{"id":98241,"date":"2024-10-13T17:23:07","date_gmt":"2024-10-13T09:23:07","guid":{"rendered":"\/\/www.viralrail.com\/?p=98241"},"modified":"2024-10-13T17:23:22","modified_gmt":"2024-10-13T09:23:22","slug":"wxtxjslssm","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/98241.html","title":{"rendered":"\u65e0\u7ebf\u901a\u4fe1\u6280\u672fLoRa\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"\n

\u3000\u3000LoRa<\/strong>(Long Range Radio)\u662f\u4e00\u79cd\u7531\u7f8e\u56fdSemtech\u516c\u53f8\u5f00\u53d1\u7684\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)<\/strong>\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u3002\u5176\u540d\u79f0\u201cLoRa\u201d\u610f\u4e3a\u8fdc\u8ddd\u79bb\u65e0\u7ebf\u7535\uff0c\u5b83\u57fa\u4e8e\u6269\u9891\u6280\u672f\uff0c\u80fd\u591f\u5728\u4f4e\u529f\u8017\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u957f\u8ddd\u79bb\u7684\u65e0\u7ebf\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f<\/strong>\u7684\u6838\u5fc3\u7279\u70b9\u662f\u80fd\u591f\u5728\u76f8\u540c\u7684\u529f\u8017\u6761\u4ef6\u4e0b\u6bd4\u4f20\u7edf\u65e0\u7ebf\u901a\u4fe1\u65b9\u5f0f\u4f20\u64ad\u66f4\u8fdc\u7684\u8ddd\u79bb\uff0c\u901a\u5e38\u6bd4\u4f20\u7edf\u65e0\u7ebf\u5c04\u9891\u901a\u4fe1\u8ddd\u79bb\u6269\u59273\u52305\u500d\u3002\u8fd9\u79cd\u6280\u672f\u91c7\u7528CSS(Chirp Spread Spectrum)\u8c03\u5236\u65b9\u5f0f\uff0c\u901a\u8fc7\u7ebf\u6027\u9891\u7387\u8c03\u5236\u6bcf\u4e2a\u8109\u51b2\u6765\u7f16\u7801\u4fe1\u606f\uff0c\u4ece\u800c\u4ea7\u751f\u4e00\u4e2a\u9891\u7387\u968f\u65f6\u95f4\u53d8\u5316\u7684\u6b63\u5f26\u4fe1\u53f7\uff0c\u8fd9\u4f7f\u5f97LoRa\u80fd\u591f\u5728\u57ce\u5e02\u5730\u533a\u5b9e\u73b0\u957f\u8fbe2-5\u516c\u91cc\u7684\u8fdc\u8ddd\u79bb\u4f20\u8f93\uff0c\u751a\u81f3\u53ef\u4ee5\u8986\u76d6\u519c\u6751\u5730\u533a\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51\u9886\u57df\uff0c\u7279\u522b\u662f\u5728\u667a\u80fd\u57ce\u5e02\u3001\u519c\u4e1a\u7269\u8054\u7f51\u3001\u73af\u5883\u76d1\u6d4b\u7b49\u65b9\u9762\u3002\u4f8b\u5982\uff0c\u5728\u667a\u80fd\u57ce\u5e02\u4e2d\uff0cLoRa\u53ef\u7528\u4e8e\u667a\u80fd\u4ea4\u901a\u3001\u667a\u80fd\u7167\u660e\u548c\u73af\u5883\u76d1\u6d4b\u7b49\u7cfb\u7edf\uff0c\u5b9e\u73b0\u57ce\u5e02\u5404\u5143\u7d20\u7684\u4e92\u8054\u4e92\u901a\u3002\u5728\u519c\u4e1a\u7269\u8054\u7f51\u4e2d\uff0cLoRa\u6280\u672f\u53ef\u4ee5\u7528\u4e8e\u5b9e\u65f6\u76d1\u6d4b\u519c\u7530\u73af\u5883\u548c\u4f5c\u7269\u751f\u957f\u72b6\u51b5\uff0c\u63d0\u9ad8\u519c\u4e1a\u751f\u4ea7\u6548\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0cLoRa\u8fd8\u5177\u6709\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u9ad8\u63a5\u6536\u7075\u654f\u5ea6\u7b49\u7279\u70b9\uff0c\u4f7f\u5176\u5728\u5404\u79cd\u590d\u6742\u73af\u5883\u4e2d\u90fd\u80fd\u4fdd\u6301\u53ef\u9760\u7684\u901a\u4fe1\u3002\u7136\u800c\uff0cLoRa\u4e5f\u9762\u4e34\u4e00\u4e9b\u6311\u6218\uff0c\u5982\u5b89\u5168\u6027\u95ee\u9898\u4ee5\u53ca\u4e0eNB-IoT\u7b49\u5176\u4ed6LPWAN\u6280\u672f\u7684\u7ade\u4e89\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u662f\u4e00\u79cd\u91cd\u8981\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u901a\u8fc7\u5176\u72ec\u7279\u7684\u6269\u9891\u8c03\u5236\u6280\u672f\u548c\u957f\u8ddd\u79bb\u4f4e\u529f\u8017\u7684\u7279\u70b9\uff0c\u5728\u7269\u8054\u7f51\u548c\u667a\u80fd\u8bbe\u5907\u7684\u5e7f\u6cdb\u5e94\u7528\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u6280\u672f\u7684\u5b89\u5168\u6027\u95ee\u9898<\/h2>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5728\u7269\u8054\u7f51\u9886\u57df\u867d\u7136\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u6f5c\u529b\uff0c\u4f46\u5176\u5b89\u5168\u6027\u95ee\u9898\u4e5f\u65e5\u76ca\u51f8\u663e\uff0c\u6210\u4e3a\u5236\u7ea6\u5176\u8fdb\u4e00\u6b65\u53d1\u5c55\u7684\u91cd\u8981\u56e0\u7d20\u3002\u5177\u4f53\u7684\u5b89\u5168\u6027\u95ee\u9898\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u5bc6\u94a5\u7ba1\u7406<\/strong>\uff1aLoRa\u7f51\u7edc\u7684\u5b89\u5168\u9690\u60a3\u4e4b\u4e00\u662f\u5bc6\u94a5\u7ba1\u7406\u95ee\u9898\u3002\u7531\u4e8eLoRa\u7f51\u7edc\u7684\u7528\u6237\u9700\u8981\u62e5\u6709\u81ea\u5df1\u7684\u5bc6\u94a5\uff0c\u8fd9\u4e9b\u5bc6\u94a5\u4ee3\u8868\u4e2a\u4eba\u8eab\u4efd\u548c\u529f\u80fd\u9a8c\u8bc1\u3002\u5982\u679c\u5bc6\u94a5\u7ba1\u7406\u4e0d\u5f53\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5bc6\u94a5\u6cc4\u9732\u6216\u88ab\u6076\u610f\u5229\u7528\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4f2a\u9020\u62a5\u6587<\/strong>\uff1aLoRa\u901a\u4fe1\u53ef\u80fd\u53d7\u5230\u4f2a\u9020\u62a5\u6587\u7684\u5a01\u80c1\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u4f2a\u9020\u6570\u636e\u5305\u6765\u5e72\u6270\u7f51\u7edc\u901a\u4fe1\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u6076\u610f\u62e5\u585e<\/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\u5bc6\u96c6\u57ce\u5e02\u533a\u57df\u3002\u8fd9\u4e0d\u4ec5\u5f71\u54cd\u901a\u4fe1\u8d28\u91cf\uff0c\u8fd8\u53ef\u80fd\u88ab\u6076\u610f\u5229\u7528\u6765\u5236\u9020\u7f51\u7edc\u62e5\u585e\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u7ec8\u7aef\u5b89\u5168<\/strong>\uff1aLoRa\u7ec8\u7aef\u8bbe\u5907\u7684\u5b89\u5168\u6027\u4e5f\u662f\u4e00\u4e2a\u91cd\u8981\u95ee\u9898\u3002\u7ec8\u7aef\u8bbe\u5907\u53ef\u80fd\u6210\u4e3a\u653b\u51fb\u76ee\u6807\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u7ec8\u7aef\u8bbe\u5907\u8fdb\u884c\u4e2d\u95f4\u4eba\u653b\u51fb\u548c\u6570\u636e\u7be1\u6539\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u91cd\u653e\u653b\u51fb\u548c\u6bd4\u7279\u7ffb\u8f6c\u653b\u51fb<\/strong>\uff1aLoRaWAN\u6807\u51c6\u4e2d\u5b58\u5728\u91cd\u653e\u653b\u51fb\u3001\u6570\u636e\u5305\u91cd\u653e\u653b\u51fb\u3001\u7a83\u542c\u6570\u636e\u5305\u4ee5\u53ca\u6bd4\u7279\u7ffb\u8f6c\u653b\u51fb\u7b49\u5b89\u5168\u6f0f\u6d1e\u3002\u8fd9\u4e9b\u6f0f\u6d1e\u53ef\u80fd\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u6216\u6570\u636e\u5305\u89e3\u5bc6\u7b49\u95ee\u9898\uff0c\u5e76\u53ef\u80fd\u5bf9\u7f51\u7edc\u5b89\u5168\u9020\u6210\u5a01\u80c1\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n\n\n\n

