{"id":96024,"date":"2024-07-26T16:38:59","date_gmt":"2024-07-26T08:38:59","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=96024"},"modified":"2024-07-26T16:39:05","modified_gmt":"2024-07-26T08:39:05","slug":"gmkhnmkdqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/96024.html","title":{"rendered":"4G\u6a21\u5757\u548cNB\u6a21\u5757\u7684\u533a\u522b"},"content":{"rendered":"\n<p>\u3000\u3000<strong>4G\u6a21\u5757<\/strong>\u548c<strong>NB\u6a21\u5757<\/strong>\u5728\u6280\u672f\u3001\u5e94\u7528\u573a\u666f\u548c\u6027\u80fd\u4e0a\u5b58\u5728\u663e\u8457\u533a\u522b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4ece\u6280\u672f\u5c42\u9762\u6765\u770b\uff0c4G\u6a21\u5757\u4e3b\u8981\u57fa\u4e8eLTE(\u957f\u671f\u6f14\u8fdb)\u534f\u8bae\uff0c\u5305\u62ecTD-LTE\u548cFDD-LTE\u4e24\u79cd\u5236\u5f0f\u3002\u5176\u8c03\u5236\u6280\u672f\u4e3aOFDM(\u6b63\u4ea4\u9891\u5206\u590d\u7528)\uff0c\u80fd\u591f\u63d0\u4f9b\u9ad8\u901f\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u8f83\u5bbd\u7684\u7f51\u7edc\u9891\u8c31\u3002\u800cNB-IoT\u6a21\u5757\u5219\u91c7\u7528\u7a84\u5e26\u7269\u8054\u7f51(NB-IoT)\u6280\u672f\uff0c\u5e26\u5bbd\u4ec5\u4e3a200KHz\uff0c\u76f8\u6bd44G\u768420MHz\u5e26\u5bbd\u8981\u7a84\u5f97\u591a\u3002\u6b64\u5916\uff0cNB-IoT\u6a21\u5757\u901a\u5e38\u5185\u7f6eSIM\u5361\u548c\u5929\u7ebf\uff0c\u652f\u6301\u677f\u8f7d\u5929\u7ebf\u4ee5\u51cf\u5c11\u8bbe\u8ba1\u590d\u6742\u5ea6\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5e94\u7528\u573a\u666f\u65b9\u9762\uff0c4G\u6a21\u5757\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u548c\u7a33\u5b9a\u8fde\u63a5\u7684\u573a\u666f\uff0c\u5982\u79fb\u52a8\u4e92\u8054\u7f51\u670d\u52a1\u3001\u9ad8\u6e05\u89c6\u9891\u4f20\u8f93\u3001\u8f66\u8f7d\u89c6\u9891\u76d1\u63a7\u3001\u624b\u6301\u6267\u6cd5\u7ec8\u7aef\u7b49\u3002\u8fd9\u4e9b\u5e94\u7528\u5bf9\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u8981\u6c42\u8f83\u9ad8\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cNB-IoT\u6a21\u5757\u66f4\u9002\u5408\u4f4e\u529f\u8017\u3001\u5e7f\u8986\u76d6\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u667a\u80fd\u7535\u8868\u3001\u8fdc\u7a0b\u76d1\u63a7\u8bbe\u5907\u3001\u5de5\u4e1a\u4f20\u611f\u5668\u7b49\u3002\u8fd9\u4e9b\u8bbe\u5907\u901a\u5e38\u9700\u8981\u957f\u65f6\u95f4\u5f85\u673a\u4e14\u529f\u8017\u8f83\u4f4e\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u529f\u8017\u65b9\u9762\uff0cNB-IoT\u6a21\u5757\u5177\u6709\u663e\u8457\u4f18\u52bf\u3002\u5b83\u80fd\u591f\u5728\u66f4\u4f4e\u7684\u529f\u8017\u6761\u4ef6\u4e0b\u5b9e\u73b0\u66f4\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