\u3000\u3000NB\u7269\u8054\u7f51\u5361\u4e0e4G\u5361\u5728\u7269\u8054\u7f51\u5e94\u7528\u4e2d\u6709\u663e\u8457\u7684\u533a\u522b\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n
\u3000\u3000\u6570\u636e\u4f20\u8f93\u901f\u7387<\/strong>\uff1aNB\u7269\u8054\u7f51\u5361\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\uff0c\u901a\u5e38\u53ea\u6709\u6570\u5341\u5230\u6570\u767ekbps\uff0c\u800c4G\u5361\u7684\u4f20\u8f93\u901f\u7387\u8fdc\u9ad8\u4e8eNB-IoT\uff0c\u53ef\u4ee5\u8fbe\u5230\u6570\u5341Mbps\u751a\u81f3\u4e0a\u767eMbps\u3002\u56e0\u6b64\uff0c4G\u5361\u66f4\u9002\u5408\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n \u3000\u3000\u529f\u8017\u548c\u7535\u6c60\u5bff\u547d<\/strong>\uff1a\u7531\u4e8eNB-IoT\u5361\u91c7\u7528\u4f4e\u529f\u8017\u8bbe\u8ba1\uff0c\u5176\u7535\u6c60\u5bff\u547d\u8f83\u957f\uff0c\u53ef\u4ee5\u652f\u6301\u8bbe\u5907\u957f\u65f6\u95f4\u5f85\u673a\uff0c\u751a\u81f3\u957f\u8fbe\u6570\u5e74\u6216\u5341\u5e74\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c4G\u5361\u7531\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u9700\u6c42\uff0c\u529f\u8017\u8f83\u9ad8\uff0c\u901a\u5e38\u9700\u8981\u9891\u7e41\u5145\u7535\u6216\u66f4\u6362\u7535\u6c60\u3002<\/p>\n\n\n\n \u3000\u3000\u7f51\u7edc\u8986\u76d6\u548c\u8fde\u63a5\u7a33\u5b9a\u6027<\/strong>\uff1aNB-IoT\u6280\u672f\u5177\u6709\u66f4\u5e7f\u7684\u8986\u76d6\u8303\u56f4\uff0c\u5c24\u5176\u5728\u5730\u4e0b\u3001\u5ba4\u5185\u7b49\u590d\u6742\u73af\u5883\u4e2d\u8868\u73b0\u4f18\u5f02\uff0c\u80fd\u591f\u63d0\u4f9b\u7a33\u5b9a\u7684\u8fde\u63a5\u3002\u800c4G\u7f51\u7edc\u867d\u7136\u8986\u76d6\u8303\u56f4\u5e7f\uff0c\u4f46\u5728\u504f\u8fdc\u6216\u96be\u4ee5\u8986\u76d6\u7684\u5730\u533a\u4fe1\u53f7\u53ef\u80fd\u4f1a\u4e0d\u7a33\u5b9a\u3002<\/p>\n\n\n\n \u3000\u3000\u6210\u672c\u8003\u91cf<\/strong>\uff1aNB-IoT\u7269\u8054\u7f51\u5361\u7684\u786c\u4ef6\u548c\u8fd0\u8425\u6210\u672c\u76f8\u5bf9\u8f83\u4f4e\uff0c\u56e0\u6b64\u5e02\u573a\u4e0a\u7684\u5b9a\u4ef7\u4e5f\u8f83\u4e3a\u4f4e\u5ec9\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c4G\u7269\u8054\u7f51\u5361\u7684\u6210\u672c\u8f83\u9ad8\uff0c\u4e0d\u4ec5\u524d\u671f\u91c7\u8d2d\u6210\u672c\u9ad8\uff0c\u5176\u9ad8\u529f\u8017\u7279\u6027\u4e5f\u610f\u5473\u7740\u5728\u7535\u6e90\u548c\u7ef4\u62a4\u4e0a\u7684\u5f00\u9500\u8f83\u5927\u3002<\/p>\n\n\n\n \u3000\u3000\u5e94\u7528\u573a\u666f<\/strong>\uff1aNB-IoT\u5361\u9002\u7528\u4e8e\u667a\u80fd\u8ba1\u91cf\u3001\u519c\u4e1a\u76d1\u6d4b\u3001\u73af\u5883\u4f20\u611f\u7b49\u4f4e\u901f\u7387\u3001\u4f4e\u529f\u8017\u7684\u573a\u666f\uff0c\u800c4G\u5361\u5219\u9002\u7528\u4e8e\u9ad8\u6e05\u89c6\u9891\u76d1\u63a7\u3001\u667a\u80fd\u4ea4\u901a\u7b49\u5bf9\u901f\u5ea6\u8981\u6c42\u66f4\u9ad8\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n \u3000\u3000\u8ba1\u8d39\u65b9\u5f0f<\/strong>\uff1aNB-IoT\u5361\u901a\u5e38\u6309\u8fde\u63a5\u6b21\u6570\u8ba1\u8d39\uff0c\u800c4G\u5361\u5219\u6309\u6d41\u91cf\u8ba1\u8d39\u3002\u8fd9\u610f\u5473\u7740NB-IoT\u5361\u66f4\u9002\u5408\u4f4e\u9891\u6b21\u901a\u4fe1\u7684\u8bbe\u5907\uff0c\u800c4G\u5361\u9002\u5408\u9700\u8981\u6301\u7eed\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u8bbe\u5907\u3002<\/p>\n\n\n\n \u3000\u3000\u529f\u80fd\u5dee\u5f02<\/strong>\uff1aNB-IoT\u5361\u4e3b\u8981\u7528\u4e8e\u8bbe\u5907\u8fde\u63a5\u548c\u6570\u636e\u4f20\u8f93\uff0c\u4e0d\u652f\u6301\u8bed\u97f3\u901a\u4fe1;\u800c4G\u5361\u9664\u4e86\u6570\u636e\u4f20\u8f93\u5916\uff0c\u8fd8\u53ef\u4ee5\u652f\u6301\u8bed\u97f3\u901a\u8bdd\u7b49\u529f\u80fd\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u9009\u62e9\u7269\u8054\u7f51\u5361\u65f6\uff0c\u7528\u6237\u5e94\u6839\u636e\u5177\u4f53\u9700\u6c42\uff0c\u5305\u62ec\u6570\u636e\u4f20\u8f93\u901f\u7387\u3001\u529f\u8017\u3001\u7f51\u7edc\u8986\u76d6\u3001\u6210\u672c\u4ee5\u53ca\u5e94\u7528\u573a\u666f\u7b49\u56e0\u7d20\u8fdb\u884c\u7efc\u5408\u8003\u8651\uff0c\u4ee5\u786e\u4fdd\u9879\u76ee\u7684\u987a\u5229\u5b9e\u65bd\u548c\u957f\u671f\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n\n\n\n \u3000\u3000NB-IoT(\u7a84\u5e26\u7269\u8054\u7f51)\u548c4G\u6280\u672f\u5728\u6700\u65b0\u6807\u51c6\u548c\u6027\u80fd\u6539\u8fdb\u65b9\u9762\u6709\u663e\u8457\u5dee\u5f02\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u8986\u76d6\u8303\u56f4\u3001\u8fde\u63a5\u5bc6\u5ea6\u3001\u529f\u8017\u3001\u6570\u636e\u901f\u7387\u548c\u90e8\u7f72\u65b9\u5f0f\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n \u3000\u3000NB-IoT\u5177\u6709\u6bd4GSM\u9ad820dB\u7684\u8986\u76d6\u589e\u76ca\uff0c\u76f8\u5f53\u4e8e\u53d1\u5c04\u529f\u7387\u63d0\u5347\u4e86100\u500d\uff0c\u53ef\u4ee5\u5728\u5730\u4e0b\u8f66\u5e93\u3001\u5730\u4e0b\u5ba4\u7b49\u4fe1\u53f7\u96be\u4ee5\u5230\u8fbe\u7684\u5730\u65b9\u5b9e\u73b0\u8986\u76d6\u3002NB-IoT\u5229\u7528\u6388\u6743\u9891\u8c31\uff0c\u8bbe\u8ba1\u7528\u4e8e\u73b0\u6709\u8702\u7a9d\u7f51\u7edc\u7684\u670d\u52a1\u63d0\u4f9b\u5546\u6269\u5927\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n \u3000\u3000\u76f8\u6bd4\u4e4b\u4e0b\uff0c4G LTE\u5728\u5ba4\u5185\u8986\u76d6\u65b9\u9762\u66f4\u4f18\uff0c\u4f46NB-IoT\u5728\u6700\u5927\u8026\u5408\u635f\u8017\u4e0a\u6bd4LTE\u63d0\u9ad8\u4e8620\u5206\u8d1d\u3002<\/p>\n\n\n\n \u3000\u3000NB-IoT\u65e8\u5728\u5904\u7406\u6bcf\u4e2a\u5c0f\u533a50.000\u53f0\u8bbe\u5907\uff0c\u901a\u5e38\u6bcf\u4e2a\u5bb6\u5ead\u53ef\u652f\u6301\u591a\u8fbe40\u53f0\u8bbe\u5907\u3002NB-IoT\u7cfb\u7edf\u9884\u671f\u80fd\u591f\u6ee1\u8db3\u975e\u65f6\u5ef6\u654f\u611f\u7684\u4f4e\u901f\u4e1a\u52a1\u9700\u6c42\uff0c\u5982\u8986\u76d6\u589e\u5f3a\u3001\u8d85\u4f4e\u529f\u8017\u3001\u5de8\u91cf\u7ec8\u7aef\u63a5\u5165\u7b49\u3002<\/p>\n\n\n\n \u3000\u30004G LTE\u6700\u591a\u53ea\u80fd\u652f\u63012000\u4e2a\u8fde\u63a5\u3002<\/p>\n\n\n\n \u3000\u3000NB-IoT\u8bbe\u8ba1\u7528\u4e8e\u4f4e\u529f\u8017\u5e94\u7528\uff0c\u7535\u6c60\u5bff\u547d\u957f\u8fbe10\u5e74\u3002\u5176\u4f4e\u529f\u8017\u7b56\u7565\u53ef\u4f7f\u7535\u6c60\u4f9b\u7535\u7684\u7ec8\u7aef\u8bbe\u5907\u7684\u7535\u6c60\u5bff\u547d\u5ef6\u957f\u81f310\u81f320\u5e74\u3002<\/p>\n\n\n\n \u3000\u3000\u76f8\u6bd4\u4e4b\u4e0b\uff0c4G LTE\u867d\u7136\u4e5f\u652f\u6301\u4f4e\u529f\u8017\u7b56\u7565\uff0c\u4f46\u5176\u7535\u6c60\u5bff\u547d\u901a\u5e38\u8f83\u77ed\uff0c\u9700\u8981\u5b9a\u671f\u66f4\u6362\u6216\u5145\u7535\u3002<\/p>\n\n\n\n \u3000\u3000NB-IoT\u5728\u7a7a\u95f2\u65f6\u901f\u7387\u4e3a250 kbits\/s\uff0c\u95f2\u7f6e\u65f6\u95f4\u4e3a1.6\u81f310\u79d2\u3002NB-IoT\u652f\u6301\u5355\u7528\u6237\u4e0a\u4e0b\u884c\u81f3\u5c11160 bit\/s\u3002<\/p>\n\n\n\n \u3000\u30004G LTE\u4e0b\u884c\u548c\u4e0a\u884c\u94fe\u8def\u901f\u5ea6\u5747\u7ea6\u4e3a1 