{"id":96800,"date":"2024-08-14T13:16:36","date_gmt":"2024-08-14T05:16:36","guid":{"rendered":"\/\/www.viralrail.com\/?p=96800"},"modified":"2024-08-14T13:16:40","modified_gmt":"2024-08-14T05:16:40","slug":"nwxtxmkdzyjj","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/96800.html","title":{"rendered":"NB-IoT\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u4f5c\u7528\u7b80\u4ecb"},"content":{"rendered":"\n<p>\u3000\u3000<strong><a href=\"\/\/www.viralrail.com\/blog\/89683.html\" data-type=\"post\" data-id=\"89683\">NB-IoT\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757<\/a><\/strong>\u662f\u4e00\u79cd\u4e13\u4e3a\u7269\u8054\u7f51(IoT)\u8bbe\u8ba1\u7684\u4f4e\u529f\u8017\u3001\u5e7f\u8986\u76d6\u3001\u4f4e\u6210\u672c\u7684\u901a\u4fe1\u6280\u672f\u3002\u5176\u4e3b\u8981\u4f5c\u7528\u662f\u652f\u6301\u5927\u91cf\u4f4e\u529f\u8017\u8bbe\u5907\u5728\u5e7f\u57df\u7f51\u4e2d\u7684\u6570\u636e\u8fde\u63a5\uff0c\u9002\u7528\u4e8e\u9700\u8981\u957f\u8ddd\u79bb\u4f20\u8f93\u548c\u957f\u65f6\u95f4\u5f85\u673a\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0c<a href=\"\/\/www.viralrail.com\/blog\/95065.html\" data-type=\"post\" data-id=\"95065\">NB-IoT<\/a>\u901a\u8fc7\u7a84\u5e26\u8c03\u5236\u65b9\u6848\u548c\u591a\u5740\u63a5\u5165\u6280\u672f\uff0c\u5b9e\u73b0\u4e86\u9ad8\u6548\u7684\u901a\u4fe1\u89e3\u51b3\u65b9\u6848\u3002\u5b83\u91c7\u7528OFDM(\u6b63\u4ea4\u9891\u5206\u590d\u7528)\u6280\u672f\u548cMIMO(\u591a\u8f93\u5165\u591a\u8f93\u51fa)\u6280\u672f\uff0c\u5c06\u6574\u4e2a\u9891\u5e26\u5206\u6210\u591a\u4e2a\u5b50\u8f7d\u6ce2\uff0c\u6bcf\u4e2a\u5b50\u8f7d\u6ce2\u7528\u4e8e\u4f20\u8f93\u4e0d\u540c\u7684\u6570\u636e\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u8986\u76d6\u80fd\u529b\u548c\u8fde\u63a5\u5bc6\u5ea6\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u5177\u6709\u4ee5\u4e0b\u5173\u952e\u7279\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017<\/strong>\uff1aNB-IoT\u8bbe\u5907\u53ef\u4ee5\u5728\u5f85\u673a\u72b6\u6001\u4e0b\u5de5\u4f5c\u6570\u5e74\u751a\u81f3\u5341\u5e74\uff0c\u6781\u5927\u5730\u964d\u4f4e\u4e86\u7ef4\u62a4\u6210\u672c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e7f\u8986\u76d6<\/strong>\uff1aNB-IoT\u80fd\u591f\u63d0\u4f9b\u6df1\u5ea6\u5ba4\u5185\u7a7f\u900f\u6027\u80fd\uff0c\u8986\u76d6\u8303\u56f4\u8fdc\u8d85\u4f20\u7edf\u8702\u7a9d\u7f51\u7edc\uff0c\u53ef\u4ee5\u5230\u8fbe\u5730\u4e0b\u5ba4\u7b49\u4fe1\u53f7\u76f2\u533a\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u53ef\u9760\u6027<\/strong>\uff1aNB-IoT\u652f\u6301\u7aef\u5230\u7aef\u7684\u6570\u636e\u4f20\u8f93\u548cIPv6\u534f\u8bae\uff0c\u786e\u4fdd\u4e86\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5927\u89c4\u6a21\u8fde\u63a5<\/strong>\uff1aNB-IoT\u53ef\u4ee5\u540c\u65f6\u652f\u6301\u6570\u767e\u4e07\u4e2a\u8bbe\u5907\u7684\u8fde\u63a5\uff0c\u975e\u5e38\u9002\u