{"id":98776,"date":"2024-11-04T14:21:44","date_gmt":"2024-11-04T06:21:44","guid":{"rendered":"\/\/www.viralrail.com\/?p=98776"},"modified":"2024-11-04T14:21:48","modified_gmt":"2024-11-04T06:21:48","slug":"njzhgjzqbjs","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/98776.html","title":{"rendered":"NB\u57fa\u7ad9\u548c4G\u57fa\u7ad9\u533a\u522b\u4ecb\u7ecd"},"content":{"rendered":"\n<p>\u3000\u3000<strong>NB\u57fa\u7ad9<\/strong>\u548c<strong>4G\u57fa\u7ad9<\/strong>\u662f\u4e24\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u901a\u4fe1\u57fa\u7ad9\uff0c\u5404\u81ea\u5177\u6709\u4e0d\u540c\u7684\u7279\u70b9\u548c\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB\u57fa\u7ad9\uff0c\u5373NB-IoT\u57fa\u7ad9\uff0c\u662f\u4e00\u79cd\u57fa\u4e8e\u8702\u7a9d\u7f51\u7edc\u7684\u7a84\u5e26\u7269\u8054\u7f51\u6280\u672f\u3002\u5b83\u4e3b\u8981\u7528\u4e8e\u7269\u8054\u7f51\u5e94\u7528\uff0c\u5982\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u7269\u6d41\u548c\u667a\u80fd\u519c\u4e1a\u7b49\u9886\u57df\u3002NB-IoT\u57fa\u7ad9\u5177\u6709\u4f4e\u529f\u8017\u3001\u5e7f\u8986\u76d6\u3001\u5927\u8fde\u63a5\u7684\u7279\u70b9\uff0c\u9002\u7528\u4e8e\u9700\u8981\u957f\u65f6\u95f4\u5f85\u673a\u4e14\u5bf9\u7f51\u7edc\u8fde\u63a5\u8981\u6c42\u8f83\u9ad8\u7684\u8bbe\u5907\u3002NB-IoT\u57fa\u7ad9\u7684\u8986\u76d6\u534a\u5f84\u7ea6\u4e3a10\u516c\u91cc\uff0c\u662f\u4f20\u7edf4G\u5b8f\u57fa\u7ad9\u7684\u7ea625\u500d\uff0c\u4e14\u4fe1\u53f7\u7a7f\u900f\u529b\u5f3a\uff0c\u80fd\u591f\u8986\u76d6\u5230\u5730\u4e0b\u8f66\u5e93\u3001\u5730\u4e0b\u5ba4\u7b49\u4fe1\u53f7\u96be\u4ee5\u5230\u8fbe\u7684\u5730\u65b9\u3002\u6b64\u5916\uff0cNB-IoT\u57fa\u7ad9\u652f\u6301\u6d77\u91cf\u8fde\u63a5\uff0c\u4e00\u4e2a\u4e0d\u8db3200KHz\u9891\u7387\u7684\u6247\u533a\u80fd\u591f\u652f\u630110\u4e07\u4e2a\u8fde\u63a5\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u76f8\u6bd4\u4e4b\u4e0b\uff0c4G\u57fa\u7ad9\u662fLTE\u6280\u672f\u7684\u6838\u5fc3\u7ec4\u6210\u90e8\u5206\uff0c\u4e3b\u8981\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u548c\u4e92\u8054\u7f51\u63a5\u5165\u30024G\u57fa\u7ad9\u9002\u7528\u4e8e\u79fb\u52a8\u7535\u8bdd\u3001\u79fb\u52a8\u5bbd\u5e26\u548c\u5b9e\u65f6\u4f20\u8f93\u7684\u8bbe\u5907\u30024G\u57fa\u7ad9\u8bbe\u5907\u901a\u5e38\u5305\u62ec\u57fa\u5e26\u5904\u7406\u5355\u5143(BBU)\u3001\u8fdc\u7aef\u5c04\u9891\u5904\u7406\u5355\u5143(RRU)\u548c\u5929\u7ebf\u7cfb\u7edf\u30024G\u57fa\u7ad9\u63d0\u4f9b\u8f83\u9ad8\u7684\u6570\u636e\u901f\u7387\u548c\u8f83\u4f4e\u7684\u5ef6\u8fdf\uff0c\u9002\u5408\u9700\u8981\u5bbd\u5e26\u901f\u7387\u3001\u7a33\u5b9a\u6027\u548c\u65f6\u6548\u6027\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000NB\u57fa\u7ad9\u548c4G\u57fa\u7ad9\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u5b83\u4eec\u7684\u6280\u672f\u7279\u70b9\u548c\u5e94\u7528\u573a\u666f\u3002NB\u57fa\u7ad9\u4fa7\u91cd\u4e8e\u4f4e\u529f\u8017\u3001\u5e7f\u8986\u76d6\u548c\u5927\u8fde\u63a5\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u7269\u8054\u7f51\u5e94\u7528;\u800c4G\u57fa\u7ad9\u5219\u4fa7\u91cd\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u548c\u5b9e\u65f6\u901a\u4fe1\uff0c\u9002\u7528\u4e8e\u79fb\u52a8\u7535\u8bdd\u548c\u5bbd\u5e26\u63a5\u5165\u7b49\u573a\u666f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 