{"id":99869,"date":"2024-12-12T11:36:30","date_gmt":"2024-12-12T03:36:30","guid":{"rendered":"\/\/www.viralrail.com\/?p=99869"},"modified":"2024-12-12T11:36:34","modified_gmt":"2024-12-12T03:36:34","slug":"ltxjsyljs","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99869.html","title":{"rendered":"LoRa\u901a\u4fe1\u6280\u672f\u539f\u7406\u4ecb\u7ecd"},"content":{"rendered":"\n

\u3000\u3000LoRa<\/a>(Long Range)\u901a\u4fe1\u6280\u672f<\/strong>\u662f\u4e00\u79cd\u4e13\u4e3a\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u7684\u6280\u672f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51(IoT)<\/strong>\u9886\u57df\u3002\u5176\u6838\u5fc3\u539f\u7406\u57fa\u4e8e\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u7279\u522b\u662fChirp Spread Spectrum(CSS)<\/strong>\u6280\u672f\uff0c\u901a\u8fc7\u7ebf\u6027\u8c03\u9891\u6269\u9891\u4fe1\u53f7\u6765\u5b9e\u73b0\u4fe1\u53f7\u7684\u6269\u5c55\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7b80\u4ecb<\/h2>\n\n\n\n

\u3000\u30001. LoRa\u6280\u672f\u7684\u57fa\u672c\u539f\u7406<\/h3>\n\n\n\n
    \n
  • \u3000\u3000\u6269\u9891\u8c03\u5236<\/strong>\uff1aLoRa\u91c7\u7528CSS\u6280\u672f\uff0c\u901a\u8fc7\u5728\u9891\u57df\u4e2d\u5faa\u73af\u5e73\u79fbchirp\u4fe1\u53f7\u6765\u7f16\u7801\u6570\u636e\u3002\u8fd9\u79cd\u8c03\u5236\u65b9\u5f0f\u5141\u8bb8\u4fe1\u53f7\u5728\u591a\u4e2a\u9891\u7387\u4e0a\u8fdb\u884c\u4f20\u8f93\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6297\u5e72\u6270\u80fd\u529b\u548c\u901a\u4fe1\u8ddd\u79bb\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u524d\u5411\u7ea0\u9519\u7f16\u7801<\/strong>\uff1a\u4e3a\u4e86\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\uff0cLoRa\u4f7f\u7528\u524d\u5411\u7ea0\u9519(FEC)\u6280\u672f\uff0c\u786e\u4fdd\u5373\u4f7f\u5728\u566a\u58f0\u5e72\u6270\u8f83\u5927\u7684\u73af\u5883\u4e2d\u4e5f\u80fd\u6b63\u786e\u89e3\u7801\u6570\u636e\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1aLoRa\u6280\u672f\u7279\u522b\u6ce8\u91cd\u4f4e\u529f\u8017\uff0c\u4f7f\u5f97\u8bbe\u5907\u53ef\u4ee5\u5728\u7535\u6c60\u4f9b\u7535\u7684\u60c5\u51b5\u4e0b\u957f\u65f6\u95f4\u8fd0\u884c\u3002\u8fd9\u4f7f\u5f97LoRa\u975e\u5e38\u9002\u5408\u9700\u8981\u957f\u671f\u90e8\u7f72\u7684\u7269\u8054\u7f51\u5e94\u7528\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u81ea\u52a8\u91cd\u4f20\u8bf7\u6c42\uff08ARQ\uff09<\/strong> \uff1a\u5982\u679c\u63a5\u6536\u5230\u7684\u6570\u636e\u5305\u6709\u8bef\uff0cLoRa\u652f\u6301\u81ea\u52a8\u91cd\u4f20\u8bf7\u6c42\uff0c\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u30002. LoRa\u7f51\u7edc\u67b6\u6784<\/h3>\n\n\n\n

    \u3000\u3000LoRa\u7f51\u7edc\u901a\u5e38\u7531\u8282\u70b9\u3001\u7f51\u5173\u548c\u670d\u52a1\u5668\u7ec4\u6210\u3002\u8282\u70b9\u8d1f\u8d23\u6536\u96c6\u548c\u4f20\u8f93\u6570\u636e\uff0c\u7f51\u5173\u5219\u4f5c\u4e3a\u8282\u70b9\u4e0e\u5916\u90e8\u7f51\u7edc\u4e4b\u95f4\u7684\u6865\u6881\uff0c\u5c06\u6570\u636e\u8f6c\u53d1\u5230\u670d\u52a1\u5668\u3002\u670d\u52a1\u5668\u8d1f\u8d23\u6570\u636e\u7684\u5904\u7406\u548c\u7ba1\u7406\u3002<\/p>\n\n\n\n

      \n
    • \u3000\u3000\u8282\u70b9<\/strong>\uff1a\u8fd9\u4e9b\u662f\u7f51\u7edc\u4e2d\u7684\u57fa\u672c\u5355\u5143\uff0c\u8d1f\u8d23\u6536\u96c6\u548c\u4f20\u8f93\u6570\u636e\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u7f51\u5173<\/strong>\uff1a\u8fde\u63a5\u8282\u70b9\u5230\u516c\u5171PC\u6216\u4e3b\u673a\u7684\u6865\u6881\uff0c\u901a\u8fc7WiFi\u30013G\/4G\u7b49\u65b9\u5f0f\u5b9e\u73b0\u4e0e\u5916\u90e8\u4e16\u754c\u7684\u8fde\u63a5\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u670d\u52a1\u5668<\/strong>\uff1a\u63a5\u6536\u4ece\u7f51\u5173\u63a5\u6536\u5230\u7684\u6570\u636e\uff0c\u5e76\u8fdb\u884c\u8fdb\u4e00\u6b65\u5904\u7406\u548c\u8f6c\u53d1\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u30003. \u5e94\u7528\u573a\u666f<\/h3>\n\n\n\n

