{"id":99180,"date":"2024-11-14T11:35:45","date_gmt":"2024-11-14T03:35:45","guid":{"rendered":"\/\/www.viralrail.com\/?p=99180"},"modified":"2024-11-14T11:35:49","modified_gmt":"2024-11-14T03:35:49","slug":"lwgdydgl","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99180.html","title":{"rendered":"LoRaWAN\u7f51\u5173\u7684\u5e94\u7b54\u529f\u7387"},"content":{"rendered":"\n

\u3000\u3000LoRaWAN\u7f51\u5173<\/strong>\u7684\u5e94\u7b54\u529f\u7387(\u5373\u4e0b\u884c\u53d1\u5c04\u529f\u7387)\u901a\u5e38\u4f1a\u6839\u636e\u6cd5\u89c4\u8981\u6c42\u548c\u7f51\u7edc\u9700\u6c42\u6765\u8bbe\u5b9a\uff0c\u5177\u4f53\u6570\u503c\u901a\u5e38\u53d7\u5230\u9891\u6bb5\u548c\u5f53\u5730\u65e0\u7ebf\u7535\u7ba1\u7406\u89c4\u5b9a\u7684\u5f71\u54cd\u3002\u5728\u5f88\u591a\u5730\u533a\uff0cLoRaWAN\u7f51\u5173\u7684\u5e94\u7b54\u529f\u7387\u9650\u5236\u4e3a14 dBm\u81f327 dBm\uff0c\u537325 mW\u81f3500 mW\u7684\u53d1\u5c04\u529f\u7387\u3002\u4f8b\u5982\uff0c\u5728\u6b27\u6d32868 MHz\u9891\u6bb5\uff0cLoRaWAN\u7f51\u5173\u7684\u53d1\u5c04\u529f\u7387\u901a\u5e38\u9650\u5236\u572814 dBm;\u800c\u5728\u7f8e\u56fd915 MHz\u9891\u6bb5\uff0c\u53d1\u5c04\u529f\u7387\u53ef\u9ad8\u8fbe27 dBm\u3002<\/p>\n\n\n\n

\u3000\u3000\u5178\u578b\u7684LoRaWAN\u7f51\u5173\u9ed8\u8ba4\u53d1\u5c04\u529f\u7387\u7ea6\u4e3a20 dBm(100 mW)\uff0c\u8fd9\u4e00\u529f\u7387\u65e2\u80fd\u8986\u76d6\u8f83\u5927\u7684\u901a\u4fe1\u8303\u56f4\uff0c\u53c8\u4e0d\u4f1a\u5bf9\u5176\u4ed6\u8bbe\u5907\u9020\u6210\u5e72\u6270\u3002\u6b64\u5916\uff0c\u5927\u90e8\u5206LoRaWAN\u7f51\u5173\u5141\u8bb8\u7528\u6237\u6839\u636e\u5b9e\u9645\u9700\u6c42\u548c\u6cd5\u89c4\u624b\u52a8\u8c03\u6574\u53d1\u5c04\u529f\u7387\uff0c\u4ee5\u4f18\u5316\u8986\u76d6\u8303\u56f4\u548c\u5e72\u6270\u63a7\u5236\u3002<\/p>\n\n\n\n

\u3000\u3000\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5404\u56fd\u5bf9\u514d\u8bb8\u53ef\u9891\u6bb5\u7684\u53d1\u5c04\u529f\u7387\u6709\u4e0d\u540c\u7684\u9650\u5236\u3002\u4f8b\u5982\uff0c\u5728\u4e2d\u56fd\u5730\u533aLoRaWAN\u9891\u6bb5CN470-510\u7684\u6700\u5927\u53d1\u5c04\u529f\u7387\u4e3a17 dBm(50 mW)\uff0c\u5e76\u4e14\u5728\u90e8\u7f72\u65f6\u8981\u6c42\u53d1\u5c04\u6301\u7eed\u65f6\u95f4\u4e0d\u80fd\u8d85\u8fc75000ms\u3002\u800c\u5728\u56fd\u9645\u6807\u51c6\u4e2d\uff0c\u67d0\u4e9b\u9891\u6bb5\u5982AS923\u7684\u6700\u5927\u53d1\u5c04\u529f\u7387\u5219\u53ef\u8fbe\u523025\u00b12 dBm\u3002<\/p>\n\n\n\n

\u3000\u3000\u56e0\u6b64\uff0c\u5728\u8c03\u6574LoRaWAN\u7f51\u5173\u7684\u5e94\u7b54\u529f\u7387\u65f6\uff0c\u9700\u8981\u5e73\u8861\u8986\u76d6\u8303\u56f4\u548c\u5e72\u6270\u98ce\u9669\uff0c\u540c\u65f6\u786e\u4fdd\u7b26\u5408\u5f53\u5730\u65e0\u7ebf\u7535\u6cd5\u89c4\u7684\u8981\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRaWAN\u7f51\u5173\u5728\u4e0d\u540c\u56fd\u5bb6\u548c\u5730\u533a\u7684\u53d1\u5c04\u529f\u7387\u6cd5\u89c4<\/h2>\n\n\n\n

