{"id":196,"date":"2019-01-21T10:05:16","date_gmt":"2019-01-21T02:05:16","guid":{"rendered":"http:\/\/www.xzclass.com\/?p=196"},"modified":"2022-03-01T14:27:51","modified_gmt":"2022-03-01T06:27:51","slug":"emtc%e7%89%a9%e8%81%94%e7%bd%91%ef%bc%8c%e5%92%8cnb-iot%e6%9c%89%e4%bb%80%e4%b9%88%e5%85%b3%e7%b3%bb%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/www.xzclass.com\/?p=196","title":{"rendered":"eMTC\u7269\u8054\u7f51\uff0c\u548cNB-IoT\u6709\u4ec0\u4e48\u5173\u7cfb\uff1f"},"content":{"rendered":"
<\/section>\n

\u8fd9\u51e0\u5e74\uff0c\u7269\u8054\u7f51\u6280\u672f\u9010\u6e10\u6210\u4e3a\u4e86\u4eba\u4eec\u5173\u6ce8\u7684\u91cd\u70b9\u3002<\/span>
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\u968f\u7740\u79fb\u52a8\u901a\u4fe1\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5728\u4f20\u7edf\u201c\u77ed\u8ddd\u79bb<\/span>\u201d\u7269\u8054\u7f51\u6280\u672f\u7684\u57fa\u7840\u4e0a\uff0c\u6d8c\u73b0\u4e86\u5f88\u591a\u201c\u957f\u8ddd\u79bb\u201d\u7269\u8054\u7f51\u6280\u672f<\/strong>\uff0c\u7ed9\u884c\u4e1a\u5e26\u6765\u4e86\u4e00\u9635\u6625\u98ce\u3002<\/span><\/p>\n


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\u8fd9\u4e9b\u65b0\u5174\u7269\u8054\u7f51\u6280\u672f\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u6700\u591a\u7684\uff0c\u5c31\u662fNB-IoT\u548cLoRa\u3002<\/span><\/span><\/p>\n

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\u4f5c\u4e3a\u6700\u53d7\u8ffd\u6367\u7684\u7269\u8054\u7f51\u6280\u672f\uff0cNB-IoT\u7684\u706b\u70ed\u7a0b\u5ea6\u6bcb\u5eb8\u7f6e\u7591\u3002<\/span><\/p>\n

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\u5176\u5b9e\uff0c\u9664\u4e86\u5b83\u4fe9\u4e4b\u5916\uff0c\u8fd8\u6709\u4e00\u9879\u6280\u672f\uff0c\u5e94\u7528\u4e5f\u5f88\u5e7f\u6cdb\uff0c\u66fe\u7ecf\u4e00\u5ea6\u88ab\u8ba4\u4e3a\u4f1a\u4e09\u5206\u5929\u4e0b\u6709\u5176\u4e00\u3002<\/span><\/p>\n

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\u5b83\u5c31\u662f\u6211\u4eec\u4eca\u5929\u6587\u7ae0\u7684\u4e3b\u89d2\u2014\u2014eMTC\u3002<\/span><\/p>\n

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\u201c\u4e07\u7269\u4e92\u8054\u201d\u662f\u4e00\u5757\u5de8\u5927\u65e0\u6bd4\u7684\u86cb\u7cd5\u3002\u4e3a\u4e86\u74dc\u5206\u8fd9\u5757\u86cb\u7cd5\uff0c\u5f88\u591a\u4f01\u4e1a\u90fd\u8feb\u4e0d\u53ca\u5f85\u7684\u53c2\u4e0e\u7269\u8054\u7f51\u6280\u672f\u7684\u7814\u53d1\u4e2d\u3002\u884c\u4e1a\u91cc\u4e5f\u9646\u7eed\u51fa\u73b0\u4e86\u5404\u79cd\u5404\u6837\u7684\u7269\u8054\u7f51\u6280\u672f\u6807\u51c6\uff0c\u4ee4\u4eba\u773c\u82b1\u7f2d\u4e71\u3002<\/span><\/p>\n