      \u3000\u3000LoRa\u6280\u672f\u56e0\u5176\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u7684\u7279\u70b9\uff0c\u5728\u591a\u4e2a\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n\n\n\n

        \n
      • \u3000\u3000\u667a\u80fd\u5bb6\u5c45<\/strong>\uff1a\u7528\u4e8e\u8fdc\u7a0b\u63a7\u5236\u5bb6\u7535\u8bbe\u5907\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u5de5\u4e1a\u63a7\u5236<\/strong>\uff1a\u7528\u4e8e\u76d1\u6d4b\u548c\u63a7\u5236\u5de5\u4e1a\u8fc7\u7a0b\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1a\u7528\u4e8e\u76d1\u6d4b\u7a7a\u6c14\u8d28\u91cf\u3001\u571f\u58e4\u6e7f\u5ea6\u7b49\u73af\u5883\u53c2\u6570\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u667a\u80fd\u57ce\u5e02<\/strong>\uff1a\u7528\u4e8e\u4ea4\u901a\u76d1\u63a7\u3001\u516c\u5171\u5b89\u5168\u7b49\u5e94\u7528\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u30004. \u6280\u672f\u4f18\u52bf<\/h3>\n\n\n\n
          \n
        • \u3000\u3000\u957f\u8ddd\u79bb\u901a\u4fe1<\/strong>\uff1a\u5728\u57ce\u5e02\u4e2d\u5fc3\u53ef\u4ee5\u5b9e\u73b0\u51e0\u516c\u91cc\u7684\u901a\u4fe1\u8ddd\u79bb\uff0c\u5728\u519c\u6751\u5730\u533a\u53ef\u4ee5\u8fbe\u523015\u516c\u91cc\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u4f4e\u529f\u8017<\/strong>\uff1a\u652f\u6301\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u957f\u65f6\u95f4\u8fd0\u884c\uff0c\u9002\u5408\u5927\u89c4\u6a21\u90e8\u7f72\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u5927\u5bb9\u91cf<\/strong>\uff1a\u80fd\u591f\u652f\u6301\u5927\u91cf\u8bbe\u5907\u540c\u65f6\u901a\u4fe1\uff0c\u5177\u6709\u8f83\u9ad8\u7684\u7f51\u7edc\u5bb9\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n

          \u3000\u3000LoRa\u6280\u672f\u51ed\u501f\u5176\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u548c\u9ad8\u6297\u5e72\u6270\u80fd\u529b\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u91cd\u8981\u901a\u4fe1\u6280\u672f\u4e4b\u4e00\u3002\u968f\u7740\u7269\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\uff0cLoRa\u7684\u5e94\u7528\u524d\u666f\u5c06\u66f4\u52a0\u5e7f\u9614\u3002<\/p>\n\n\n\n

          \u3000\u3000\u4e8c\u3001 LoRa\u6280\u672f\u4e2d\u7684\u6269\u9891\u8c03\u5236CSS\u5177\u4f53\u5982\u4f55\u5b9e\u73b0<\/h2>\n\n\n\n

          \u3000\u3000LoRa\u6280\u672f\u4e2d\u7684\u6269\u9891\u8c03\u5236CSS(Chirp Spread Spectrum\uff0c\u5541\u557e\u6269\u9891)\u662f\u4e00\u79cd\u57fa\u4e8e\u7ebf\u6027\u9891\u7387\u8c03\u5236(LFM)\u7684\u6269\u9891\u6280\u672f\uff0c\u5176\u6838\u5fc3\u5728\u4e8e\u901a\u8fc7\u751f\u6210\u4e00\u7cfb\u5217\u9891\u7387\u968f\u65f6\u95f4\u7ebf\u6027\u53d8\u5316\u7684\u4fe1\u53f7\u6765\u6269\u5c55\u539f\u59cb\u4fe1\u53f7\u7684\u5e26\u5bbd\u3002\u8fd9\u79cd\u6280\u672f\u901a\u8fc7\u5f15\u5165\u4e00\u79cd\u79f0\u4e3a\u201cchirp\u201d\u7684\u7ebf\u6027\u9891\u7387\u53d8\u5316\u4fe1\u53f7\u6765\u5b9e\u73b0\u4fe1\u53f7\u7684\u6269\u5c55\uff0c\u4f7f\u5f97LoRa\u4fe1\u53f7\u80fd\u591f\u5728\u8f83\u5bbd\u7684\u9891\u7387\u8303\u56f4\u5185\u4f20\u8f93\u6570\u636e\uff0c\u4ece\u800c\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u548c\u901a\u4fe1\u8ddd\u79bb\u3002<\/p>\n\n\n\n