\u3000\u3000LoRaWAN\u7f51\u5173\u5728\u4e0d\u540c\u56fd\u5bb6\u548c\u5730\u533a\u7684\u53d1\u5c04\u529f\u7387\u6cd5\u89c4\u5b58\u5728\u663e\u8457\u5dee\u5f02\uff0c\u8fd9\u4e9b\u5dee\u5f02\u4e3b\u8981\u4f53\u73b0\u5728\u6700\u5927\u53d1\u5c04\u529f\u7387\u3001\u5360\u7a7a\u6bd4\u9650\u5236\u4ee5\u53ca\u9891\u6bb5\u5206\u914d\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n

\u3000\u3000\u7f8e\u56fd\uff08US\uff09<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u7f8e\u56fd\u7684LoRaWAN\u7f51\u5173\u53d1\u5c04\u529f\u7387\u53d7\u5230FCC(\u8054\u90a6\u901a\u4fe1\u59d4\u5458\u4f1a)\u7684\u4e25\u683c\u9650\u5236\u3002\u6839\u636eFCC\u7684\u89c4\u5b9a\uff0cLoRaWAN\u8bbe\u5907\u5728ISM\u9891\u6bb5\u7684\u6700\u5927\u5bfc\u51fa\u529f\u7387\u4e3a+30 dBm\uff0c\u4e14\u5141\u8bb8\u7684\u5929\u7ebf\u589e\u76ca\u6700\u591a\u4e3a+6 dBm\u3002\u5982\u679c\u603bEIRP(\u7b49\u6548\u5168\u5411\u8f90\u5c04\u529f\u7387)\u8d85\u8fc7+36 dBm\uff0c\u5219\u5fc5\u987b\u964d\u4f4e\u5bfc\u51fa\u529f\u7387\u4ee5\u4fdd\u6301\u5408\u89c4\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u7f8e\u56fd\uff0cLoRaWAN\u7684\u4e0a\u884c\u94fe\u8def\u548c\u4e0b\u884c\u94fe\u8def\u4fe1\u9053\u4f7f\u7528\u4e13\u95e8\u7684\u9891\u7387\u5206\u914d\uff0c\u6bcf\u4e2a\u5b50\u9891\u6bb5\u5305\u542b\u591a\u4e2a\u4e0a\u884c\u94fe\u8def\u4fe1\u9053\u548c\u4e00\u4e2a\u4e0b\u884c\u94fe\u8def\u4fe1\u9053\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b27\u6d32\uff08EU\uff09<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u6b27\u6d32\u7684LoRaWAN\u7f51\u5173\u53d1\u5c04\u529f\u7387\u53d7\u5230ETSI(\u6b27\u6d32\u7535\u4fe1\u6807\u51c6\u5316\u534f\u4f1a)\u7684\u89c4\u8303\u3002\u5728\u6b27\u76df\u5730\u533a\uff0cLoRaWAN\u7ec8\u7aef\u8bbe\u5907\u7684\u9ed8\u8ba4\u6700\u5927\u8f93\u51fa\u529f\u7387\u4e3a25 mW(14 dBm)\uff0c\u7528\u4e8e\u4e0a\u884c\u901a\u4fe1\u3002\u5bf9\u4e8e\u4e0b\u884c\u901a\u4fe1\uff0c\u6700\u5927\u53d1\u5c04\u529f\u7387\u9650\u5236\u4e3a0.5 W(27 dBm)\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b27\u6d32\u7684LoRaWAN\u9891\u6bb5\u4e3a863-870 MHz\uff0c\u4e14\u6709\u4e25\u683c\u7684\u5360\u7a7a\u6bd4\u9650\u5236\uff0c\u4f8b\u5982\u67d0\u4e9b\u4fe1\u9053\u7684\u5360\u7a7a\u6bd4\u4ec5\u4e3a0.1%\u3002<\/p>\n\n\n\n

\u3000\u3000\u97e9\u56fd\uff08KR\uff09<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u97e9\u56fd\u653f\u5e9c\u5206\u914d\u7ed9LPWA\u7269\u8054\u7f51\u7f51\u7edc\u7684KR920-923 MHz\u9891\u6bb5\uff0c\u5176\u6700\u5927EIRP\u8f93\u51fa\u529f\u7387\u7531\u97e9\u56fd\u653f\u5e9c\u5b9a\u4e49\uff0c\u5e76\u4e14\u6709\u7279\u5b9a\u7684\u9ed8\u8ba4\u4fe1\u9053\u548c\u9891\u7387\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u897f\u73ed\u7259<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u897f\u73ed\u7259\uff0cLoRaWAN\u7f51\u5173\u7684\u53d1\u5c04\u529f\u7387\u540c\u6837\u9075\u5faa\u6b27\u6d32\u6807\u51c6\u3002\u4e0a\u884c\u94fe\u8def\u7684\u6700\u5927\u53d1\u5c04\u529f\u7387\u4e3a25 mW(14 dBm)\uff0c\u800c\u4e0b\u884c\u94fe\u8def(869.525 MHz)\u7684\u6700\u5927\u53d1\u5c04\u529f\u7387\u9650\u5236\u4e3a0.5 W(27 dBm)\u3002\u6b64\u5916\uff0c\u5360\u7a7a\u6bd4\u6839\u636e\u4fe1\u9053\u7684\u4e0d\u540c\u53ef\u4ee5\u662f0.1%\u62161%\u3002<\/p>\n\n\n\n