5408\u5927\u89c4\u6a21\u7269\u8054\u7f51\u5e94\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cNB-IoT\u6a21\u5757\u8fd8\u652f\u6301\u591a\u79cd\u7f51\u7edc\u534f\u8bae\u6808\uff0c\u5982UDP\u3001TCP\u3001MQTT\u548cLwM2M\u7b49\uff0c\u5e76\u4e14\u517c\u5bb9\u591a\u4e2a\u7269\u8054\u7f51\u4e91\u5e73\u53f0\uff0c\u5982\u4e2d\u56fd\u79fb\u52a8OneNET\u3001\u4e2d\u56fd\u7535\u4fe1IoT\u4ee5\u53ca\u4e2d\u8054\u4e91\u7b49\uff0c\u4f7f\u5176\u5728\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u57ce\u5e02\u3001\u667a\u80fd\u519c\u4e1a\u3001\u667a\u80fd\u7269\u6d41\u7b49\u591a\u4e2a\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong><a href=\"\/\/www.viralrail.com\/blog\/96026.html\" data-type=\"post\" data-id=\"96026\">NB-IoT\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757<\/a><\/strong>\u901a\u8fc7\u5176\u72ec\u7279\u7684\u7269\u7406\u5c42\u539f\u7406\u548c\u591a\u5740\u63a5\u5165\u6280\u672f\uff0c\u4e3a\u7269\u8054\u7f51\u8bbe\u5907\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6548\u3001\u4f4e\u529f\u8017\u3001\u5e7f\u8986\u76d6\u7684\u901a\u4fe1\u89e3\u51b3\u65b9\u6848\uff0c\u662f\u5f53\u524d\u7269\u8054\u7f51\u9886\u57df\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 NB-IoT\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684OFDM\u548cMIMO\u6280\u672f\u662f\u5982\u4f55\u5177\u4f53\u5b9e\u73b0\u9ad8\u6548\u901a\u4fe1\u7684?<\/h2>\n\n\n\n<p>\u3000\u3000NB-IoT\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684OFDM(\u6b63\u4ea4\u9891\u5206\u590d\u7528)\u548cMIMO(\u591a\u8f93\u5165\u591a\u8f93\u51fa)\u6280\u672f\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\u4e86\u9ad8\u6548\u901a\u4fe1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. OFDM\u6280\u672f\u5728NB-IoT\u4e2d\u7684\u5e94\u7528<\/h3>\n\n\n\n<p>\u3000\u3000OFDM\u6280\u672f\u901a\u8fc7\u5c06\u9ad8\u901f\u6570\u636e\u6d41\u5206\u914d\u5230\u591a\u4e2a\u5b50\u8f7d\u6ce2\u4e0a\u8fdb\u884c\u4f20\u8f93\uff0c\u53ef\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u6d88\u9664\u65e0\u7ebf\u4fe1\u9053\u7684\u591a\u5f84\u65f6\u5ef6\u6269\u5c55\u6240\u4ea7\u751f\u7684\u7b26\u53f7\u95f4\u5e72\u6270(ISI)\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002\u8fd9\u79cd\u6280\u672f\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u53ef\u9760\u6027\u548c\u4f4e\u8bef\u7801\u7387\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u7269\u8054\u7f51\u8bbe\u5907\u7684\u8fdc\u7a0b\u76d1\u63a7\u548c\u63a7\u5236\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728NB-IoT\u7cfb\u7edf\u4e2d\uff0c\u91c7\u7528\u65e0\u5faa\u73af\u524d\u7f00(CP)\u7684OFDM\u65b9\u6848\uff0c\u51cf\u5c11\u4e86\u4fe1\u53f7\u5904\u7406\u7684\u8d1f\u62c5\uff0c\u63d0\u9ad8\u4e86\u9891\u8c31\u5229\u7528\u7387\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u4f18\u5316\u5b50\u8f7d\u6ce2\u7684\u6570\u91cf\u548c\u914d\u7f6e\