{"id":101782,"date":"2025-03-05T11:07:32","date_gmt":"2025-03-05T03:07:32","guid":{"rendered":"\/\/www.viralrail.com\/?p=101782"},"modified":"2025-03-05T11:07:35","modified_gmt":"2025-03-05T03:07:35","slug":"njsdtd-4","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/101782.html","title":{"rendered":"NB-IoT\u6280\u672f\u7684\u7279\u70b9"},"content":{"rendered":"\n

\u3000\u3000NB-IoT<\/strong>(\u7a84\u5e26\u7269\u8054\u7f51)\u4f5c\u4e3a\u4e13\u4e3a\u7269\u8054\u7f51\u8bbe\u8ba1\u7684\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u6280\u672f\uff0c\u5177\u5907\u4ee5\u4e0b\u6838\u5fc3\u7279\u70b9\uff1a<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong><\/h2>\n\n\n\n

\u3000\u3000\u8d85\u957f\u7535\u6c60\u5bff\u547d<\/strong><\/p>\n\n\n\n

\u3000\u3000NB-IoT\u901a\u8fc7PSM(Power Saving Mode\uff0c\u8282\u80fd\u6a21\u5f0f)\u548ceDRX(\u6269\u5c55\u4e0d\u8fde\u7eed\u63a5\u6536)\u6280\u672f\u5927\u5e45\u964d\u4f4e\u7ec8\u7aef\u529f\u8017\u3002\u8bbe\u5907\u5728\u5927\u90e8\u5206\u65f6\u95f4\u5904\u4e8e\u6df1\u5ea6\u4f11\u7720\u72b6\u6001\uff0c\u4ec5\u5728\u9700\u8981\u4f20\u8f93\u6570\u636e\u65f6\u5524\u9192\uff0c\u7535\u6c60\u5bff\u547d\u53ef\u8fbe5-10\u5e74\uff0c\u751a\u81f3\u6bcf\u5929\u4f20\u8f93200\u5b57\u8282\u7684\u60c5\u51b5\u4e0b\u4ecd\u80fd\u7ef4\u630110\u5e74\u7eed\u822a\u3002<\/p>\n\n\n\n

\u3000\u3000PSM\u6a21\u5f0f<\/strong>\uff1a\u9002\u7528\u4e8e\u5bf9\u4e0b\u884c\u6570\u636e\u65e0\u5b9e\u65f6\u6027\u8981\u6c42\u7684\u573a\u666f(\u5982\u667a\u80fd\u6c34\u8868)\uff0c\u7ec8\u7aef\u4f11\u7720\u671f\u95f4\u4ec5\u4fdd\u6301\u6781\u4f4e\u529f\u8017(\u7ea66.7\u03bcA)\u3002<\/p>\n\n\n\n

\u3000\u3000eDRX\u6a21\u5f0f<\/strong>\uff1a\u5e73\u8861\u529f\u8017\u4e0e\u54cd\u5e94\u901f\u5ea6\uff0c\u652f\u6301\u5468\u671f\u6027\u5524\u9192\u63a5\u6536\u6570\u636e\uff0c\u9002\u7528\u4e8e\u9700\u4e00\u5b9a\u5b9e\u65f6\u6027\u7684\u5e94\u7528(\u5982\u73af\u5883\u76d1\u6d4b)\u3002<\/p>\n\n\n\n

\u3000\u3000\u9ad8\u6548\u80fd\u8017\u7ba1\u7406<\/strong><\/p>\n\n\n\n

\u3000\u3000\u7ec8\u7aef99%\u7684\u65f6\u95f4\u5904\u4e8e\u8282\u80fd\u6a21\u5f0f\uff0c\u4ec5\u6d88\u8017\u5fae\u74e6\u7ea7\u7535\u6d41\uff0c\u663e\u8457\u5ef6\u957f\u8bbe\u5907\u90e8\u7f72\u5468\u671f\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001\u5e7f\u8986\u76d6\u4e0e\u5f3a\u7a7f\u900f\u80fd\u529b<\/strong><\/h2>\n\n\n\n