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\u4ece\u603b\u4f53\u4e0a\u6765\u770b\uff0c\u7269\u8054\u7f51\u6280\u672f\u88ab\u5206\u4e3a\u4e24\u4e2a\u5927\u7c7b\uff1a<\/span>WLAN\u7269\u8054\u7f51<\/strong>\u548c<\/span>\u8702\u7a9d\u7269\u8054\u7f51<\/strong>\u3002<\/span>

<\/p>\n

WLAN\u7269\u8054\u7f51\uff0c\u4ee5Wi-Fi\u3001Bluetooth\u3001Zigbee\u3001Z-wave\u4e3a\u4ee3\u8868\u3002<\/span><\/p>\n

\u8702\u7a9d\u7269\u8054\u7f51\uff0c\u4ee5NB-IoT\u3001eMTC\u3001LoRa\u3001Sigfox\u4e3a\u4ee3\u8868\u3002<\/span><\/p>\n


<\/p>\n

\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u4e3b\u8981\u5728\u4e8e\u529f\u8017\u548c\u8ddd\u79bb\u3002\u6709\u70b9\u7c7b\u4f3c\u4e8e\u624b\u673a\u4e0a\u7f51\uff0c\u7528Wi-Fi\uff0c\u8fd8\u662f\u7528\u6570\u636e\u4e1a\u52a1\u3002<\/span><\/p>\n


<\/p>\n

\u4ee5\u524d\u7684\u7269\u8054\u7f51\uff0c\u662fWLAN\u7269\u8054\u7f51\u6280\u672f\u7684\u5929\u4e0b\uff0c\u4f46\u662f\uff0c\u8fd9\u51e0\u5e74\uff0c\u8702\u7a9d\u7269\u8054\u7f51\u6280\u672f\u5d1b\u8d77\uff0c\u62a2\u5c3d\u4e86\u98ce\u5934\u3002<\/span><\/p>\n

<\/p>\n

\u8702\u7a9d\u7269\u8054\u7f51\u6280\u672f\uff0c\u4e5f\u5c5e\u4e8eLPWA\u6280\u672f\uff08Low Power Wide Area\uff0c\u4f4e\u529f\u8017\u5e7f\u57df\u7f51\uff09<\/strong>\u3002<\/span><\/p>\n

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LPWA\u6280\u672f\uff0c\u8986\u76d6\u8ddd\u79bb\u66f4\u8fdc\uff0c\u529f\u8017\u66f4\u4f4e\uff0c\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u66f4\u9ad8\uff0c\u66f4\u80fd\u6ee1\u8db3\u884c\u4e1a\u9700\u6c42\u3002<\/span><\/p>\n

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LPWA\u7684\u5b9a\u4f4d\uff1a\u8fdc\u8986\u76d6\u3001\u4f4e\u901f\u7387<\/span><\/p>\n


<\/p>\n

\u5728\u8702\u7a9d\u7269\u8054\u7f51\u91cc\u9762\uff0c\u53c8\u5206\u4e3a\u82e5\u5e72\u4e2a\u9635\u8425\u3002<\/span>
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\u76ee\u524d\u901a\u4fe1\u884c\u4e1a\u6700\u5927\u7684\u6d3e\u7cfb\u2014\u20143GPP\u7ec4\u7ec7\uff083GPP\u662f\u4ec0\u4e48\uff1f<\/a>\uff09\uff0c\u5c31\u662f\u5176\u4e2d\u7684\u9635\u8425\u4e4b\u4e00\u3002<\/span><\/p>\n

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eMTC\u548cNB-IoT\uff0c\u90fd\u662f3GPP\u63a8\u51fa\u7684\u6280\u672f\u6807\u51c6\u3002<\/span><\/strong>

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\u786e\u5207\u5730\u8bf4\uff0c\u57283GPP\u89c4\u8303\u4e2d\uff0c\u6709\u4e09\u79cd\u5173\u4e8e\u7269\u8054\u7f51\u7684\u65e0\u7ebf\u8fde\u63a5\u6280\u672f\uff0c\u5206\u522b\u662fNB-IoT\u3001eMTC\u3001EC-GSM\u3002EC-GSM\u662f\u57fa\u4e8eGSM\uff082G<\/span>\uff09\u6280\u672f\u7684\uff0c\u73b0\u5728\u57fa\u672c\u4e0a\u4e0d\u5173\u6ce8\u4e86\u3002\u6240\u4ee5\uff0c\u91cd\u70b9\u5c31\u662fNB-IoT\u548ceMTC\u3002<\/span><\/p>\n


