{"id":304,"date":"2020-03-19T11:32:06","date_gmt":"2020-03-19T03:32:06","guid":{"rendered":"http:\/\/www.xzclass.com\/?p=304"},"modified":"2022-02-28T11:55:50","modified_gmt":"2022-02-28T03:55:50","slug":"cat1%e7%81%ab%e4%ba%86%ef%bc%9f%e5%ae%83%e6%98%af%e4%bb%8e%e5%93%aa%e6%9d%a5%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/www.xzclass.com\/?p=304","title":{"rendered":"Cat1\u706b\u4e86\uff1f\u5b83\u662f\u4ece\u54ea\u6765\u7684\uff1f"},"content":{"rendered":"
<\/section>\n

Cat.1\u597d\u50cf\u7a81\u7136\u706b\u4e86\u3002<\/span><\/p>\n

<\/p>\n

\u8fd1\u671f\uff0c\u4f17\u591a\u5927\u4f6c\u7eb7\u7eb7\u4e3a\u5176\u7ad9\u53f0\u80cc\u4e66\uff0c\u7f51\u4e0a\u4e5f\u662f\u8bae\u8bba\u7eb7\u7eb7\u3001\u4e00\u81f4\u770b\u597d\u3002
<\/span><\/p>\n

<\/p>\n

\u7a76\u7adf\u4ec0\u4e48\u662fCat.1\uff1f\u5b83\u548c\u6211\u4eec\u7ecf\u5e38\u542c\u8bf4\u7684NB-IoT\u3001eMTC\u6709\u4ec0\u4e48\u5173\u7cfb\u5462\uff1f\u6211\u4eec\u8fd8\u7ecf\u5e38\u8bf4Cat.M1<\/span>\u548c<\/span>Cat.NB-1<\/span>\uff0c\u5b83\u4eec\u662f\u540c\u4e00\u6837\u4e1c\u897f\u5417\uff1f<\/span><\/p>\n


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

\u4eca\u5929\uff0c\u5c0f\u67a3\u541b\u7ed9\u5927\u5bb6\u68b3\u7406\u4e00\u4e0b\u6765\u9f99\u53bb\u8109\u3002<\/span><\/p>\n


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


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

<\/section>\n
<\/section>\n
\n
\n
\n
\n

<\/section>\n<\/section>\n<\/section>\n
\n
\n
\n

\u6b63\u6587\u5f00\u59cb<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n

\n
\n

<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

<\/section>\n
\u9996\u5148\u6211\u4eec\u6765\u8bf4\u8bf4<\/span>Cat<\/span><\/span><\/strong>\u3002<\/span><\/section>\n

<\/p>\n

\u8fd9\u4e2aCat\u4e0d\u662f\u5b83\uff1a<\/span><\/p>\n


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

<\/p>\n

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

\u4e5f\u4e0d\u662f\u5b83\uff1a<\/span><\/p>\n


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

<\/p>\n

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

\u800c\u662f\u82f1\u6587\u5355\u8bcdCategory\u7684\u7f29\u5199\u3002<\/span>Category\u7684\u610f\u601d\uff0c\u662f\u7c7b\u522b\u3001\u79cd\u7c7b\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n

<\/p>\n

\u51c6\u786e\u6765\u8bf4\uff0c\u201cCat.<\/span>X<\/span>\u201d\u662f\u6307LTE UE-Category<\/strong>\u3002<\/span><\/p>\n

<\/p>\n

LTE\u5c31\u4e0d\u7528\u89e3\u91ca\u4e86\u5427\uff1fUE\uff0c\u662f\u6307User Equipment\uff0c\u7528\u6237\u7ec8\u7aef\u3002<\/span><\/p>\n

<\/p>\n

\u6240\u4ee5\uff0c\u201cCat.<\/span>X<\/span>\u201d\u662f\u6307LTE\u7f51\u7edc\u4e0b\u7684\u7528\u6237\u7ec8\u7aef\u7c7b\u522b\u3002<\/span><\/p>\n

<\/p>\n

\u4e3a\u4ec0\u4e48LTE\u8981\u5bf9\u7ec8\u7aef\u5206\u7c7b\u5462\uff1f<\/span><\/strong>
<\/span><\/p>\n