\u3000\u3000\u8986\u76d6\u8303\u56f4\u6269\u5c55<\/strong><\/p>\n\n\n\n

\u3000\u3000\u6700\u5927\u8026\u5408\u635f\u8017(MCL)\u8fbe164 dB\uff0c\u6bd4\u4f20\u7edfLTE\u7f51\u7edc\u589e\u5f3a20dB\uff0c\u8986\u76d6\u80fd\u529b\u63d0\u5347100\u500d\u3002<\/p>\n\n\n\n

\u3000\u3000\u901a\u4fe1\u8ddd\u79bb\u53ef\u8fbe15\u516c\u91cc\uff0c\u53ef\u7a7f\u900f3\u5c42\u6c34\u6ce5\u5899\u6216\u5730\u4e0b\u5ba4\u7b49\u590d\u6742\u73af\u5883\uff0c\u9002\u5408\u5730\u4e0b\u7ba1\u7f51\u3001\u519c\u4e1a\u5927\u68da\u7b49\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000\u6297\u5e72\u6270\u6280\u672f<\/strong><\/p>\n\n\n\n

\u3000\u3000\u91c7\u7528\u91cd\u590d\u4f20\u8f93\u3001\u4f4e\u9636\u8c03\u5236(\u5982QPSK)\u548cTurbo\u7f16\u7801\u6280\u672f\uff0c\u63d0\u5347\u4fe1\u53f7\u5728\u5f31\u8986\u76d6\u533a\u57df\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001\u5927\u5bb9\u91cf\u8fde\u63a5<\/strong><\/h2>\n\n\n\n

\u3000\u3000\u6d77\u91cf\u8bbe\u5907\u652f\u6301<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5355\u5c0f\u533a\u57fa\u7ad9\u53ef\u652f\u63015\u4e07\u81f310\u4e07\u4e2a\u7ec8\u7aef\u8fde\u63a5\uff0c\u662f\u4f20\u7edf\u65e0\u7ebf\u6280\u672f\u768450-100\u500d\uff0c\u6ee1\u8db3\u667a\u6167\u57ce\u5e02\u3001\u5de5\u4e1a\u7269\u8054\u7f51\u7b49\u5927\u89c4\u6a21\u90e8\u7f72\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000\u6280\u672f\u5b9e\u73b0<\/strong>\uff1a\u901a\u8fc7\u7a84\u5e26\u8bbe\u8ba1(180kHz\u5e26\u5bbd)\u548c\u7b80\u5316\u534f\u8bae\u6808\u51cf\u5c11\u8d44\u6e90\u5360\u7528\uff0c\u63d0\u5347\u9891\u8c31\u5229\u7528\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001\u4f4e\u6210\u672c\u4f18\u52bf<\/strong><\/h2>\n\n\n\n

\u3000\u3000\u7ec8\u7aef\u6210\u672c\u4f4e<\/strong><\/p>\n\n\n\n

\u3000\u3000\u91c7\u7528\u5355\u5929\u7ebf\u3001\u534a\u53cc\u5de5\u6a21\u5f0f\uff0c\u57fa\u5e26\u590d\u6742\u5ea6\u964d\u4f4e\uff0c\u6a21\u5757\u6210\u672c\u53ef\u63a7\u5236\u57285\u7f8e\u5143\u4ee5\u4e0b\u3002<\/p>\n\n\n\n

\u3000\u3000\u88c1\u526a\u5197\u4f59\u529f\u80fd(\u5982SRVCC\u3001IMS)\uff0c\u96c6\u6210SoC\u82af\u7247\u8fdb\u4e00\u6b65\u538b\u7f29\u786c\u4ef6\u6210\u672c\u3002<\/p>\n\n\n\n