      \n
    • \u3000\u3000\u4f7f\u7528\u52a0\u5bc6\u7b97\u6cd5<\/strong>\uff1a\u4e3a\u4e86\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528AES-128\u52a0\u5bc6\u7b97\u6cd5\u5bf9LoRa\u901a\u4fe1\u8fdb\u884c\u4fdd\u62a4\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u91c7\u7528\u5176\u4ed6\u52a0\u5bc6\u6280\u672f\u6765\u589e\u5f3a\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u667a\u80fd\u9891\u8c31\u7ba1\u7406<\/strong>\uff1a\u5b9e\u65bd\u667a\u80fd\u9891\u8c31\u7ba1\u7406\uff0c\u52a8\u6001\u9009\u62e9\u53ef\u7528\u9891\u9053\uff0c\u5e76\u5229\u7528LoRa\u7684\u81ea\u9002\u5e94\u8c03\u5236\u6280\u672f\uff0c\u6839\u636e\u73af\u5883\u52a8\u6001\u8c03\u6574\u8c03\u5236\u89e3\u8c03\u65b9\u5f0f\uff0c\u4ee5\u51cf\u5c11\u9891\u9053\u62e5\u585e\u548c\u5e72\u6270\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u52a0\u5f3a\u5bc6\u94a5\u7ba1\u7406<\/strong>\uff1a\u5efa\u8bae\u968f\u673a\u624b\u52a8\u914d\u7f6e\u5bc6\u94a5\uff0c\u5e76\u4fdd\u6301\u5bc6\u94a5\u7684\u552f\u4e00\u6027\u3002\u5728\u91cd\u7f6e\u5bc6\u94a5\u65f6\uff0c\u5e94\u786e\u4fdd\u5bc6\u94a5\u7684\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u6539\u8fdb\u534f\u8bae\u6807\u51c6<\/strong>\uff1aLoRaWAN v1.1\u7248\u672c\u5f15\u5165\u4e86DevNonce\u968f\u673a\u751f\u6210\u529f\u80fd\uff0c\u5e76\u5bf9\u91cd\u653e\u653b\u51fb\u8fdb\u884c\u4e86\u6539\u8fdb\u3002\u7136\u800c\uff0c\u4ecd\u9700\u8fdb\u4e00\u6b65\u6539\u8fdb\u4ee5\u786e\u4fdd\u7f51\u7edc\u5b89\u5168\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u7efc\u5408\u5b89\u5168\u63aa\u65bd<\/strong>\uff1a\u9700\u8981\u7efc\u5408\u8003\u8651\u6570\u636e\u9690\u79c1\u4fdd\u62a4\u3001\u7f51\u7edc\u5b89\u5168\u548c\u8bbe\u5907\u8eab\u4efd\u8ba4\u8bc1\u7b49\u65b9\u9762\uff0c\u91c7\u53d6\u76f8\u5e94\u7684\u5b89\u5168\u63aa\u65bd\u548c\u7b56\u7565\uff0c\u624d\u80fd\u66f4\u597d\u5730\u4fdd\u969c\u7269\u8054\u7f51\u7684\u5b89\u5168\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000\u4e8c\u3001 LoRa\u4e0eNB-IoT\u7b49\u5176\u4ed6LPWAN\u6280\u672f\u5728\u6027\u80fd\u548c\u5e94\u7528\u573a\u666f\u5bf9\u6bd4<\/h2>\n\n\n\n