<\/p>\n

\u8bdd\u8bf4\uff0c\u5f53\u5e743GPP\u7ec4\u7ec7\u5236\u5b9aLTE\u6807\u51c6\u7684\u65f6\u5019\uff0c\u6709\u4e00\u4e2a\u521d\u8877\uff0c\u5c31\u662f\u5e0c\u671bLTE\u80fd\u4e3a\u4e0d\u540c\u7528\u6237\u63d0\u4f9b\u4e0d\u540c\u7b49\u7ea7\u7684\u7f51\u7edc\u670d\u52a1\u80fd\u529b\u3002\u6240\u4ee5\uff0c\u4ed6\u4eec\u5728LTE\u91cc\u63d0\u51fa\u4e86\u91cd\u8981\u7684QoS\uff08Quality of Service\uff0c\u670d\u52a1\u8d28\u91cf\uff09\u6982\u5ff5\u3002<\/span><\/p>\n

<\/p>\n

\u4e0d\u540c\u7684\u4e1a\u52a1\uff0c\u5bf9\u4e8e\u4e0d\u540c\u7684QoS\uff0c\u7f51\u7edc\u63d0\u4f9b\u4e0d\u540c\u7684\u5e26\u5bbd\u548c\u63a5\u5165\u4f18\u5148\u7ea7\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n

4G\u6807\u51c6\u7684QoS\u7b49\u7ea7\u5b9a\u4e49<\/span><\/p>\n

<\/p>\n

\u9664\u4e86\u7f51\u7edc\u4e4b\u5916\uff0c3GPP\u8fd8\u6253\u7b97\u7ed9\u7528\u6237\u7ec8\u7aef\uff08\u5305\u62ec\u624b\u673a\u3001\u53ef\u7a7f\u6234\u8bbe\u5907\u3001\u7269\u8054\u7f51\u8bbe\u5907\u7b49\uff09\u4e5f\u505a\u4e2a\u5206\u7c7b\u3002<\/span><\/p>\n

<\/p>\n

\u4e8e\u662f\uff0c2009\u5e743\u6708\uff0c3GPP\u53d1\u5e03Release8\u7248\u672c\u3001\u6b63\u5f0f\u63d0\u51faLTE\u7684\u65f6\u5019\uff0c\u540c\u6b65\u63a8\u51fa\u4e86LTE Cat.1\u3001Cat.2\u3001Cat.3\u3001Cat.4\u3001Cat.5\u4e00\u51715\u4e2a\u7ec8\u7aef\u7c7b\u522b\u3002<\/span><\/p>\n

<\/p>\n

\u540e\u6765\uff0c\u53c8\u5728R10\u7248\u672c\u5b9a\u4e49\u4e86Cat.6\u3001Cat.7\u3001Cat.8\u3002\u5728R11\u5b9a\u4e49\u4e86Cat.9\u3001Cat.10\u3001Cat.11\u3001Cat.12\u3002\u5728R12\u5b9a\u4e49\u4e86Cat.13\u3001Cat.14\u3001Cat.15\u3002<\/span><\/p>\n

<\/p>\n

\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/span><\/p>\n

<\/p>\n

<\/p>\n

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

<\/p>\n

\u4e0d\u5bf9\uff01\u773c\u5c16\u7684\u7ae5\u978b\u53d1\u73b0\u4e86\uff0c\u4e0a\u8868\u4e0d\u662f\u670916\u4e2aCategory\u5417\uff1f\u600e\u4e48\u591a\u4e86\u4e00\u4e2aCat.0\uff1f<\/span><\/p>\n


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

<\/p>\n

\u6709\u732b\u817b\uff01<\/span><\/p>\n

<\/p>\n

\u6ca1\u9519\uff0c\u786e\u5b9e\u6709\u4e2aCat.0\u3002<\/span><\/p>\n


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

\u5f53\u5e74\u51faR8\u7684\u65f6\u5019\uff0c3GPP\u8fd9\u5e2e\u4eba\u591a\u4e86\u4e00\u4e2a\u5fc3\u773c\u3002\u4ed6\u4eec\u89c9\u5f97\uff0cLTE\u53ea\u7ed9\u624b\u673a\u7528\uff0c\u662f\u4e0d\u591f\u7684\u3002\u7269\u8054\u7f51\u5e02\u573a\u4e00\u5b9a\u662f\u672a\u6765\u7684\u8d8b\u52bf\uff0c\u6240\u4ee5\uff0c\u5e94\u8be5\u5148\u201c\u7559\u4e00\u624b\u201d\uff0c\u641e\u4e2a\u7269\u8054\u7f51\u4e13\u4e1a\u7ec8\u7aef\u7b49\u7ea7\u3002<\/span><\/p>\n


