{"id":7991,"date":"2023-08-02T21:30:17","date_gmt":"2023-08-02T13:30:17","guid":{"rendered":"\/\/www.dealsbon.com\/?p=7991"},"modified":"2023-08-02T21:30:21","modified_gmt":"2023-08-02T13:30:21","slug":"njsyl","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/7991.html","title":{"rendered":"NB-IoT\u6280\u672f\u539f\u7406"},"content":{"rendered":"\n

\u3000\u3000\u968f\u7740\u7269\u8054\u7f51\u7684\u53d1\u5c55\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u8bbe\u5907\u9700\u8981\u8054\u7f51\uff0c\u800c\u4f20\u7edf\u7684\u901a\u4fe1\u65b9\u5f0f\u5df2\u7ecf\u65e0\u6cd5\u6ee1\u8db3\u8fd9\u4e00\u9700\u6c42\u3002NB-IoT\u6280\u672f\u7684\u51fa\u73b0\uff0c\u4e3a\u8fde\u63a5\u4e07\u7269\u63d0\u4f9b\u4e86\u65b0\u7684\u9009\u62e9\u3002\u672c\u6587\u5c06\u4ecb\u7ecdNB-IoT\u6280\u672f\u7684\u539f\u7406\u53ca\u5176\u5728\u7269\u8054\u7f51\u5e94\u7528\u4e2d\u7684\u4f18\u52bf\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001NB-IoT\u6280\u672f\u7684\u5b9a\u4e49<\/h2>\n\n\n\n

\u3000\u3000NB-IoT\u6280\u672f\u662f\u4e00\u79cd\u65b0\u5174\u7684\u4f4e\u529f\u8017\u5e7f\u57df\u7269\u8054\u7f51\u901a\u4fe1\u6280\u672f\uff0c\u5176\u5168\u79f0\u4e3aNarrow Band Internet of Things\uff0c\u5373\u7a84\u5e26\u7269\u8054\u7f51\u3002NB-IoT\u6280\u672f\u662f\u4e00\u79cd\u7a84\u5e26\u6280\u672f\uff0c\u5176\u5e26\u5bbd\u4ec5\u4e3a200kHz\uff0c\u4f46\u5176\u8986\u76d6\u8303\u56f4\u5e7f\u3001\u8fde\u63a5\u5bc6\u5ea6\u9ad8\u3001\u529f\u8017\u4f4e\u3001\u6210\u672c\u4f4e\u5ec9\uff0c\u56e0\u6b64\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51\u9886\u57df\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001NB-IoT\u6280\u672f\u7684\u539f\u7406<\/h2>\n\n\n\n

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\u3000\u3000NB-IoT\u6280\u672f\u91c7\u7528\u4e86OFDM\u6280\u672f\uff0c\u5373\u6b63\u4ea4\u9891\u5206\u590d\u7528\u6280\u672f\uff0c\u5176\u5c06\u6574\u4e2a\u9891\u5e26\u5206\u6210\u591a\u4e2a\u5b50\u8f7d\u6ce2\uff0c\u6bcf\u4e2a\u5b50\u8f7d\u6ce2\u90fd\u7528\u4e8e\u4f20\u8f93\u4e0d\u540c\u7684\u6570\u636e\u3002\u540c\u65f6\uff0cNB-IoT\u6280\u672f\u8fd8\u91c7\u7528\u4e86MIMO\u6280\u672f\uff0c\u5373\u591a\u8f93\u5165\u591a\u8f93\u51fa\u6280\u672f\uff0c\u5176\u53ef\u4ee5\u901a\u8fc7\u591a\u4e2a\u5929\u7ebf\u540c\u65f6\u4f20\u8f93\u548c\u63a5\u6536\u6570\u636e\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u7684\u8d28\u91cf\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000NB-IoT\u6280\u672f\u8fd8\u91c7\u7528\u4e86\u534a\u53cc\u5de5\u901a\u4fe1\u65b9\u5f0f\uff0c\u5373\u8bbe\u5907\u548c\u57fa\u7ad9\u4e4b\u95f4\u7684\u901a\u4fe1\u662f\u5355\u5411\u7684\uff0c\u8bbe\u5907\u53ea\u80fd\u5728\u57fa\u7ad9\u7684\u6307\u5bfc\u4e0b\u8fdb\u884c\u901a\u4fe1\u3002\u8fd9\u79cd\u901a\u4fe1\u65b9\u5f0f\u53ef\u4ee5\u964d\u4f4e\u8bbe\u5907\u7684\u529f\u8017\uff0c\u4ece\u800c\u5ef6\u957f\u8bbe\u5907\u7684\u4f7f\u7528\u5bff\u547d\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001NB-IoT\u6280\u672f\u5728\u7269\u8054\u7f51\u5e94\u7528\u4e2d\u7684\u4f18\u52bf<\/h2>\n\n\n\n