\u3000\u3000\u65e5\u672c<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u65e5\u672c\u7684LoRaWAN\u9891\u6bb5\u4e3a920-923 MHz\uff0c\u4fe1\u9053\u5e26\u5bbd\u9009\u9879\u5305\u62ec125 kHz\u3001250 kHz\u548c500 kHz\u3002\u867d\u7136\u5177\u4f53\u7684\u53d1\u5c04\u529f\u7387\u9650\u5236\u6ca1\u6709\u660e\u786e\u63d0\u53ca\uff0c\u4f46\u65e5\u672c\u7684LoRaWAN\u8bbe\u5907\u4e5f\u9700\u8981\u9075\u5b88\u65e5\u672c\u901a\u4fe1\u59d4\u5458\u4f1a\u7684\u76f8\u5173\u89c4\u5b9a\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e0d\u540c\u56fd\u5bb6\u548c\u5730\u533a\u5bf9LoRaWAN\u7f51\u5173\u7684\u53d1\u5c04\u529f\u7387\u6709\u4e0d\u540c\u7684\u6cd5\u89c4\u8981\u6c42\uff0c\u8fd9\u4e9b\u8981\u6c42\u901a\u5e38\u5305\u62ec\u6700\u5927\u53d1\u5c04\u529f\u7387\u3001\u5360\u7a7a\u6bd4\u9650\u5236\u4ee5\u53ca\u9891\u6bb5\u5206\u914d\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u6839\u636eLoRaWAN\u7f51\u5173\u7684\u8986\u76d6\u8303\u56f4\u548c\u5e72\u6270\u63a7\u5236\u9700\u6c42\u624b\u52a8\u8c03\u6574\u53d1\u5c04\u529f\u7387?<\/h2>\n\n\n\n