<\/p>\n

NB-IoT\u548ceMTC\u53c8\u662f\u600e\u4e48\u6765\u7684\u5462\uff1f<\/strong><\/span><\/p>\n


<\/p>\n

\u8bdd\u8bf4\uff0c\u4f5c\u4e3aLTE\u7684\u7f14\u9020\u8005\uff0c3GPP\u7ec4\u7ec7\u4e00\u76f4\u5c06\u7269\u8054\u7f51\u4f5c\u4e3aLTE\u7684\u91cd\u8981\u6f14\u8fdb\u65b9\u5411\u3002<\/span><\/p>\n


<\/p>\n

\u65e9\u57282008\u5e74\uff0cLTE\u7684\u7b2c\u4e00\u4e2a\u7248\u672cR8\uff08Release 8\uff09\u4e2d\uff0c\u9664\u4e86\u6709\u6ee1\u8db3\u5bbd\u5e26\u591a\u5a92\u4f53\u5e94\u7528\u7684Cat.3\u3001Cat.4\u3001Cat.5\u7b49\u7ec8\u7aef\u7b49\u7ea7\u5916\uff0c\u4e5f\u6709\u4e0a\u884c\u5cf0\u503c\u901f\u7387\u4ec5\u67095Mbit\/s\u7684\u7ec8\u7aef\u7b49\u7ea7Cat.1\uff0c\u53ef\u7528\u4e8e\u7269\u8054\u7f51\u7b49\u201c\u4f4e\u901f\u7387\u201d\u5e94\u7528\u3002<\/span><\/p>\n


<\/p>\n

\u6ce8\u610f\uff01\u8fd9\u91cc\u7684Cat\u5e76\u4e0d\u662f\u732b\u7684\u610f\u601d\uff0c\u662fCategory<\/strong>\u7684\u7f29\u5199\uff0c\u201c\u79cd\u7c7b\uff0c\u5206\u7c7b\u201d\u7684\u610f\u601d\u3002Cat.X\u8bf4\u7684\u5c31\u662fUE-Category\uff0cUE\u662f\u7528\u6237\u8bbe\u5907\uff08User Equipment \uff09\u3002Cat.X\u8fd9\u4e2a\u503c\u5c31\u662f\u7528\u6765\u8861\u91cf\u7528\u6237\u7ec8\u7aef\u8bbe\u5907\u65e0\u7ebf\u6027\u80fd\u7684\uff0c\u8bf4\u767d\u4e86\u5c31\u662f\u7528\u6765\u5212\u5206\u7ec8\u7aef\u901f\u7387\uff08\u7b49\u7ea7\uff09\u7684\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n

\u4e0d\u540c\u7684Cat\uff0c\u4e0d\u540c\u7684\u901f\u7387<\/span><\/p>\n


<\/p>\n

\u5728LTE\u53d1\u5c55\u521d\u671f\uff0cCat.1\u5e76\u6ca1\u6709\u88ab\u4e1a\u754c\u6240\u5173\u6ce8\u3002\u968f\u7740\u53ef\u7a7f\u6234\u8bbe\u5907\u7684\u9010\u6e10\u666e\u53ca\uff0cCat.1\u624d\u9010\u6e10\u88ab\u4e1a\u754c\u91cd\u89c6\u3002<\/span><\/p>\n

<\/p>\n

\u4f46\u662f\uff0cCat.1\u7ec8\u7aef\u9700\u8981\u4f7f\u75282\u6839\u5929\u7ebf\uff0c\u5bf9\u4f53\u79ef\u654f\u611f\u5ea6\u6781\u9ad8\u7684\u53ef\u7a7f\u6234\u8bbe\u5907\u6765\u8bf4\u4ecd\u7136\u201c\u8981\u6c42\u8fc7\u9ad8\u201d\uff08\u4e00\u822c\u53ea\u914d\u59071\u6839\u5929\u7ebf\uff09\u3002<\/span><\/p>\n