          \u3000\u3000\u5728CSS\u8c03\u5236\u8fc7\u7a0b\u4e2d\uff0cLoRa\u6a21\u5757\u5c06\u6570\u636e\u7f16\u7801\u5230\u4e00\u7cfb\u5217\u8fde\u7eed\u7684\u9891\u7387\u53d8\u5316\u7684\u6b63\u5f26\u6ce2\u4fe1\u53f7\u4e2d\uff0c\u5373\u5541\u557e\u4fe1\u53f7\u3002\u8fd9\u4e9b\u5541\u557e\u4fe1\u53f7\u7684\u9891\u7387\u968f\u65f6\u95f4\u7ebf\u6027\u589e\u52a0\uff0c\u5e76\u5728\u6bcf\u4e2a\u5468\u671f\u5185\u5b8c\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u9891\u7387\u626b\u63cf\u3002\u5177\u4f53\u6765\u8bf4\uff0cCSS\u8c03\u5236\u901a\u8fc7\u83b7\u53d6\u6b63\u5f26\u4fe1\u53f7\u5e76\u968f\u65f6\u95f4\u7ebf\u6027\u6539\u53d8\u5176\u9891\u7387\uff0c\u521b\u5efa\u7ebf\u6027\u8c03\u9891\u4fe1\u53f7\u3002\u8fd9\u79cd\u7ebf\u6027\u9891\u7387\u53d8\u5316\u4f7f\u5f97\u6bcf\u4e2a\u6570\u636e\u5305\u7684\u8f7d\u6ce2\u9891\u7387\u968f\u7740\u65f6\u95f4\u7ebf\u6027\u53d8\u5316\uff0c\u4ece\u800c\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u6297\u5e72\u6270\u6027\u7684\u901a\u4fe1\u7279\u6027\u3002<\/p>\n\n\n\n

          \u3000\u3000CSS\u8c03\u5236\u4f7f\u7528\u6269\u9891\u56e0\u5b50(Spreading Factor, SF)\u6765\u63a7\u5236\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u4e0e\u5bf9\u566a\u58f0\u7684\u62b5\u6297\u6027\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u6269\u9891\u56e0\u5b50\u51b3\u5b9a\u4e86\u6bcf\u4e2a\u7b26\u53f7\u5185\u5305\u542b\u7684\u5541\u557e\u6570\u91cf\uff0c\u4ece\u800c\u5e73\u8861\u6570\u636e\u901f\u7387\u548c\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u6269\u9891\u56e0\u5b50\u4ece7\u523012\u4e0d\u7b49\uff0c\u51b3\u5b9a\u4e86\u6bcf\u4e2a\u7b26\u53f7\u5185\u5305\u542b\u7684\u5541\u557e\u6570\u91cf\u3002<\/p>\n\n\n\n

          \u3000\u3000\u5728\u63a5\u6536\u7aef\uff0c\u901a\u8fc7\u5bf9\u6574\u4e2a\u9891\u6bb5\u7684\u6ed1\u52a8\u76f8\u5173\u6027\u8fdb\u884c\u8ba1\u7b97\uff0c\u53ef\u4ee5\u5b9e\u73b0\u89e3\u8c03\u3002\u5f53\u4fe1\u53f7\u53d1\u751f\u9891\u7387\u504f\u79fb\u65f6\uff0c\u63a5\u6536\u7aef\u901a\u8fc7\u5bf9\u6574\u4e2a\u9891\u6bb5\u7684\u6ed1\u52a8\u76f8\u5173\u6027\u8fdb\u884c\u8ba1\u7b97\uff0c\u4ece\u800c\u5b9e\u73b0\u89e3\u8c03\u3002\u8fd9\u79cd\u89e3\u8c03\u8fc7\u7a0b\u5305\u62ec\u89e3\u6269\u548c\u89e3\u8c03\u4e24\u4e2a\u6b65\u9aa4\uff1a\u89e3\u6269\u662f\u901a\u8fc7\u4e0edownchirp\u4fe1\u53f7\u76f8\u4e58\u5f97\u5230\u5355\u9891\u4fe1\u53f7\uff0c\u7136\u540e\u6839\u636e\u4fe1\u53f7\u7279\u6027\u8ba1\u7b97\u51fa\u8d77\u59cb\u9891\u7387;\u89e3\u8c03\u5219\u662f\u901a\u8fc7\u5bf9\u89e3\u6269\u540e\u7684\u4fe1\u53f7\u8fdb\u884cFFT\uff0c\u627e\u5230\u6700\u5927\u503c\u5bf9\u5e94\u7684\u4e0b\u6807\uff0c\u5373\u4e3a\u7f16\u7801\u7684\u6570\u636e\u3002<\/p>\n\n\n\n

          \u3000\u3000\u4e09\u3001 LoRa\u7f51\u7edc\u67b6\u6784\u4e2d\uff0c\u7f51\u5173\u4e0e\u5916\u90e8\u7f51\u7edc\u8fde\u63a5\u7684\u5177\u4f53\u65b9\u5f0f<\/h2>\n\n\n\n

          \u3000\u3000\u5728LoRa\u7f51\u7edc\u67b6\u6784\u4e2d\uff0c\u7f51\u5173\u4e0e\u5916\u90e8\u7f51\u7edc\u8fde\u63a5\u7684\u5177\u4f53\u65b9\u5f0f\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n\n\n\n

          \u3000\u3000\u4ee5\u592a\u7f51\u8fde\u63a5<\/strong>\uff1a\u8fd9\u662f\u6700\u5e38\u89c1\u7684\u8fde\u63a5\u65b9\u5f0f\u4e4b\u4e00\u3002\u7f51\u5173\u53ef\u4ee5\u901a\u8fc7\u4ee5\u592a\u7f51\u63a5\u53e3\u63a5\u5165\u5c40\u57df\u7f51\uff0c\u4ece\u800c\u5b9e\u73b0\u4e0e\u5916\u90e8\u7f51\u7edc\u7684\u8fde\u63a5\u3002<\/p>\n\n\n\n

          \u3000\u3000Wi-Fi\u8fde\u63a5<\/strong>\uff1a\u7f51\u5173\u4e5f\u53ef\u4ee5\u901a\u8fc7Wi-Fi\u6a21\u5757\u8fde\u63a5\u5230\u65e0\u7ebf\u7f51\u7edc\uff0c\u8fd9\u6837\u53ef\u4ee5\u65b9\u4fbf\u5730\u5c06\u6570\u636e\u4f20\u8f93\u5230\u4e92\u8054\u7f51\u4e0a\u3002<\/p>\n\n\n\n