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347\u9891\u8c31\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u534f\u8bae\u6808\u5305\u62ec\u4e86\u4f4e\u529f\u8017\u7684OFDM\u6570\u5b57\u57fa\u5e26\u5524\u9192\u68c0\u6d4b\u5668\uff0c\u8fd9\u4f7f\u5f97\u6574\u4e2a\u63a5\u6536\u5668\u5177\u6709\u66f4\u9ad8\u7684\u96c6\u6210\u5ea6\u548c\u66f4\u4f4e\u7684\u529f\u8017\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u957f\u65f6\u95f4\u5f85\u673a\u7684\u7269\u8054\u7f51\u8bbe\u5907\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u786e\u4fddOFDM\u4fe1\u53f7\u7684\u6b63\u786e\u89e3\u8c03\uff0cNB-IoT\u7cfb\u7edf\u91c7\u7528\u4e86\u9ad8\u6548\u7684\u540c\u6b65\u7b97\u6cd5\u3002\u8fd9\u4e9b\u7b97\u6cd5\u4e0d\u4ec5\u8003\u8651\u80fd\u91cf\u4f5c\u4e3a\u5b9a\u65f6\u6307\u6807\uff0c\u8fd8\u6ce8\u91cd\u9009\u62e9\u6700\u5f3a\u7684\u7b2c\u4e00\u8def\u5f84\u4f5c\u4e3a\u540c\u6b65\u70b9\uff0c\u4ee5\u907f\u514d\u8bef\u540c\u6b65\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. MIMO\u6280\u672f\u5728NB-IoT\u4e2d\u7684\u5e94\u7528<\/h3>\n\n\n\n<p>\u3000\u3000MIMO\u6280\u672f\u901a\u8fc7\u4f7f\u7528\u591a\u4e2a\u5929\u7ebf\u6765\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7\uff0c\u663e\u8457\u589e\u52a0\u4e86\u7cfb\u7edf\u7684\u8986\u76d6\u8303\u56f4\u548c\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u5728NB-IoT\u7cfb\u7edf\u4e2d\uff0cMIMO\u6280\u672f\u4e0eOFDM\u7ed3\u5408\u4f7f\u7528\uff0c\u80fd\u591f\u6709\u6548\u63d0\u5347\u4fe1\u53f7\u7684\u8d28\u91cf\u548c\u4f20\u8f93\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u652f\u6301\u4e0b\u884c\u94fe\u8def\u534f\u540c\u591a\u8f93\u5165\u591a\u8f93\u51fa(CoMP)\uff0c\u8fd9\u610f\u5473\u7740\u591a\u4e2a\u4f20\u8f93\u70b9\u53ef\u4ee5\u5171\u540c\u5de5\u4f5c\uff0c\u63d0\u9ad8\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u548c\u8d28\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u7cfb\u7edf\u652f\u6301\u5355\u8f7d\u6ce2FDMA(DFTS-OFDM)\u548c\u591a\u96c6\u7fa4DFTS-OFDM\u5206\u914d\u65b9\u6848\uff0c\u6bcf\u4e2a\u5b50\u8f7d\u6ce2\u5305\u542b\u591a\u4e2a\u8fde\u7eed\u5b50\u8f7d\u6ce2\uff0c\u5bf9\u5e94\u4e8e\u4e00\u4e2a\u4e0a\u884c\u8d44\u6e90\u5757\u3002\u8fd9\u79cd\u7075\u6d3b\u7684\u8d44\u6e90\u5206\u914d\u65b9\u5f0f\u6709\u52a9\u4e8e\u6ee1\u8db3\u4e0d\u540c\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u901a\u8fc7\u7ed3\u5408OFDM\u548cMIMO\u6280\u672f\uff0c\u5b9e\u73b0\u4e86\u9ad8\u6548\u3001\u53ef\u9760\u4e14\u4f4e\u529f\u8017\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 