{"id":97598,"date":"2024-09-10T17:08:26","date_gmt":"2024-09-10T09:08:26","guid":{"rendered":"\/\/www.viralrail.com\/?p=97598"},"modified":"2024-09-10T17:08:30","modified_gmt":"2024-09-10T09:08:30","slug":"lwgsxxxdb","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/97598.html","title":{"rendered":"LORA\u7f51\u5173\u4e0a\u4e0b\u884c\u4fe1\u9053\u6bd4"},"content":{"rendered":"\n<p>\u3000\u3000\u5728LoRaWAN\u7f51\u7edc\u4e2d\uff0c\u4e0a\u884c\u4fe1\u9053\u548c\u4e0b\u884c\u4fe1\u9053\u7684\u914d\u7f6e\u548c\u6bd4\u7387\u662f\u6839\u636e\u5177\u4f53\u7684\u7f51\u7edc\u9700\u6c42\u548c\u5e94\u7528\u573a\u666f\u6765\u786e\u5b9a\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5173\u4e8eLoRa\u7f51\u5173\u4e0a\u4e0b\u884c\u4fe1\u9053\u6bd4\u7684\u5173\u952e\u70b9\uff1a<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u7f51\u5173\u4e0a\u4e0b\u884c\u4fe1\u9053\u4ecb\u7ecd<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u4e0a\u884c\u4fe1\u9053(Uplink Channels)<\/h3>\n\n\n\n<p>\u3000\u3000\u4e0a\u884c\u4fe1\u9053\u662f\u6307\u7ec8\u7aef\u8bbe\u5907\u5411\u7f51\u5173\u53d1\u9001\u6570\u636e\u7684\u4fe1\u9053\u3002\u5728LoRaWAN\u4e2d\uff0c\u4e0a\u884c\u4fe1\u9053\u901a\u5e38\u662f\u975e\u5bf9\u79f0\u7684\uff0c\u5373\u4e0a\u884c\u4fe1\u9053\u7684\u6570\u91cf\u548c\u4f7f\u7528\u9891\u7387\u901a\u5e38\u9ad8\u4e8e\u4e0b\u884c\u4fe1\u9053\u3002\u8fd9\u662f\u56e0\u4e3a\u7ec8\u7aef\u8bbe\u5907\u901a\u5e38\u9700\u8981\u9891\u7e41\u5730\u53d1\u9001\u4f20\u611f\u6570\u636e\u5230\u7f51\u5173\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u4e0b\u884c\u4fe1\u9053(Downlink Channels)<\/h3>\n\n\n\n<p>\u3000\u3000\u4e0b\u884c\u4fe1\u9053\u662f\u6307\u7f51\u5173\u5411\u7ec8\u7aef\u8bbe\u5907\u53d1\u9001\u6570\u636e\u7684\u4fe1\u9053\u3002\u4e0b\u884c\u4fe1\u9053\u4e3b\u8981\u7528\u4e8e\u7f51\u5173\u53d1\u9001\u786e\u8ba4\u6d88\u606f\u3001\u63a7\u5236\u547d\u4ee4\u6216\u914d\u7f6e\u66f4\u65b0\u5230\u7ec8\u7aef\u8bbe\u5907\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. \u4fe1\u9053\u6bd4<\/h3>\n\n\n\n<p>\u3000\u3000LoRaWAN\u534f\u8bae\u901a\u5e38\u914d\u7f6e\u591a\u4e2a\u4e0a\u884c\u4fe1\u9053\u548c\u8f83\u5c11\u7684\u4e0b\u884c\u4fe1\u9053\u3002\u5178\u578b\u7684\u4fe1\u9053\u914d\u7f6e\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4e0a\u884c\u4fe1\u9053<\/strong>\uff1a\u5728\u6b27\u6d32\u7684863-870 MHz\u9891\u6bb5(EU868)\u6216\u7f8e\u56fd\u7684902-928 