          \u3000\u3000\u8702\u7a9d\u8fde\u63a5\uff083G\/4G\/5G\uff09<\/strong> \uff1a\u5bf9\u4e8e\u9700\u8981\u79fb\u52a8\u6027\u6216\u8986\u76d6\u8303\u56f4\u66f4\u5e7f\u7684\u5e94\u7528\u573a\u666f\uff0c\u7f51\u5173\u53ef\u4ee5\u4f7f\u7528\u8702\u7a9d\u7f51\u7edc\u8fdb\u884c\u8fde\u63a5\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u9700\u8981\u5728\u4e0d\u540c\u5730\u7406\u4f4d\u7f6e\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u7684\u573a\u666f\u3002<\/p>\n\n\n\n

          \u3000\u3000\u5149\u7ea4\u8fde\u63a5<\/strong>\uff1a\u5728\u4e00\u4e9b\u9ad8\u5e26\u5bbd\u9700\u6c42\u7684\u573a\u666f\u4e0b\uff0c\u7f51\u5173\u53ef\u4ee5\u901a\u8fc7\u5149\u7ea4\u8fde\u63a5\u5230\u5916\u90e8\u7f51\u7edc\uff0c\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

          \u3000\u30002.4GHz\u65e0\u7ebf\u7535\u94fe\u8def<\/strong>\uff1a\u67d0\u4e9b\u7f51\u5173\u53ef\u80fd\u652f\u6301\u901a\u8fc72.4GHz\u65e0\u7ebf\u7535\u94fe\u8def\u8fde\u63a5\u5230\u5916\u90e8\u7f51\u7edc\uff0c\u8fd9\u79cd\u65b9\u5f0f\u901a\u5e38\u7528\u4e8e\u7279\u5b9a\u7684\u5de5\u4e1a\u6216\u5546\u4e1a\u5e94\u7528\u3002<\/p>\n\n\n\n

          \u3000\u3000\u8fd9\u4e9b\u8fde\u63a5\u65b9\u5f0f\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\uff0c\u4f8b\u5982\u7f51\u7edc\u8986\u76d6\u8303\u56f4\u3001\u6570\u636e\u4f20\u8f93\u901f\u7387\u3001\u6210\u672c\u9884\u7b97\u7b49\u56e0\u7d20\u3002<\/p>\n\n\n\n

          \u3000\u3000\u56db\u3001 \u5728LoRa\u6280\u672f\u4e2d\uff0c\u524d\u5411\u7ea0\u9519\u7f16\u7801(FEC)\u662f\u5982\u4f55\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u53ef\u9760\u6027\u7684?<\/h2>\n\n\n\n

          \u3000\u3000\u5728LoRa\u6280\u672f\u4e2d\uff0c\u524d\u5411\u7ea0\u9519\u7f16\u7801(FEC)\u901a\u8fc7\u5728\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u6dfb\u52a0\u5197\u4f59\u4fe1\u606f\u6765\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002\u5177\u4f53\u6765\u8bf4\uff0cFEC\u7f16\u7801\u6280\u672f\u5728\u53d1\u9001\u7aef\u5bf9\u539f\u59cb\u6570\u636e\u8fdb\u884c\u5197\u4f59\u7f16\u7801\uff0c\u4f8b\u5982\u4f7f\u7528Reed-Solomon\u7f16\u7801\u6216\u5377\u79ef\u7f16\u7801\uff0c\u8fd9\u4e9b\u7f16\u7801\u65b9\u5f0f\u901a\u8fc7\u5728\u6570\u636e\u4e2d\u6dfb\u52a0\u6821\u9a8c\u4f4d\uff0c\u4f7f\u5f97\u63a5\u6536\u7aef\u80fd\u591f\u68c0\u6d4b\u5e76\u7ea0\u6b63\u4e00\u5b9a\u6570\u91cf\u7684\u9519\u8bef\u6bd4\u7279\u3002<\/p>\n\n\n\n

          \u3000\u3000\u8fd9\u79cd\u5197\u4f59\u4fe1\u606f\u5141\u8bb8\u63a5\u6536\u7aef\u5728\u68c0\u6d4b\u5230\u9519\u8bef\u65f6\u8fdb\u884c\u7ea0\u6b63\uff0c\u5373\u4f7f\u5728\u4fe1\u53f7\u5f3a\u5ea6\u8f83\u4f4e\u6216\u5b58\u5728\u566a\u58f0\u7684\u60c5\u51b5\u4e0b\u4e5f\u80fd\u4fdd\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002FEC\u6280\u672f\u80fd\u591f\u51cf\u5c11\u91cd\u4f20\u7684\u9700\u6c42\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u6548\u7387\u548c\u8d28\u91cf\u3002\u6b64\u5916\uff0cFEC\u6280\u672f\u5728\u9ad8\u5e72\u6270\u73af\u5883\u4e0b\u4f9d\u7136\u4fdd\u6301\u826f\u597d\u7684\u901a\u4fe1\u6027\u80fd\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u5728\u63a5\u6536\u7aef\u81ea\u52a8\u7ea0\u6b63\u7531\u4e8e\u5e72\u6270\u5bfc\u81f4\u7684\u6570\u636e\u9519\u8bef\u3002<\/p>\n\n\n\n

