{"id":3459,"date":"2019-11-19T13:22:27","date_gmt":"2019-11-19T05:22:27","guid":{"rendered":"http:\/\/www.aiti123.com\/?p=3459"},"modified":"2019-11-19T13:22:27","modified_gmt":"2019-11-19T05:22:27","slug":"nb-iot%e6%97%a0%e7%ba%bf%e6%8a%80%e6%9c%af%e4%bb%8b%e7%bb%8d_2019%e5%b0%8f%e7%b1%b3%e5%bc%80%e5%8f%91%e8%80%85%e5%a4%a7%e4%bc%9a","status":"publish","type":"post","link":"http:\/\/www.aiti123.com\/?p=3459","title":{"rendered":"NB-IOT\u65e0\u7ebf\u6280\u672f\u4ecb\u7ecd_2019\u5c0f\u7c73\u5f00\u53d1\u8005\u5927\u4f1a"},"content":{"rendered":"

\u4ec0\u4e48\u662fNB-IOT<\/p>\n

NB-IOT\u662f\u8fd9\u4e24\u5e74\u706b\u70ed\u7684\u540d\u8bcd\uff0c\u548c\u7269\u8054\u7f51\uff0c\u5927\u6570\u636e\u4e00\u6837\u5728IT\u884c\u4e1a\u88ab\u70ed\u6367\u3002NB-IOT\u662f\u7a84\u5e26\u7269\u8054\u7f51\uff08Narrow BandInternetof Things\uff09\u7684\u7b80\u5199\uff0c\u4e3a\u4e86\u548c\u73b0\u5728\u7684\u79fb\u52a8\u7f51\u7edc\u517c\u5bb9\uff0c\u4e3b\u8981\u57fa\u4e8eLTE\u6280\u672f\uff08 3GPP Release 13\uff09\u3002\u73b0\u5728\u4e2d\u56fd\u7684\u4e09\u5927\u8fd0\u8425\u5546\u90fd\u5728\u52a0\u7d27\u90e8\u7f72NB-IOT\u7f51\u7edc\u3002<\/p>\n

NB-IOT\u548c\u79fb\u52a8\u901a\u4fe1\uff082\/3\/4\/5G\uff09\u7684\u533a\u522b\u548c\u7279\u70b9<\/p>\n

1\u3001\u8986\u76d6\u5e7f\uff0c\u76f8\u6bd4\u4f20\u7edfGSM\uff0c\u4e00\u4e2a\u57fa\u7ad9\u53ef\u4ee5\u63d0\u4f9b10\u500d\u7684\u9762\u79ef\u8986\u76d6<\/p>\n

\u4e00\u4e2aNB-IOT\u57fa\u7ad9\u53ef\u4ee5\u8986\u76d610km\u7684\u8303\u56f4\uff0c\u5c0f\u53bf\u57ce\u4e00\u4e2a\u57fa\u7ad9\u5c31\u53ef\u4ee5\u8986\u76d6\u4e86\u3002\u540c\u65f6<\/p>\n

NB-IoT\u6bd4LTE\u548cGPRS\u57fa\u7ad9\u63d0\u5347\u4e8620dB\u7684\u589e\u76ca\uff0c\u80fd\u8986\u76d6\u5230\u5730\u4e0b\u8f66\u5e93\u3001\u5730\u4e0b\u5ba4\u3001\u5730\u4e0b\u7ba1\u9053\u7b49\u4fe1\u53f7\u96be\u4ee5\u5230\u8fbe\u7684\u5730\u65b9\uff0c\u5728\u5730\u4e0b\u662f\u4e0d\u53ef\u80fd\u6709\u4fe1\u53f7\u6253\u7535\u8bdd\u7684\uff0c\u4f46NB-IOT\u4ecd\u7136\u53ef\u4ee5\u901a\u4fe1\uff01<\/p>\n

 <\/p>\n

2\u3001\u6d77\u91cf\u8fde\u63a5\uff0c200KHz\u7684\u9891\u7387\u53ef\u4ee5\u63d0\u4f9b10\u4e07\u4e2a\u8054\u63a5<\/p>\n

\u63d0\u4f9b\u7684\u8fde\u63a5\u8d8a\u591a\uff0c\u90a3\u57fa\u7ad9\u5c31\u5efa\u7684\u5c11\uff0c\u57fa\u7ad9\u5efa\u7684\u5c11\uff0c\u90a3\u5c31\u7701\u94b1\uff01\u4e00\u8001\u5e08\u540c\u65f6\u6559200\u4e2a\u5b66\u751f\uff0c\u53e6\u5916\u4e00\u4e2a\u8001\u5e08\u5c31\u80fd\u5e2620\u4e2a\u5b66\u751f\uff0c\u8fd9\u6837\u5728\u540c\u6837\u5e261000\u4e2a\u5b66\u751f\u7684\u524d\u63d0\u4e0b\uff0c\u5e26200\u4e2a\u5b66\u751f\u7684\u8001\u5e08\u53ea\u96c7\u4f635\u4e2a\u5c31\u53ef\u4ee5\uff0c\u540e\u9762\u90a3\u6837\u7684\u8001\u5e08\u5c31\u8981\u96c7\u4f6350\u4e2a\u3002<\/p>\n