u56e0\u6b64\u652f\u6301\u66f4\u591a\u7684\u8bbe\u5907\u8fde\u63a5\u3002\u800c4G\u6a21\u5757\u867d\u7136\u901a\u4fe1\u901f\u5ea6\u5feb\uff0c\u4f46\u5176\u529f\u8017\u76f8\u5bf9\u8f83\u9ad8\uff0c\u4e0d\u9002\u5408\u957f\u65f6\u95f4\u5f85\u673a\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u30004G\u6a21\u5757\u548cNB\u6a21\u5757\u5404\u6709\u7279\u70b9\u548c\u9002\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u30004G\u6a21\u5757\uff1a\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3001\u9ad8\u901a\u4fe1\u7075\u6d3b\u6027\u3001\u9002\u7528\u4e8e\u79fb\u52a8\u4e92\u8054\u7f51\u548c\u9ad8\u6e05\u89c6\u9891\u4f20\u8f93\u7b49\u9ad8\u5e26\u5bbd\u9700\u6c42\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u3000\u3000NB-IoT\u6a21\u5757\uff1a\u4f4e\u529f\u8017\u3001\u5e7f\u8986\u76d6\u3001\u9002\u5408\u4f4e\u901f\u7387\u3001\u4f4e\u80fd\u8017\u7684\u7269\u8054\u7f51\u8bbe\u5907\uff0c\u5982\u667a\u80fd\u7535\u8868\u548c\u8fdc\u7a0b\u76d1\u63a7\u8bbe\u5907\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u9009\u62e9\u54ea\u79cd\u6a21\u5757\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\u548c\u73af\u5883\u6761\u4ef6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 4G\u6a21\u5757\u548cNB-IoT\u6a21\u5757\u5728\u6700\u65b0\u6280\u672f\u6807\u51c6\u4e2d\u7684\u5177\u4f53\u5dee\u5f02\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u30004G\u6a21\u5757\u548cNB-IoT\u6a21\u5757\u5728\u6700\u65b0\u6280\u672f\u6807\u51c6\u4e2d\u7684\u5177\u4f53\u5dee\u5f02\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<p>\u3000\u30001.&nbsp;<strong>\u6570\u636e\u4f20\u8f93\u901f\u7387<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u30004G\u6a21\u5757\u63d0\u4f9b\u9ad8\u901f\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5176\u5cf0\u503c\u901f\u7387\u53ef\u4ee5\u8fbe\u5230100Mbps\u751a\u81f3\u66f4\u9ad8\u3002\u800cNB-IoT\u6a21\u5757\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\uff0c\u901a\u5e38\u53ea\u6709\u6570KBps\u5230\u6570MBps\u4e4b\u95f4\uff0c\u9002\u5408\u7a84\u5e26\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u30002.&nbsp;<strong>\u529f\u8017<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u5177\u6709\u6781\u4f4e\u7684\u529f\u8017\uff0c\u8fd9\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u9700\u8981\u957f\u65f6\u95f4\u8fd0\u884c\u4e14\u7535\u6c60\u5bb9\u91cf\u6709\u9650\u7684\u7269\u8054\u7f51\u8bbe\u5907\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c4G\u6a21\u5757\u7684\u529f\u8017\u8f83\u9ad8\uff0c\u4e0d\u9002\u5408\u957f\u65f6\u95f4\u5f85\u673a\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u30003.