          \u3000\u3000\u5e38\u7528\u7684FEC\u7f16\u7801\u6280\u672f\u5305\u62ecReed-Solomon\u7f16\u7801\u548c\u5377\u79ef\u7f16\u7801\uff0c\u8fd9\u4e9b\u6280\u672f\u901a\u8fc7\u5728\u6570\u636e\u4e2d\u6dfb\u52a0\u6821\u9a8c\u4f4d\uff0c\u4f7f\u5f97\u63a5\u6536\u7aef\u80fd\u591f\u68c0\u6d4b\u5e76\u7ea0\u6b63\u4e00\u5b9a\u6570\u91cf\u7684\u9519\u8bef\u6bd4\u7279\u3002\u4f8b\u5982\uff0cLoRa\u6a21\u5757\u53ef\u4ee5\u91c7\u7528(4\/5)\u6216(4\/6)\u7684\u7f16\u7801\u7387\uff0c\u8fd9\u610f\u5473\u7740\u6bcf\u53d1\u90015\u4e2a\u62166\u4e2a\u7f16\u7801\u6bd4\u7279\uff0c\u5176\u4e2d\u53ea\u67094\u4e2a\u662f\u539f\u59cb\u6570\u636e\u6bd4\u7279\uff0c\u5176\u4f59\u7684\u662f\u7528\u4e8e\u7ea0\u9519\u7684\u6821\u9a8c\u6bd4\u7279\u3002<\/p>\n\n\n\n

          \u3000\u3000FEC\u6280\u672f\u7684\u57fa\u672c\u539f\u7406\u662f\u5bf9\u539f\u59cb\u6570\u636e\u8fdb\u884c\u5197\u4f59\u7f16\u7801\uff0c\u4e5f\u5c31\u662f\u5c06\u6570\u636e\u6309\u7167\u4e00\u5b9a\u7684\u7b97\u6cd5\uff0c\u5728\u539f\u59cb\u6570\u636e\u4e2d\u9644\u52a0\u989d\u5916\u7684\u6821\u9a8c\u7801\u3002\u7ecf\u8fc7\u524d\u5411\u7ea0\u9519\u7f16\u7801\u7684\u6570\u636e\uff0c\u5728\u4f20\u8f93\u7684\u8fc7\u7a0b\u4e2d\uff0c\u80fd\u591f\u5b9e\u65f6\u7ea0\u9519\uff0c\u65e0\u9700\u7b49\u5f85\u91cd\u4f20\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u901a\u4fe1\u7cfb\u7edf\u7684\u6574\u4f53\u6548\u7387\u548c\u6027\u80fd\u3002\u867d\u7136\u589e\u52a0\u5197\u4f59\u6570\u636e\u540e\uff0c\u4f20\u8f93\u901f\u7387\u4f1a\u964d\u4f4e(\u5373\u7801\u5143\u957f\u5ea6\u589e\u52a0)\uff0c\u4f46\u662f\u5728\u6574\u4e2a\u7cfb\u7edf\u4e2d\u5bf9\u6027\u80fd\u7684\u63d0\u5347\u6bd4\u8f83\u5927\u3002<\/p>\n\n\n\n

          \u3000\u3000\u4e94\u3001 LoRa\u6280\u672f\u5728\u667a\u80fd\u5bb6\u5c45\u9886\u57df\u7684\u5e94\u7528\u6848\u4f8b<\/h2>\n\n\n\n

          \u3000\u3000LoRa\u6280\u672f\u5728\u667a\u80fd\u5bb6\u5c45\u9886\u57df\u7684\u5e94\u7528\u6848\u4f8b\u5e7f\u6cdb\u4e14\u591a\u6837\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

          \u3000\u3000\u7167\u660e\u63a7\u5236<\/strong>\uff1aLoRa\u6280\u672f\u901a\u8fc7\u5176\u6269\u9891\u8c03\u5236\u65b9\u6848\u663e\u8457\u63d0\u5347\u4e86\u8bbe\u5907\u95f4\u7684\u901a\u4fe1\u8ddd\u79bb\u548c\u8986\u76d6\u8303\u56f4\uff0c\u4f7f\u5f97\u7167\u660e\u7cfb\u7edf\u80fd\u591f\u5b9e\u73b0\u81ea\u52a8\u5316\u63a7\u5236\u3001\u8054\u52a8\u63a7\u5236\u548c\u8fdc\u7a0b\u76d1\u63a7\u3002\u4f8b\u5982\uff0c\u4f7f\u7528LoRa\u6a21\u5757S76S\u8fdb\u884c\u667a\u80fd\u5bb6\u5c45\u65e0\u7ebf\u5316\u7684\u8fc7\u7a0b\uff0c\u5305\u62ec\u4f20\u611f\u5668\u7aef\u786c\u4ef6\u8bbe\u7f6e\u3001ATMEGA328\u4e0e\u7167\u5ea6\u8ba1\u8bfb\u53d6\u8bbe\u5b9a\u7b49\u6b65\u9aa4\uff0c\u5b9e\u73b0\u4e86\u7167\u660e\u7edf\u8ba1\u4e0e\u8c03\u914d\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n

          \u3000\u3000\u5bb6\u7535\u63a7\u5236<\/strong>\uff1aLoRa\u6280\u672f\u652f\u6301\u667a\u80fd\u63a7\u5236\uff0c\u4f7f\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u80fd\u591f\u81ea\u52a8\u611f\u77e5\u73af\u5883\u6570\u636e\u5e76\u8fdb\u884c\u5206\u6790\u3001\u63a7\u5236\u548c\u4f18\u5316\u3002\u4f8b\u5982\uff0c\u81ea\u52a8\u8c03\u8282\u7a7a\u8c03\u6e29\u5ea6\u4ee5\u4fdd\u6301\u8212\u9002\u5ea6\u3002\u6b64\u5916\uff0cYoSmart\u7684YoLink\u54c1\u724c\u4ea7\u54c1\u7cfb\u5217\u5305\u62ec\u6c34\u6f0f\u4f20\u611f\u5668\u3001\u95e8\/\u7a97\u4f20\u611f\u5668\u3001\u8fd0\u52a8\u4f20\u611f\u5668\u3001\u8f66\u5e93\u95e8\u63a7\u5236\u5668\u3001\u667a\u80fd\u706f\u3001\u667a\u80fd\u9501\u3001\u667a\u80fd\u6052\u6e29\u5668\u7b49\uff0c\u5747\u91c7\u7528LoRa\u65e0\u7ebf\u6280\u672f\uff0c\u6613\u4e8e\u5b89\u88c5\u3001\u4f7f\u7528\uff0c\u5e76\u63d0\u4f9b\u6700\u5927\u53ef\u80fd\u7684\u4fe1\u53f7\u8986\u76d6\u3002<\/p>\n\n\n\n