 <\/p>\n

3\u3001\u4f4e\u529f\u8017\uff0c\u4f7f\u7528AA\u7535\u6c60\uff085\u53f7\u7535\u6c60\uff09\u4fbf\u53ef\u4ee5\u5de5\u4f5c\u5341\u5e74\uff0c\u65e0\u9700\u5145\u7535<\/p>\n

10\u5e74\u4e0d\u9700\u5145\u7535\uff01\u4f60\u4e0d\u662f\u5728\u9a97\u6211\u5427\uff1f\u6211\u7684\u624b\u673a\u53ef\u662f\u6bcf\u5929\u90fd\u8981\u5145\u7535\u7684\uff01NB-IoT\u5f15\u5165\u4e86eDRX\u7701\u7535\u6280\u672f\u548cPSM\u7701\u7535\u6a21\u5f0f\uff0c\u8fdb\u4e00\u6b65\u964d\u4f4e\u4e86\u529f\u8017\uff0c\u5ef6\u957f\u4e86\u7535\u6c60\u4f7f\u7528\u65f6\u95f4\u3002\u5728PSM\u6a21\u5f0f\u4e0b\uff0c\u7ec8\u7aef\u4ecd\u65e7\u6ce8\u518c\u5728\u7f51\uff0c\u4f46\u4fe1\u4ee4\u4e0d\u53ef\u8fbe\uff0c\u4ece\u800c\u4f7f\u7ec8\u7aef\u66f4\u957f\u65f6\u95f4\u9a7b\u7559\u5728\u6df1\u7761\u7720\u4ee5\u8fbe\u5230\u7701\u7535\u7684\u76ee\u7684\u3002eDRX\u7701\u7535\u6280\u672f\u8fdb\u4e00\u6b65\u5ef6\u957f\u7ec8\u7aef\u5728\u7a7a\u95f2\u6a21\u5f0f\u4e0b\u7684\u7761\u7720\u5468\u671f\uff0c\u51cf\u5c11\u63a5\u6536\u5355\u5143\u4e0d\u5fc5\u8981\u7684\u542f\u52a8\uff0c\u76f8\u5bf9\u4e8ePSM\uff0c\u5927\u5e45\u5ea6\u63d0\u5347\u4e86\u4e0b\u884c\u53ef\u8fbe\u6027\u3002<\/p>\n

\u4ec0\u4e48\u662feDRX<\/p>\n

DRX(Discontinuous Reception)\uff0c\u5373\u4e0d\u8fde\u7eed\u63a5\u6536\u3002eDRX\u662f\u6269\u5c55\u4e0d\u8fde\u7eed\u63a5\u6536\u3002<\/p>\n

eDRX\/PSM\u529f\u8017\u793a\u4f8b<\/div>\n

\u5982\u56fe\u6240\u793a\uff0cDRX\u7684\u662f\u4e0d\u8fde\u7eed\u7684\u53bb\u63a5\u53d7\u4fe1\u53f7\uff0c\u5927\u90e8\u5206\u65f6\u95f4\u4f11\u606f\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u8fde\u7eed\u63a5\u6536\u5c31\u662f\u4e00\u4e2a\u4fdd\u5b89\u4e00\u592924\u5c0f\u65f6\u4e0d\u80fd\u79bb\u5f00\u5de5\u4f5c\u5c97\u4f4d\uff0c\u773c\u775b\u8981\u8ba4\u771f\u7684\u77aa\u7740\u95e8\u53e3\u770b\u6709\u6ca1\u6709\u5f02\u5e38\u53d1\u751f\u3002\u4e0d\u8fde\u7eed\u63a5\u6536\u662f\u4fdd\u5b89\u4e00\u4e2a\u5c0f\u65f6\u53ea\u82b1\u5341\u5206\u949f\u53bb\u770b\u95e8\uff0c\u5176\u4ed6\u65f6\u95f4\u559d\u8336\u4f11\u606f\u3002<\/p>\n

PSM\uff08Power Saving Mode\uff09\uff0c\u5373\u7701\u7535\u6a21\u5f0f\u3002\u5f88\u591a\u7269\u8054\u7f51\u7ec8\u7aef\u5927\u90e8\u5206\u65f6\u95f4\u662f\u6ca1\u6709\u4e8b\u60c5\u53ef\u4ee5\u505a\u7684\uff0c\u6284\u8868\u53d1\u4e00\u4e2a\u8868\u5b57\u5c31\u5b8c\u4e86\uff0c\u5e72\u5b8c\u6d3b\u5c31\u53ef\u4ee5\u7761\u5927\u89c9\u4e86\u3002\u8bbe\u5907\u8fdb\u5165\u4f11\u7720\u72b6\u6001\u3002<\/p>\n