\u3000\u3000\u6839\u636eLoRaWAN\u7f51\u5173\u7684\u8986\u76d6\u8303\u56f4\u548c\u5e72\u6270\u63a7\u5236\u9700\u6c42\u624b\u52a8\u8c03\u6574\u53d1\u5c04\u529f\u7387\uff0c\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u4e86\u89e3\u53d1\u5c04\u529f\u7387\u4e0e\u8986\u76d6\u8303\u56f4\u7684\u5173\u7cfb<\/strong>\uff1a\u8c03\u6574\u53d1\u5c04\u529f\u7387\u53ef\u4ee5\u6539\u53d8\u65e0\u7ebf\u63a5\u5165\u70b9\u7684\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u3002\u5f53\u65e0\u7ebf\u63a5\u5165\u70b9\u90e8\u7f72\u8f83\u7a00\u758f\u65f6\uff0c\u53ef\u4ee5\u5c06\u529f\u7387\u8c03\u6574\u7a0d\u5927\uff0c\u4ee5\u6269\u5927\u8986\u76d6\u8303\u56f4\uff0c\u786e\u4fdd\u6240\u6709\u5730\u533a\u90fd\u6709\u4fe1\u53f7;\u5f53\u65e0\u7ebf\u63a5\u5165\u70b9\u90e8\u7f72\u8f83\u5bc6\u96c6\u65f6\uff0c\u5e94\u5c06\u529f\u7387\u8c03\u5c0f\uff0c\u4ee5\u51cf\u5c11\u8986\u76d6\u8303\u56f4\uff0c\u907f\u514d\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u6709\u8f83\u591a\u91cd\u5408\uff0c\u4ece\u800c\u51cf\u5c11\u4fe1\u53f7\u95f4\u7684\u76f8\u4e92\u5e72\u6270\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4f7f\u7528\u547d\u4ee4\u8bbe\u7f6e\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u53ef\u4ee5\u901a\u8fc7AT\u547d\u4ee4\u6765\u8bbe\u7f6eLoRaWAN\u8bbe\u5907\u7684\u53d1\u5c04\u529f\u7387\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u201cAT+POWER=14\u201d\u547d\u4ee4\u5c06\u53d1\u5c04\u529f\u7387\u8bbe\u7f6e\u4e3a14dBm\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u7279\u5b9a\u9891\u6bb5\u7684\u7535\u6e90\u8868\u6765\u83b7\u53d6\u53ef\u7528\u7684\u53d1\u5c04\u529f\u7387\u503c\u5217\u8868\uff0c\u4f8b\u5982\u4f7f\u7528\u201cAT+POWER=TABLE\u201d\u547d\u4ee4\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u8003\u8651\u7f51\u7edc\u6761\u4ef6\u548c\u8bbe\u5907\u80fd\u529b<\/strong>\uff1a\u5728\u8c03\u6574\u53d1\u5c04\u529f\u7387\u65f6\uff0c\u9700\u8981\u8003\u8651\u7f51\u7edc\u6761\u4ef6\u548c\u8bbe\u5907\u7684\u80fd\u529b\u3002\u5982\u679c\u7ec8\u7aef\u8bbe\u5907\u6536\u5230\u6307\u5b9a\u9ad8\u4e8e\u5176\u80fd\u529b\u7684\u66f4\u9ad8\u53d1\u5c04\u529f\u7387\u547d\u4ee4\uff0c\u5219\u5e94\u5c06\u5176\u89c6\u4e3a\u6210\u529f\u63a5\u6536\u5e76\u4fdd\u6301\u6700\u5927\u53ef\u80fd\u7684\u529f\u7387\u8fd0\u884c;\u5982\u679c\u6536\u5230\u6307\u5b9a\u4f4e\u4e8e\u5176\u80fd\u529b\u7684\u66f4\u4f4e\u53d1\u5c04\u529f\u7387\u547d\u4ee4\uff0c\u5219\u5e94\u5c06\u5176\u89c6\u4e3a\u5931\u8d25\u5e76\u6062\u590d\u5230\u4e4b\u524d\u914d\u7f6e\u7684\u529f\u7387\u8fd0\u884c\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u51cf\u5c11\u53d1\u5c04\u65f6\u95f4\u548c\u6269\u5c55\u56e0\u5b50\uff08SF\uff09<\/strong> \uff1a\u51cf\u5c11\u53d1\u5c04\u65f6\u95f4\u53ef\u4ee5\u901a\u8fc7\u51cf\u5c11\u6269\u5c55\u56e0\u5b50(SF)\u6765\u5b9e\u73b0\u3002\u5f53SF\u51cf\u5c111\u65f6\uff0c\u53d1\u5c04\u65f6\u95f4\u51cf\u534a\u3002\u7136\u800c\uff0c\u51cf\u5c11SF\u4f1a\u663e\u8457\u964d\u4f4e\u7f51\u5173\u7684\u7075\u654f\u5ea6\u548c\u68c0\u6d4b\u4fe1\u53f7\u7684\u80fd\u529b\u3002\u56e0\u6b64\uff0c\u5728\u8c03\u6574\u53d1\u5c04\u529f\u7387\u65f6\uff0c\u9700\u8981\u6743\u8861\u53d1\u5c04\u65f6\u95f4\u3001\u4f20\u8f93\u529f\u7387\u548c\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u624b\u52a8\u6307\u5b9a\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u5982\u679c\u65e0\u7ebf\u63a5\u5165\u70b9\u6570\u76ee\u8f83\u5c11\u4e14\u4f4d\u7f6e\u76f8\u5bf9\u56fa\u5b9a\uff0c\u53ef\u4ee5\u624b\u52a8\u6307\u5b9a\u53d1\u5c04\u529f\u7387\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e9bLoRaWAN\u6a21\u5757\u4e2d\uff0c\u9ed8\u8ba4\u6700\u5927\u53d1\u5c04\u529f\u7387\u4e3a7\u7ea7\uff0c\u5206\u522b\u4e3a0.1\u30010.2\u30010.3\u30010.5\u30011\u30011.5\u30012W\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8fdb\u884c\u8c03\u6574\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5b9e\u9a8c\u548c\u9a8c\u8bc1<\/strong>\uff1a\u901a\u8fc7\u5b9e\u9a8c\u548c\u6d4b\u91cf\u6765\u9a8c\u8bc1\u8c03\u6574\u540e\u7684\u53d1\u5c04\u529f\u7387\u662f\u5426\u8fbe\u5230\u9884\u671f\u6548\u679c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528RSSI\u503c\u548c\u94fe\u8def\u8ddd\u79bb\u6765\u8bc4\u4f30\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u4e09\u3001 LoRaWAN\u7f51\u5173\u7684\u53d1\u5c04\u529f\u7387\u5bf9\u7f51\u7edc\u6027\u80fd\u548c\u8bbe\u5907\u5bff\u547d\u6709\u4f55\u5f71\u54cd?<\/h2>\n\n\n\n

    \u3000\u3000\u5728\u5b9e\u9645\u90e8\u7f72\u4e2d\uff0cLoRaWAN\u7f51\u5173\u7684\u53d1\u5c04\u529f\u7387\u5bf9\u7f51\u7edc\u6027\u80fd\u548c\u8bbe\u5907\u5bff\u547d\u6709\u663e\u8457\u5f71\u54cd\u3002\u53ef\u4ee5\u5f97\u51fa\u4ee5\u4e0b\u7ed3\u8bba\uff1a<\/p>\n\n\n\n

    \u3000\u30001. \u7f51\u7edc\u6027\u80fd<\/strong>\uff1a<\/h3>\n\n\n\n

    \u3000\u3000\u8986\u76d6\u8303\u56f4\u548c\u4fe1\u53f7\u8d28\u91cf<\/strong>\uff1a\u8f83\u9ad8\u7684\u53d1\u5c04\u529f\u7387\u6709\u52a9\u4e8e\u63d0\u9ad8\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u548c\u4fe1\u53f7\u8d28\u91cf\u3002\u4f8b\u5982\uff0c\u5728\u5927\u5b66\u6821\u56ed\u5185\u7684\u6d4b\u8bd5\u4e2d\uff0cLoRaWAN\u7f51\u5173\u7684\u53d1\u5c04\u529f\u7387\u4e3a20 dBm\u65f6\uff0c\u4fe1\u53f7\u5f3a\u5ea6(RSSI)\u5728\u4e0d\u540c\u4f4d\u7f6e\u7684\u8868\u73b0\u826f\u597d\uff0c\u800c\u5728\u964d\u4f4e\u52305 dBm\u65f6\uff0c\u4fe1\u53f7\u5f3a\u5ea6\u663e\u8457\u4e0b\u964d\uff0c\u5bfc\u81f4\u6f5c\u5728\u7684\u901a\u4fe1\u95ee\u9898\u3002\u6b64\u5916\uff0c\u8f83\u9ad8\u7684\u53d1\u5c04\u529f\u7387\u6709\u52a9\u4e8e\u51cf\u5c11\u6570\u636e\u5305\u4e22\u5931\u7387\uff0c\u5c24\u5176\u662f\u5728\u4fe1\u53f7\u8d28\u91cf\u8f83\u5dee\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n\n\n\n