      \u3000\u3000LoRa\u4e0eNB-IoT\u7b49\u5176\u4ed6LPWAN\u6280\u672f\u5728\u6027\u80fd\u548c\u5e94\u7528\u573a\u666f\u4e0a\u7684\u4e3b\u8981\u5dee\u5f02\u5982\u4e0b\uff1a<\/p>\n\n\n\n

      \u3000\u30001. \u9891\u6bb5\u548c\u6388\u6743<\/strong>\uff1a<\/h3>\n\n\n\n

      \u3000\u3000LoRa\u5de5\u4f5c\u5728\u975e\u6388\u6743\u76841GHz\u4ee5\u4e0b\u9891\u6bb5\uff0c\u8fd9\u610f\u5473\u7740\u8bbe\u5907\u4e0d\u9700\u8981\u652f\u4ed8\u989d\u5916\u8d39\u7528\u5373\u53ef\u4f7f\u7528\u8be5\u9891\u6bb5\u3002\u800cNB-IoT\u5219\u5de5\u4f5c\u5728\u6388\u6743\u9891\u6bb5\uff0c\u9700\u8981\u901a\u4fe1\u8fd0\u8425\u5546\u7684\u652f\u6301\u548c\u8bb8\u53ef\u3002<\/p>\n\n\n\n

      \u3000\u30002. \u529f\u8017\u548c\u7535\u6c60\u5bff\u547d<\/strong>\uff1a<\/h3>\n\n\n\n

      \u3000\u3000LoRa\u7684\u529f\u8017\u8f83\u4f4e\uff0c\u56e0\u6b64\u5176\u7535\u6c60\u5bff\u547d\u8f83\u957f\uff0c\u53ef\u4ee5\u8fbe\u523015\u5e74\u4ee5\u4e0a\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cNB-IoT\u7684\u529f\u8017\u8f83\u9ad8\uff0c\u7535\u6c60\u5bff\u547d\u901a\u5e38\u4e3a10\u5e74\u4ee5\u4e0a\u3002\u4e0d\u8fc7\uff0cNB-IoT\u7684\u529f\u8017\u53d7\u6570\u636e\u4f20\u8f93\u9891\u7387\u7684\u5f71\u54cd\u8f83\u5927\uff0c\u9ad8\u9891\u5e94\u7528\u4f1a\u663e\u8457\u589e\u52a0\u529f\u8017\u3002<\/p>\n\n\n\n