NB-IoT\u5728\u5ba4\u5185\u7a7f\u900f\u6027\u80fd\u65b9\u9762\u7684\u5177\u4f53\u8868\u73b0\u548c\u9650\u5236\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000NB-IoT(\u7a84\u5e26\u7269\u8054\u7f51)\u5728\u5ba4\u5185\u7a7f\u900f\u6027\u80fd\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u5177\u6709\u663e\u8457\u7684\u4f18\u52bf\u548c\u4e00\u5b9a\u7684\u5c40\u9650\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u5177\u4f53\u8868\u73b0<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6df1\u5ea6\u5ba4\u5185\u7a7f\u900f\u80fd\u529b<\/strong>\uff1aNB-IoT\u8bbe\u8ba1\u7528\u4e8e\u5904\u7406\u5927\u89c4\u6a21\u4f4e\u529f\u8017\u8fde\u63a5\u5e76\u63d0\u4f9b\u8d85\u5927\u8986\u76d6\u8303\u56f4\uff0c\u540c\u65f6\u5177\u5907\u6df1\u5ea6\u5ba4\u5185\u7a7f\u900f\u6027\u80fd\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5176\u5728\u9700\u8981\u6df1\u5165\u5efa\u7b51\u7269\u5185\u90e8\u7684\u573a\u666f\u4e2d\u8868\u73b0\u4f18\u5f02\uff0c\u4f8b\u5982\u8fdc\u7a0b\u6284\u8868\u3001\u667a\u80fd\u6c34\u8868\u7b49\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fe1\u53f7\u589e\u76ca<\/strong>\uff1a\u4e0eLTE\u76f8\u6bd4\uff0cNB-IoT\u5728\u5ba4\u5185\u73af\u5883\u4e0b\u7684\u4fe1\u53f7\u8986\u76d6\u80fd\u529b\u63d0\u5347\u4e8620dB\uff0c\u76f8\u5f53\u4e8e\u63d0\u9ad8\u4e86\u7ea6100\u500d\u7684\u8986\u76d6\u533a\u57df\u80fd\u529b\u3002\u8fd9\u610f\u5473\u7740\u5176\u4fe1\u53f7\u53ef\u4ee5\u66f4\u597d\u5730\u7a7f\u900f\u591a\u5c42\u5efa\u7b51\u5899\u58c1\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u5e7f\u6cdb\u7684\u5ba4\u5185\u8986\u76d6\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8def\u5f84\u635f\u8017\u6d4b\u8bd5\u7ed3\u679c<\/strong>\uff1a\u5728\u5fb7\u56fd\u79d1\u9686\/\u6ce2\u6069\u5730\u533a\u7684\u6d4b\u8bd5\u4e2d\uff0cNB-IoT\u5728\u4e0d\u540c\u697c\u5c42\u548c\u5730\u4e0b\u5ba4\u7684\u4f4d\u7f6e\u5bf9\u4fe1\u53f7\u5f3a\u5ea6\u548c\u4f20\u8f93\u65f6\u95f4\u7684\u5f71\u54cd\u8fdb\u884c\u4e86\u6d4b\u91cf\u3002\u7ed3\u679c\u663e\u793a\uff0cNB-IoT\u5728\u5730\u9762\u4ee5\u4e0a\u6216\u5730\u4e0b\u5ba4\u7684\u8f83\u9ad8\u697c\u5c42\u5177\u6709\u8f83\u9ad8\u7684\u8986\u76d6\u7387\uff0c\u8def\u5f84\u635f\u8017\u4e0e\u697c\u5c42\u9ad8\u5ea6\u5448\u8d1f\u76f8\u5173\uff0c\u5728\u8f83\u4f4e\u697c\u5c42\u8868\u73b0\u51fa\u66f4\u9ad8\u7684\u635f\u8017\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u9650\u5236<\/h3>\n\n\n\n<p>\u3000\u3000\u5c3d\u7ba1NB-IoT\u5728\u5ba4\u5185\u7a7f\u900f\u6027\u80fd\u4e0a\u8868\u73b0\u7a81\u51fa\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e9b\u5c40\u9650\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u7279\u5b9a\u73af\u5883\u4e0b\u7684\u8986\u76d6\u4e0d\u8db3<\/strong>\uff1a\u5728\u67d0\u4e9b\u5b9e\u5730\u6d4b\u8bd5\u4e2d\uff0c\u5982\u5927\u578b\u5546\u573a\u7b49\u590d\u6742\u73af\u5883\u4e2d\uff0cNB-IoT\u7684\u8986\u76d6\u6027\u80fd\u53ef\u80fd\u4e0d\u5982\u9884\u671f\u3002\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u5efa\u7b51\u7269\u5185\u90e8\u7684\u53cd\u5c04\u3001\u5438\u6536\u548c\u963b\u6321\u7b49\u56e0\u7d20\u5f71\u54cd\u4e86\u4fe1\u53f7\u7684\u4f20\u64ad\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fe1\u53f7\u8d28\u91cf\u5dee\u5f02<\/strong>\uff1a\u5728\u4e0d\u540c\u4f4d\u7f6e\u7684SINR(\u4fe1\u566a\u6bd4)\u8868\u73b0\u4e0d\u4e00\u3002\u4f8b\u5982\uff0c\u5728\u7a7f\u900f\u4e00\u5835\u5efa\u7b51\u7269\u9760\u5916\u5899\u4f4d\u7f6e(\u5b8f\u7ad9\u8fd1\u70b9)\u65f6\uff0cSINR\u7ea6\u4e3a8~13dB;\u800c\u7a7f\u900f\u4e24\u5835\u5899\u7684\u4f4d\u7f6e\u5219\u53ef\u80fd\u8868\u73b0\u8f83\u5dee\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 