{"id":94716,"date":"2024-06-29T20:41:40","date_gmt":"2024-06-29T12:41:40","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=94716"},"modified":"2024-06-29T20:41:46","modified_gmt":"2024-06-29T12:41:46","slug":"nmkysmy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/94716.html","title":{"rendered":"NBIOT\u6a21\u5757\u6709\u4ec0\u4e48\u7528"},"content":{"rendered":"\n<p>\u3000\u3000<strong>NB-IoT\u6a21\u5757<\/strong>\u662f\u4e00\u79cd\u57fa\u4e8e\u8702\u7a9d\u7684\u7a84\u5e26\u7269\u8054\u7f51\u6280\u672f\uff0c\u4e3b\u8981\u7528\u4e8e\u5b9e\u73b0\u4f4e\u529f\u8017\u3001\u4f4e\u6210\u672c\u3001\u9ad8\u6548\u7387\u7684\u7269\u8054\u7f51\u5e94\u7528\u3002\u5b83\u901a\u8fc7\u5c06\u4f20\u611f\u5668\u7f51\u7edc\u3001\u667a\u80fd\u8bbe\u5907\u548c\u4e91\u7aef\u670d\u52a1\u8fde\u63a5\u8d77\u6765\uff0c\u4e3a\u7269\u8054\u7f51\u5e94\u7528\u63d0\u4f9b\u5b89\u5168\u3001\u7a33\u5b9a\u3001\u53ef\u9760\u7684\u901a\u8baf\u73af\u5883\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u7684\u5e94\u7528\u573a\u666f\u975e\u5e38\u5e7f\u6cdb\uff0c\u6db5\u76d6\u4e86\u667a\u6167\u5bb6\u5ead\u3001\u667a\u6167\u51fa\u884c\u3001\u667a\u6167\u57ce\u5e02\u7b49\u591a\u4e2a\u65b9\u9762\u3002\u5177\u4f53\u5e94\u7528\u573a\u666f\u5305\u62ec\u6c34\u8868\u3001\u667a\u6167\u505c\u8f66\u3001\u667a\u6167\u8def\u706f\u3001\u667a\u6167\u519c\u4e1a\u548c\u767d\u8272\u5bb6\u7535\u7b49\u3002\u6b64\u5916\uff0cNB-IoT\u6a21\u5757\u8fd8\u652f\u6301\u591a\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5982CoAP\u3001UDP\u3001TCP\u3001MQTT\u7b49\uff0c\u80fd\u591f\u6ee1\u8db3\u4e0d\u540c\u8bbe\u5907\u548c\u5e94\u7528\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u5728\u7269\u8054\u7f51\u9886\u57df\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\uff0c\u901a\u8fc7\u5176\u4f4e\u529f\u8017\u548c\u5e7f\u8986\u76d6\u7684\u7279\u70b9\uff0c\u80fd\u591f\u6709\u6548\u63d0\u5347\u4f01\u4e1a\u7684\u7ade\u4e89\u529b\u5e76\u6ee1\u8db3\u5ba2\u6237\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 NB-IoT\u6a21\u5757\u7684\u5177\u4f53\u529f\u8017\u8868\u73b0\u5982\u4f55<\/h2>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u7684\u5177\u4f53\u529f\u8017\u8868\u73b0\u975e\u5e38\u51fa\u8272\uff0c\u5176\u4f4e\u529f\u8017\u7279\u6027\u662f\u5176\u4e3b\u8981\u4f18\u52bf\u4e4b\u4e00\u3002\u6839\u636e\u591a\u9879\u8bc1\u636e\uff0cNB-IoT\u5728\u4f4e\u529f\u8017\u65b9\u9762\u5177\u6709\u663e\u8457\u7684\u4f18\u52bf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u9996\u5148\uff0cNB-IoT\u7684\u4f4e\u529f\u8017\u7279\u6027\u4f7f\u5176\u80fd\u591f\u663e\u8457\u5ef6\u957f\u8bbe\u5907\u7684\u7eed\u822a\u65f6\u95f4\u3002\u4f8b\u5982\uff0c\u5728\u8bb8\u591a\u4f7f\u7528\u7535\u6c60\u4f9b\u7535\u7684\u8bbe\u5907\u548c\u5e94\u7528\u573a\u666f\u4e2d\uff0cNB-IoT\u53ef\u4ee5\u5c06\u8bbe\u5907\u7684\u7eed\u822a\u65f6\u95f4\u4ece\u51e0\u4e2a\u6708\u63d0\u5347\u5230\u51e0\u5e74\u3002\u8fd9\u79cd\u4f4e\u529f\u8017\u7279\u6027\u5bf9\u4e8e\u8fdc\u7a0b\u64cd\u4f5c\u6216\u5728\u7535\u6e90\u6709\u9650\u6216\u65e0\u6cd5\u8bbf\u95ee\u7684\u4f4d\u7f6e\u64cd\u4f5c\u7684\u8bbe\u5907\u975e\u5e38\u91cd\u8981\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0e\u5176\u4ed6\u7269\u8054\u7f51\u6280\u672f\u76f8\u6bd4\uff0cNB-IoT\u5728\u529f\u8017\u65b9\u9762\u7684\u8868\u73b0\u4e5f\u66f4\u5177\u4f18\u52bf\u3002\u4f8b\u5982\uff0c\u4e0eLoRa\u548cSigfox\u7b49\u5176\u4ed6\u4f4e\u529f\u8017\u7269\u8054\u7f51\u901a\u4fe1\u6280\u672f\u76f8\u6bd4\uff0cNB-IoT\u7684\u8986\u76d6\u8303\u56f4\u66f4\u5e7f\uff0c\u6027\u80fd\u66f4\u597d\u3002\u6b64\u5916\uff0cNB-IoT\u57fa\u4e8eLTE\u7f51\u7edc\uff0c\u80fd\u591f\u5728\u4e0b\u884c\u9891\u5e26\u4e2d\u63d0\u4f9b200KHz\u7684\u5e26\u5bbd\uff0c\u5e76\u901a\u8fc7\u7279\u6b8a\u5904\u7406\u6269\u5c55\u52304MHz\uff0c\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 