NB-IoT\u57fa\u7ad9\u7684\u6280\u672f\u89c4\u683c\u548c\u6027\u80fd\u53c2\u6570\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000NB-IoT(\u7a84\u5e26\u7269\u8054\u7f51)\u57fa\u7ad9\u7684\u6280\u672f\u89c4\u683c\u548c\u6027\u80fd\u53c2\u6570\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u5de5\u4f5c\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u4e0a\u884c\u9891\u6bb5\uff1a825MHz\uff5e835MHz\u3001889MHz\uff5e915MHz\u30011710MHz\uff5e1785MHz\u30011920MHz\uff5e1980MHz\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0b\u884c\u9891\u6bb5\uff1a870MHz\uff5e880MHz\u3001934MHz\uff5e960MHz\u30011805MHz\uff5e1880MHz\u30012110MHz\uff5e2170MHz\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u4fe1\u9053\u5e26\u5bbd<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000NB-IoT\u5728\u975e\u5e38\u72ed\u7a84\u7684\u5e26\u5bbd\u4e2d\u8fd0\u884c\uff0c\u901a\u5e38\u4e3a180 kHz\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u901f\u7387<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u4e0a\u884c\u901f\u7387\uff1a\u5c0f\u4e8e250kbps(Multi-tone)\/20-40kbps(Single-tone)\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0b\u884c\u901f\u7387\uff1a\u5c0f\u4e8e250kbps\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u5ef6\u8fdf<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000NB-IoT\u5177\u67091.6\u523010\u79d2\u7684\u5ef6\u8fdf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005.&nbsp;<strong>\u529f\u8017<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000NB-IoT\u8bbe\u8ba1\u4e3a\u4f4e\u529f\u8017\u6280\u672f\uff0c\u652f\u6301\u591a\u79cd\u7761\u7720\u6a21\u5f0f\u548c\u529f\u7387\u6291\u5236\u6bd4(PSM)\uff0c\u4f8b\u5982800nA\u7684PSM\uff0cDRX\u5178\u578b\u503c\u4e3a110uA\uff0cRX\u5178\u578b\u503c\u4e3a10mA\uff0cTX\u5178\u578b\u503c\u4e3a24mA\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30006.&nbsp;<strong>\u8f93\u51fa\u529f\u7387<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u57fa\u7ad9\u8f93\u51fa\u529f\u7387\u8981\u6c42\u9002\u7528\u4e8e\u6240\u6709\u64cd\u4f5c\u6a21\u5f0f\u3002\u6700\u5927\u603b\u8f93\u51fa\u529f\u7387\u3001\u6700\u5927RAT\u8f93\u51fa\u529f\u7387\u548c\u6700\u5927\u8f7d\u6ce2\u8f93\u51fa\u529f\u7387\u7b49\u53c2\u6570\u9700\u8981\u6839\u636e\u5236\u9020\u5546\u58f0\u660e\u7684\u9650\u5236\u6765\u786e\u5b9a\u3002\u5bf9\u4e8eNB-IoT\u72ec\u7acb\u64cd\u4f5c\uff0c\u5728\u7279\u5b9a\u9891\u6bb5\u4e2d\u7684\u989d\u5b9a\u8f93\u51fa\u529f\u7387\u9650\u5236\u4e3a43 dBm\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30007.&nbsp;<strong>\u6280\u672f\u6807\u51c6<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u7b26\u54083GPP TS24\u3001TS36 Release 14\u3001Release 15\u7b49\u76f8\u5173\u89c4\u8303\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30008.