Mbps\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5927\u91cf\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\uff0c\u5982\u89c6\u9891\u76d1\u63a7\u548cVoLTE\u8bed\u97f3\u670d\u52a1\u3002<\/p>\n\n\n\n \u3000\u3000NB-IoT\u53ef\u4ee5\u72ec\u7acb\u4f5c\u4e3aGSM\u4fe1\u9053\u90e8\u7f72\uff0c\u6216\u4e0eLTE\u8d44\u6e90\u5757\u5e26\u5165\u5e26\uff0c\u6216\u4f5c\u4e3aLTE\u4fdd\u62a4\u5e26\u3002\u5b83\u53ef\u4ee5\u76f4\u63a5\u90e8\u7f72\u4e8e\u73b0\u6709\u7f51\u7edc\u57fa\u7ad9\uff0c\u964d\u4f4e\u6210\u672c\u5e76\u5b9e\u73b0\u5e73\u6ed1\u5347\u7ea7\u3002<\/p>\n\n\n\n \u3000\u30004G LTE\u901a\u5e38\u9700\u8981\u4e13\u95e8\u7684\u57fa\u7840\u8bbe\u65bd\u548c\u9891\u8c31\u8d44\u6e90\uff0c\u90e8\u7f72\u6210\u672c\u8f83\u9ad8\u3002<\/p>\n\n\n\n \u3000\u3000NB-IoT\u57fa\u4e8e4G LTE\/\u6f14\u8fdb\u7684\u5206\u7ec4\u6838\u5fc3\u7f51(EPC)\u7f51\u7edc\u67b6\u6784\uff0c\u7ed3\u5408\u5927\u8fde\u63a5\u3001\u5c0f\u6570\u636e\u3001\u4f4e\u529f\u8017\u3001\u4f4e\u6210\u672c\u3001\u6df1\u5ea6\u8986\u76d6\u7b49\u7279\u70b9\u5bf9\u73b0\u67094G\u7f51\u7edc\u8fdb\u884c\u4f18\u5316\u3002NB-IoT\u5728\u7269\u7406\u5c42\u3001\u7a7a\u53e3\u9ad8\u5c42\u3001\u63a5\u5165\u7f51\u3001\u6838\u5fc3\u7f51\u5f15\u5165\u7684\u4f18\u5316\u7279\u6027\u80fd\u6ee1\u8db3\u7269\u8054\u7f51\u4f4e\u529f\u8017\u3001\u4f4e\u6210\u672c\u3001\u6df1\u5ea6\u8986\u76d6\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n \u3000\u30004G LTE\u4eceRelease 12\u5f00\u59cb\u652f\u6301NB-IoT\uff0c\u63d0\u4f9b\u4f4e\u6570\u636e\u7387\u548c\u4f4e\u529f\u8017\u7684\u5e7f\u57df\u7269\u8054\u7f51\u7f51\u7edc\u3002<\/p>\n\n\n\n \u3000\u3000NB-IoT\u5728\u8986\u76d6\u8303\u56f4\u3001\u8fde\u63a5\u5bc6\u5ea6\u548c\u529f\u8017\u65b9\u9762\u5177\u6709\u663e\u8457\u4f18\u52bf\uff0c\u9002\u5408\u5927\u89c4\u6a21\u7269\u8054\u7f51\u5e94\u7528;\u800c4G LTE\u5219\u5728\u6570\u636e\u901f\u7387\u548c\u9ad8\u8981\u6c42\u670d\u52a1\u65b9\u9762\u8868\u73b0\u66f4\u597d\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5927\u91cf\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n \u3000\u3000\u8bc4\u4f30NB-IoT\u548c4G\u7f51\u7edc\u5728\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u8986\u76d6\u8303\u56f4\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\uff0c\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u4e2a\u56e0\u7d20\uff0c\u5305\u62ec\u9891\u7387\u3001\u5929\u7ebf\u9ad8\u5ea6\u3001\u4fe1\u9053\u6761\u4ef6\u3001\u4fe1\u53f7\u7a7f\u900f\u635f\u8017\u7b49\u3002<\/p>\n\n\n\n \u3000\u3000\u9891\u7387\u5f71\u54cd<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u5728450 MHz\u9891\u6bb5\uff0cNB-IoT\u7684\u8986\u76d6\u8303\u56f4\u53ef\u4ee5\u8d85\u8fc745\u516c\u91cc\uff0c\u800cLTE\u4ec5\u4e3a25\u516c\u91cc;\u5728900 MHz\u9891\u6bb5\uff0cNB-IoT\u7684\u8986\u76d6\u8303\u56f4\u4e3a37\u516c\u91cc\uff0c\u800cLTE\u4e3a19\u516c\u91cc\u3002<\/p>\n\n\n\n \u3000\u3000\u5373\u4f7f\u57283.6 GHz\u7684\u9ad8\u9891\u6bb5\uff0cNB-IoT\u7684\u8986\u76d6\u8303\u56f4\u4ecd\u8d85\u8fc725\u516c\u91cc\u3002<\/p>\n\n\n\n \u3000\u3000\u6700\u5927\u8026\u5408\u635f\u8017\uff08MCL\uff09<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000NB-IoT\u652f\u6301\u9ad8\u8fbe164 dB\u7684\u6700\u5927\u8026\u5408\u635f\u8017\uff0c\u4f7f\u5176\u9002\u7528\u4e8e\u96be\u4ee5\u5230\u8fbe\u7684\u5730\u533a\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cNB-IoT\u8bbe\u5907\u53ef\u4ee5\u5728\u519c\u6751\u548c\u5ba4\u5185\u573a\u666f\u4e0b\u8fbe\u5230167 dB\u7684MCL\uff0c\u6bd43GPP\u7684\u9650\u5236\u9ad8\u51fa3 dB\u3002<\/p>\n\n\n\n \u3000\u3000\u8986\u76d6\u589e\u5f3a\u7ea7\u522b<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000NB-IoT\u5b9a\u4e49\u4e86\u4e09\u79cd\u8986\u76d6\u589e\u5f3a\u7ea7\u522b\uff1a\u6b63\u5e38\u3001\u6269\u5c55\u548c\u6781\u7aef\uff0c\u901a\u8fc7\u964d\u4f4e\u6570\u636e\u901f\u7387\u6765\u63d0\u9ad8\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n \u3000\u3000\u6389\u7ebf\u6982\u7387<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u5728\u6237\u5916\u548c\u8f7b\u5ea6\u5ba4\u5185\u6761\u4ef6\u4e0b\uff0cNB-IoT\u7684\u6389\u7ebf\u6982\u7387\u4f4e\u4e8e0.1%\uff0c\u5373\u4f7f\u6709\u989d\u5916\u768410 dB\u7a7f\u900f\u635f\u8017\u548c\u5e73\u57472.8\u516c\u91cc\u7684\u7ad9\u70b9\u95f4\u8ddd\u79bb\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u4e0d\u540c\u5ba4\u5185\u573a\u666f\u4e0b\uff0cNB-IoT\u7684\u6389\u7ebf\u6982\u7387\u4f18\u4e8eeMTC\uff0c\u5373\u4f7f\u6709\u989d\u5916\u768430 dB\u7a7f\u900f\u635f\u8017\u3002<\/p>\n\n\n\n \u3000\u3000\u4fe1\u566a\u6bd4\uff08SNR\uff09\u548c\u6bd4\u7279\u8bef\u7801\u7387\uff08BLER\uff09<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u5bf9\u4e8eNB-IoT\u7cfb\u7edf\uff0c\u5f53\u76ee\u6807BLER\u4e3a10^-1\u65f6\uff0cSNR\u503c\u9700\u5927\u4e8e0.92 dB\uff0c\u6b64\u65f6\u53ef\u4ee5\u65e0\u8bef\u5730\u4f20\u8f93\u4fe1\u606f\uff0c\u4f46\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u591a\u6b21\u6570\u636e\u5305\u91cd\u4f20\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u6d77\u4e0a\u4f20\u64ad\u73af\u5883\u4e2d\uff0c\u7531\u4e8e\u5929\u7ebf\u4e4b\u95f4\u7684\u76f4\u63a5\u89c6\u7ebf\u548c\u8f83\u5c11\u7684\u591a\u5f84\u4f20\u64ad\u6210\u5206\uff0c\u4fe1\u53f7\u63a5\u6536\u66f4\u52a0\u76f4\u63a5\uff0c\u63a5\u6536\u5668\u5de5\u4f5c\u66f4\u9ad8\u6548\uff0c\u5373\u4f7f\u5728\u8f83\u4f4e\u7684SNR\u8f93\u5165\u4e0b\u4e5f\u80fd\u63a5\u6536\u6240\u9700\u9519\u8bef\u7387\u7684\u4fe1\u53f7\u3002<\/p>\n\n\n\n \u3000\u3000\u5ba4\u5185\u548c\u6df1\u5ba4\u5185\u73af\u5883<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000NB-IoT\u7f51\u7edc\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u80fd\u591f\u63d0\u4f9b\u8db3\u591f\u7684\u5ba4\u5185\u548c\u5ba4\u5916\u8986\u76d6\uff0c\u4f46\u6df1\u5ba4\u5185\u73af\u5883\u4e0b\u7684\u4fe1\u53f7\u5f3a\u5ea6\u4ecd\u7136\u8f83\u5f31\uff0c\u9700\u8981\u8fdb\u4e00\u6b65\u4f18\u5316\u3002<\/p>\n\n\n\n \u3000\u3000\u7535\u529b\u516c\u53f8\u6b63\u5728\u8bbe\u8ba1\u5ba4\u5185\u5206\u5e03\u7cfb\u7edf\uff0c\u5e76\u8003\u8651\u90e8\u7f72\u5c0f\u578b\u57fa\u7ad9\u6216\u5176\u4ed6\u672c\u5730\u6570\u636e\u805a\u5408\u5668\u4ee5\u6539\u5584\u6df1\u5ba4\u5185\u73af\u5883\u7684\u8986\u76d6\u3002<\/p>\n\n\n\n \u3000\u3000\u571f\u58e4\u8d28\u91cf\u76d1\u6d4b\u573a\u666f<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000NB-IoT\u534f\u8bae\u4f7f\u7528\u4e86LTE\u7684\u9ed8\u8ba4\u4f20\u8f93\u589e\u76ca\u548c\u8d28\u91cf\u8bbe\u7f6e\uff0c\u5728\u5730\u4e0b\u8282\u70b9\u7684\u8def\u5f84\u635f\u8017\u4f7f\u5f97\u9009\u5b9a\u7684\u6df1\u5ea6\u65e0\u6cd5\u8fbe\u5230\u3002<\/p>\n\n\n\n \u3000\u3000NB-IoT\u5728\u8986\u76d6\u8303\u56f4\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u7279\u522b\u662f\u5728\u96be\u4ee5\u5230\u8fbe\u7684\u5730\u533a\u548c\u4f4e\u9891\u6bb5\u3002\u7136\u800c\uff0c\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u5982\u6df1\u5ba4\u5185\u73af\u5883\u6216\u5730\u4e0b\u8282\u70b9\uff0c\u4ecd\u9700\u8fdb\u4e00\u6b65\u4f18\u5316\u4ee5\u786e\u4fdd\u4fe1\u53f7\u5f3a\u5ea6\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c4G\u7f51\u7edc\u5728\u9ad8\u9891\u6bb5\u7684\u8868\u73b0\u8f83\u5dee\uff0c\u4f46\u5728\u4e2d\u4f4e\u9891\u6bb5\u4ecd\u5177\u6709\u8f83\u597d\u7684\u8986\u76d6\u80fd\u529b\u3002<\/p>\n\n\n\n \u3000\u3000\u5173\u4e8eNB-IoT\u548c4G\u5361\u7684\u6210\u672c\u6548\u76ca\u5206\u6790\uff0c\u6709\u4ee5\u4e0b\u6700\u65b0\u7814\u7a76\u548c\u6848\u4f8b\uff1a<\/p>\n\n\n\n \u3000\u3000NB-IoT\u5229\u7528\u73b0\u6709\u76844G LTE\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd\u8fdb\u884c\u5347\u7ea7\u6539\u9020\uff0c\u5927\u5927\u964d\u4f4e\u4e86\u7f51\u7edc\u5efa\u8bbe\u4e0e\u7ef4\u62a4\u6210\u672c\u3002\u6b64\u5916\uff0cNB-IoT\u82af\u7247\u4e13\u4e3a\u7269\u8054\u7f51\u8bbe\u8ba1\uff0c\u5404\u7ec4\u4ef6\u8981\u6c42\u66f4\u5c11\uff0c\u4f7f\u5f97\u5382\u5546\u91c7\u8d2d\u6210\u672c\u66f4\u4f4e\u3002<\/p>\n\n\n\n \u3000\u3000NB-IoT\u6a21\u5757\u7684\u9884\u671f\u4ef7\u683c\u4e0d\u8d85\u8fc75\u7f8e\u5143\uff0c\u82af\u7247\u4ef7\u683c\u4e3a1~2\u7f8e\u5143\uff0c\u968f\u7740\u7f51\u7edc\u90e8\u7f72\u6210\u672c\u7684\u964d\u4f4e\uff0c\u6bcf\u4e2a\u6a21\u7ec4\u7684\u6279\u91cf\u6210\u672c\u4ef7\u683c\u9884\u8ba1\u53ef\u4ee5\u964d\u52302\u7f8e\u5143\u5de6\u53f3\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u67d0\u4e9b\u90e8\u7f72\u573a\u666f\u4e0b\uff0c\u4f8b\u5982\u9ad8\u5bc6\u5ea6\u8bbe\u5907\u73af\u5883(SC3)\uff0cNB-IoT\u663e\u793a\u51fa\u8f83\u9ad8\u7684\u6210\u672c\u6548\u76ca\u3002<\/p>\n\n\n\n \u3000\u3000NB-IoT\u5f15\u5165\u4e86eDRX\u7701\u7535\u6280\u672f\u548cPSM\u7701\u7535\u6a21\u5f0f\uff0c\u8fdb\u4e00\u6b65\u964d\u4f4e\u4e86\u529f\u8017\uff0c\u5ef6\u957f\u4e86\u7535\u6c60\u4f7f\u7528\u65f6\u95f4\uff0c\u5728\u5178\u578b\u5e94\u7528\u573a\u666f\u4e0b\uff0c\u4f7f\u7528AA\u7535\u6c60(5\u53f7\u7535\u6c60)\u4fbf\u53ef\u4ee5\u5de5\u4f5c10\u5e74\uff0c\u65e0\u9700\u5145\u7535\u3002<\/p>\n\n\n\n \u3000\u3000NB-IoT\u5728\u540c\u6837\u7684\u9891\u6bb5\u4e0b\u6bd4\u73b0\u6709\u7684\u7f51\u7edc\u589e\u76ca20dB\uff0c\u8986\u76d6\u9762\u79ef\u6269\u5927100\u500d\u3002<\/p>\n\n\n\n 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