          \u3000\u3000\u793e\u533a\u7ba1\u7406<\/strong>\uff1aLoRa\u6280\u672f\u5728\u793e\u533a\u7ba1\u7406\u4e2d\u7684\u5e94\u7528\u5305\u62ec\u81ea\u52a8\u5316\u63a7\u5236\u3001\u8054\u52a8\u63a7\u5236\u548c\u8fdc\u7a0b\u76d1\u63a7\uff0c\u5982Sindcon\u548cIoT Kreasi Indonesia\u5229\u7528LoRaWAN\u5f00\u53d1\u7684\u7535\u6c60\u4f9b\u7535\u667a\u80fd\u4eea\u8868\uff0c\u7528\u4e8e\u5bb6\u5ead\u548c\u793e\u533a\u7684\u80fd\u6e90\u7ba1\u7406\u548c\u5b89\u5168\u76d1\u63a7\u3002<\/p>\n\n\n\n

          \u3000\u3000\u5b89\u5168\u6027\u80fd<\/strong>\uff1aLoRa\u6280\u672f\u901a\u8fc7\u52a0\u5bc6\u6280\u672f\u4fdd\u62a4\u4f20\u8f93\u4fe1\u606f\uff0c\u9632\u6b62\u9ed1\u5ba2\u7a83\u53d6\u6216\u7834\u574f\uff0c\u52a0\u5f3a\u4e86\u667a\u80fd\u5bb6\u5c45\u7684\u5b89\u5168\u4fdd\u969c\u3002\u4f8b\u5982\uff0c\u7b80\u8212\u667a\u80fd\u5bb6\u5c45\u7684LoRa\u667a\u80fd\u5bb6\u5c45\u63a7\u5236\u7cfb\u7edf\u5177\u5907\u4fe1\u53f7\u8fdc\u8ddd\u79bb\u4f20\u8f93\u3001\u5f3a\u7a7f\u5899\u80fd\u529b\u3001\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u548c\u7cfb\u7edf\u7a33\u5b9a\u6027\uff0c\u771f\u6b63\u5b9e\u73b0\u4e86\u667a\u80fd\u5bb6\u5c45\u7684\u843d\u5730\u3002<\/p>\n\n\n\n

          \u3000\u3000\u73af\u5883\u76d1\u6d4b<\/strong>\uff1aLoRa\u6280\u672f\u652f\u6301\u667a\u80fd\u6570\u636e\u91c7\u96c6\u548c\u7ba1\u7406\uff0c\u901a\u8fc7\u7f51\u7edc\u5c06\u4f20\u611f\u5668\u6570\u636e\u4f20\u8f93\u5230\u63a7\u5236\u4e2d\u5fc3\uff0c\u7528\u4e8e\u5b9e\u65f6\u6570\u636e\u91c7\u96c6\u548c\u5b58\u50a8\uff0c\u4f18\u5316\u5bb6\u5c45\u8bbe\u5907\u8fd0\u884c\uff0c\u63d0\u9ad8\u6548\u7387\u548c\u8282\u80fd\u6027\u3002\u4f8b\u5982\uff0ceLichens\u7684avolta\u6c14\u4f53\u4f20\u611f\u5668\u7528\u4e8e\u5929\u7136\u6c14\u6cc4\u6f0f\u68c0\u6d4b\uff0cIQnexus\u7684\u5ba4\u5185\u7a7a\u6c14\u8d28\u91cf\u548c\u73af\u5883\u8d28\u91cf\u4f20\u611f\u5668\u7b49\u3002<\/p>\n\n\n\n

          \u3000\u3000\u5176\u4ed6\u5e94\u7528<\/strong>\uff1aLoRa\u6280\u672f\u8fd8\u88ab\u5e94\u7528\u4e8e\u5176\u4ed6\u667a\u80fd\u5bb6\u5c45\u573a\u666f\uff0c\u5982\u5ba0\u7269\u5730\u7406\u56f4\u680f\u3001\u667a\u80fd\u8868\u8ba1\u3001\u6cc4\u6f0f\u68c0\u6d4b\u7b49\u3002\u4f8b\u5982\uff0cTalkpool\u57fa\u4e8eLoRa\u7684\u4ea7\u54c1\u7ec4\u5408\u63d0\u9ad8\u80fd\u6e90\u6548\u7387\u548c\u623f\u4ea7\u6295\u8d44\u56de\u62a5\u7387\uff0ciioote\u7684WebIoT\u5e73\u53f0\u548cSenseIoT\u89e3\u51b3\u65b9\u6848\u7528\u4e8e\u6f0f\u6c34\u68c0\u6d4b\u548c\u9884\u9632\u3002<\/p>\n\n\n\n

          \u3000\u3000\u516d\u3001 LoRa\u6280\u672f\u9762\u4e34\u7684\u4e3b\u8981\u6311\u6218\u548c\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n