<\/p>\n

\u6240\u4ee5\uff0c\u5728R12\/R13\u4e2d\uff0c3GPP\u591a\u6b21\u9488\u5bf9\u7269\u8054\u7f51\u8fdb\u884c\u4f18\u5316\u3002<\/span><\/p>\n


<\/p>\n

\u9996\u5148\u662f\u5728R12\u4e2d\u589e\u52a0\u4e86\u65b0\u7ec8\u7aef\u7b49\u7ea7Cat.0\uff0c\u653e\u5f03\u4e86\u5bf9MIMO\uff08\u591a\u5929\u7ebf\uff09\u7684\u652f\u6301\uff0c\u7b80\u5316\u4e3a\u534a\u53cc\u5de5\uff0c\u5cf0\u503c\u901f\u7387\u964d\u4f4e\u4e3a1Mbit\/s\uff0c\u7ec8\u7aef\u590d\u6742\u5ea6\u964d\u4f4e\u4e3a\u666e\u901aLTE\u7ec8\u7aef\u768440%\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u521d\u6b65\u8fbe\u5230\u4e86\u7269\u8054\u7f51\u7684\u6210\u672c\u8981\u6c42\u3002<\/span><\/p>\n


<\/p>\n

\u4f46\u662f\uff0c\u867d\u7136Cat.0\u7ec8\u7aef\u7684\u4fe1\u9053\u5e26\u5bbd\u964d\u81f31.4MHz\uff0c\u4f46\u5c04\u9891\u7684\u63a5\u6536\u5e26\u5bbd\u4ecd\u4e3a20MHz\uff08\u592a\u5927\uff09\u3002<\/span><\/p>\n

<\/p>\n

\u4e8e\u662f\uff0c3GPP\u5728R13\u4e2d\u53c8\u65b0\u589eCat.M1\u7b49\u7ea7<\/strong>\u7684\u7ec8\u7aef\uff0c\u4fe1\u9053\u5e26\u5bbd\u548c\u5c04\u9891\u63a5\u6536\u5e26\u5bbd\u5747\u4e3a1.4MHz\uff0c\u7ec8\u7aef\u590d\u6742\u5ea6\u8fdb\u4e00\u6b65\u964d\u4f4e\u3002<\/span><\/p>\n


<\/p>\n

\u800cCat.M1\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u7684eMTC\u3002<\/span><\/strong><\/p>\n

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\u8fd9\u5c31\u662feMTC\u7684\u6765\u6e90\u3002<\/span>
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<\/p>\n

\u6b64\u5916\uff0c3GPP\u5728R13\u4e2d\u540c\u65f6\u65b0\u589e\u4e86\u4e00\u4e2aCat.NB-1\uff0c\u5b83\u7684\u63a5\u6536\u5e26\u5bbd\u4ec5180kHz\u3002<\/span>
<\/p>\n


<\/p>\n

\u8fd9\u4e2aCat.NB-1\uff0c\u5c31\u662f\u6211\u4eec\u7684NB-IoT\u3002<\/span><\/strong><\/p>\n

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\u8bf4\u4e86\u534a\u5929\uff0c\u8fd8\u6ca1\u4ecb\u7ecdeMTC\u7684\u5168\u540d\u5462\u3002<\/span><\/p>\n

<\/p>\n

eMTC\u7684\u5168\u540d\u6709\u70b9\u957f\uff0c\u662fenhanced Machine-Type Communication\uff0c\u589e\u5f3a\u578b\u673a\u5668\u7c7b\u578b\u901a\u4fe1<\/strong>\u3002\uff08\u5728\u4e4b\u524d\u76843GPP R12\u7248\u672c\uff0c\u53eb\u505aLow-Cost MTC<\/span>\uff09<\/span>
<\/p>\n


<\/p>\n

\u5b83\u8fd8\u6709\u4e00\u4e2a\u540d\u5b57\uff0c\u53eb\u505aLTE-M<\/strong>\uff0cLTE-Machine-to-Machine\uff0cLTE-\u673a\u5668\u5230\u673a\u5668\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u662f\u673a\u5668\u4e4b\u95f4\u7528LTE\u901a\u4fe1\uff0c\u975e\u5e38\u76f4\u767d\u4e86\uff0c\u9002\u7528\u4e8e\u7269\u8054\u7684LTE\u7f51\u7edc\u3002<\/span><\/p>\n