NB-IoT\u652f\u6301\u7684\u6700\u5927\u8bbe\u5907\u8fde\u63a5\u6570\u662f\u591a\u5c11<\/h2>\n\n\n\n<p>\u3000\u3000NB-IoT\u652f\u6301\u7684\u6700\u5927\u8bbe\u5907\u8fde\u63a5\u6570\u5728\u4e0d\u540c\u573a\u666f\u4e0b\u6709\u6240\u4e0d\u540c\u3002\u5728\u4e2d\u63d0\u5230\uff0cNB-IoT\u4e00\u4e2a\u6247\u533a\u80fd\u591f\u652f\u630110\u4e07\u4e2a\u8fde\u63a5\u3002\u7136\u800c\uff0c\u5728\u4e2d\uff0c\u4f7f\u7528\u4f4e\u6210\u672c\u5929\u7ebf\u90e8\u7f72\u548c\u8f83\u5927\u7684\u7ad9\u70b9\u95f4\u8ddd(1700\u7c73)\u65f6\uff0cNB-IoT\u53ef\u4ee5\u5b9e\u73b0\u6bcf\u5e73\u65b9\u516c\u91cc2.3\u767e\u4e07\u8bbe\u5907\u7684\u8fde\u63a5\u80fd\u529b\u3002\u8fdb\u4e00\u6b65\u51cf\u5c11\u7ad9\u70b9\u95f4\u8ddd\u81f3500\u7c73\uff0c\u5c06\u589e\u5f3a\u8fde\u63a5\u5bb9\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0c\u4e2d\u63d0\u5230\uff0c\u5f53\u589e\u5f3a\u591a\u8f7d\u6ce2(NB-IoT)\u88ab\u652f\u6301\u65f6\uff0c\u5355\u4e2a400 kHz NB-IoT\u5c0f\u533a\u5728RRC\u8fde\u63a5\u6a21\u5f0f\u4e0b\u6700\u591a\u53ef\u4ee5\u652f\u63011200\u4e2aUE(\u7528\u6237\u8bbe\u5907)\u3002\u8fd9\u8868\u660e\u5728\u7279\u5b9a\u914d\u7f6e\u4e0b\uff0cNB-IoT\u7684\u8fde\u63a5\u6570\u53ef\u4ee5\u8fbe\u5230\u6570\u5343\u4e2a\u8bbe\u5907\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u652f\u6301\u7684\u6700\u5927\u8bbe\u5907\u8fde\u63a5\u6570\u53d6\u51b3\u4e8e\u591a\u79cd\u56e0\u7d20\uff0c\u5305\u62ec\u5929\u7ebf\u90e8\u7f72\u3001\u7ad9\u70b9\u95f4\u8ddd\u4ee5\u53ca\u7f51\u7edc\u914d\u7f6e\u3002\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\uff0c\u5982\u6240\u793a\uff0cNB-IoT\u53ef\u4ee5\u5b9e\u73b0\u6bcf\u5e73\u65b9\u516c\u91cc2.3\u767e\u4e07\u8bbe\u5907\u7684\u8fde\u63a5\u80fd\u529b\uff0c\u800c\u5728\u66f4\u5e38\u89c1\u7684\u914d\u7f6e\u4e0b\uff0c\u5982\u6240\u793a\uff0c\u4e00\u4e2a\u5c0f\u533a\u53ef\u4ee5\u652f\u6301\u7ea61200\u4e2a\u8bbe\u5907\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 NB-IoT\u4e0e\u5176\u4ed6\u7269\u8054\u7f51\u901a\u4fe1\u6280\u672f\u5bf9\u6bd4<\/h2>\n\n\n\n<p>\u3000\u3000NB-IoT(\u7a84\u5e26\u7269\u8054\u7f51)\u4e0e\u5176\u4ed6\u7269\u8054\u7f51\u901a\u4fe1\u6280\u672f\u5982LoRa\u548cSigfox\u76f8\u6bd4\uff0c\u5177\u6709\u4ee5\u4e0b\u4f18\u52bf\u548c\u52a3\u52bf\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u4f18\u52bf<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u5e7f\u8986\u76d6<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u7684\u8986\u76d6\u8303\u56f4\u6bd4LoRa\u66f4\u5e7f\u3002\u5728\u90ca\u533