\u3000\u3000\u90e8\u7f72\u6210\u672c\u4f4e<\/strong><\/p>\n\n\n\n

\u3000\u3000\u53ef\u590d\u7528\u73b0\u6709LTE\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd\uff0c\u652f\u6301\u72ec\u7acb\u90e8\u7f72\u3001\u4fdd\u62a4\u5e26\u90e8\u7f72\u548c\u5e26\u5185\u90e8\u7f72\u4e09\u79cd\u6a21\u5f0f\uff0c\u964d\u4f4e\u8fd0\u8425\u5546\u5347\u7ea7\u6210\u672c\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e94\u3001\u6280\u672f\u6807\u51c6\u4e0e\u6f14\u8fdb<\/strong><\/h2>\n\n\n\n

\u3000\u3000\u6807\u51c6\u5316\u8fdb\u7a0b<\/strong><\/p>\n\n\n\n

\u3000\u3000\u75313GPP\u4e3b\u5bfc\uff0c2016\u5e74\u5b8c\u6210\u6838\u5fc3\u534f\u8bae\u51bb\u7ed3\uff0c2020\u5e74\u6b63\u5f0f\u7eb3\u51655G\u56fd\u9645\u6807\u51c6(IMT-2020)\uff0c\u6210\u4e3amMTC(\u5927\u89c4\u6a21\u673a\u5668\u901a\u4fe1)\u573a\u666f\u7684\u6838\u5fc3\u6280\u672f\u3002<\/p>\n\n\n\n

\u3000\u3000\u6f14\u8fdb\u65b9\u5411\uff1aR14\u7248\u672c\u63d0\u5347\u4f20\u8f93\u901f\u7387(\u4e0a\u884c154kbps\uff0c\u4e0b\u884c100kbps)\uff0cR15\/R16\u652f\u6301\u63a5\u51655G\u6838\u5fc3\u7f51\uff0cR17\u8fdb\u4e00\u6b65\u4f18\u5316\u79fb\u52a8\u6027\u548c\u901f\u7387(\u8fbe200kbps)\u3002<\/p>\n\n\n\n

\u3000\u3000\u5b89\u5168\u6027\u4e0e\u517c\u5bb9\u6027<\/strong><\/p>\n\n\n\n

\u3000\u3000\u57fa\u4e8eLTE\u52a0\u5bc6\u673a\u5236\uff0c\u63d0\u4f9b\u4e0e4G\/5G\u76f8\u540c\u7684\u5b89\u5168\u7ea7\u522b\u3002<\/p>\n\n\n\n

\u3000\u3000\u517c\u5bb9MQTT\u3001CoAP\u3001LWM2M\u7b49\u8f7b\u91cf\u7ea7\u534f\u8bae\uff0c\u9002\u914d\u591a\u79cd\u7269\u8054\u7f51\u5e73\u53f0(\u5982\u534e\u4e3a\u3001\u963f\u91cc\u4e91)\u3002<\/p>\n\n\n\n

\u3000\u3000\u516d\u3001\u5e94\u7528\u573a\u666f\u9002\u914d\u6027<\/strong><\/h2>\n\n\n\n

\u3000\u3000\u5178\u578b\u5e94\u7528\u9886\u57df<\/strong><\/p>\n\n\n\n

\u3000\u3000\u667a\u6167\u57ce\u5e02<\/strong>\uff1a\u667a\u80fd\u8def\u706f\u3001\u4e95\u76d6\u76d1\u6d4b\u3001\u5783\u573e\u6876\u72b6\u6001\u7ba1\u7406\u3002<\/p>\n\n\n\n

\u3000\u3000\u516c\u7528\u4e8b\u4e1a<\/strong>\uff1a\u8fdc\u7a0b\u6284\u8868(\u6c34\/\u7535\/\u6c14\u8868)\uff0c\u8fde\u63a5\u6570\u5df2\u8d85\u5343\u4e07\u7ea7\u3002<\/p>\n\n\n\n