<\/p>\n

\u642d\u8f66\u8bf4\u4e00\u4e0b\uff0cMachine-to-Machine\u901a\u5e38\u7b80\u5199\u4e3aM2M\uff0c\u5927\u5bb6\u53ef\u80fd\u4e5f\u542c\u8bf4\u8fc7\u3002<\/span><\/p>\n


<\/p>\n

eMTC\u548cNB-IoT\u90fd\u662f3GPP\u8fd9\u4e00\u4e2a\u5988\u751f\u7684\uff0c\u6240\u4ee5\u7b97\u662f\u5144\u5f1f\u4fe9\u3002\u8fd9\u5144\u5f1f\u4fe9\u4e5f\u786e\u5b9e\u5f88\u50cf\uff0c\u5230\u5e95\u6709\u591a\u50cf\uff1f<\/span><\/p>\n

<\/p>\n

\u53ef\u4ee5\u770b\u4e0b\u9762\u8fd9\u4e2a\u56fe\uff1a<\/span><\/p>\n

<\/p>\n

<\/p>\n

NB-IoT\u548ceMTC\u53c2\u6570\u5bf9\u6bd4<\/span><\/p>\n


<\/p>\n

\u770b\u5f97\u51fa\u6765\uff0c\u5927\u90e8\u5206\u90fd\u662f\u4e00\u6837\u7684\uff0c\u53ea\u6709\u82e5\u5e72\u5904\u533a\u522b\uff08\u89c1\u9ec4\u8272\u90e8\u5206\uff09\u3002<\/span><\/p>\n


<\/p>\n

\u76f8\u540c\u70b9\u6211\u4eec\u5c31\u4e0d\u8bf4\u4e86\uff0c\u5e7f\u8986\u76d6\u3001\u4f4e\u529f\u8017\u3001\u4f4e\u6210\u672c\u3001\u5927\u8fde\u63a5\uff0c\u4e4b\u524d\u4ecb\u7ecdNB-IoT\u5df2\u7ecf\u8bf4\u8fc7\u5f88\u591a\u4e86\u3002<\/span><\/p>\n

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<\/p>\n

\u5c0f\u67a3\u541b\u91cd\u70b9\u8bf4\u8bf4eMTC\u7684\u5dee\u5f02\u5316\u7279\u8272<\/strong>\u3002<\/span>
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<\/p>\n

\u6982\u62ec\u8d77\u6765\u8bf4\uff0ceMTC\u76f8\u6bd4NB-IoT\uff0c\u6709\u4e94\u4e2a\u4f18\u52bf\uff1a<\/span><\/p>\n


<\/p>\n

\u4e00\u662f\u901f\u7387\u9ad8<\/strong>\u3002<\/span><\/p>\n


<\/p>\n

\u4e4b\u524d\u6211\u4eec\u8bf4NB-IoT\uff0c\u603b\u662f\u4f1a\u8bf4\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u4f4e\u529f\u8017\uff0c\u6240\u4ee5\u901f\u7387\u5f88\u6162\u3002\u4f46\u662feMTC\u4e0d\u4e00\u6837\uff0c\u5b83\u652f\u6301\u4e0a\u4e0b\u884c\u6700\u59271Mbps\u7684\u5cf0\u503c\u901f\u7387\u3002\u8bf7\u4e0d\u8981\u5c0f\u770b\u8fd9\u4e2a\u901f\u7387\uff0c\u5728\u4fdd\u8bc1\u8986\u76d6\u548c\u529f\u8017\u7684\u57fa\u7840\u4e0a\uff0c\u80fd\u8fbe\u5230\u8fd9\u4e2a\u901f\u7387\u5df2\u7ecf\u5f88\u4e0d\u9519\u4e86\u3002\u8fd9\u4e2a\u901f\u7387\uff0c\u8db3\u4ee5\u652f\u6491\u66f4\u4e30\u5bcc\u7684\u7269\u8054\u5e94\u7528\uff0c\u5982\u4f4e\u901f\u89c6\u9891\u3001\u8bed\u97f3\u7b49\u3002<\/span><\/p>\n