      \u3000\u30003. \u6570\u636e\u901f\u7387<\/strong>\uff1a<\/h3>\n\n\n\n

      \u3000\u3000LoRa\u7684\u6570\u636e\u901f\u7387\u8f83\u4f4e\uff0c\u901a\u5e38\u57280.3-50kbps\u4e4b\u95f4\u3002\u800cNB-IoT\u7684\u6570\u636e\u901f\u7387\u8f83\u9ad8\uff0c\u4f46\u4ecd\u7136\u4f4e\u4e8e100kbps\u3002<\/p>\n\n\n\n

      \u3000\u30004. \u8986\u76d6\u8303\u56f4\u548c\u7a7f\u900f\u529b<\/strong>\uff1a<\/h3>\n\n\n\n

      \u3000\u3000NB-IoT\u5177\u6709\u66f4\u5927\u7684\u8986\u76d6\u8303\u56f4\uff0c\u7406\u8bba\u4e0a\u53ef\u4ee5\u8fbe\u523020\u516c\u91cc\u3002\u540c\u65f6\uff0cNB-IoT\u5728\u5efa\u7b51\u7269\u5185\u90e8\u7684\u7a7f\u900f\u529b\u8f83\u5f3a\uff0c\u9002\u5408\u4e8e\u9700\u8981\u6df1\u5165\u5ba4\u5185\u8986\u76d6\u7684\u5e94\u7528\u573a\u666f\u3002LoRa\u7684\u8986\u76d6\u8303\u56f4\u76f8\u5bf9\u8f83\u77ed\uff0c\u901a\u5e38\u4e3a10\u516c\u91cc\u5de6\u53f3\u3002<\/p>\n\n\n\n

      \u3000\u30005. \u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/h3>\n\n\n\n

      \u3000\u3000LoRa\u7531\u4e8e\u5176\u4f4e\u529f\u8017\u548c\u957f\u8ddd\u79bb\u4f20\u8f93\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u9700\u8981\u957f\u671f\u7535\u6c60\u5bff\u547d\u548c\u5e7f\u8986\u76d6\u8303\u56f4\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u519c\u4e1a\u76d1\u6d4b\u3001\u73af\u5883\u76d1\u6d4b\u7b49\u3002<\/p>\n\n\n\n

      \u3000\u3000NB-IoT\u7531\u4e8e\u5176\u9ad8\u8fde\u63a5\u6570\u548c\u5f3a\u7a7f\u900f\u529b\uff0c\u66f4\u9002\u5408\u4e8e\u5927\u89c4\u6a21\u7269\u8054\u7f51\u8bbe\u5907\u8fde\u63a5\u548c\u9700\u8981\u9ad8\u6570\u636e\u4f20\u8f93\u7387\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u667a\u80fd\u8ba1\u91cf\u3001\u667a\u80fd\u57ce\u5e02\u7b49\u3002<\/p>\n\n\n\n

      \u3000\u30006. \u90e8\u7f72\u548c\u6210\u672c<\/strong>\uff1a<\/h3>\n\n\n\n

      \u3000\u3000LoRa\u7684\u90e8\u7f72\u76f8\u5bf9\u7b80\u5355\uff0c\u4e0d\u9700\u8981\u901a\u4fe1\u8fd0\u8425\u5546\u7684\u652f\u6301\uff0c\u56e0\u6b64\u6210\u672c\u8f83\u4f4e\u3002NB-IoT\u7684\u90e8\u7f72\u9700\u8981\u901a\u4fe1\u8fd0\u8425\u5546\u7684\u652f\u6301\uff0c\u6210\u672c\u8f83\u9ad8\u3002<\/p>\n\n\n\n

      \u3000\u3000LoRa\u548cNB-IoT\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

      \u3000\u3000\u4e09\u3001 LoRa\u6280\u672f\u5728\u667a\u80fd\u57ce\u5e02\u548c\u519c\u4e1a\u7269\u8054\u7f51\u4e2d\u7684\u5177\u4f53\u5e94\u7528<\/h2>\n\n\n\n

      \u3000\u3000LoRa\u6280\u672f\u5728\u667a\u80fd\u57ce\u5e02\u548c\u519c\u4e1a\u7269\u8054\u7f51\u4e2d\u7684\u5177\u4f53\u5e94\u7528\u6848\u4f8b\u975e\u5e38\u4e30\u5bcc\uff0c\u6db5\u76d6\u4e86\u591a\u4e2a\u9886\u57df\u548c\u573a\u666f\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u6848\u4f8b\u5206\u6790\uff1a<\/p>\n\n\n\n

      \u3000\u30001. \u667a\u80fd\u57ce\u5e02\u4e2d\u7684\u5e94\u7528\u6848\u4f8b<\/h3>\n\n\n\n

      \u3000\u3000\u667a\u80fd\u8def\u706f\u7cfb\u7edf\u662f\u667a\u6167\u57ce\u5e02\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u73af\uff0c\u5229\u7528LoRa\u6280\u672f\u53ef\u4ee5\u5b9e\u73b0\u8fdc\u7a0b\u63a7\u5236\u548c\u7ba1\u7406\uff0c\u6839\u636e\u5b9e\u65f6\u5149\u7167\u548c\u884c\u4eba\u6d41\u91cf\u81ea\u52a8\u8c03\u8282\u4eae\u5ea6\uff0c\u4ece\u800c\u8282\u7701\u80fd\u6e90\u5e76\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n