\u3000\u3000\u7269\u6d41\u4e0e\u8d44\u4ea7\u8ffd\u8e2a<\/strong>\uff1a\u8d27\u7269\u4f4d\u7f6e\u76d1\u63a7\u3001\u51b7\u94fe\u8fd0\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u519c\u4e1a\u4e0e\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u571f\u58e4\u6e7f\u5ea6\u3001\u7a7a\u6c14\u8d28\u91cf\u5b9e\u65f6\u91c7\u96c6\u3002<\/p>\n\n\n\n

\u3000\u3000\u5c40\u9650\u6027<\/strong><\/p>\n\n\n\n

\u3000\u3000\u9002\u7528\u4e8e\u4f4e\u9891\u6b21\u3001\u5c0f\u6570\u636e\u91cf(\u5355\u5305\u22641600\u5b57\u8282)\u3001\u9ad8\u5ef6\u8fdf\u5bb9\u5fcd(\u4e0a\u884c\u5ef6\u8fdf\u53ef\u8fbe10\u79d2)\u7684\u573a\u666f\uff0c\u4e0d\u9002\u7528\u4e8e\u5b9e\u65f6\u89c6\u9891\u6216\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e03\u3001\u4e0e\u5176\u4ed6LPWAN\u6280\u672f\u7684\u5bf9\u6bd4<\/strong><\/h2>\n\n\n\n

\u3000\u3000\u4e0eLoRa\u3001Sigfox\u76f8\u6bd4\uff0cNB-IoT\u7684\u4f18\u52bf\u5728\u4e8e\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u6388\u6743\u9891\u6bb5<\/strong>\uff1a\u907f\u514dISM\u9891\u6bb5\u5e72\u6270\uff0c\u53ef\u9760\u6027\u66f4\u9ad8\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u8fd0\u8425\u5546\u652f\u6301<\/strong>\uff1a\u4f9d\u6258\u8702\u7a9d\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd\uff0c\u8986\u76d6\u66f4\u5e7f\u4e14\u6613\u4e8e\u6269\u5c55\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u6807\u51c6\u5316\u7a0b\u5ea6<\/strong>\uff1a\u4f5c\u4e3a3GPP\u548c5G\u6807\u51c6\u7684\u4e00\u90e8\u5206\uff0c\u4ea7\u4e1a\u94fe\u6210\u719f\u5ea6\u66f4\u9ad8\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000NB-IoT\u51ed\u501f\u4f4e\u529f\u8017\u3001\u5e7f\u8986\u76d6\u3001\u5927\u5bb9\u91cf\u548c\u4f4e\u6210\u672c\u7684\u6838\u5fc3\u4f18\u52bf\uff0c\u5df2\u6210\u4e3a\u7269\u8054\u7f51\u4e2d\u4f4e\u901f\u573a\u666f\u7684\u4e3b\u6d41\u6280\u672f\u3002\u968f\u77405G\u6807\u51c6\u7684\u6301\u7eed\u63a8\u8fdb\u548cR17\u7248\u672c\u7684\u843d\u5730\uff0c\u5176\u5728\u9ad8\u5e76\u53d1\u3001\u79fb\u52a8\u6027\u652f\u6301\u7b49\u65b9\u9762\u7684\u80fd\u529b\u5c06\u8fdb\u4e00\u6b65\u63d0\u5347\uff0c\u63a8\u52a8\u667a\u6167\u57ce\u5e02\u3001\u5de5\u4e1a4.0\u7b49\u9886\u57df\u7684\u6df1\u5ea6\u5e94\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    NB-IoT(\u7a84\u5e26\u7269\u8054\u7f51)\u4f5c\u4e3a\u4e13\u4e3a\u7269\u8054\u7f51\u8bbe\u8ba1\u7684\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u6280\u672f\uff0c\u5177\u5907\u4ee5\u4e0b\u6838\u5fc3\u7279\u70b9<\/p>\n","protected":false},"author":1,"featured_media":101087,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[42],"class_list":["post-101782","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-n"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/101782","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=101782"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/101782\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/101087"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=101782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=101782"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=101782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}