<\/p>\n

\u4e8c\u662f\u79fb\u52a8\u6027<\/strong>\u3002<\/span><\/p>\n


<\/p>\n

NB-IoT\u7684\u79fb\u52a8\u6027\u5dee\uff0c\u53ea\u652f\u6301\u91cd\u9009\uff0c\u4e0d\u652f\u6301\u5207\u6362\u3002\u6240\u4ee5\uff0c\u5b83\u4e00\u822c\u90fd\u7528\u4e8e\u4e0d\u600e\u4e48\u9700\u8981\u52a8\u7684\u9886\u57df\uff0c\u4f8b\u5982\u6c34\u8868\u7535\u8868\u53ca\u8def\u706f\u4e95\u76d6\u3002\u4f46eMTC\u4e0d\u540c\uff0c\u5b83\u652f\u6301\u8fde\u63a5\u6001\u7684\u79fb\u52a8\u6027\uff0c\u7269\u8054\u7f51\u7528\u6237\u53ef\u4ee5\u65e0\u7f1d\u5207\u6362\uff0c\u4fdd\u969c\u7528\u6237\u4f53\u9a8c\u3002\u56e0\u6b64\uff0ceMTC\u66f4\u9002\u7528\u4e8e\u667a\u80fd\u624b\u8868\u8fd9\u6837\u7684\u53ef\u7a7f\u6234\u8bbe\u5907\u3002<\/span><\/p>\n


<\/p>\n

\u4e09\u662f\u53ef\u5b9a\u4f4d<\/strong>\u3002<\/span><\/p>\n


<\/p>\n

\u57fa\u4e8eTDD\u7684eMTC\uff0c\u5229\u7528\u57fa\u7ad9\u4fa7\u7684PRS\u6d4b\u91cf\uff0c\u5728\u65e0\u9700\u65b0\u589eGPS\u82af\u7247\u7684\u60c5\u51b5\u4e0b\u5c31\u53ef\u4ee5\u8fdb\u884c\u4f4d\u7f6e\u5b9a\u4f4d\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u66f4\u6709\u5229\u4e8eeMTC\u5728\u7269\u6d41\u8ddf\u8e2a\u3001\u8d27\u7269\u8ddf\u8e2a\u7b49\u573a\u666f\u7684\u666e\u53ca\u3002<\/span><\/p>\n


<\/p>\n

\u56db\u662f\u652f\u6301\u8bed\u97f3<\/strong>\u3002<\/span><\/p>\n

<\/p>\n

\u6ca1\u9519\uff0c\u8fd9\u8d27\u7adf\u7136\u652f\u6301\u8bed\u97f3\uff0c\u800c\u4e14\u652f\u6301VoLTE\u3002\u56e0\u6b64\uff0ceMTC\u53ef\u88ab\u5e7f\u6cdb\u5e94\u7528\u5230\u7d27\u6025\u547c\u6551\u76f8\u5173\u7684\u7269\u8054\u8bbe\u5907\u4e2d\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n

\u57fa\u4e8eCAT-M1\uff08eMTC\uff09\u7684VoLTE<\/span><\/p>\n


<\/p>\n

\u4e94\u662f\u652f\u6301LTE\u7f51\u7edc\u590d\u7528<\/strong>\u3002<\/span>
<\/p>\n

<\/p>\n

eMTC\u53ef\u4ee5\u57fa\u4e8e\u73b0\u6709LTE\u7f51\u7edc\u76f4\u63a5\u5347\u7ea7\u90e8\u7f72\uff0c\u548c\u73b0\u6709\u7684LTE\u57fa\u7ad9\u5171\u7ad9\u5740\u5171\u5929\u9988\u3002\u7701\u94b1\u624d\u662f\u786c\u9053\u7406\u3002eMTC\u5229\u7528\u8fd9\u4e2a\u4f18\u52bf\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4f4e\u6210\u672c\u7684\u5feb\u901f\u90e8\u7f72\uff0c\u6709\u5229\u4e8e\u8fd0\u8425\u5546\u62a2\u5360\u5e02\u573a\u5148\u673a\u3002<\/span><\/p>\n