    \u3000\u3000\u6570\u636e\u901f\u7387\u548c\u80fd\u8017<\/strong>\uff1a\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u867d\u7136\u53ef\u4ee5\u51cf\u5c11\u80fd\u8017\uff0c\u4f46\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8bbe\u5907\u964d\u4f4e\u6570\u636e\u901f\u7387\uff0c\u4ece\u800c\u589e\u52a0\u4f20\u8f93\u65f6\u95f4\u548c\u529f\u8017\uff0c\u5e76\u589e\u52a0\u6d88\u606f\u78b0\u649e\u7684\u53ef\u80fd\u6027\uff0c\u5bfc\u81f4\u66f4\u9ad8\u7684\u6570\u636e\u5305\u4e22\u5931\u7387\u3002\u56e0\u6b64\uff0c\u5408\u7406\u8bbe\u7f6e\u53d1\u5c04\u529f\u7387\u4ee5\u5141\u8bb8\u8bbe\u5907\u4f7f\u7528\u6700\u9ad8\u6570\u636e\u901f\u7387\u662f\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u7684\u5173\u952e\u3002<\/p>\n\n\n\n

    \u3000\u30002. \u8bbe\u5907\u5bff\u547d<\/strong>\uff1a<\/h3>\n\n\n\n

    \u3000\u3000\u80fd\u8017\u7ba1\u7406<\/strong>\uff1a\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u53ef\u4ee5\u51cf\u5c11\u8bbe\u5907\u7684\u80fd\u8017\uff0c\u4ece\u800c\u5ef6\u957f\u7535\u6c60\u5bff\u547d\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u8282\u80fd\u6548\u679c\u6709\u9650\u3002\u4f8b\u5982\uff0c\u5c06\u53d1\u5c04\u529f\u7387\u4ece11.09 dBm\u964d\u4f4e\u5230-2.4 dBm\u4ec5\u51cf\u5c11\u4e86\u7ea629%\u7684\u80fd\u8017\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u6700\u5927\u9650\u5ea6\u5730\u5ef6\u957f\u8bbe\u5907\u7684\u5355\u6b21\u5145\u7535\u8fd0\u884c\u65f6\u95f4\uff0c\u5efa\u8bae\u8bbe\u5907\u5728\u53ef\u80fd\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u6700\u9ad8\u7684\u6570\u636e\u901f\u7387\u8fdb\u884c\u4f20\u8f93\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u80fd\u8017\u4f18\u5316<\/strong>\uff1a\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5982\u667a\u80fd\u6821\u56ed\u7528\u4f8b\uff0c\u901a\u8fc7\u8c03\u6574\u7f51\u5173\u4f4d\u7f6e\u548c\u53d1\u5c04\u529f\u7387\u6c34\u5e73\uff0c\u53ef\u4ee5\u5728\u786e\u4fdd\u826f\u597d\u7075\u654f\u5ea6\u7684\u540c\u65f6\u4f18\u5316\u80fd\u6e90\u6d88\u8017\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5c06\u7f51\u5173\u4ece\u7b2c\u4e09\u5c42\u79fb\u52a8\u5230\u7b2c\u56db\u5c42\u53ef\u4ee5\u4f18\u5316\u8986\u76d6\u8303\u56f4\u548c\u80fd\u6e90\u6d88\u8017\u3002<\/p>\n\n\n\n

    \u3000\u3000LoRaWAN\u7f51\u5173\u7684\u53d1\u5c04\u529f\u7387\u5bf9\u7f51\u7edc\u6027\u80fd\u548c\u8bbe\u5907\u5bff\u547d\u6709\u91cd\u8981\u5f71\u54cd\u3002<\/p>\n\n\n\n

    \u3000\u3000\u56db\u3001 LoRaWAN\u7f51\u5173\u7684\u53d1\u5c04\u529f\u7387\u8c03\u6574\u5bf9\u73af\u5883\u548c\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u7684\u5e72\u6270\u6709\u54ea\u4e9b\u6f5c\u5728\u5f71\u54cd?<\/h2>\n\n\n\n

    \u3000\u3000LoRaWAN\u7f51\u5173\u7684\u53d1\u5c04\u529f\u7387\u8c03\u6574\u5bf9\u73af\u5883\u548c\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u7684\u5e72\u6270\u6709\u663e\u8457\u5f71\u54cd\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