MHz\u9891\u6bb5(US915)\uff0c\u901a\u5e38\u914d\u7f6e\u67098\u4e2a\u6216\u66f4\u591a\u7684\u4e0a\u884c\u4fe1\u9053\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4e0b\u884c\u4fe1\u9053<\/strong>\uff1a\u901a\u5e38\u914d\u7f6e\u67091\u52302\u4e2a\u4e3b\u8981\u4e0b\u884c\u4fe1\u9053\uff0c\u53e6\u5916\u8fd8\u53ef\u80fd\u6709\u4e00\u4e9b\u5907\u7528\u7684\u4e0b\u884c\u4fe1\u9053\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004. \u6bd4\u7387\u793a\u4f8b<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u5178\u578b\u7684LoRaWAN\u7f51\u7edc\u914d\u7f6e\u4e2d\uff0c\u4e0a\u884c\u4fe1\u9053\u548c\u4e0b\u884c\u4fe1\u9053\u7684\u6bd4\u7387\u53ef\u80fd\u662f8:1\u62168:2.\u8fd9\u79cd\u914d\u7f6e\u786e\u4fdd\u4e86\u7ec8\u7aef\u8bbe\u5907\u80fd\u591f\u9891\u7e41\u5730\u4e0a\u4f20\u6570\u636e\uff0c\u540c\u65f6\u7f51\u5173\u4e5f\u80fd\u6709\u6548\u5730\u53d1\u9001\u5fc5\u8981\u7684\u4e0b\u884c\u6d88\u606f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005. \u52a8\u6001\u8c03\u6574<\/h3>\n\n\n\n<p>\u3000\u3000\u4e00\u4e9bLoRaWAN\u7f51\u7edc\u53ef\u80fd\u4f1a\u6839\u636e\u5b9e\u9645\u7684\u7f51\u7edc\u8d1f\u8f7d\u548c\u9700\u6c42\u52a8\u6001\u8c03\u6574\u4e0a\u884c\u548c\u4e0b\u884c\u4fe1\u9053\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u4ee5\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30006. \u5177\u4f53\u914d\u7f6e<\/h3>\n\n\n\n<p>\u3000\u3000\u5177\u4f53\u7684\u4e0a\u4e0b\u884c\u4fe1\u9053\u914d\u7f6e\u548c\u6bd4\u7387\u53ef\u80fd\u56e0\u533a\u57df\u6cd5\u89c4\u3001\u5e94\u7528\u9700\u6c42\u548c\u7f51\u7edc\u8fd0\u8425\u5546\u7684\u7b56\u7565\u800c\u6709\u6240\u4e0d\u540c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u4f53\u7684\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>EU868\u9891\u6bb5<\/strong>\uff1a\u901a\u5e38\u67098\u4e2a\u4e0a\u884c\u4fe1\u9053\u548c1\u4e2a\u4e3b\u8981\u4e0b\u884c\u4fe1\u9053\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>US915\u9891\u6bb5<\/strong>\uff1a\u901a\u5e38\u670964\u4e2a\u4e0a\u884c\u4fe1\u9053\u548c8\u4e2a\u4e3b\u8981\u4e0b\u884c\u4fe1\u9053\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30007. \u603b\u7ed3<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u7f51\u5173\u7684\u4e0a\u4e0b\u884c\u4fe1\u9053\u6bd4\u901a\u5e38\u662f\u975e\u5bf9\u79f0\u7684\uff0c\u4e0a\u884c\u4fe1\u9053\u6570\u91cf\u591a\u4e8e\u4e0b\u884c\u4fe1\u9053\uff0c\u4ee5\u9002\u5e94\u7ec8\u7aef\u8bbe\u5907\u9891\u7e41\u4e0a\u4f20\u6570\u636e\u7684\u9700\u6c42\u3002\u5177\u4f53\u7684\u4fe1\u9053\u914d\u7f6e\u548c\u6bd4\u7387\u4f1a\u6839\u636e\u533a\u57df\u6cd5\u89c4\u548c\u5e94\u7528\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u7f51\u5173\u5728\u4e0d\u540c\u56fd\u5bb6\u6216\u5730\u533a\u7684\u4e0a\u4e0b\u884c\u4fe1\u9053\u6bd4\u914d\u7f6e\u6709\u4f55\u5dee\u5f02?