&nbsp;<strong>\u8986\u76d6\u8303\u56f4<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u91c7\u7528\u4f4e\u9891\u6bb5\u5de5\u4f5c\uff0c\u80fd\u591f\u8986\u76d6\u66f4\u5e7f\u7684\u5730\u7406\u533a\u57df\uff0c\u5305\u62ec\u504f\u8fdc\u5730\u533a\u548c\u57ce\u5e02\u8fb9\u7f18\u5730\u5e26\u3002\u800c4G\u6a21\u5757\u867d\u7136\u4e5f\u80fd\u8986\u76d6\u5e7f\u6cdb\u7684\u533a\u57df\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u4e0d\u5982NB-IoT\u6a21\u5757\u8868\u73b0\u4f18\u5f02\u3002<\/p>\n\n\n\n<p>\u3000\u30004.&nbsp;<strong>\u8bbe\u5907\u8fde\u63a5\u80fd\u529b<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u652f\u6301\u6d77\u91cf\u8bbe\u5907\u63a5\u5165\uff0c\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u7269\u8054\u7f51\u5e94\u7528\u3002\u800c4G\u6a21\u5757\u5219\u66f4\u591a\u7528\u4e8e\u652f\u6301\u591a\u5a92\u4f53\u670d\u52a1\u548c\u79fb\u52a8\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u3000\u30005.&nbsp;<strong>\u7cfb\u7edf\u5e26\u5bbd<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u5728\u4e0b\u884c\u548c\u4e0a\u884c\u94fe\u8def\u5206\u522b\u9700\u8981200kHz\u7684\u6700\u5c0f\u7cfb\u7edf\u5e26\u5bbd\uff0c\u800c4G\u6a21\u5757\u5219\u9700\u8981\u66f4\u5927\u7684\u5e26\u5bbd\u3002<\/p>\n\n\n\n<p>\u3000\u30006.&nbsp;<strong>\u517c\u5bb9\u6027<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u30004G\u6a21\u5757\u7531\u4e8e\u5df2\u7ecf\u5546\u7528\u591a\u5e74\uff0c\u5176\u6210\u719f\u6027\u548c\u7a33\u5b9a\u6027\u8f83\u9ad8\uff0c\u51e0\u4e4e\u53ef\u4ee5\u4e0e\u4efb\u4f55\u7f51\u7edc\u8fdb\u884c\u4e92\u8054\uff0c\u5927\u591a\u6570\u7ec8\u7aef\u8bbe\u5907\u5747\u53ef\u63a5\u51654G\u901a\u8baf\u7f51\u7edc\u3002NB-IoT\u6a21\u5757\u867d\u7136\u4e5f\u5b8c\u5168\u517c\u5bb9\u5168\u7403\u79fb\u52a8\u901a\u4fe1\u7cfb\u7edf\u548c4G\u7f51\u7edc\uff0c\u4f46\u5176\u8bbe\u8ba1\u521d\u8877\u662f\u4e3a\u4e86\u7269\u8054\u7f51\u8bbe\u5907\uff0c\u5728\u67d0\u4e9b\u65b9\u9762\u5e76\u4e0d\u5b8c\u5168\u5411\u540e\u517c\u5bb9\u4e4b\u524d\u76843GPP\u8bbe\u5907\u3002<\/p>\n\n\n\n<p>\u3000\u30004G\u6a21\u5757\u548cNB-IoT\u6a21\u5757\u5728\u6700\u65b0\u6280\u672f\u6807\u51c6\u4e2d\u5404\u6709\u4f18\u52bf\u548c\u9002\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 NB-IoT\u6a21\u5757\u7684\u529f\u8017\u4f18\u5316\u6280\u672f\u6709\u54ea\u4e9b\uff0c\u4e0e4G\u6a21\u5757\u76f8\u6bd4\u6548\u679c\u5982\u4f55?