          \u3000\u3000LoRa\u6280\u672f\u5728\u7269\u8054\u7f51(IoT)\u9886\u57df\u5c55\u73b0\u51fa\u663e\u8457\u4f18\u52bf\uff0c\u5982\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u4f20\u8f93\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u4f46\u4e5f\u9762\u4e34\u4e00\u7cfb\u5217\u6311\u6218\u3002\u4ee5\u4e0b\u662fLoRa\u6280\u672f\u9762\u4e34\u7684\u4e3b\u8981\u6311\u6218\u53ca\u5176\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n\n\n\n

          \u3000\u30001. \u9891\u8c31\u7ba1\u7406\u95ee\u9898<\/strong>\uff1a<\/h3>\n\n\n\n

          \u3000\u3000\u6311\u6218<\/strong>\uff1a\u7531\u4e8eLoRa\u4f7f\u7528\u516c\u5171\u9891\u8c31\uff0c\u9891\u9053\u62e5\u585e\u548c\u5e72\u6270\u53ef\u80fd\u6210\u4e3a\u95ee\u9898\uff0c\u5c24\u5176\u5728\u9ad8\u5bc6\u5ea6\u90e8\u7f72\u7684\u533a\u57df\u3002<\/p>\n\n\n\n

          \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u53ef\u4ee5\u901a\u8fc7\u9891\u8c31\u611f\u77e5\u6280\u672f\u6765\u4f18\u5316\u9891\u8c31\u4f7f\u7528\uff0c\u51cf\u5c11\u5e72\u6270\u3002\u91c7\u7528\u52a8\u6001\u9891\u7387\u9009\u62e9(DFS)\u6280\u672f\u53ef\u4ee5\u81ea\u52a8\u8c03\u6574\u9891\u7387\u4ee5\u907f\u514d\u5e72\u6270\u3002<\/p>\n\n\n\n

          \u3000\u30002. \u4fe1\u53f7\u5e72\u6270<\/strong>\uff1a<\/h3>\n\n\n\n

          \u3000\u3000\u6311\u6218<\/strong>\uff1aLoRa\u6280\u672f\u7684\u8986\u76d6\u8303\u56f4\u8f83\u5e7f\uff0c\u5728\u67d0\u4e9b\u7279\u6b8a\u73af\u5883\u4e2d(\u5982\u5bc6\u96c6\u7684\u57ce\u5e02\u5730\u533a\u6216\u5efa\u7b51\u7269\u5185\u90e8)\u53ef\u80fd\u4f1a\u53d7\u5230\u4fe1\u53f7\u5e72\u6270\u3002<\/p>\n\n\n\n

          \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u5929\u7ebf\u9ad8\u5ea6\u3001\u4f7f\u7528\u591a\u5929\u7ebf\u7cfb\u7edf\u6216\u91c7\u7528\u5b9a\u5411\u5929\u7ebf\u6765\u6539\u5584\u4fe1\u53f7\u8986\u76d6\u3002\u5229\u7528\u5ba4\u5185\u5b9a\u4f4d\u6280\u672f\u4e5f\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u8d28\u91cf\u3002<\/p>\n\n\n\n

          \u3000\u30003. \u786c\u4ef6\u6210\u672c\u548c\u517c\u5bb9\u6027\u95ee\u9898<\/strong>\uff1a<\/h3>\n\n\n\n

          \u3000\u3000\u6311\u6218<\/strong>\uff1aLoRa\u6280\u672f\u9700\u8981\u989d\u5916\u7684\u786c\u4ef6\u7ec4\u4ef6\uff0c\u5982\u5929\u7ebf\u548c\u63a5\u6536\u5668\uff0c\u8fd9\u53ef\u80fd\u589e\u52a0\u8bbe\u5907\u7684\u6210\u672c\u3002\u6b64\u5916\uff0cLoRa\u6280\u672f\u8fd8\u9700\u8981\u4e0e\u5176\u4ed6\u65e0\u7ebf\u901a\u4fe1\u534f\u8bae\u517c\u5bb9\uff0c\u4ee5\u5b9e\u73b0\u66f4\u597d\u7684\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n

          \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u901a\u8fc7\u6807\u51c6\u5316\u786c\u4ef6\u8bbe\u8ba1\u548c\u6a21\u5757\u5316\u7ec4\u4ef6\uff0c\u964d\u4f4e\u8bbe\u5907\u6210\u672c\u3002\u540c\u65f6\uff0c\u5f00\u53d1\u7edf\u4e00\u7684\u63a5\u53e3\u6807\u51c6\uff0c\u4f7fLoRa\u8bbe\u5907\u80fd\u591f\u4e0e\u73b0\u6709\u7684\u901a\u4fe1\u7cfb\u7edf\u65e0\u7f1d\u96c6\u6210\u3002<\/p>\n\n\n\n

          \u3000\u30004. \u82af\u7247\u4f9d\u8d56\u95ee\u9898<\/strong>\uff1a<\/h3>\n\n\n\n

          \u3000\u3000\u6311\u6218<\/strong>\uff1aLoRa\u82af\u7247\u7684\u6838\u5fc3\u4e13\u5229\u638c\u63e1\u5728Semtech\u4e00\u5bb6\u516c\u53f8\u624b\u91cc\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u4f9b\u5e94\u94fe\u98ce\u9669\u548c\u6210\u672c\u4e0a\u5347\u3002<\/p>\n\n\n\n

          \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u63a8\u52a8\u5f00\u6e90\u82af\u7247\u9879\u76ee\u7684\u53d1\u5c55\uff0c\u9f13\u52b1\u66f4\u591a\u7684\u4f01\u4e1a\u53c2\u4e0eLoRa\u82af\u7247\u7684\u7814\u53d1\u548c\u751f\u4ea7\u3002\u5efa\u7acb\u591a\u5143\u5316\u7684\u4f9b\u5e94\u94fe\u4f53\u7cfb\uff0c\u51cf\u5c11\u5bf9\u5355\u4e00\u4f9b\u5e94\u5546\u7684\u4f9d\u8d56\u3002<\/p>\n\n\n\n