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u7f51\u5173\u5728\u4e0d\u540c\u56fd\u5bb6\u6216\u5730\u533a\u7684\u4e0a\u4e0b\u884c\u4fe1\u9053\u6bd4\u914d\u7f6e\u5b58\u5728\u663e\u8457\u5dee\u5f02\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u9891\u6bb5\u3001\u4fe1\u9053\u5e26\u5bbd\u548c\u6570\u636e\u901f\u7387\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u65e5\u672c\uff0cLoRaWAN\u8fd0\u884c\u5728920-923 MHz\u7684\u9891\u6bb5\u5185\u3002\u6839\u636e\u4e0d\u540c\u7684\u533a\u57df\u6216\u9891\u7387\u8ba1\u5212\uff0cLoRaWAN\u53ef\u4ee5\u4f7f\u7528125 kHz\u3001250 kHz\u6216500 kHz\u7684\u5e26\u5bbd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b27\u6d32\u5b9a\u4e49\u4e86\u5341\u4e2a\u4fe1\u9053\uff0c\u5176\u4e2d\u516b\u4e2a\u662f125 kHz\u7684LoRa\u4fe1\u9053\uff0c\u8fd9\u4e9b\u4fe1\u9053\u7684\u6570\u636e\u901f\u7387\u53d6\u51b3\u4e8e\u6240\u4f7f\u7528\u7684\u6269\u9891\u56e0\u5b50\uff0c\u8303\u56f4\u4ece250 bps\u52305.5 kbps\u4e0d\u7b49\u3002\u6b64\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u9ad8\u6570\u636e\u901f\u7387\u7684250 kHz LoRa\u4fe1\u9053(11 kbps)\u548c\u4e00\u4e2aFSK\u4fe1\u9053(50 kbps)\u3002\u5728\u6b27\u6d32\uff0c\u6700\u5927\u4e0a\u884c\u94fe\u8def\u4f20\u8f93\u529f\u7387\u4e3a25 mW\uff0c\u6700\u5927\u4e0b\u884c\u94fe\u8def\u4f20\u8f93\u529f\u7387\u4e3a500 mW\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7f8e\u56fd\u7684LoRa\u9891\u6bb5\u88ab\u5212\u5206\u4e3a\u516b\u4e2a\u5b50\u9891\u6bb5\uff0c\u6bcf\u4e2a\u5b50\u9891\u6bb5\u5305\u542b\u516b\u4e2a125 kHz\u7684\u4e0a\u884c\u94fe\u8def\u4fe1\u9053\u3001\u4e00\u4e2a500 kHz\u7684\u4e0a\u884c\u94fe\u8def\u4fe1\u9053\u548c\u4e00\u4e2a500 kHz\u7684\u4e0b\u884c\u94fe\u8def\u4fe1\u9053\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e2d\u56fd\u7684LoRa\u9891\u6bb5\u4e3a470-510 