<\/h2>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u7684\u529f\u8017\u4f18\u5316\u6280\u672f\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>PSM(Power Saving Mode)\u6a21\u5f0f<\/strong>\uff1aPSM\u662f3GPP R12\u5f15\u5165\u7684\u4e00\u79cd\u4f4e\u529f\u8017\u6a21\u5f0f\uff0c\u5141\u8bb8\u7ec8\u7aef\u8bbe\u5907\u5728\u7a7a\u95f2\u4e00\u6bb5\u65f6\u95f4\u540e\u5173\u95ed\u4fe1\u53f7\u6536\u53d1\u548c\u63a5\u5165\u5c42(AS)\u76f8\u5173\u529f\u80fd\uff0c\u4ece\u800c\u51cf\u5c11\u5929\u7ebf\u3001\u5c04\u9891\u3001\u4fe1\u4ee4\u5904\u7406\u7b49\u7684\u529f\u8017\u6d88\u8017\u3002\u5f53\u6a21\u7ec4\u8fdb\u5165PSM\u6a21\u5f0f\u65f6\uff0c\u5b83\u4f1a\u505c\u6b62\u5927\u90e8\u5206\u8fde\u7f51\u6d3b\u52a8\uff0c\u4f46T3412\u5b9a\u65f6\u5668\u4ecd\u4f1a\u7ee7\u7eed\u5de5\u4f5c\uff0c\u6a21\u7ec4\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u5f0f\u9000\u51faPSM\uff1aDTE\u4e3b\u52a8\u53d1\u9001\u4e0a\u884c\u6570\u636e\u6216T3412\u5b9a\u65f6\u5668\u8d85\u65f6\u540e\u542f\u52a8TAU\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>eDRX(Extended DRX)\u6a21\u5f0f<\/strong>\uff1aeDRX\u7528\u4e8e\u5728\u7d27\u6025\u60c5\u51b5\u4e0b\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u8fde\u7f51\u6d3b\u52a8\uff0c\u901a\u8fc7\u5ef6\u957f\u8bbe\u5907\u7684\u5f85\u673a\u65f6\u95f4\u6765\u964d\u4f4e\u529f\u8017\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e26\u5bbd\u4fdd\u62a4(Guard Band)\u4f18\u5316<\/strong>\uff1a\u7814\u7a76\u8868\u660e\uff0c\u5728NB-IoT\u4e2d\u4f7f\u7528\u5e26\u5bbd\u4fdd\u62a4\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u80fd\u91cf\u6548\u7387(EE)\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u968f\u7740\u4fdd\u62a4\u5e26\u6570\u91cf\u7684\u589e\u52a0\uff0cEE\u663e\u8457\u63d0\u9ad8\uff0c\u56e0\u4e3a\u66f4\u591a\u7684\u4fdd\u62a4\u5e26\u53ef\u4ee5\u51cf\u5c11\u5e72\u6270\u5e76\u83b7\u5f97\u6700\u4f4e\u7684\u529f\u7387\u9700\u6c42\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0e4G\u6a21\u5757\u76f8\u6bd4\uff0cNB-IoT\u6a21\u5757\u5728\u529f\u8017\u65b9\u9762\u6709\u663e\u8457\u4f18\u52bf\u3002\u9996\u5148\uff0cNB-IoT\u6a21\u5757\u5904\u4e8e\u4f11\u7720\u72b6\u6001\u65f6\u7684\u529f\u8017\u4ec5\u4e3a15\u03bcW\uff0c\u8fdc\u4f4e\u4e8eGPRS\u548c\u5176\u4ed6\u4f20\u7edf\u8702\u7a9d\u7f51\u7edc\u6280\u672f\u3002\u5176\u6b21\uff0cNB-IoT\u6a21\u5757\u652f\u6301\u4f4e\u7535\u538b\u5de5\u4f5c\uff0c\u5373\u4f7f\u5728\u7535\u6c60\u7535\u538b\u4f4e\u81f33.0V\u65f6\u4ecd\u80fd\u6b63\u5e38\u5de5\u4f5c\uff0c\u5e76\u4e14\u5177\u6709\u81ea\u4e3b\u5524\u9192\u529f\u80fd\uff0c\u8fdb\u4e00\u6b65\u8282\u7ea6\u4e86\u529f\u8017\u3002\u6b64\u5916\uff0cNB-IoT\u6a21\u5757\u8fd8\u5177\u5907\u81ea\u4e3b\u7814\u53d1\u7684\u5d4c\u5165\u5f0f32\u4f4dARM