a\uff0c\u5229\u7528LoRa\u6280\u672f\u4f20\u8f93\u8ddd\u79bb\u53ea\u80fd\u8fbe\u523015\u5343\u7c73\uff0c\u800c\u5229\u7528NB-IoT\u6280\u672f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe35\u5343\u7c73\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u6bd4\u4f20\u7edfGSM\u7f51\u7edc\u589e\u76ca20dB\uff0c\u4e00\u4e2a\u57fa\u7ad9\u63d0\u4f9b\u7684\u8986\u76d6\u9762\u79ef\u662f\u4ee5\u5f80\u7684\u6570\u500d\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u652f\u6301\u6d77\u91cf\u8bbe\u5907\u63a5\u5165<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u80fd\u591f\u652f\u6301\u5927\u91cf\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5927\u89c4\u6a21\u8bbe\u5907\u63a5\u5165\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f4e\u529f\u8017<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u8bbe\u5907\u7684\u529f\u8017\u6781\u4f4e\uff0c\u9002\u5408\u4e8e\u9700\u8981\u957f\u671f\u8fd0\u884c\u4e14\u7535\u6c60\u7eed\u822a\u65f6\u95f4\u957f\u7684\u7269\u8054\u7f51\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u517c\u5bb9\u6027\u597d<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u5b8c\u5168\u517c\u5bb9\u5168\u7403\u79fb\u52a8\u901a\u4fe1\u7cfb\u7edf\u3001\u901a\u7528\u79fb\u52a8\u901a\u4fe1\u7cfb\u7edf\u548c4G\u7f51\u7edc\uff0c\u4f7f\u5176\u5728\u5168\u7403\u8303\u56f4\u5185\u66f4\u5bb9\u6613\u90e8\u7f72\u548c\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f4e\u6210\u672c<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u9884\u671f\u4ef7\u683c\u4e0d\u8d85\u8fc75\u7f8e\u5143\uff0c\u5c3d\u7ba1\u6bd4LoRa\u7a0d\u8d35\uff0c\u4f46\u4ecd\u7136\u4fdd\u6301\u4e86\u4f4e\u6210\u672c\u7684\u4f18\u52bf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u52a3\u52bf<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u5e26\u5bbd\u8f83\u4f4e<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u7684\u5e26\u5bbd\u8f83\u4f4e\uff0c\u53ea\u80fd\u652f\u6301\u4f4e\u901f\u7387\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4e0d\u80fd\u652f\u6301\u5927\u91cf\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5b89\u88c5\u590d\u6742<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u8bbe\u5907\u7684\u5b89\u88c5\u8fc7\u7a0b\u6bd4\u8f83\u590d\u6742\uff0c\u9700\u8981\u5b89\u88c5\u57fa\u7ad9\uff0c\u5e76\u4e14\u9700\u8981\u5728\u57fa\u7ad9\u4e0e\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u8fde\u63a5\uff0c\u8fd9\u589e\u52a0\u4e86\u90e8\u7f72\u6210\u672c\u548c\u96be\u5ea6\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u534f\u8bae\u548c\u8c03\u5236\u673a\u5236\u590d\u6742<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u7684\u534f\u8bae\u548c\u8c03\u5236\u673a\u5236\u6bd4\u8f83\u590d\u6742\uff0c\u9700\u8981\u66f4\u590d\u6742\u7684\u7535\u8def\u8bbe\u8ba1\u548c\u66f4\u591a\u7684\u82b1\u8d39\u3002<\/p>\n\n\n\n<h3 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