NB-IoT\u6a21\u5757\u652f\u6301\u7684\u591a\u79cd\u901a\u4fe1\u534f\u8bae\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6027\u80fd\u8868\u73b0<\/h2>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u652f\u6301\u591a\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5305\u62ecCoAP\u3001UDP\u3001TCP\u548cMQTT\u7b49\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8fd9\u4e9b\u534f\u8bae\u7684\u6027\u80fd\u8868\u73b0\u5404\u6709\u4f18\u52a3\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>CoAP<\/strong>\uff1aCoAP(Constrained Application Protocol)\u662f\u4e00\u79cd\u4e13\u4e3a\u4f4e\u529f\u8017\u8bbe\u5907\u8bbe\u8ba1\u7684\u7b80\u5316\u7248HTTP\u534f\u8bae\uff0c\u9002\u7528\u4e8e\u7269\u8054\u7f51\u573a\u666f\u3002\u5b83\u5177\u6709\u7ed3\u6784\u7b80\u5355\u3001\u4f20\u8f93\u53ef\u9760\u7684\u7279\u70b9\uff0c\u9002\u5408\u4e8e\u8d44\u6e90\u53d7\u9650\u7684\u73af\u5883\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>UDP<\/strong>\uff1aUDP(User Datagram Protocol)\u662f\u4e00\u79cd\u65e0\u8fde\u63a5\u7684\u4f20\u8f93\u5c42\u534f\u8bae\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u65b9\u5f0f\uff0c\u4f46\u4e0d\u4fdd\u8bc1\u6570\u636e\u5305\u7684\u987a\u5e8f\u548c\u5b8c\u6574\u6027\u3002\u5728NB-IoT\u6a21\u5757\u4e2d\uff0cUDP\u5e38\u7528\u4e8e\u900f\u4f20\u529f\u80fd\uff0c\u80fd\u591f\u5b9e\u73b0\u5feb\u901f\u7684\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>TCP<\/strong>\uff1aTCP(Transmission Control Protocol)\u662f\u4e00\u79cd\u9762\u5411\u8fde\u63a5\u7684\u4f20\u8f93\u5c42\u534f\u8bae\uff0c\u63d0\u4f9b\u53ef\u9760\u7684\u3001\u6709\u5e8f\u7684\u3001\u9519\u8bef\u6821\u9a8c\u7684\u6570\u636e\u4f20\u8f93\u670d\u52a1\u3002\u7136\u800c\uff0c\u5728\u8702\u7a9d\u7f51\u7edc\u73af\u5883\u4e0b\uff0cTCP\u8fde\u63a5\u53ef\u80fd\u4f1a\u53d7\u5230\u7f51\u7edc\u6ce2\u52a8\u7684\u5f71\u54cd\uff0c\u5bfc\u81f4\u8fde\u63a5\u4e0d\u7a33\u5b9a\uff0c\u5bb9\u6613\u65ad\u5f00\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>MQTT<\/strong>\uff1aMQTT(Message Queuing Telemetry Transport)\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u6d88\u606f\u4f20\u8f93\u534f\u8bae\uff0c\u9002\u7528\u4e8e\u7269\u8054\u7f51\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u5b83\u652f\u6301\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\uff0c\u80fd\u591f\u5b9e\u73b0\u4f4e\u5e26\u5bbd\u3001\u9ad8\u5ef6\u8fdf\u7684\u7f51\u7edc\u73af\u5883\u4e0b\u7684\u9ad8\u6548\u901a\u4fe1\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u652f\u6301\u7684\u591a\u79cd\u901a\u4fe1\u534f\u8bae\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6027\u80fd\u8868\u73b0\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>CoAP<\/strong>\uff1a\u9002\u7528\u4e8e\u8d44\u6e90\u53d7\u9650\u7684\u73af\u5883\uff0c\u4f20\u8f93\u53ef\u9760\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>UDP<