      \u3000\u3000\u5728\u56ed\u6797\u7eff\u5316\u65b9\u9762\uff0cLoRa\u6280\u672f\u88ab\u7528\u4e8e\u667a\u80fd\u68c0\u6d4b\u7cfb\u7edf\uff0c\u901a\u8fc7\u4f4e\u6210\u672c\u3001\u4f4e\u529f\u8017\u7684\u4f20\u611f\u5668\u7f51\u7edc\u5b9e\u65f6\u76d1\u6d4b\u690d\u7269\u751f\u957f\u72b6\u51b5\u548c\u73af\u5883\u53c2\u6570\uff0c\u786e\u4fdd\u690d\u7269\u5065\u5eb7\u751f\u957f\u3002<\/p>\n\n\n\n

      \u3000\u3000\u57ce\u5e02\u90e8\u4ef6\u59ff\u6001\u7ba1\u7406\u7cfb\u7edf\u5229\u7528LoRa\u6280\u672f\u5bf9\u57ce\u5e02\u57fa\u7840\u8bbe\u65bd\u5982\u4e95\u76d6\u3001\u8def\u706f\u7b49\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7\uff0c\u9632\u6b62\u610f\u5916\u4e8b\u6545\u7684\u53d1\u751f\uff0c\u63d0\u9ad8\u57ce\u5e02\u7ba1\u7406\u7684\u667a\u80fd\u5316\u6c34\u5e73\u3002<\/p>\n\n\n\n

      \u3000\u3000LoRa\u6280\u672f\u5728\u667a\u80fd\u6392\u6c34\u76d1\u6d4b\u7cfb\u7edf\u4e2d\u5e94\u7528\u5e7f\u6cdb\uff0c\u901a\u8fc7\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc\u76d1\u6d4b\u57ce\u5e02\u6392\u6c34\u7cfb\u7edf\u7684\u8fd0\u884c\u72b6\u6001\uff0c\u53ca\u65f6\u53d1\u73b0\u548c\u5904\u7406\u79ef\u6c34\u95ee\u9898\uff0c\u4fdd\u969c\u57ce\u5e02\u6392\u6c34\u7cfb\u7edf\u7684\u9ad8\u6548\u8fd0\u884c\u3002<\/p>\n\n\n\n

      \u3000\u3000\u5728\u4f4e\u6d3c\u5730\u533a\uff0cLoRa\u6280\u672f\u53ef\u4ee5\u7528\u4e8e\u79ef\u6c34\u76d1\u6d4b\uff0c\u901a\u8fc7\u4f20\u611f\u5668\u5b9e\u65f6\u4f20\u8f93\u6570\u636e\u5230\u76d1\u63a7\u4e2d\u5fc3\uff0c\u53ca\u65f6\u91c7\u53d6\u6392\u6c34\u63aa\u65bd\uff0c\u907f\u514d\u6d2a\u6c34\u707e\u5bb3\u3002<\/p>\n\n\n\n

      \u3000\u30002. \u519c\u4e1a\u7269\u8054\u7f51\u4e2d\u7684\u5e94\u7528\u6848\u4f8b<\/h3>\n\n\n\n

      \u3000\u3000\u519c\u4e1a\u7269\u8054\u7f51\u76d1\u6d4b\u7cfb\u7edf\u5229\u7528LoRa\u6a21\u5757\u5efa\u7acb\u8fdc\u7a0b\u76d1\u6d4b\u7f51\u7edc\uff0c\u76d1\u6d4b\u571f\u58e4\u6e7f\u5ea6\u3001\u6e29\u5ea6\u3001\u5149\u7167\u7b49\u73af\u5883\u53c2\u6570\u3002\u8fd9\u4f7f\u5f97\u519c\u6c11\u53ef\u4ee5\u5b9e\u65f6\u4e86\u89e3\u519c\u7530\u72b6\u51b5\uff0c\u53ca\u65f6\u8c03\u6574\u79cd\u690d\u7b56\u7565\uff0c\u63d0\u9ad8\u519c\u4f5c\u7269\u4ea7\u91cf\u548c\u8d28\u91cf\u3002<\/p>\n\n\n\n

      \u3000\u3000LoRa\u6280\u672f\u5728\u519c\u4e1a\u4e2d\u4e3b\u8981\u7528\u4e8e\u76d1\u6d4b\u4f5c\u7269\u751f\u957f\u72b6\u51b5\uff0c\u901a\u8fc7\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc\u6536\u96c6\u6570\u636e\u5e76\u4f20\u8f93\u5230\u4e2d\u592e\u63a7\u5236\u7cfb\u7edf\uff0c\u5b9e\u73b0\u7cbe\u51c6\u519c\u4e1a\u7ba1\u7406\u3002<\/p>\n\n\n\n