\u603b\u7ed3\u4e00\u4e0b\uff0cNB-IOT\u7684\u7701\u7535\u5c31\u50cf\u4e00\u4e2a\u4fdd\u5b89\u5de5\u4f5c\u4e00\u4e2a\u5c0f\u65f6\u5185\u8981\u4f11\u606f\u559d\u833650\u5206\u949f\uff0c\u5c31\u8fd9\u6837\u4e00\u5929\u624d\u5de5\u4f5c3\u5c0f\u65f6\uff0c\u5176\u4ed6\u65f6\u95f4\u90fd\u5728\u7761\u89c9\u3002<\/p>\n

<\/div>\n

4\u3001 \u79fb\u52a8\u6027\u505a\u4e86\u7b80\u5316\u3002\u4e0d\u50cf\u6211\u4eec\u624b\u673a\uff0c\u7ecf\u5e38\u662f\u5728\u6c7d\u8f66\u4e0a\uff0c\u9ad8\u94c1\u4e0a\uff0c\u5728\u9ad8\u94c1\u4e0a\u6253\u7535\u8bdd\u4fe1\u53f7\u4e0d\u597d\uff0c\u662f\u56e0\u4e3a\u901f\u5ea6\u592a\u5feb\u624b\u673a\u5728\u4e0d\u505c\u7684\u5207\u6362\u57fa\u7ad9\uff0c\u5c31\u50cf\u63a5\u529b\u6bd4\u8d5b\u4e00\u6837\uff0c\u63a5\u529b\u68d2\u63a5\u597d\u4e86\u901a\u8bdd\u6b63\u5e38\uff0c\u63a5\u529b\u68d2\u4e22\u4e86\uff0c\u901a\u8bdd\u65ad\u65ad\u7eed\u7eed\u751a\u81f3\u6389\u7ebf\u3002<\/p>\n

<\/div>\n

\u5bf9\u4e8e\u7269\u8054\u7f51\u7ec8\u7aef\u4f7f\u7528NB-IOT\u5927\u90e8\u5206\u573a\u666f\u662f\u9759\u6b62\u7684\uff0c\u5982\u667a\u80fd\u6284\u8868\uff0c\u8fd9\u6837\u53ef\u4ee5\u964d\u4f4e\u534f\u8bae\u7684\u590d\u6742\u5ea6\uff0c\u540c\u65f6\u964d\u4f4e\u6a21\u5757\u6210\u672c\u3002<\/p>\n

5\u3001\u534a\u53cc\u5de5\u6a21\u5f0f<\/p>\n

\u5c31\u662f\u6211\u8bf4\u8bdd\u7684\u662f\u4f60\u5fc5\u987b\u542c\u7740\uff0c\u7edd\u5bf9\u4e0d\u80fd\u63d2\u5634\uff01\u53cd\u4e4b\u4ea6\u7136\u3002<\/p>\n

NB-IOT\u4e0d\u8db3<\/p>\n

1 \u90e8\u7f72\u9891\u7387\u662f\u6388\u6743\u7684\uff0c\u5fc5\u987b\u7531\u8fd0\u8425\u5546\u6765\u90e8\u7f72\uff01\u60f3\u81ea\u5df1\u642d\u5efa\u4e00\u4e2a\uff1f\u5728\u76ee\u524d\u770b\u6765\u8fd8\u662f\u4e0d\u884c\u3002\u770b\u6765\u60f3\u4e00\u6b21\u6027\u6295\u8d44\uff0c\u540e\u9762\u4e0d\u518d\u4ea4\u94b1\u8fd9\u6761\u8def\u884c\u4e0d\u901a\u3002<\/p>\n

2 \u6a21\u5757\u73b0\u5728\u6210\u672c\u8fd8\u662f\u9ad8\uff08\u76f8\u5bf9\u4e8e\u6210\u719f\u7684GPRS\u6a21\u5757\uff0cwifi\u6a21\u5757\uff09\u8fd9\u4e2a\u5e94\u8be5\u4f1a\u968f\u7740\u4f7f\u7528\u91cf\u7684\u589e\u5927\u800c\u6162\u6162\u964d\u4f4e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4ec0\u4e48\u662fNB-IOT NB-IOT\u662f\u8fd9\u4e24\u5e74\u706b\u70ed\u7684\u540d\u8bcd\uff0c\u548c\u7269\u8054\u7f51\uff0c\u5927\u6570\u636e\u4e00\u6837\u5728IT\u884c\u4e1a\u88ab\u70ed\u6367\u3002NB-IOT\u662f\u7a84\u5e26\u7269 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[2815,2810,2813,2817,2811,2816,2812,2818,2814],"_links":{"self":[{"href":"http:\/\/www.aiti123.com\/index.php?rest_route=\/wp\/v2\/posts\/3459"}],"collection":[{"href":"http:\/\/www.aiti123.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.aiti123.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.aiti123.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.aiti123.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3459"}],"version-history":[{"count":2,"href":"http:\/\/www.aiti123.com\/index.php?rest_route=\/wp\/v2\/posts\/3459\/revisions"}],"predecessor-version":[{"id":3461,"href":"http:\/\/www.aiti123.com\/index.php?rest_route=\/wp\/v2\/posts\/3459\/revisions\/3461"}],"wp:attachment":[{"href":"http:\/\/www.aiti123.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.aiti123.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3459"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.aiti123.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}