      \n
    • \u3000\u3000\u4fe1\u53f7\u5e72\u6270\u6982\u7387\u589e\u52a0<\/strong>\uff1a\u6839\u636e\u7814\u7a76\uff0c\u5728868 MHz ISM\u9891\u6bb5\u4e2d\uff0cLoRaWAN\u6280\u672f\u5728\u4e0d\u540c\u5b50\u9891\u6bb5\u5185\u7684\u4fe1\u53f7\u5e72\u6270\u6982\u7387\u8f83\u9ad8\u3002\u4f8b\u5982\uff0c\u5728\u683c\u62c9\u65af\u54e5\u5927\u5b66(GCU)\u7684\u6d4b\u91cf\u4e2d\uff0cLoRa\u4e0a\u884c\u94fe\u8def\u7684\u5e72\u6270\u4fe1\u53f7\u6982\u7387\u9ad8\u8fbe97.3%\uff0c\u800c\u4e0b\u884c\u94fe\u8def\u4ec5\u4e3a4.8%\u3002\u8fd9\u8868\u660e\uff0c\u5f53\u7f51\u5173\u53d1\u5c04\u529f\u7387\u589e\u52a0\u65f6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u66f4\u591a\u7684\u4fe1\u53f7\u5e72\u6270\uff0c\u4ece\u800c\u5f71\u54cd\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u5305\u4e22\u5931\u7387\u4e0a\u5347<\/strong>\uff1a\u5728\u5b9e\u9a8c\u4e2d\uff0c\u5f53\u5e72\u6270\u8282\u70b9\u6570\u91cf\u589e\u52a0\u65f6\uff0cLoRaWAN\u7f51\u7edc\u7684\u5305\u4ea4\u4ed8\u7387(PDR)\u663e\u8457\u4e0b\u964d\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5982\u679c\u7f51\u5173\u7684\u53d1\u5c04\u529f\u7387\u8fc7\u9ad8\uff0c\u53ef\u80fd\u4f1a\u589e\u52a0\u4e0e\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u7684\u51b2\u7a81\u6982\u7387\uff0c\u5bfc\u81f4\u6570\u636e\u5305\u4e22\u5931\u7387\u4e0a\u5347\uff0c\u8fdb\u800c\u5f71\u54cd\u6574\u4f53\u7f51\u7edc\u6027\u80fd\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u8986\u76d6\u8303\u56f4\u53d7\u9650<\/strong>\uff1a\u5728\u975e\u89c6\u7ebf(NLOS)\u73af\u5883\u4e2d\uff0cLoRaWAN\u7684\u6027\u80fd\u53ef\u80fd\u53d7\u5230\u9650\u5236\uff0c\u5c24\u5176\u662f\u5728\u5b58\u5728\u5927\u91cf\u5e72\u6270\u7684\u60c5\u51b5\u4e0b\u3002\u56e0\u6b64\uff0c\u8c03\u6574\u53d1\u5c04\u529f\u7387\u4ee5\u51cf\u5c11\u5e72\u6270\u53ef\u80fd\u4f1a\u6539\u5584\u8986\u76d6\u8303\u56f4\uff0c\u4f46\u540c\u65f6\u4e5f\u53ef\u80fd\u589e\u52a0\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u7684\u5e72\u6270\u98ce\u9669\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u529f\u7387\u6c34\u5e73\u4e0e\u5e72\u6270\u5f3a\u5ea6\u7684\u5173\u7cfb<\/strong>\uff1a\u7814\u7a76\u8868\u660e\uff0c\u9ad8\u529f\u7387\u6c34\u5e73\u7684\u4fe1\u53f7\u66f4\u6709\u53ef\u80fd\u63a9\u76d6\u5f31\u4fe1\u53f7\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5982\u679c\u7f51\u5173\u7684\u53d1\u5c04\u529f\u7387\u8fc7\u9ad8\uff0c\u53ef\u80fd\u4f1a\u5bf9\u5176\u4ed6\u4f4e\u529f\u7387\u65e0\u7ebf\u8bbe\u5907\u4ea7\u751f\u66f4\u5927\u7684\u5e72\u6270\uff0c\u5bfc\u81f4\u8fd9\u4e9b\u8bbe\u5907\u7684\u4fe1\u53f7\u88ab\u63a9\u76d6\u6216\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u73af\u5883\u56e0\u7d20\u7684\u5f71\u54cd<\/strong>\uff1a\u5728\u6076\u52a3\u73af\u5883\u4e0b\uff0c\u5982\u5de5\u4e1a\u5e94\u7528\u573a\u666f\u4e2d\uff0cLoRaWAN\u8bbe\u5907\u53ef\u80fd\u9762\u4e34\u6781\u7aef\u6c14\u8c61\u6761\u4ef6\u3001\u673a\u68b0\u5e94\u529b\u548c\u8150\u8680\u4f5c\u7528\u7b49\u6311\u6218\u3002\u8fd9\u4e9b\u56e0\u7d20\u53ef\u80fd\u4f1a\u5f71\u54cd\u7f51\u5173\u7684\u53d1\u5c04\u529f\u7387\u548c\u4fe1\u53f7\u7a33\u5b9a\u6027\uff0c\u4ece\u800c\u95f4\u63a5\u5f71\u54cd\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u7684\u5e72\u6270\u60c5\u51b5\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000LoRaWAN\u7f51\u5173\u7684\u53d1\u5c04\u529f\u7387\u8c03\u6574\u9700\u8981\u6743\u8861\u591a\u65b9\u9762\u7684\u56e0\u7d20\uff0c\u5305\u62ec\u4fe1\u53f7\u5e72\u6270\u6982\u7387\u3001\u5305\u4e22\u5931\u7387\u3001\u8986\u76d6\u8303\u56f4\u4ee5\u53ca\u73af\u5883\u6761\u4ef6\u7b49\u3002<\/p>\n\n\n\n