      \u3000\u3000\u57fa\u4e8eSemtech LoRa\u5668\u4ef6\u548cLoRaWAN\u6807\u51c6\u7684\u667a\u80fd\u519c\u4e1a\u7528\u4f8b\u4f53\u73b0\u51fa\u91cd\u5927\u6539\u5584\uff0c\u4f8b\u5982\uff0c\u53ef\u4e3a\u5546\u4e1a\u519c\u573a\u8282\u6c3450%\u3002\u5f97\u76ca\u4e8eLoRa\u6280\u672f\u7684\u8fdc\u8ddd\u79bb\u4f4e\u529f\u8017\u65e0\u7ebf\u4f20\u8f93\u80fd\u529b\uff0c\u53ef\u4ee5\u4f7f\u7528\u4f4e\u6210\u672c\u4f20\u611f\u5668\u5c06\u6570\u636e\u4ece\u519c\u7530\u4f20\u8f93\u5230\u4e2d\u592e\u63a7\u5236\u7cfb\u7edf\u3002<\/p>\n\n\n\n

      \u3000\u3000LoRa\u667a\u6167\u519c\u4e1a\u5e94\u7528\u662f\u7269\u8054\u7f51\u5728\u519c\u4e1a\u751f\u4ea7\u3001\u7ecf\u8425\u3001\u7ba1\u7406\u548c\u670d\u52a1\u4e2d\u7684\u5177\u4f53\u5e94\u7528\u4e4b\u4e00\u3002\u7531LoRa\u548cLoRaWAN\u5f62\u6210\u7684\u667a\u6167\u519c\u4e1a\u7cfb\u7edf\u5c06\u81ea\u52a8\u4f18\u5316\u548c\u5e72\u9884\u519c\u4e1a\u751f\u4ea7\u8fc7\u7a0b\uff0c\u4ece\u800c\u63d0\u9ad8\u519c\u4ea7\u54c1\u8d28\u91cf\uff0c\u63d0\u5347\u519c\u4e1a\u751f\u4ea7\u7684\u6548\u7387\u548c\u7ade\u4e89\u529b\u3002<\/p>\n\n\n\n

      \u3000\u3000\u56db\u3001 LoRa\u6280\u672f\u7684\u6700\u65b0\u53d1\u5c55<\/h2>\n\n\n\n

      \u3000\u3000LoRa\u6280\u672f\u5728\u7269\u8054\u7f51\u9886\u57df\u7684\u53d1\u5c55\u548c\u672a\u6765\u8d8b\u52bf\u53ef\u4ee5\u4ece\u591a\u4e2a\u65b9\u9762\u8fdb\u884c\u5206\u6790\u3002<\/p>\n\n\n\n

      \u3000\u3000LoRa\u6280\u672f\u4ee5\u5176\u4f4e\u529f\u8017\u3001\u5e7f\u8986\u76d6\u7684\u7279\u6027\u5728\u7269\u8054\u7f51\u9886\u57df\u5360\u636e\u91cd\u8981\u5730\u4f4d\u3002\u8fd9\u79cd\u6280\u672f\u4f7f\u7528\u4e86\u4e00\u79cd\u4f4e\u529f\u8017\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u4f7f\u5f97\u8bbe\u5907\u53ef\u4ee5\u5728\u76f8\u5bf9\u8f83\u957f\u7684\u8ddd\u79bb\u4e0a\u8fdb\u884c\u901a\u4fe1\uff0c\u540c\u65f6\u8282\u7701\u80fd\u6e90\u3002\u8fd9\u4f7f\u5f97LoRa\u5728\u7269\u8054\u7f51\u5e94\u7528\u4e2d\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u524d\u666f\uff0c\u5c24\u5176\u662f\u5728\u667a\u6167\u57ce\u5e02\u3001\u5de5\u4e1a\u7269\u8054\u7f51\u7b49\u573a\u666f\u4e2d\u3002<\/p>\n\n\n\n

      \u3000\u3000LoRa\u6280\u672f\u7684\u6700\u65b0\u53d1\u5c55\u5305\u62ec\u5168\u7403\u90e8\u7f72\u7684\u6301\u7eed\u6269\u5f20\u3002\u622a\u81f32024\u5e74\uff0c\u5168\u7403\u5df2\u7ecf\u90e8\u7f72\u4e86220\u4e07\u4e2a\u7f51\u5173\u548c2.8\u4ebf\u4e2a\u7ec8\u7aef\u8282\u70b9\u3002\u8fd9\u79cd\u5927\u89c4\u6a21\u7684\u90e8\u7f72\u4e3aLoRa\u6280\u672f\u63d0\u4f9b\u4e86\u5e7f\u9614\u7684\u821e\u53f0\uff0c\u5e76\u4e14\u5728\u7535\u7f51\u3001\u6d88\u9632\u5b89\u9632\u3001\u667a\u6167\u5de5\u5382\u3001\u667a\u6167\u697c\u5b87\u3001\u667a\u6167\u519c\u4e1a\u7b49\u5782\u76f4\u5e02\u573a\u4e2d\u5448\u73b0\u51fa\u500d\u901f\u589e\u957f\u7684\u8d8b\u52bf\u3002<\/p>\n\n\n\n