<\/p>\n

\u5f53\u7136\uff0ceMTC\u4e5f\u4e0d\u662f\u6bcf\u4e2a\u65b9\u9762\u90fd\u5f3a\u4e8eNB-IoT\uff0c\u5728\u8986\u76d6\u80fd\u529b\u548c\u6a21\u7ec4\u6210\u672c\u65b9\u9762\uff0ceMTC\u662f\u4e0d\u5982NB-IoT\u7684\u3002<\/span><\/p>\n

<\/p>\n

\u6240\u4ee5\uff0c\u5728\u5177\u4f53\u7684\u5e94\u7528\u65b9\u5411\u4e0a\uff0c\u5982\u679c\u5bf9\u8bed\u97f3\u3001\u79fb\u52a8\u6027\u3001\u901f\u7387\u7b49\u6709\u8f83\u9ad8\u8981\u6c42\uff0c\u5219\u9009\u62e9eMTC\u6280\u672f\u3002\u76f8\u53cd\uff0c\u5982\u679c\u5bf9\u8fd9\u4e9b\u65b9\u9762\u8981\u6c42\u4e0d\u9ad8\uff0c\u800c\u5bf9\u6210\u672c\u3001\u8986\u76d6\u7b49\u6709\u66f4\u9ad8\u8981\u6c42\uff0c\u5219\u53ef\u9009\u62e9NB-IoT\u3002<\/strong>\u5177\u4f53\u6765\u8bf4\uff0c\u50cf\u667a\u80fd\u7269\u6d41\u3001\u697c\u5b87\u5b89\u9632\u3001\u53ef\u7a7f\u6234\u901a\u8bdd\u7b49\u8bbe\u5907\uff0c\u5c31\u9002\u5408\u91c7\u7528eMTC\u6280\u672f\u3002<\/span><\/p>\n


<\/span><\/p>\n

<\/span><\/p>\n


<\/p>\n

\u5176\u5b9e\uff0c\u5728\u4e24\u8005\u8bde\u751f\u4e4b\u521d\uff0c\u7ade\u4e89\u5173\u7cfb\u66f4\u4e3a\u6fc0\u70c8\u3002\u5bf9\u4e8e\u9009\u62e9\u54ea\u79cd\u7f51\u7edc\u5236\u5f0f\uff0c\u4e1a\u5185\u4e00\u76f4\u4e89\u6267\u4e0d\u4f11\u3002<\/span><\/p>\n


<\/p>\n

\u8fd9\u79cd\u4e89\u8bba\u4e00\u76f4\u6301\u7eed\u52302017\u5e746\u6708\u3002\u57283GPP\u7b2c76\u6b21\u5168\u4f1a\u4e0a\uff0c\u4e1a\u754c\u5c31\u79fb\u52a8\u7269\u8054\u7f51\u6280\u672f\uff08\u5305\u62ecNB-IoT\u548ceMTC\uff09Rel.15\u6f14\u8fdb\u65b9\u5411\u8fbe\u6210\u4e86\u76f8\u5173\u5171\u8bc6\uff1a\u4e0d\u518d\u65b0\u589e\u7cfb\u7edf\u5e26\u5bbd\u4f4e\u4e8e1.4MHz\u7684eMTC\u7ec8\u7aef\u7c7b\u578b\uff1b\u4e0d\u518d\u65b0\u589e\u7cfb\u7edf\u5e26\u5bbd\u9ad8\u4e8e200KHz\u7684NB-IoT\u7ec8\u7aef\u7c7b\u578b\u3002<\/span><\/p>\n


<\/p>\n

\u8bf4\u767d\u4e86\uff0c\u5c31\u662f\u5f7b\u5e95\u5212\u5206\u5f00\u4e86NB-IoT\u548ceMTC\u7684\u5e94\u7528\u754c\u9650\uff0c\u672f\u4e1a\u6709\u4e13\u653b\u3002\u5728\u90a3\u4e4b\u540e\uff0c\u4e24\u8005\u624d\u8f6c\u4e3a\u4e86\u6df7\u5408\u7ec4\u7f51\u3001\u5dee\u5f02\u5316\u4e92\u8865\u7684\u5408\u4f5c\u5173\u7cfb\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n

eMTC\u548cNB-IoT\u643a\u624b\u8d70\u54115G<\/span><\/p>\n


<\/p>\n

\u90a3eMTC\u5728\u5b9e\u9645\u5e02\u573a\u5e94\u7528\u4e2d\uff0c\u53c8\u662f\u600e\u6837\u7684\u8fdb\u5c55\u5462\uff1f<\/strong><\/span><\/p>\n