      \u3000\u3000\u4e94\u3001 \u9488\u5bf9\u7279\u5b9a\u9891\u6bb5(\u5982868 MHz\u3001915 MHz\u3001AS923\u7b49)\uff0cLoRaWAN\u7f51\u5173\u7684\u6700\u4f73\u53d1\u5c04\u529f\u7387\u8bbe\u7f6e\u7b56\u7565\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

      \u3000\u3000\u9488\u5bf9\u7279\u5b9a\u9891\u6bb5(\u5982868 MHz\u3001915 MHz\u3001AS923\u7b49)\u7684LoRaWAN\u7f51\u5173\uff0c\u6700\u4f73\u53d1\u5c04\u529f\u7387\u8bbe\u7f6e\u7b56\u7565\u9700\u8981\u8003\u8651\u591a\u4e2a\u56e0\u7d20\uff0c\u5305\u62ec\u9891\u6bb5\u7684\u6cd5\u89c4\u9650\u5236\u3001\u7f51\u7edc\u8986\u76d6\u9700\u6c42\u548c\u8bbe\u5907\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u57fa\u4e8e\u6211\u641c\u7d22\u5230\u7684\u8d44\u6599\u8fdb\u884c\u8be6\u7ec6\u5206\u6790\u548c\u5efa\u8bae\uff1a<\/p>\n\n\n\n

      \u3000\u3000\u6b27\u76df868 MHz\u9891\u6bb5<\/p>\n\n\n\n

      \u3000\u3000\u5728\u6b27\u76df868 MHz\u9891\u6bb5\u4e2d\uff0c\u7ec8\u7aef\u8bbe\u5907\u7684\u6700\u5927\u6709\u6548\u7b49\u5411\u8f90\u5c04\u529f\u7387(EIRP)\u901a\u5e38\u88ab\u9650\u5236\u4e3a14 dBm \u3002\u8fd9\u662f\u4e3a\u4e86\u786e\u4fdd\u8bbe\u5907\u5728\u9075\u5b88\u4e25\u683c\u7684\u5360\u7a7a\u6bd4\u8981\u6c42\u4e0b\u8fd0\u884c\uff0c\u4f8b\u5982\u4e0d\u8d85\u8fc71%\u7684\u5360\u7a7a\u6bd4 \u3002\u56e0\u6b64\uff0c\u5728\u6b64\u9891\u6bb5\u4e2d\uff0cLoRaWAN\u7f51\u5173\u7684\u6700\u4f73\u53d1\u5c04\u529f\u7387\u5e94\u8bbe\u7f6e\u4e3a\u4e0d\u8d85\u8fc714 dBm\uff0c\u4ee5\u786e\u4fdd\u7b26\u5408\u6cd5\u89c4\u5e76\u6700\u5927\u5316\u7f51\u7edc\u8986\u76d6\u3002<\/p>\n\n\n\n

      \u3000\u3000AS923\u9891\u6bb5<\/p>\n\n\n\n

      \u3000\u3000AS923\u9891\u6bb5\u5728\u5168\u7403\u8303\u56f4\u5185\u6709\u4e0d\u540c\u7684\u5b50\u8ba1\u5212\uff0c\u4f46\u9ed8\u8ba4\u7684\u6700\u5927EIRP\u4e3a16 dBm \u3002\u8fd9\u610f\u5473\u7740\u5728AS923\u9891\u6bb5\u4e2d\uff0cLoRaWAN\u7f51\u5173\u53ef\u4ee5\u8bbe\u7f6e\u66f4\u9ad8\u7684\u53d1\u5c04\u529f\u7387\uff0c\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u548c\u53ef\u9760\u6027\u3002\u7136\u800c\uff0c\u5177\u4f53\u7684\u53d1\u5c04\u529f\u7387\u5e94\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u548c\u7f51\u7edc\u9700\u6c42\u8fdb\u884c\u8c03\u6574\uff0c\u4ee5\u907f\u514d\u5e72\u6270\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u3002<\/p>\n\n\n\n

      \u3000\u30003915 MHz\u9891\u6bb5<\/p>\n\n\n\n

      \u3000\u3000\u5728915 MHz\u9891\u6bb5\u4e2d\uff0c\u867d\u7136\u6ca1\u6709\u660e\u786e\u7684\u6700\u5927EIRP\u9650\u5236\uff0c\u4f46\u901a\u5e38\u5efa\u8bae\u4f7f\u7528\u8f83\u4f4e\u7684\u53d1\u5c04\u529f\u7387\u4ee5\u51cf\u5c11\u529f\u8017\u548c\u5ef6\u957f\u8bbe\u5907\u7535\u6c60\u5bff\u547d \u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e9b\u5e94\u7528\u4e2d\uff0c\u53d1\u5c04\u529f\u7387\u53ef\u80fd\u8bbe\u7f6e\u4e3a10 dBm\u6216\u66f4\u4f4e\uff0c\u4ee5\u5e73\u8861\u8986\u76d6\u8303\u56f4\u548c\u529f\u8017\u9700\u6c42\u3002<\/p>\n\n\n\n