V7-MCU\uff0c\u4ee5UDP\u7684\u5de5\u4f5c\u65b9\u5f0f\u5b9e\u73b0\u5b9a\u65f6\u81ea\u52a8\u5524\u9192\uff0c\u8fdb\u4e00\u6b65\u4f18\u5316\u4e86\u529f\u8017\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5b9e\u9645\u5e94\u7528\u4e2d4G\u6a21\u5757\u548cNB-IoT\u6a21\u5757\u7684\u6027\u80fd\u8868\u73b0<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d4G\u6a21\u5757\u548cNB-IoT\u6a21\u5757\u7684\u6027\u80fd\u8868\u73b0\u5b58\u5728\u663e\u8457\u5dee\u5f02\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u65b9\u9762\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4ece\u6570\u636e\u4f20\u8f93\u901f\u7387\u6765\u770b\uff0c4G\u6a21\u5757\u7684\u6027\u80fd\u660e\u663e\u4f18\u4e8eNB-IoT\u6a21\u5757\u3002\u4f8b\u5982\uff0cCat.1\u6a21\u5757\u7684\u4e0b\u884c\u5cf0\u503c\u901f\u7387\u4e3a\u7ea610Mbps\uff0c\u4e0a\u884c\u5cf0\u503c\u901f\u7387\u4e3a5Mbps;\u800cCat.4\u6a21\u5757\u7684\u4e0b\u884c\u5cf0\u503c\u901f\u7387\u4e3a150Mbps\uff0c\u4e0a\u884c\u5cf0\u503c\u901f\u7387\u4e3a50Mbps\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cNB-IoT\u6a21\u5757\u867d\u7136\u5177\u6709\u9ad8\u8fbe1Gbps\u7684\u5cf0\u503c\u901f\u7387\uff0c\u4f46\u5176\u8bbe\u8ba1\u521d\u8877\u662f\u9488\u5bf9\u7269\u8054\u7f51(IoT)\u573a\u666f\uff0c\u66f4\u591a\u5173\u6ce8\u7684\u662f\u4f4e\u529f\u8017\u548c\u5e7f\u57df\u8986\u76d6\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5173\u4e8e\u8fde\u63a5\u7a33\u5b9a\u6027\uff0c4G\u6a21\u5757\u7531\u4e8e\u5176\u6210\u719f\u7684\u6280\u672f\u548c\u5e7f\u6cdb\u7684\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd\u652f\u6301\uff0c\u901a\u5e38\u63d0\u4f9b\u66f4\u597d\u7684\u8fde\u63a5\u7a33\u5b9a\u6027\u548c\u517c\u5bb9\u6027\u3002\u6b64\u5916\uff0c4G\u6a21\u5757\u80fd\u591f\u652f\u6301\u591a\u79cd\u65e0\u7ebf\u534f\u8bae\uff0c\u5305\u62ecWi-Fi\u3001\u84dd\u7259\u7b49\uff0c\u8fd9\u8fdb\u4e00\u6b65\u589e\u5f3a\u4e86\u5176\u5728\u4e0d\u540c\u5e94\u7528\u573a\u666f\u4e2d\u7684\u7075\u6d3b\u6027\u548c\u53ef\u9760\u6027\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cNB-IoT\u6a21\u5757\u867d\u7136\u5728\u4fe1\u53f7\u7a7f\u900f\u80fd\u529b\u548c\u8986\u76d6\u8303\u56f4\u4e0a\u8868\u73b0\u51fa\u8272\uff0c\u4f46\u5728\u9ad8\u6570\u636e\u901f\u7387\u4f20\u8f93\u65b9\u9762\u5219\u4e0d\u59824G\u6a21\u5757\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u9700\u8981\u9ad8\u901f\u7387\u548c\u9ad8\u7a33\u5b9a\u6027\u7684\u5e94\u7528\u4e2d\uff0c\u5982\u79fb\u52a8\u4e92\u8054\u7f51\u63a5\u5165\u548c\u9ad8\u6e05\u89c6\u9891\u4f20\u8f93\uff0c4G\u6a21\u5757\u66f4\u5177\u4f18\u52bf;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u672a\u6765\u7269\u8054\u7f51\u53d1\u5c55\u8d8b\u52bf4G\u6a21\u5757\u548cNB-IoT\u6a21\u5757\u7684\u6280\u672f\u53d1\u5c55<\/h2>\n\n\n\n<p>\u3000\u3000\u9488\u5bf9\u672a\u6765\u7269\u8054\u7f51\u53d1\u5c55\u8d8b\u52bf\uff0c4G\u6a21\u5757\u548cNB-IoT\u6a21\u5757\u7684\u6280\u672f\u53d1\u5c55\u65b9\u5411\u5206\u522b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. 