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

\u4e8e\u662f\uff0c\u5c31\u6709\u4e86\u4e0a\u884c\u5cf0\u503c\u901f\u7387\u4ec5\u67095Mbit\/s\u7684\u7ec8\u7aef\u7b49\u7ea7Cat.1\uff0c\u4e13\u4f9b\u7269\u8054\u7f51\u884c\u4e1a\u3002<\/span><\/p>\n


<\/span><\/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<\/span><\/strong>\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<\/strong>\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\u4e4b\u524d\u5e38\u8bf4\u7684eMTC\uff08enhanced Machine-Type Communication\uff0c\u589e\u5f3a\u578b\u673a\u5668\u7c7b\u578b\u901a\u4fe1<\/strong>\uff09\u3002<\/span><\/p>\n


<\/p>\n

\u6b64\u5916\uff0c3GPP\u5728R13\u4e2d\u540c\u65f6\u65b0\u589e\u4e86\u4e00\u4e2aCat.NB-1<\/strong>\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\uff08Narrow Band Internet of Things\uff0c\u7a84\u5e26\u7269\u8054\u7f51\uff09\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n


<\/p>\n

eMTC<\/span>\u8fd8\u6709\u4e00\u4e2a\u540d\u5b57\uff0c\u53eb\u505a<\/span>LTE-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

\u770b\u660e\u767d\u4e86\u5427\uff1fCat.1\u3001Cat.M1\uff08eMTC<\/span>\uff09\u548cCat.NB-1<\/span>\uff08NB-IoT<\/span>\uff09\uff0c\u8fd9\u4e09\u5144\u5f1f\u90fd\u662f3GPP\u8fd9\u4e00\u4e2a\u5988\u751f\u7684\uff0c\u5168\u90fd\u662f\u7528\u4e8e\u7269\u8054\u7f51\u7684\u3002<\/span><\/p>\n


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

<\/p>\n

<\/p>\n

\u4e09\u5144\u5f1f\u91cc\u9762\uff0cNB-IoT\u7684\u901f\u7387\u662f\u6700\u6162\u7684\uff0ceMTC\u6b21\u4e4b\uff0cCat.1\u6700\u5feb\uff08\u4e5f\u5c315Mbps\uff09\u3002\u5b83\u4eec\u548c\u5176\u5b83Cat\u7684\u5b9a\u4f4d\uff0c\u901a\u8fc7\u4e0b\u56fe\u4e00\u76ee\u4e86\u7136\uff1a
<\/span><\/p>\n


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

<\/p>\n

<\/p>\n

\u4e3a\u4ec0\u4e48Cat.1<\/span>\u73b0\u5728\u5730\u4f4d\u8d8a\u6765\u8d8a\u9ad8\uff1f<\/span><\/strong><\/span><\/p>\n

<\/p>\n

\u7b80\u5355\u6765\u8bf4\uff0c\u5f53\u521d\u884c\u4e1a\u662f\u8fd9\u4e48\u6253\u7b97\u7684\uff1a\u50cf\u667a\u80fd\u6284\u8868\u8fd9\u7c7b\u6781\u4f4e\u901f\u7387\u8981\u6c42\u7684\u5e94\u7528\uff0cNB-IoT\u4e0a\uff1b\u50cf\u6444\u50cf\u5934\u6216\u4e00\u4e9b\u9700\u8981\u8f83\u5927\u901f\u7387\u7684\u7269\u8054\u7f51\u5e94\u7528\uff0ceMTC\u4e0a\u3002<\/span><\/p>\n