\/strong>\uff1a\u9002\u7528\u4e8e\u9700\u8981\u5feb\u901f\u6570\u636e\u4f20\u8f93\u7684\u573a\u666f\uff0c\u4f46\u4e0d\u4fdd\u8bc1\u6570\u636e\u5305\u7684\u987a\u5e8f\u548c\u5b8c\u6574\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>TCP<\/strong>\uff1a\u63d0\u4f9b\u53ef\u9760\u7684\u3001\u6709\u5e8f\u7684\u6570\u636e\u4f20\u8f93\u670d\u52a1\uff0c\u4f46\u5728\u8702\u7a9d\u7f51\u7edc\u73af\u5883\u4e0b\u53ef\u80fd\u4e0d\u7a33\u5b9a\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>MQTT<\/strong>\uff1a\u9002\u7528\u4e8e\u4f4e\u5e26\u5bbd\u3001\u9ad8\u5ef6\u8fdf\u7684\u7f51\u7edc\u73af\u5883\uff0c\u80fd\u591f\u5b9e\u73b0\u9ad8\u6548\u7684\u901a\u4fe1\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u667a\u6167\u57ce\u5e02\u4e2dNB-IoT\u6a21\u5757\u662f\u5982\u4f55\u5b9e\u73b0\u4f4e\u529f\u8017\u548c\u9ad8\u6548\u7387\u901a\u8baf<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u667a\u6167\u57ce\u5e02\u9879\u76ee\u4e2d\uff0cNB-IoT\u6a21\u5757\u901a\u8fc7\u591a\u79cd\u6280\u672f\u624b\u6bb5\u5b9e\u73b0\u4f4e\u529f\u8017\u548c\u9ad8\u6548\u7387\u901a\u8baf\u3002\u9996\u5148\uff0cNB-IoT\u6280\u672f\u672c\u8eab\u662f\u4e00\u79cd\u4e13\u4e3a\u7269\u8054\u7f51\u8bbe\u8ba1\u7684\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u6280\u672f\uff0c\u5b83\u4f7f\u7528\u7a84\u5e26\u65e0\u7ebf\u7535\u9891\u8c31\u548c\u5148\u8fdb\u7684\u7535\u6e90\u7ba1\u7406\u6280\u672f\u6765\u9ad8\u6548\u5229\u7528\u53ef\u7528\u8d44\u6e90\u3002\u8fd9\u79cd\u6280\u672f\u80fd\u591f\u786e\u4fdd\u8bbe\u5907\u5728\u957f\u65f6\u95f4\u5185\u4fdd\u6301\u4f4e\u529f\u8017\u8fd0\u884c\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0cNB-IoT\u6a21\u5757\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u5b9e\u73b0\u4f4e\u529f\u8017\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f11\u7720\u6a21\u5f0f<\/strong>\uff1aNB-IoT\u6a21\u5757\u53ef\u4ee5\u5728\u5927\u90e8\u5206\u65f6\u95f4\u5904\u4e8e\u4f11\u7720\u72b6\u6001\uff0c\u53ea\u5728\u9700\u8981\u901a\u4fe1\u65f6\u5524\u9192\u5e76\u76d1\u542c\u7f51\u7edc\u7684\u5bfb\u547c\u4fe1\u53f7\u3002\u8fd9\u6837\u53ef\u4ee5\u5927\u5e45\u5ea6\u51cf\u5c11\u80fd\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u96c6\u6210\u5ea6\u63d0\u5347<\/strong>\uff1a\u901a\u8fc7\u82af\u7247\u96c6\u6210\u3001\u5c04\u9891\u524d\u6bb5\u5668\u4ef6\u96c6\u6210\u548c\u5b9a\u4f4d\u6a21\u5757\u96c6\u6210\u7b49\u65b9\u5f0f\u63d0\u5347\u96c6\u6210\u5ea6\uff0c\u51cf\u5c11\u901a\u8def\u63d2\u635f\uff0c\u4ece\u800c\u964d\u4f4e\u529f\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5668\u4ef6\u6027\u80fd\u4f18\u5316<\/strong>\uff1a\u4f18\u5316\u5668\u4ef6\u6027\u80fd\uff0c\u8fdb\u4e00\u6b65\u964d\u4f4e\u529f\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fe1\u53f7\u5904\u7406\u6280\u672f<\/strong>\uff1a\u5229\u7528\u73b0\u4ee3\u901a\u4fe1\u6280\u672f\u4e2d\u7684\u4fe1\u53f7\u5904\u7406\u6280\u672f\uff0c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u548c\u51c6\u786e\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 NB-IoT\u6a21\u5757\u5728\u667a\u6167\u519c\u4e1a\u9886\u57df\u7684\u5e94\u7528\u6848\u4f8b<\/h2>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u5728\u667a\u6167\u519c\u4e1a\u9886\u57df\u7684\u5e94\u7528\u6848\u4f8b\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul 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