4G\u6a21\u5757\u7684\u6280\u672f\u53d1\u5c55\u65b9\u5411<\/h3>\n\n\n\n<p>\u3000\u3000\u968f\u77405G\u65b0\u65e0\u7ebf\u7535(NR)\u6280\u672f\u7684\u5f15\u5165\uff0c4G\u6a21\u5757\u5c06\u663e\u8457\u63d0\u9ad8\u5176\u6570\u636e\u541e\u5410\u91cf\u548c\u964d\u4f4e\u5ef6\u8fdf\u3002\u8fd9\u4f7f\u5f974G\u80fd\u591f\u652f\u6301\u66f4\u591a\u9700\u8981\u9ad8\u541e\u5410\u91cf\u3001\u4f4e\u5ef6\u8fdf\u548c\u5927\u6570\u636e\u91cf\u7684\u5e7f\u57df\u533a\u57df\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u30004G\u6a21\u5757\u5c06\u7ee7\u7eed\u652f\u6301\u5bbd\u5e26\u7269\u8054\u7f51\u7684\u5e94\u7528\uff0c\u8fd9\u4e9b\u5e94\u7528\u5305\u62ec\u9700\u8981\u66f4\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u66f4\u5927\u5e26\u5bbd\u7684\u573a\u666f\u3002\u9884\u8ba1\u52302026\u5e74\uff0c44%\u7684\u8702\u7a9d\u7269\u8054\u7f51\u8fde\u63a5\u5c06\u662f\u5bbd\u5e26\u7269\u8054\u7f51\uff0c\u5176\u4e2d4G\u5c06\u5360\u591a\u6570\u3002<\/p>\n\n\n\n<p>\u3000\u30004G\u6a21\u5757\u53ef\u4ee5\u5e73\u6ed1\u5730\u8fc7\u6e21\u52305G\u7f51\u7edc\uff0c\u5e76\u5728\u65e7\u7248\u548c\u65b0\u9891\u8c31\u4e2d\u7ee7\u7eed\u90e8\u7f72\u3002\u8fd9\u79cd\u8fc7\u6e21\u5c06\u786e\u4fdd\u73b0\u6709\u8bbe\u5907\u548c\u5e94\u7528\u80fd\u591f\u5728\u65b0\u7684\u7f51\u7edc\u67b6\u6784\u4e0b\u65e0\u7f1d\u8fd0\u884c\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5173\u952e\u7269\u8054\u7f51\u9886\u57df\uff0c4G\u6a21\u5757\u5c06\u5f15\u5165\u9ad8\u7ea7\u7684\u65f6\u95f4\u654f\u611f\u901a\u4fe1\u80fd\u529b\uff0c\u4ee5\u6ee1\u8db3\u7279\u5b9a\u884c\u4e1a\u5bf9\u6570\u636e\u4f20\u8f93\u53ef\u9760\u6027\u548c\u5ef6\u8fdf\u8981\u6c42\u9ad8\u7684\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u5173\u952e\u7269\u8054\u7f51\u5c06\u57285G\u7f51\u7edc\u4e2d\u5f15\u5165\uff0c\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u548c\u4f4e\u5ef6\u8fdf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. NB-IoT\u6a21\u5757\u7684\u6280\u672f\u53d1\u5c55\u65b9\u5411<\/h3>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u9762\u4e34\u7684\u4e00\u4e2a\u4e3b\u8981\u95ee\u9898\u662f\u6570\u636e\u5b89\u5168\u4e0e\u4f20\u8f93\u53ef\u9760\u6027\u3002\u56e0\u6b64\uff0c\u672a\u6765\u7684\u53d1\u5c55\u65b9\u5411\u4e4b\u4e00\u662f\u52a0\u5f3a\u7f51\u7edc\u5b89\u5168\u63aa\u65bd\uff0c\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u4e5f\u5728\u5411\u5bbd\u5e26\u7269\u8054\u7f51(WB-IoT)\u6f14\u8fdb\uff0c\u4ee5\u652f\u6301\u66f4\u591a\u9ad8\u