      \u3000\u3000\u6b64\u5916\uff0cLoRa\u6280\u672f\u5728\u672a\u6765\u7684\u53d1\u5c55\u4e2d\u5c06\u4e0d\u65ad\u8fdb\u884c\u521b\u65b0\uff0c\u4ee5\u6ee1\u8db3\u7269\u8054\u7f51\u5e94\u7528\u5bf9\u4f4e\u529f\u8017\u3001\u8fdc\u8ddd\u79bb\u3001\u9ad8\u53ef\u9760\u6027\u7b49\u65b9\u9762\u7684\u9700\u6c42\u3002\u672a\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u671f\u5f85LoRa\u5728\u4f20\u8f93\u901f\u7387\u3001\u6297\u5e72\u6270\u80fd\u529b\u3001\u7f51\u7edc\u5bb9\u91cf\u7b49\u65b9\u9762\u53d6\u5f97\u663e\u8457\u7a81\u7834\u3002\u968f\u7740\u7269\u8054\u7f51\u6280\u672f\u7684\u53d1\u5c55\uff0cLoRa\u6a21\u5757\u5c06\u4f1a\u5f97\u5230\u66f4\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5e02\u573a\u9700\u6c42\u4ecd\u5904\u4e8e\u589e\u957f\u8d8b\u52bf\u3002<\/p>\n\n\n\n

      \u3000\u3000LoRa\u4ea7\u4e1a\u751f\u6001\u5708\u5c06\u4f1a\u5411\u7740\u591a\u5143\u5316\u3001\u5bbd\u9886\u57df\u7684\u65b9\u5411\u53d1\u5c55\u3002\u8fd9\u610f\u5473\u7740LoRa\u6280\u672f\u4e0d\u4ec5\u4f1a\u5728\u4f20\u7edf\u7684\u6570\u636e\u4f20\u8f93\u548c\u5e94\u7528\u573a\u666f\u4e2d\u7ee7\u7eed\u53d1\u6325\u91cd\u8981\u4f5c\u7528\uff0c\u8fd8\u4f1a\u5728\u65b0\u7684\u5e94\u7528\u573a\u666f\u4e2d\u627e\u5230\u66f4\u591a\u7684\u673a\u4f1a\u3002\u4f8b\u5982\uff0cLoRa\u6280\u672f\u53ef\u4ee5\u901a\u8fc7\u7ec4\u7f51\u534f\u8bae\u548c\u53c2\u8003\u8bbe\u8ba1\u5e2e\u52a9\u5ba2\u6237\u52a0\u5feb\u7f51\u7edc\u90e8\u7f72\u3002<\/p>\n\n\n\n

      \u3000\u3000LoRa\u6280\u672f\u7684\u6700\u65b0\u53d1\u5c55\u548c\u672a\u6765\u8d8b\u52bf\u4e3b\u8981\u4f53\u73b0\u5728\u5176\u5728\u5168\u7403\u8303\u56f4\u5185\u7684\u5927\u89c4\u6a21\u90e8\u7f72\u3001\u6280\u672f\u521b\u65b0\u4ee5\u53ca\u5728\u591a\u4e2a\u5782\u76f4\u5e02\u573a\u7684\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n

      \u3000\u3000\u4e94\u3001 LoRa\u6280\u672f\u5728\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u63a5\u6536\u7075\u654f\u5ea6?<\/h2>\n\n\n\n

      \u3000\u3000\u8bc4\u4f30LoRa\u6280\u672f\u5728\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u63a5\u6536\u7075\u654f\u5ea6\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n\n\n\n