<\/p>\n

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<\/p>\n

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<\/p>\n

\u4e2d\u56fd\u79fb\u52a8\u65b9\u9762\u5176\u5b9e\u5e94\u8be5\u5bf9eMTC\u66f4\u4e3a\u654f\u611f\uff0c\u56e0\u4e3aeMTC\u652f\u6301TDD\u7f51\u7edc\uff08\u79fb\u52a8\u6ca1\u6709FDD\u724c\u7167\uff09\uff0c\u4f46\u5b9e\u9645\u4e0a\uff0c\u79fb\u52a8\u4e5f\u662f\u4e3e\u68cb\u4e0d\u5b9a\u3002<\/span><\/p>\n

<\/p>\n

\u4e2d\u56fd\u79fb\u52a8\u867d\u7136\u5df2\u5728\u591a\u4e2a\u57ce\u5e02\u8fdb\u884ceMTC\u7f51\u7edc\u7684\u5c0f\u8303\u56f4\u90e8\u7f72\u548c\u9a8c\u8bc1<\/span>\uff0c\u4f46\u6ca1\u6709\u5728\u516c\u5f00\u573a\u5408\u516c\u5e03\u5b83\u7684eMTC\u8ba1\u5212\uff0c\u975e\u5e38\u4f4e\u8c03<\/span>\u3002<\/span><\/p>\n

<\/p>\n

\u8bf4\u767d\u4e86\uff0c\u8fd8\u662f\u56e0\u4e3a\u724c\u7167\u7684\u539f\u56e0\uff0c\u6240\u4ee5\u4e2d\u56fd\u79fb\u52a8\u91c7\u53d6\u4e86\u811a\u8e29\u4e24\u53ea\u8239\u7684\u7b56\u7565\uff0c\u4ee5\u53d1\u5c55NB-IoT\u4e3a\u4e3b\u3001\u540c\u65f6\u987a\u987eeMTC\u6280\u672f\u3002<\/span><\/p>\n

<\/p>\n

\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u4ee5\u6b27\u7f8e\u65e5\u8fd0\u8425\u5546\u4e3a\u4ee3\u8868\u7684\u6d77\u5916\u5e02\u573a\uff0c\u5bf9eMTC\u5c31\u70ed\u60c5\u591a\u4e86\u3002<\/span><\/p>\n

<\/p>\n

\u65e9\u57282017\u5e74\u5e74\u521d\uff0cAT&T (\u7f8e\u56fd\u548c\u58a8\u897f\u54e5)\u3001KPN (\u8377\u5170)\u3001 KDDI (\u65e5\u672c)\u3001NTT DOCOMO (\u65e5\u672c)\u3001Orange (\u6b27\u6d32\u3001\u4e2d\u4e1c\u548c\u975e\u6d32)\u3001Telefonica (\u6b27\u6d32)\u3001Telstra (\u6fb3\u5927\u5229\u4e9a)\u3001TELUS (\u52a0\u62ff\u5927) \u548cVerizon (\u7f8e\u56fd) \u5c31\u8054\u5408\u5ba3\u5e03\u652f\u6301eMTC\u7684\u5168\u7403\u90e8\u7f72\u3002\u5c24\u5176\u662f\u7f8e\u56fd\u7684AT&T\u548cVerizon\uff0c\u90fd\u57282017\u5e74\u5ba3\u79f0\u90e8\u7f72\u4e86\u56fd\u5bb6\u7ea7\u7684eMTC\u7f51\u7edc\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n

\u5168\u7403\u8fd0\u8425\u5546\u9f0e\u529b\u652f\u6301eMTC\u7684\u90e8\u7f72<\/span><\/p>\n


<\/p>\n

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<\/p>\n

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<\/span><\/p>\n


<\/span><\/p>\n

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