\u3000\u30001.\u5e7f\u6cdb\u7684\u8986\u76d6\u8303\u56f4<\/h3>\n\n\n\n

\u3000\u3000NB-IoT\u6280\u672f\u53ef\u4ee5\u5b9e\u73b0\u5ba4\u5185\u548c\u5ba4\u5916\u7684\u5e7f\u6cdb\u8986\u76d6\uff0c\u5176\u53ef\u4ee5\u7a7f\u900f\u5efa\u7b51\u7269\u548c\u969c\u788d\u7269\uff0c\u4ece\u800c\u5b9e\u73b0\u5168\u9762\u7684\u8986\u76d6\u3002\u540c\u65f6\uff0cNB-IoT\u6280\u672f\u8fd8\u652f\u6301\u591a\u79cd\u9891\u6bb5\uff0c\u5176\u53ef\u4ee5\u9002\u5e94\u4e0d\u540c\u5730\u533a\u548c\u4e0d\u540c\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u30002.\u9ad8\u5bc6\u5ea6\u7684\u8fde\u63a5<\/h3>\n\n\n\n

\u3000\u3000NB-IoT\u6280\u672f\u652f\u6301\u5927\u91cf\u7684\u8bbe\u5907\u8fde\u63a5\uff0c\u5176\u6bcf\u4e2a\u57fa\u7ad9\u53ef\u4ee5\u8fde\u63a5\u6570\u4e07\u4e2a\u8bbe\u5907\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u5bc6\u5ea6\u7684\u8fde\u63a5\u3002\u540c\u65f6\uff0cNB-IoT\u6280\u672f\u8fd8\u652f\u6301\u591a\u79cd\u8fde\u63a5\u65b9\u5f0f\uff0c\u5305\u62ec\u5e7f\u64ad\u3001\u7ec4\u64ad\u548c\u5355\u64ad\u7b49\u65b9\u5f0f\u3002<\/p>\n\n\n\n

\u3000\u30003.\u4f4e\u529f\u8017\u7684\u901a\u4fe1<\/h3>\n\n\n\n

\u3000\u3000NB-IoT\u6280\u672f\u91c7\u7528\u4e86\u4f4e\u529f\u8017\u8bbe\u8ba1\uff0c\u5176\u53ef\u4ee5\u5b9e\u73b0\u8bbe\u5907\u7684\u957f\u65f6\u95f4\u8fd0\u884c\u3002\u540c\u65f6\uff0cNB-IoT\u6280\u672f\u8fd8\u652f\u6301\u591a\u79cd\u7701\u7535\u6a21\u5f0f\uff0c\u5305\u62ecPSM(Power Saving Mode)\u548ceDRX(Extended Discontinuous Reception)\u7b49\u6a21\u5f0f\u3002<\/p>\n\n\n\n

\u3000\u30004.\u6210\u672c\u4f4e\u5ec9<\/h3>\n\n\n\n

\u3000\u3000NB-IoT\u6280\u672f\u7684\u6210\u672c\u4f4e\u5ec9\uff0c\u5176\u53ef\u4ee5\u5b9e\u73b0\u8bbe\u5907\u7684\u5927\u89c4\u6a21\u5e94\u7528\u3002\u540c\u65f6\uff0cNB-IoT\u6280\u672f\u8fd8\u652f\u6301\u591a\u79cd\u90e8\u7f72\u65b9\u5f0f\uff0c\u5305\u62ec\u5171\u4eab\u57fa\u7840\u8bbe\u65bd\u548c\u72ec\u7acb\u90e8\u7f72\u7b49\u65b9\u5f0f\uff0c\u4ece\u800c\u6ee1\u8db3\u4e0d\u540c\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001\u7ed3\u8bba<\/h2>\n\n\n\n

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