      \u3000\u30001. \u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a<\/h3>\n\n\n\n
        \n
      • \u3000\u3000\u6269\u9891\u6280\u672f<\/strong>\uff1aLoRa\u6280\u672f\u901a\u8fc7\u9891\u8c31\u6269\u5c55\u6280\u672f\u6765\u589e\u5f3a\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u8fd9\u79cd\u6280\u672f\u53ef\u4ee5\u4f7f\u4fe1\u53f7\u5728\u9891\u57df\u4e0a\u5c55\u5f00\uff0c\u964d\u4f4e\u4fe1\u53f7\u53d7\u5230\u5e72\u6270\u7684\u6982\u7387\uff0c\u63d0\u9ad8\u901a\u4fe1\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u524d\u5411\u7ea0\u9519\u7f16\u7801<\/strong>\uff1aLoRa\u4f7f\u7528\u524d\u5411\u7ea0\u9519\u7f16\u7801(FEC)\u6280\u672f\uff0c\u5373\u4f7f\u5728\u5b58\u5728\u8f83\u591a\u5e72\u6270\u6e90\u7684\u73af\u5883\u4e0b\uff0c\u4e5f\u80fd\u4fdd\u6301\u901a\u4fe1\u7684\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u6781\u9650\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1aLoRa\u5177\u6709\u4f4e\u4e8e\u566a\u58f020dB\u4f9d\u7136\u53ef\u4ee5\u901a\u4fe1\u7684\u6781\u9650\u6297\u5e72\u6270\u6280\u672f\uff0c\u8fd9\u662f\u73b0\u6709\u4f20\u7edf\u901a\u4fe1\u6280\u672f\u90fd\u4e0d\u5177\u5907\u7684\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u7efc\u5408\u5e94\u7528<\/strong>\uff1a\u901a\u8fc7\u91c7\u7528\u9891\u8c31\u6269\u9891\u6280\u672f\u3001\u9009\u62e9\u5408\u9002\u7684\u6269\u9891\u56e0\u5b50\u3001\u4f18\u5316\u4fe1\u9053\u9009\u62e9\u548c\u9891\u7387\u89c4\u5212\u3001\u4f7f\u7528\u524d\u5411\u7ea0\u9519\u7f16\u7801\u4ee5\u53ca\u5b9e\u73b0\u81ea\u9002\u5e94\u901f\u7387\uff0cLoRa\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u901a\u4fe1\u8d28\u91cf\uff0c\u786e\u4fdd\u6570\u636e\u7684\u53ef\u9760\u4f20\u8f93\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u30002. \u63a5\u6536\u7075\u654f\u5ea6<\/strong>\uff1a<\/h3>\n\n\n\n
          \n
        • \u3000\u3000\u63a5\u6536\u7075\u654f\u5ea6\u503c<\/strong>\uff1aLoRa\u7684\u63a5\u6536\u7075\u654f\u5ea6\u975e\u5e38\u9ad8\uff0c\u8fbe\u5230\u4e86\u60ca\u4eba\u7684-148dBm\uff0c\u4e0e\u4e1a\u754c\u5176\u4ed6\u5148\u8fdb\u6c34\u5e73\u7684sub-GHz\u82af\u7247\u76f8\u6bd4\uff0c\u6700\u9ad8\u7684\u63a5\u6536\u7075\u654f\u5ea6\u6539\u5584\u4e8620dB\u4ee5\u4e0a\u3002\u6b64\u5916\uff0cLoRa\u7684\u63a5\u6536\u7075\u654f\u5ea6\u5728\u76ee\u524d\u6c11\u7528\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u4e2d\u6392\u7b2c\u4e00\uff0c\u4ee5\u5e38\u7528\u7684125kHz\/SF12\u4e3a\u4f8b\uff0c\u5b83\u53ef\u4ee5\u8fbe\u5230-142.5dBm\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u6269\u9891\u6280\u672f\u7684\u5904\u7406\u589e\u76ca<\/strong>\uff1aLoRa\u7684\u4e3b\u8981\u4f18\u52bf\u5728\u4e8e\u63a5\u6536\u7075\u654f\u5ea6\u7684\u663e\u8457\u63d0\u9ad8\uff0c\u8fd9\u662f\u7531\u6269\u9891\u6280\u672f\u7684\u5904\u7406\u589e\u76ca\u6240\u51b3\u5b9a\u7684\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u63a5\u6536\u7075\u654f\u5ea6\u7684\u5b9a\u4e49<\/strong>\uff1a\u63a5\u6536\u7075\u654f\u5ea6\u503c\u8d8a\u4f4e\u8d8a\u597d\uff0c\u6bd4\u5982-120dBm\u548c-145dBm\uff0c-145dBm\u503c\u66f4\u5c0f\uff0c\u6211\u4eec\u8bf4\u63a5\u6536\u7075\u654f\u5ea6\u66f4\u597d\u3002<\/li>\n\n\n\n
        • \u3000\u3000LoRa\u6280\u672f\u5728\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u63a5\u6536\u7075\u654f\u5ea6\u90fd\u975e\u5e38\u51fa\u8272\u3002\u5176\u6297\u5e72\u6270\u80fd\u529b\u4e3b\u8981\u4f9d\u8d56\u4e8e\u6269\u9891\u6280\u672f\u548c\u524d\u5411\u7ea0\u9519\u7f16\u7801\uff0c\u800c\u5176\u63a5\u6536\u7075\u654f\u5ea6\u5219\u5f97\u76ca\u4e8e\u6269\u9891\u6280\u672f\u7684\u5904\u7406\u589e\u76ca\u548c\u6781\u4f4e\u7684\u63a5\u6536\u7075\u654f\u5ea6\u503c\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

          LoRa(Long Range Radio)\u662f\u4e00\u79cd\u7531\u7f8e\u56fdSemtech\u516c\u53f8\u5f00\u53d1\u7684\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u3002\u5176\u540d\u79f0\u201cLoRa\u201d\u610f\u4e3a\u8fdc\u8ddd\u79bb\u65e0\u7ebf\u7535\uff0c\u5b83\u57fa\u4e8e\u6269\u9891\u6280\u672f\uff0c\u80fd\u591f\u5728\u4f4e\u529f\u8017\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u957f\u8ddd\u79bb\u7684\u65e0\u7ebf\u4f20\u8f93\u3002<\/p>\n","protected":false},"author":1,"featured_media":90191,"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],"class_list":["post-98241","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98241"}],"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=98241"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98241\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/90191"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=98241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=98241"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=98241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}