          \u3000\u30005. \u76d1\u7ba1\u5408\u89c4\u95ee\u9898<\/strong>\uff1a<\/h3>\n\n\n\n

          \u3000\u3000\u6311\u6218<\/strong>\uff1a\u6ee1\u8db3\u4e0d\u540c\u5730\u533a\u7684\u76d1\u7ba1\u5408\u89c4\u8981\u6c42(\u5982FCC\u3001CE\u7b49)\u9700\u8981\u590d\u6742\u7684\u8c10\u6ce2\u6ee4\u6ce2\u548c\u5339\u914d\u7f51\u7edc\uff0c\u8fd9\u5bf9\u5c04\u9891\u8bbe\u8ba1\u7ecf\u9a8c\u6709\u9650\u7684\u4ea7\u54c1\u8bbe\u8ba1\u5e08\u800c\u8a00\u662f\u4e00\u4e2a\u6311\u6218\u3002<\/p>\n\n\n\n

          \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u63d0\u4f9b\u6807\u51c6\u5316\u7684\u5408\u89c4\u89e3\u51b3\u65b9\u6848\uff0c\u5e76\u4e0e\u76d1\u7ba1\u673a\u6784\u5408\u4f5c\u5236\u5b9a\u660e\u786e\u7684\u6280\u672f\u89c4\u8303\u3002\u52a0\u5f3a\u4e0e\u5c04\u9891\u8bbe\u8ba1\u516c\u53f8\u7684\u5408\u4f5c\uff0c\u63d0\u4f9b\u6280\u672f\u652f\u6301\u548c\u57f9\u8bad\u3002<\/p>\n\n\n\n

          \u3000\u30006. \u6570\u636e\u4f20\u8f93\u901f\u7387\u9650\u5236<\/strong>\uff1a<\/h3>\n\n\n\n

          \u3000\u3000\u6311\u6218<\/strong>\uff1aLoRa\u7684\u6700\u5927\u4f20\u8f93\u901f\u7387\u7ea6\u4e3a50kbps\uff0c\u5bf9\u4e8e\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u6765\u8bf4\uff0cLoRa\u5e76\u4e0d\u662f\u6700\u4f73\u9009\u62e9\u3002<\/p>\n\n\n\n

          \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u4f18\u5316\u6570\u636e\u4f20\u8f93\u7b56\u7565\uff0c\u9009\u62e9\u5408\u9002\u7684\u901a\u4fe1\u6280\u672f\uff0c\u4ee5\u53ca\u5229\u7528\u7269\u8054\u7f51\u5e73\u53f0\u8fdb\u884c\u96c6\u4e2d\u5f0f\u7ba1\u7406\u3002<\/p>\n\n\n\n

          \u3000\u30007. \u7f51\u7edc\u62e5\u5835\u95ee\u9898<\/strong>\uff1a<\/h3>\n\n\n\n

          \u3000\u3000\u6311\u6218<\/strong>\uff1a\u5728\u7ec8\u7aef\u8bbe\u5907\u8fc7\u591a\u7684\u60c5\u51b5\u4e0b\uff0cLoRa\u7f51\u7edc\u53ef\u80fd\u4f1a\u906d\u9047\u62e5\u5835\uff0c\u4ece\u800c\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u5ef6\u8fdf\u6216\u4e22\u5931\u3002<\/p>\n\n\n\n

          \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u901a\u8fc7\u5e72\u6270\u7ba1\u7406\u548c\u78b0\u649e\u907f\u514d\u673a\u5236\u6765\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n\n\n\n

          \u3000\u30008. \u5b89\u5168\u6027\u9690\u60a3<\/strong>\uff1a<\/h3>\n\n\n\n

          \u3000\u3000\u6311\u6218<\/strong>\uff1aLoRa\u7f51\u7edc\u9762\u4e34\u7684\u5b89\u5168\u5a01\u80c1\u5305\u62ec\u76d1\u542c\u3001\u9009\u62e9\u6027\u8f6c\u53d1\u548c\u8282\u70b9\u5192\u5145\u7b49\u653b\u51fb\u3002<\/p>\n\n\n\n

          \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u901a\u8fc7\u66f4\u5148\u8fdb\u7684\u52a0\u5bc6\u6280\u672f\u548c\u5b89\u5168\u534f\u8bae\u6765\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n\n\n\n

          \u3000\u3000\u901a\u8fc7\u6280\u672f\u521b\u65b0\u3001\u5408\u7406\u89c4\u5212\u548c\u7ba1\u7406\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u51b3LoRa\u6280\u672f\u7684\u6311\u6218\uff0c\u5145\u5206\u53d1\u6325\u5176\u5728\u5404\u79cd\u5e94\u7528\u573a\u666f\u4e2d\u7684\u6f5c\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

          LoRa(Long Range)\u901a\u4fe1\u6280\u672f\u662f\u4e00\u79cd\u4e13\u4e3a\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u8bbe\u8ba1\u7684\u6280\u672f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51(IoT)\u9886\u57df\u3002\u5176\u6838\u5fc3\u539f\u7406\u57fa\u4e8e\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u7279\u522b\u662fChirp Spread Spectrum(CSS)\u6280\u672f<\/p>\n","protected":false},"author":1,"featured_media":98952,"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":[54,387],"class_list":["post-99869","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2","tag-lora_communication"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99869","targetHints":{"allow":["GET"]}}],"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=99869"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99869\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/98952"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=99869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=99869"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=99869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}