MHz\uff0c\u5e76\u4e14\u91c7\u7528\u9891\u7387\u8df3\u8dc3\u6a21\u5f0f\u8fdb\u884c\u4fe1\u6807\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0d\u540c\u56fd\u5bb6\u548c\u5730\u533a\u53ef\u80fd\u4f1a\u6709\u4e0d\u540c\u7684\u9891\u6bb5\u53c2\u6570\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0cEU868\u548cAS430\u5206\u522b\u4ee3\u8868\u6b27\u76df\u548c\u4e9a\u6d32\u7279\u5b9a\u5730\u533a\u7684\u9891\u6bb5\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u7f51\u5173\u5728\u4e0d\u540c\u56fd\u5bb6\u6216\u5730\u533a\u7684\u4e0a\u4e0b\u884c\u4fe1\u9053\u6bd4\u914d\u7f6e\u5dee\u5f02\u4e3b\u8981\u4f53\u73b0\u5728\u6240\u4f7f\u7528\u7684\u9891\u6bb5\u3001\u4fe1\u9053\u5e26\u5bbd\u4ee5\u53ca\u6570\u636e\u901f\u7387\u4e0a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5982\u4f55\u6839\u636eLoRa\u7f51\u5173\u7684\u5177\u4f53\u578b\u53f7\u548c\u82af\u7247\u7c7b\u578b\u786e\u5b9a\u5176\u4e0a\u4e0b\u884c\u4fe1\u9053\u6bd4?<\/h2>\n\n\n\n<p>\u3000\u3000\u6839\u636e\u641c\u7d22\u7ed3\u679c\uff0c\u786e\u5b9aLoRa\u7f51\u5173\u7684\u4e0a\u4e0b\u884c\u4fe1\u9053\u6bd4\u4e3b\u8981\u4f9d\u636e\u5176\u4f7f\u7528\u7684\u82af\u7247\u7c7b\u578b\u3002\u4e2d\u63d0\u5230\uff0c\u5982\u679cLoRa\u7f51\u5173\u91c7\u7528Semtech\u6807\u51c6\u53c2\u8003\u8bbe\u8ba1\uff0c\u4e14\u4f7f\u7528SX1301\u82af\u7247\uff0c\u90a3\u4e48\u5176\u4fe1\u9053\u6570\u662f\u56fa\u5b9a\u76848\u4e2a\u4e0a\u884c\u4fe1\u9053\u548c1\u4e2a\u4e0b\u884c\u4fe1\u9053\u3002\u8fd9\u8868\u660e\uff0c\u5bf9\u4e8e\u91c7\u7528SX1301\u82af\u7247\u7684LoRa\u7f51\u5173\uff0c\u5176\u4e0a\u4e0b\u884c\u4fe1\u9053\u6bd4\u4e3a8:1.<\/p>\n\n\n\n<p>\u3000\u3000\u7136\u800c\uff0c\u4e2d\u63d0\u5230\u7684SX1308\u82af\u7247\u5177\u6709\u9ad8\u6548\u7684\u7535\u6e90\u7ba1\u7406\u548c\u591a\u4fe1\u9053\u652f\u6301\u80fd\u529b\uff0c\u4f46\u5e76\u672a\u5177\u4f53\u8bf4\u660e\u5176\u4e0a\u4e0b\u884c\u4fe1\u9053\u6bd4\u3002\u4e2d\u63d0\u5230\u7684\u57fa\u4e8eSX1302\u7684LoRaWAN\u7f51\u5173\u652f\u63018\u901a\u9053\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ef\u80fd\u5177\u6709\u66f4\u591a\u7684\u4e0a\u884c\u548c\u4e0b\u884c\u4fe1\u9053\uff0c\u4f46\u5177\u4f53\u6bd4\u4f8b\u672a\u5728\u8bc1\u636e\u4e2d\u7ed9\u51fa\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8981\u786e\u5b9aLoRa\u7f51\u5173\u7684\u4e0a\u4e0b\u884c\u4fe1\u9053\u6bd4\uff0c\u9700\u8981\u67e5\u770b\u5176\u4f7f\u7528\u7684\u82af\u7247\u7c7b\u578b\u3002\u5bf9\u4e8e\u4f7f\u7528SX1301\u82af\u7247\u7684LoRa\u7f51\u5173\uff0c\u5176\u4e0a\u4e0b\u884c\u4fe1\u9053\u6bd4\u4e3a8:1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRa\u900f\u4f20\u7f51\u5173\u7684\u591a\u4fe1\u9053\u6280\u672f\u662f\u5982\u4f55\u5de5\u4f5c\u7684<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u900f\u4f20\u7f51\u5173\u7684