      \u3000\u3000\u7efc\u5408\u8003\u8651<\/h3>\n\n\n\n
        \n
      • \u3000\u3000\u6cd5\u89c4\u9075\u4ece\u6027<\/strong>\uff1a\u9996\u5148\uff0c\u5fc5\u987b\u786e\u4fdd\u53d1\u5c04\u529f\u7387\u7b26\u5408\u5f53\u5730\u6cd5\u89c4\u7684\u8981\u6c42\u3002\u4f8b\u5982\uff0c\u5728\u6b27\u76df868 MHz\u9891\u6bb5\u4e2d\uff0c\u6700\u5927\u53d1\u5c04\u529f\u7387\u5e94\u4e0d\u8d85\u8fc714 dBm \u3002<\/li>\n\n\n\n
      • \u3000\u3000\u7f51\u7edc\u8986\u76d6\u9700\u6c42<\/strong>\uff1a\u6839\u636e\u8986\u76d6\u8303\u56f4\u548c\u8282\u70b9\u5bc6\u5ea6\uff0c\u9002\u5f53\u8c03\u6574\u53d1\u5c04\u529f\u7387\u3002\u4f8b\u5982\uff0c\u5728\u9700\u8981\u8f83\u5927\u8986\u76d6\u8303\u56f4\u7684\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u9002\u5f53\u589e\u52a0\u53d1\u5c04\u529f\u7387\u4ee5\u786e\u4fdd\u4fe1\u53f7\u8986\u76d6\u5230\u6240\u6709\u8282\u70b9\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u8bbe\u5907\u6027\u80fd<\/strong>\uff1a\u8003\u8651\u8bbe\u5907\u7684\u529f\u8017\u548c\u7535\u6c60\u5bff\u547d\u3002\u5728\u4e00\u4e9b\u529f\u8017\u654f\u611f\u7684\u5e94\u7528\u4e2d\uff0c\u5e94\u5c3d\u91cf\u51cf\u5c11\u53d1\u5c04\u529f\u7387\u4ee5\u5ef6\u957f\u7535\u6c60\u5bff\u547d \u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u3000\u5b9e\u9645\u5e94\u7528\u6848\u4f8b<\/h3>\n\n\n\n

        \u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4f8b\u5982\u5728\u5370\u5ea6\u5c3c\u897f\u4e9a\u7684\u57ce\u5e02\u533a\u57df\u8fdb\u884cLoRaWAN\u90e8\u7f72\u65f6\uff0c\u7814\u7a76\u8005\u53d1\u73b0\u6240\u9700\u7684\u7f51\u5173\u6570\u91cf\u4e0e\u8986\u76d6\u9762\u79ef\u5bc6\u5207\u76f8\u5173 \u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u7f51\u7edc\u65f6\uff0c\u5e94\u7efc\u5408\u8003\u8651\u53d1\u5c04\u529f\u7387\u3001\u7f51\u5173\u6570\u91cf\u548c\u8986\u76d6\u8303\u56f4\uff0c\u4ee5\u786e\u4fdd\u6700\u4f73\u7684\u7f51\u7edc\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

        \u3000\u3000\u9488\u5bf9\u4e0d\u540c\u9891\u6bb5\u7684LoRaWAN\u7f51\u5173\u7684\u6700\u4f73\u53d1\u5c04\u529f\u7387\u8bbe\u7f6e\u7b56\u7565\u5982\u4e0b\uff1a<\/p>\n\n\n\n

          \n
        • \u3000\u3000\u6b27\u76df868 MHz<\/strong>\uff1a\u4e0d\u8d85\u8fc714 dBm\u3002<\/li>\n\n\n\n
        • \u3000\u3000AS923<\/strong>\uff1a\u9ed8\u8ba4\u6700\u592716 dBm\uff0c\u53ef\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8c03\u6574\u3002<\/li>\n\n\n\n
        • \u3000\u3000915 MHz<\/strong>\uff1a\u5efa\u8bae\u4f7f\u7528\u8f83\u4f4e\u7684\u53d1\u5c04\u529f\u7387(\u598210 dBm)\uff0c\u4ee5\u5e73\u8861\u8986\u76d6\u548c\u529f\u8017\u9700\u6c42\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

          LoRaWAN\u7f51\u5173\u7684\u5e94\u7b54\u529f\u7387(\u5373\u4e0b\u884c\u53d1\u5c04\u529f\u7387)\u901a\u5e38\u4f1a\u6839\u636e\u6cd5\u89c4\u8981\u6c42\u548c\u7f51\u7edc\u9700\u6c42\u6765\u8bbe\u5b9a\uff0c\u5177\u4f53\u6570\u503c\u901a\u5e38\u53d7\u5230\u9891\u6bb5\u548c\u5f53\u5730\u65e0\u7ebf\u7535\u7ba1\u7406\u89c4\u5b9a\u7684\u5f71\u54cd<\/p>\n","protected":false},"author":1,"featured_media":97773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[392],"class_list":["post-99180","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-lorawangateway"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99180"}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=99180"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99180\/revisions"}],"predecessor-version":[{"id":99181,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99180\/revisions\/99181"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=99180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=99180"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=99180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}