&nbsp;<strong>\u5176\u4ed6\u7279\u6027<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u652f\u6301\u591a\u97f3\u8c03NPUSCH\u3001\u951a\u70b9\u548c\u975e\u951a\u70b9\u8f7d\u6ce2\u3001\u5e26\u5185\u540c\/\u4e0d\u540cPCI\u3001\u4fdd\u62a4\u5e26\u3001\u72ec\u7acb\u5de5\u4f5c\u7ad9\u3001\u591a\u8f7d\u6ce2\u5bfb\u547c\u3001NPRACH\u3001\u5b9a\u4f4d\u6280\u672f\u5305\u62ecOTDOA\u548cECID\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 4G\u57fa\u7ad9\u652f\u6301\u7684\u6700\u5927\u8fde\u63a5\u6570\u548c\u6570\u636e\u4f20\u8f93\u901f\u7387\u662f\u591a\u5c11?<\/h2>\n\n\n\n<p>\u3000\u30004G\u57fa\u7ad9\u652f\u6301\u7684\u6700\u5927\u8fde\u63a5\u6570\u548c\u6570\u636e\u4f20\u8f93\u901f\u7387\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u6570\u636e\u4f20\u8f93\u901f\u7387\uff1a<\/h3>\n\n\n\n<p>\u3000\u30004G\u7f51\u7edc\u7684\u4e0b\u884c\u5cf0\u503c\u901f\u7387\u53ef\u4ee5\u8fbe\u5230100Mbps\uff0c\u4e0a\u884c\u5cf0\u503c\u901f\u7387\u4e3a50Mbps\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u901a\u8fc7\u8f7d\u6ce2\u805a\u5408\u6280\u672f(Carrier Aggregation)\uff0c4G+\u7f51\u7edc\u7684\u7406\u8bba\u4e0b\u884c\u5cf0\u503c\u901f\u5ea6\u53ef\u8fbe\u5230300Mbps\uff0c\u800c\u4e0a\u884c\u901f\u5ea6\u4e5f\u80fd\u8fbe\u523050Mbps\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u6700\u5927\u8fde\u63a5\u6570\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5173\u4e8e4G\u57fa\u7ad9\u652f\u6301\u7684\u6700\u5927\u8fde\u63a5\u6570\uff0c\u6211\u641c\u7d22\u5230\u7684\u8d44\u6599\u4e2d\u6ca1\u6709\u76f4\u63a5\u63d0\u5230\u5177\u4f53\u7684\u6570\u5b57\u3002\u7136\u800c\uff0c5G\u57fa\u7ad9\u652f\u6301\u7684\u5355\u4f4d\u9762\u79ef\u8fde\u63a5\u6570\u9ad8\u8fbe100\u4e07\/\u5e73\u65b9\u516c\u91cc\u3002\u867d\u7136\u8fd9\u662f\u9488\u5bf95G\u7684\u6570\u636e\uff0c\u4f46\u53ef\u4ee5\u63a8\u6d4b4G\u57fa\u7ad9\u7684\u8fde\u63a5\u6570\u53ef\u80fd\u76f8\u5bf9\u8f83\u4f4e\u3002<\/p>\n\n\n\n<p>\u3000\u30004G\u57fa\u7ad9\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u5728\u6807\u51c6\u60c5\u51b5\u4e0b\u4e3a\u4e0b\u884c100Mbps\u548c\u4e0a\u884c50Mbps\uff0c\u800c\u5728\u4f7f\u7528\u8f7d\u6ce2\u805a\u5408\u6280\u672f\u7684\u60c5\u51b5\u4e0b\uff0c\u4e0b\u884c\u901f\u7387\u53ef\u63d0\u5347\u81f3300Mbps\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 NB-IoT\u4e0e4G\u6280\u672f\u5728\u6210\u672c\u6548\u76ca\u65b9\u9762\u7684\u6bd4\u8f83\u5982\u4f55?<\/h3>\n\n\n\n<p>\u3000\u3000NB-IoT\u4e0e4G\u6280\u672f\u5728\u6210\u672c\u6548\u76ca\u65b9\u9762\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002\u6839\u636e\u591a\u9879\u8bc1\u636e\uff0cNB-IoT\u5177\u6709\u660e\u663e\u7684\u6210\u672c\u4f18\u52bf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4ece\u7f51\u7edc\u5efa\u8bbe\u7684\u89d2\u5ea6\u6765\u770b\uff0cNB-IoT\u4e0d\u9700\u8981\u91cd\u5efa\u73b0\u6709\u7f51\u7edc\uff0c\u800c\u662f\u53ef\u4ee5\u5728\u73b0\u6709\u76844G 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