901f\u7387\u7684\u7269\u8054\u7f51\u8bbe\u5907\u8fde\u63a5\u9700\u6c42\u3002\u8fd9\u4e00\u6f14\u8fdb\u5c06\u4f7fNB-IoT\u80fd\u591f\u66f4\u597d\u5730\u5e94\u5bf9\u7269\u8054\u7f51\u8bbe\u5907\u8fde\u63a5\u9700\u6c42\u7684\u591a\u6837\u5316\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u9762\u5bf9\u7269\u8054\u7f51\u8bbe\u5907\u8fde\u63a5\u9700\u6c42\u7684\u4f4e\u3001\u4e2d\u3001\u9ad8\u901f\u7387\u5171\u5b58\u95ee\u9898\uff0cNB-IoT\u6a21\u5757\u5c06\u53d1\u5c55\u51fa\u652f\u6301\u591a\u901f\u7387\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4ee5\u9002\u5e94\u4e0d\u540c\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5305\u62ec\u79fb\u52a8\u7269\u8054\u7f51\u589e\u5f3a\u6280\u672f\u3001\u5b9a\u4f4d\u589e\u5f3a\u6280\u672f\u548c\u667a\u80fd\u7f51\u7edc\u7b49\u5728\u5185\u7684\u591a\u9879\u589e\u5f3a\u6280\u672f\u5c06\u88ab\u5e94\u7528\u4e8eNB-IoT\u6a21\u5757\u4e2d\uff0c\u4ee5\u63d0\u5347\u5176\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB-IoT\u6a21\u5757\u5c06\u7ee7\u7eed\u5f3a\u8c03\u5168\u7403\u6027\u8986\u76d6\u7387\u548c\u79fb\u52a8\u6027\uff0c\u4ee5\u6ee1\u8db3\u67d0\u4e9b\u5e94\u7528\u5bf9\u5e7f\u6cdb\u8986\u76d6\u548c\u79fb\u52a8\u6027\u7684\u9700\u6c42\u3002\u8fd9\u5c06\u4f7f\u5176\u5728\u5168\u7403\u8303\u56f4\u5185\u5f97\u5230\u66f4\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u30004G\u6a21\u5757\u548cNB-IoT\u6a21\u5757\u5728\u672a\u6765\u7269\u8054\u7f51\u53d1\u5c55\u4e2d\u5404\u6709\u4fa7\u91cd\uff0c\u524d\u8005\u6ce8\u91cd\u63d0\u5347\u6570\u636e\u541e\u5410\u91cf\u548c\u964d\u4f4e\u5ef6\u8fdf\uff0c\u540e\u8005\u5219\u81f4\u529b\u4e8e\u63d0\u9ad8\u6570\u636e\u5b89\u5168\u6027\u548c\u4f20\u8f93\u53ef\u9760\u6027\uff0c\u5e76\u9010\u6b65\u5411\u5bbd\u5e26\u7269\u8054\u7f51\u6f14\u8fdb\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 \u5982\u4f55\u6839\u636e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u9009\u62e9\u4f7f\u75284G\u6a21\u5757\u8fd8\u662fNB-IoT\u6a21\u5757?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u9009\u62e9\u4f7f\u75284G\u6a21\u5757\u8fd8\u662fNB-IoT\u6a21\u5757\u65f6\uff0c\u9700\u8981\u6839\u636e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u6765\u51b3\u5b9a\u3002\u4ee5\u4e0b\u662f\u4e24\u79cd\u6a21\u5757\u7684\u4e3b\u8981\u533a\u522b\u53ca\u5176\u9002\u7528\u573a\u666f\u7684\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u529f\u8017\u548c\u8986\u76d6\u8303\u56f4<\/h3>\n\n\n\n<ul 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class=\"wp-block-heading\">\u3000\u30002. \u6210\u672c\u548c\u8fde\u63a5\u6570\u91cf<\/h3>\n\n\n\n<ul 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