\u901f\u3044\u8ee2\u9001\u901f\u5ea6\u306b\u306f\u60f9\u304b\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\u4eca\u65e5\u306e\u8a18\u4e8b\u306f\u3053\u306e\u3042\u305f\u308a\u3067\u7d42\u308f\u308a\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u305d\u308c\u3067\u306f\u307e\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u643a\u5e2f\u3092\u4f7f\u3046\u6642\u306b\u3088\u304f “3G” \u3084 “4G” \u3068\u3044\u3046\u8a00\u8449\u3092\u805e\u304d\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u8a00\u3046 “G” \u3068\u306f\u306a\u3093\u3067\u3057\u3087\u3046\u304b\u30fb\u30fb\u30fb\uff1f \u3053\u308c\u306f\u3001Generation\u306e\u610f […]<\/p>\n","protected":false},"author":1,"featured_media":283,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[11],"tags":[3,9,113],"class_list":["post-95","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-china-it","tag-3","tag-9","tag-china-internet"],"_links":{"self":[{"href":"https:\/\/ci.clara.jp\/media\/index.php?rest_route=\/wp\/v2\/posts\/95","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ci.clara.jp\/media\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ci.clara.jp\/media\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ci.clara.jp\/media\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ci.clara.jp\/media\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=95"}],"version-history":[{"count":2,"href":"https:\/\/ci.clara.jp\/media\/index.php?rest_route=\/wp\/v2\/posts\/95\/revisions"}],"predecessor-version":[{"id":11324,"href":"https:\/\/ci.clara.jp\/media\/index.php?rest_route=\/wp\/v2\/posts\/95\/revisions\/11324"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ci.clara.jp\/media\/index.php?rest_route=\/wp\/v2\/media\/283"}],"wp:attachment":[{"href":"https:\/\/ci.clara.jp\/media\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=95"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ci.clara.jp\/media\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=95"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ci.clara.jp\/media\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=95"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}