\u591a\u4fe1\u9053\u6280\u672f\u4e3b\u8981\u901a\u8fc7\u5176\u5168\u53cc\u5de5\u8bbe\u8ba1\u5b9e\u73b0\u3002\u6839\u636e\uff0c\u8be5\u8bbe\u5907\u652f\u6301\u591a\u4fe1\u9053\u4e0a\u4e0b\u884c\u65e0\u7ebf\u4f20\u8f93\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ef\u4ee5\u5728\u591a\u4e2a\u9891\u7387\u4fe1\u9053\u4e0a\u540c\u65f6\u8fdb\u884c\u4e0a\u884c\u548c\u4e0b\u884c\u901a\u4fe1\uff0c\u4ece\u800c\u63d0\u5347\u65e0\u7ebf\u6027\u80fd\u3002\u8fd9\u79cd\u591a\u4fe1\u9053\u6280\u672f\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff0c\u5f53\u4e00\u4e2a\u4fe1\u9053\u7528\u4e8e\u4e0b\u884c\u901a\u4fe1\u65f6\uff0c\u53e6\u4e00\u4e2a\u6216\u591a\u4e2a\u4fe1\u9053\u53ef\u4ee5\u7528\u4e8e\u4e0a\u884c\u901a\u4fe1\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u8fd9\u6837\uff0c\u5373\u4f7f\u5728\u67d0\u4e9b\u4fe1\u9053\u4e0a\u5b58\u5728\u5e72\u6270\u6216\u62e5\u585e\uff0c\u7cfb\u7edf\u4e5f\u53ef\u4ee5\u5207\u6362\u5230\u5176\u4ed6\u53ef\u7528\u7684\u4fe1\u9053\uff0c\u786e\u4fdd\u901a\u4fe1\u7684\u8fde\u7eed\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5bf9\u4e8e\u4e0a\u4e0b\u884c\u4fe1\u9053\u6bd4\u7684\u5f71\u54cd\uff0c\u63d0\u4f9b\u4e86\u5168\u53cc\u5de5\u7f51\u5173\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u52bf\u3002\u5728\u5168\u53cc\u5de5\u7f51\u5173\u4e2d\uff0c\u5982sx130x\u8d1f\u8d238\u8def\u4e0a\u884c\uff0c\u800csx126x\u8d1f\u8d231\u8def\u4e0b\u884c\u3002\u8fd9\u8868\u660e\uff0c\u5728\u67d0\u4e9b\u5e94\u7528\u573a\u666f\u4e0b\uff0c\u5982\u9891\u7e41\u5730\u5f00\u9501\u548c\u9600\u63a7\u7b49\uff0c\u4e0b\u884c\u901a\u4fe1\u9700\u6c42\u8f83\u9ad8\u65f6\uff0c\u5168\u53cc\u5de5\u7f51\u5173\u80fd\u591f\u66f4\u6709\u6548\u5730\u5229\u7528\u4fe1\u9053\u8d44\u6e90\uff0c\u56e0\u4e3a\u5f53\u4e0b\u884c\u4fe1\u9053\u5fd9\u65f6\uff0c\u4e0a\u884c\u4fe1\u9053\u4ecd\u7136\u53ef\u4ee5\u88ab\u5229\u7528\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4fe1\u9053\u7684\u4f7f\u7528\u6548\u7387\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u8bbe\u8ba1\u4e5f\u610f\u5473\u7740\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\uff0c\u4e0a\u4e0b\u884c\u4fe1\u9053\u6bd4\u53ef\u80fd\u53d7\u5230\u9650\u5236\uff0c\u4f8b\u5982\u5f53\u6240\u6709\u4e0b\u884c\u4fe1\u9053\u90fd\u88ab\u5360\u7528\u65f6\uff0c\u4e0a\u884c\u901a\u4fe1\u53ef\u80fd\u4f1a\u53d7\u5230\u5f71\u54cd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 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