<\/p>\n

\u7ed3\u679c\uff0ceMTC\u7684\u53d1\u5c55\u4e0d\u5c3d\u5982\u4eba\u610f\u3002\u8fd0\u8425\u5546\u4e0d\u592a\u613f\u610f\u6295\u94b1\uff0c\u4ea7\u4e1a\u751f\u6001\u4e5f\u6ca1\u8ddf\u4e0a\uff0c\u56fd\u5185\u6848\u4f8b\u592a\u5c11\u3002\u5927\u5bb6\u60f3\u60f3\uff0c\u5e72\u8106\u627e\u4e2a\u66ff\u4ee3\u54c1\u5f97\u4e86\uff0c\u4e8e\u662f\u4e4e\uff0c\u5c31\u628a\u73b0\u6210\u7684Cat.1<\/span>\u7ed9\u63a8\u4e0a\u4e86\u524d\u53f0\u3002<\/span><\/p>\n

<\/p>\n

Cat.1<\/span>\u57fa\u4e8e\u73b0\u6709\u7684LTE\u7f51\u7edc\uff0c\u5b8c\u5168\u590d\u7528\u73b0\u6709LTE\u8d44\u6e90\uff0c\u4e0d\u9700\u8981\u589e\u52a0\u989d\u5916\u6295\u8d44\u3002\u800c\u4e14\uff0cCat.1\u82af\u7247\u53ca<\/span>\u6a21\u7ec4\u7684\u6210\u719f\u5ea6\u66f4\u9ad8\uff0c\u6210\u672c\u975e\u5e38\u4fbf\u5b9c\uff0c\u80fd\u591f\u5728\u77ed\u65f6\u95f4\u5185\u5f62\u6210\u89c4\u6a21\u6548\u5e94\u3002<\/span><\/p>\n

<\/p>\n

\u968f\u77402G\/3G\u7684\u52a0\u901f\u9000\u7f51\uff0c\u8fd0\u8425\u5546\u4eec\u5f00\u59cb\u79ef\u6781\u5f15\u5bfc\u884c\u4e1a\u7528\u6237\u4f7f\u7528NB-IoT\u548cCat.1\u7ec8\u7aef\u6a21\u7ec4\uff0c\u4e5f\u662f\u76ee\u524dCat.1<\/span>\u65e5\u76ca\u706b\u70ed\u7684\u539f\u56e0\u4e4b\u4e00\u3002<\/span><\/p>\n


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

\u597d\u4e86\uff0c\u5173\u4e8eCat.1<\/span>\u3001Cat.M1<\/span>\u548c<\/span>Cat.NB-1<\/span>\uff0c\u4f60\u90fd\u641e\u660e\u767d\u4e86\u4e0d\uff1f<\/span><\/p>\n


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


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

<\/section>\n

\u6587\u7ae0\u8f6c\u8f7d\u81ea\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u9c9c\u67a3\u8bfe\u5802<\/p>\n","protected":false},"excerpt":{"rendered":"

Cat.1\u597d\u50cf\u7a81\u7136\u706b\u4e86\u3002 \u8fd1\u671f\uff0c\u4f17\u591a\u5927\u4f6c\u7eb7\u7eb7\u4e3a\u5176\u7ad9\u53f0\u80cc\u4e66\uff0c\u7f51\u4e0a\u4e5f\u662f\u8bae\u8bba\u7eb7\u7eb7\u3001\u4e00\u81f4\u770b\u597d\u3002 \u7a76\u7adf\u4ec0\u4e48\u662fCat.1\uff1f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[81],"tags":[181,65],"class_list":["post-304","post","type-post","status-publish","format-standard","hentry","category-81","tag-cat-1","tag-65"],"_links":{"self":[{"href":"http:\/\/www.xzclass.com\/index.php?rest_route=\/wp\/v2\/posts\/304"}],"collection":[{"href":"http:\/\/www.xzclass.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xzclass.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xzclass.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xzclass.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=304"}],"version-history":[{"count":1,"href":"http:\/\/www.xzclass.com\/index.php?rest_route=\/wp\/v2\/posts\/304\/revisions"}],"predecessor-version":[{"id":650,"href":"http:\/\/www.xzclass.com\/index.php?rest_route=\/wp\/v2\/posts\/304\/revisions\/650"}],"wp:attachment":[{"href":"http:\/\/www.xzclass.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xzclass.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=304"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xzclass.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}