{"id":99101,"date":"2024-11-12T16:04:23","date_gmt":"2024-11-12T08:04:23","guid":{"rendered":"\/\/www.viralrail.com\/?p=99101"},"modified":"2024-11-12T16:04:27","modified_gmt":"2024-11-12T08:04:27","slug":"ldpdhdkjs","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99101.html","title":{"rendered":"LoRa\u7684\u9891\u6bb5\u548c\u5e26\u5bbd\u4ecb\u7ecd"},"content":{"rendered":"\n
\u3000\u3000LoRa\u6280\u672f<\/a><\/strong>\u662f\u4e00\u79cd\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN<\/a>)\u6280\u672f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51\u9886\u57df\u3002LoRa\u8bbe\u5907\u4e3b\u8981\u5728\u975e\u6388\u6743\u7684ISM\u9891\u6bb5\u4e0a\u8fd0\u884c\uff0c\u8fd9\u4e9b\u9891\u6bb5\u5728\u5168\u7403\u8303\u56f4\u5185\u662f\u514d\u8d39\u53ef\u7528\u7684\u3002LoRa\u652f\u6301\u7684\u9891\u6bb5\u5305\u62ec\uff1a<\/p>\n\n\n\n \u3000\u3000LoRa\u7684\u4fe1\u9053\u5e26\u5bbd\u53ef\u914d\u7f6e\u8303\u56f4\u4ece7.8 kHz\u5230500 kHz\uff0c\u5e38\u89c1\u7684\u5e26\u5bbd\u9009\u9879\u5305\u62ec125 kHz\u3001250 kHz\u548c500 kHz\u3002\u8fd9\u4e9b\u5e26\u5bbd\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u6cd5\u89c4\u8981\u6c42\u3002\u4f8b\u5982\uff0c\u5728\u6b27\u6d32\uff0cEU868\u9891\u6bb5\u901a\u5e38\u4f7f\u7528125 kHz\u7684\u5e26\u5bbd\u3002<\/p>\n\n\n\n \u3000\u3000LoRa\u6280\u672f\u5728\u5168\u7403\u8303\u56f4\u5185\u4f7f\u7528\u4e0d\u540c\u7684\u9891\u6bb5\u548c\u5e26\u5bbd\uff0c\u4ee5\u9002\u5e94\u5404\u5730\u7684\u6cd5\u89c4\u548c\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n \u3000\u3000LoRa\u6280\u672f\u5728\u4e0d\u540c\u56fd\u5bb6\/\u5730\u533a\u7684\u9891\u6bb5\u5206\u914d\u548c\u4f7f\u7528\u89c4\u5b9a\u5982\u4e0b\uff1a<\/p>\n\n\n\n \u3000\u3000\u4e3b\u8981\u4f7f\u7528863-870 MHz\u9891\u6bb5\uff0c\u90e8\u5206\u56fd\u5bb6\u8fd8\u4f7f\u7528433 MHz\u9891\u6bb5\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u6b27\u6d32\uff0cLoRa\u8bbe\u5907\u88ab\u89c6\u4e3a\u901a\u7528\u4f4e\u529f\u8017\u8bbe\u5907\uff0c\u53d7\u5230ERC 70-03\u6cd5\u89c4\u7684\u7ea6\u675f\uff0c\u5982\u679c\u672a\u4f7f\u7528\u201c\u542c\u524d\u8bf4\u201d\u6280\u672f\uff0c\u5219\u5fc5\u987b\u9075\u5b880.1%\u81f31%\u7684\u5de5\u4f5c\u5faa\u73af\u9650\u5236\u3002<\/p>\n\n\n\n \u3000\u3000\u4f7f\u7528902-928 MHz\u9891\u6bb5\uff0c\u8be5\u9891\u6bb5\u88ab\u5206\u4e3a\u4e13\u95e8\u7684\u4e0a\u884c\u94fe\u8def\u548c\u4e0b\u884c\u94fe\u8def\u4fe1\u9053\u3002<\/p>\n\n\n\n \u3000\u3000\u7f8e\u56fd\u7684LoRa\u9891\u6bb5\u67098\u4e2a\u5b50\u9891\u6bb5\uff0c\u6bcf\u4e2a\u5b50\u9891\u6bb5\u5305\u542b8×125 kHz\u4e0a\u884c\u94fe\u8def\u4fe1\u9053\u30011×500 kHz\u4e0a\u884c\u94fe\u8def\u4fe1\u9053\u548c1×500 kHz\u4e0b\u884c\u94fe\u8def\u4fe1\u9053\u3002<\/p>\n\n\n\n \u3000\u3000\u4f7f\u7528779-787 MHz\u548c470-510 MHz\u9891\u6bb5\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u4e2d\u56fd\uff0cLoRa\u6280\u672f\u5728410-441 MHz\u9891\u6bb5\u5185\u5b9a\u4e49\u4e86\u7ea632\u4e2a\u4fe1\u9053\u3002<\/p>\n\n\n\n \u3000\u3000\u4f7f\u7528915-928 MHz\u9891\u6bb5\u3002<\/p>\n\n\n\n \u3000\u3000\u4f7f\u7528920-923 MHz\u9891\u6bb5\uff0c\u4fe1\u9053\u5e26\u5bbd\u9009\u9879\u4e3a125 kHz\u3001250 kHz\u6216500 kHz\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u6cf0\u56fd\uff0cLoRa\u53ef\u7528\u7684\u9891\u6bb5\u4e3a433 MHz\u548c915 MHz\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u5370\u5ea6\uff0cLoRa\u7684\u8fd0\u8425\u9891\u7387\u4e3a865 MHz\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u897f\u90e8\u4e9a\u6d32\uff0c\u4f7f\u7528433 MHz\u9891\u6bb5\u3002<\/p>\n\n\n\n \u3000\u3000LoRa\u6280\u672f\u7684\u4fe1\u9053\u5e26\u5bbd\u914d\u7f6e\u5bf9\u7269\u8054\u7f51\u5e94\u7528\u6027\u80fd\u6709\u663e\u8457\u5f71\u54cd\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u6570\u636e\u901f\u7387\u3001\u4f20\u8f93\u8303\u56f4\u3001\u6297\u5e72\u6270\u80fd\u529b\u548c\u80fd\u8017\u6548\u7387\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n \u3000\u3000\u5e26\u5bbd\u662fLoRa\u6280\u672f\u4e2d\u4e00\u4e2a\u5173\u952e\u7684\u914d\u7f6e\u53c2\u6570\uff0c\u76f4\u63a5\u5f71\u54cd\u6570\u636e\u901f\u7387\u548c\u4f20\u8f93\u8303\u56f4\u3002\u8f83\u5bbd\u7684\u5e26\u5bbd(\u5982500 kHz)\u53ef\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u6570\u636e\u901f\u7387\uff0c\u4f46\u4f1a\u727a\u7272\u4f20\u8f93\u8303\u56f4\u3002\u76f8\u53cd\uff0c\u8f83\u7a84\u7684\u5e26\u5bbd(\u5982125 kHz)\u867d\u7136\u6570\u636e\u901f\u7387\u8f83\u4f4e\uff0c\u4f46\u80fd\u591f\u6269\u5c55\u4f20\u8f93\u8303\u56f4\u3002\u8fd9\u79cd\u6743\u8861\u5173\u7cfb\u4f7f\u5f97\u5728\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u4e2d\u9700\u8981\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u5e26\u5bbd\u914d\u7f6e\u3002<\/p>\n\n\n\n \u3000\u3000\u5e26\u5bbd\u7684\u9009\u62e9\u4e5f\u5f71\u54cdLoRa\u7cfb\u7edf\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u8f83\u5bbd\u7684\u5e26\u5bbd\u80fd\u591f\u66f4\u597d\u5730\u62b5\u6297\u7a84\u5e26\u5e72\u6270\uff0c\u56e0\u4e3a\u4fe1\u53f7\u5728\u66f4\u5e7f\u6cdb\u7684\u9891\u7387\u8303\u56f4\u5185\u4f20\u64ad\uff0c\u51cf\u5c11\u4e86\u5e72\u6270\u7684\u5f71\u54cd\u3002\u7136\u800c\uff0c\u8f83\u7a84\u7684\u5e26\u5bbd\u540c\u6837\u5177\u6709\u5176\u4f18\u52bf\uff0c\u4f8b\u5982\u5728\u67d0\u4e9b\u7279\u5b9a\u573a\u666f\u4e0b\uff0c\u8f83\u7a84\u7684\u5e26\u5bbd\u53ef\u4ee5\u63d0\u9ad8\u5bf9\u7a84\u5e26\u5e72\u6270\u7684\u6297\u6027\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u80fd\u8017\u65b9\u9762\uff0c\u5e26\u5bbd\u914d\u7f6e\u540c\u6837\u8d77\u7740\u91cd\u8981\u4f5c\u7528\u3002\u8f83\u5bbd\u7684\u5e26\u5bbd\u901a\u5e38\u4f1a\u5bfc\u81f4\u66f4\u9ad8\u7684\u80fd\u8017\uff0c\u56e0\u4e3a\u9700\u8981\u66f4\u591a\u7684\u529f\u7387\u6765\u652f\u6301\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002\u800c\u8f83\u7a84\u7684\u5e26\u5bbd\u5219\u76f8\u5bf9\u8282\u80fd\uff0c\u4f46\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u7269\u8054\u7f51\u8bbe\u5907\u65f6\uff0c\u9700\u8981\u7efc\u5408\u8003\u8651\u5e26\u5bbd\u3001\u6570\u636e\u901f\u7387\u548c\u80fd\u8017\u4e4b\u95f4\u7684\u5e73\u8861\u3002<\/p>\n\n\n\n \u3000\u3000\u5e26\u5bbd\u914d\u7f6e\u8fd8\u5f71\u54cdLoRa\u7f51\u7edc\u7684\u8986\u76d6\u8303\u56f4\u548c\u6574\u4f53\u6027\u80fd\u3002\u8f83\u5927\u7684\u5e26\u5bbd\u6709\u52a9\u4e8e\u63d0\u9ad8\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\uff0c\u5c24\u5176\u662f\u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0c\u901a\u8fc7\u8c03\u6574\u5e26\u5bbd\u3001\u4ee3\u7801\u7387\u548c\u6269\u5c55\u56e0\u5b50\u53ef\u4ee5\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002\u6b64\u5916\uff0cLoRa\u91c7\u7528\u661f\u578b\u62d3\u6251\u7ed3\u6784\uff0c\u901a\u8fc7\u5c11\u91cf\u7f51\u5173\u76f4\u63a5\u901a\u4fe1\uff0c\u51cf\u5c11\u7f51\u7edc\u590d\u6742\u5ea6\uff0c\u540c\u65f6\u5229\u7528\u8f83\u5927\u7684\u5e26\u5bbd\u907f\u514d\u4fe1\u9053\u566a\u58f0\u548c\u591a\u666e\u52d2\u6548\u5e94\u3002<\/p>\n\n\n\n \u3000\u3000\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u5bf9\u5e26\u5bbd\u7684\u9700\u6c42\u4e0d\u540c\u3002\u4f8b\u5982\uff0c\u5728\u5de5\u4e1a\u7269\u8054\u7f51(IIoT)\u5e94\u7528\u4e2d\uff0c\u7531\u4e8e\u73af\u5883\u590d\u6742\u4e14\u5e72\u6270\u8f83\u591a\uff0c\u901a\u5e38\u9700\u8981\u8f83\u5927\u7684\u5e26\u5bbd\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002\u800c\u5728\u667a\u80fd\u57ce\u5e02\u7b49\u5e94\u7528\u4e2d\uff0c\u4e3a\u4e86\u5e73\u8861\u6570\u636e\u901f\u7387\u548c\u8986\u76d6\u8303\u56f4\uff0c\u53ef\u4ee5\u9009\u62e9\u9002\u5f53\u7684\u5e26\u5bbd\u914d\u7f6e\u3002<\/p>\n\n\n\n \u3000\u3000LoRa\u6280\u672f\u7684\u4fe1\u9053\u5e26\u5bbd\u914d\u7f6e\u5bf9\u7269\u8054\u7f51\u5e94\u7528\u6027\u80fd\u6709\u7740\u6df1\u8fdc\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n \u3000\u3000\u9009\u62e9LoRa\u6280\u672f\u7684\u9891\u6bb5\u548c\u5e26\u5bbd\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u6765\u51b3\u5b9a\u3002\u4ee5\u4e0b\u662f\u57fa\u4e8e\u4e0d\u540c\u5e94\u7528\u573a\u666f\u7684\u8be6\u7ec6\u5efa\u8bae\uff1a<\/p>\n\n\n\n \u3000\u3000LoRa\u6280\u672f\u53ef\u4ee5\u5728\u591a\u4e2a\u9891\u6bb5\u4e0a\u8fd0\u884c\uff0c\u5305\u62ecSub-1 GHz\u9891\u6bb5(\u5982433 MHz\u3001868 MHz\u548c915 MHz)\u548c2.4 GHz\u9891\u6bb5\u3002\u4e0d\u540c\u9891\u6bb5\u5177\u6709\u4e0d\u540c\u7684\u7279\u6027\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\u9700\u6c42\uff1a<\/p>\n\n\n\n \u3000\u3000Sub-1 GHz\u9891\u6bb5<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u4f18\u70b9<\/strong>\uff1a\u7a7f\u900f\u80fd\u529b\u5f3a\uff0c\u9002\u5408\u5ba4\u5185\u548c\u590d\u6742\u73af\u5883\u4e0b\u7684\u5e94\u7528\uff0c\u5982\u667a\u80fd\u519c\u4e1a\u3001\u73af\u5883\u76d1\u6d4b\u548c\u7d27\u6025\u670d\u52a1\u7b49\u3002<\/p>\n\n\n\n \u3000\u3000\u7f3a\u70b9<\/strong>\uff1a\u6570\u636e\u901f\u7387\u8f83\u4f4e\uff0c\u901a\u5e38\u5728\u51e0kbps\u523040 kbps\u4e4b\u95f4\u3002<\/p>\n\n\n\n \u3000\u30002.4 GHz\u9891\u6bb5<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u4f18\u70b9<\/strong>\uff1a\u6570\u636e\u901f\u7387\u8f83\u9ad8\uff0c\u53ef\u8fbe250 kbps\uff0c\u9002\u5408\u9700\u8981\u8f83\u9ad8\u6570\u636e\u901f\u7387\u7684\u5e94\u7528\uff0c\u5982\u4ed3\u5e93\u7ba1\u7406\u548c\u65bd\u5de5\u73b0\u573a\u76d1\u63a7\u3002<\/p>\n\n\n\n \u3000\u3000\u7f3a\u70b9<\/strong>\uff1a\u7a7f\u900f\u80fd\u529b\u8f83\u5f31\uff0c\u53d7\u5efa\u7b51\u7269\u548c\u5176\u4ed6\u969c\u788d\u7269\u5f71\u54cd\u8f83\u5927\u3002<\/p>\n\n\n\n \u3000\u3000TVWS\u9891\u6bb5<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u4f18\u70b9<\/strong>\uff1a\u9891\u7387\u8303\u56f4\u5e7f\uff0c\u8def\u5f84\u635f\u8017\u4f4e\uff0c\u9002\u5408\u957f\u8ddd\u79bb\u548c\u5e7f\u6cdb\u8986\u76d6\u7684\u5e94\u7528\uff0c\u5982\u8fdc\u7a0b\u76d1\u63a7\u548c\u8d44\u4ea7\u7ba1\u7406\u3002<\/p>\n\n\n\n \u3000\u3000\u7f3a\u70b9<\/strong>\uff1a\u9891\u6bb5\u662f\u6388\u6743\u7684\uff0c\u53ef\u80fd\u9700\u8981\u989d\u5916\u7684\u8bb8\u53ef\u548c\u7ba1\u7406\u3002<\/p>\n\n\n\n \u3000\u3000\u5e26\u5bbd\u7684\u9009\u62e9\u76f4\u63a5\u5f71\u54cd\u6570\u636e\u901f\u7387\u548c\u63a5\u6536\u7075\u654f\u5ea6\u3002LoRa\u652f\u6301\u7684\u5e26\u5bbd\u8303\u56f4\u4ece7.8 kHz\u5230500 kHz\uff0c\u5177\u4f53\u9009\u62e9\u5e94\u6839\u636e\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u8fdb\u884c\u8c03\u6574\uff1a<\/p>\n\n\n\n \u3000\u3000\u4f4e\u5e26\u5bbd\uff087.8 kHz\u81f3125 kHz\uff09<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u4f18\u70b9<\/strong>\uff1a\u63a5\u6536\u7075\u654f\u5ea6\u9ad8\uff0c\u9002\u5408\u957f\u8ddd\u79bb\u4f20\u8f93\u548c\u4f4e\u529f\u8017\u5e94\u7528\u3002<\/p>\n\n\n\n \u3000\u3000\u7f3a\u70b9<\/strong>\uff1a\u6570\u636e\u901f\u7387\u8f83\u4f4e\uff0c\u4e0d\u9002\u5408\u9700\u8981\u9ad8\u6570\u636e\u901f\u7387\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n \u3000\u3000\u4e2d\u7b49\u5e26\u5bbd\uff08125 kHz\u81f3250 kHz\uff09<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u4f18\u70b9<\/strong>\uff1a\u5e73\u8861\u4e86\u6570\u636e\u901f\u7387\u548c\u63a5\u6536\u7075\u654f\u5ea6\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u7269\u8054\u7f51\u5e94\u7528\u3002<\/p>\n\n\n\n \u3000\u3000\u7f3a\u70b9<\/strong>\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4ecd\u7136\u53ef\u80fd\u53d7\u5230\u5e72\u6270\u3002<\/p>\n\n\n\n \u3000\u3000\u9ad8\u5e26\u5bbd\uff08250 kHz\u81f3500 kHz\uff09<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u4f18\u70b9<\/strong>\uff1a\u6570\u636e\u901f\u7387\u9ad8\uff0c\u9002\u5408\u9700\u8981\u5feb\u901f\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n \u3000\u3000\u7f3a\u70b9<\/strong>\uff1a\u63a5\u6536\u7075\u654f\u5ea6\u8f83\u4f4e\uff0c\u5bb9\u6613\u53d7\u5230\u5e72\u6270\u3002<\/p>\n\n\n\n \u3000\u3000\u6269\u5c55\u56e0\u5b50\u548c\u9519\u8bef\u7ea0\u6b63\u7387\u4e5f\u662f\u5f71\u54cdLoRa\u6027\u80fd\u7684\u91cd\u8981\u53c2\u6570\uff1a<\/p>\n\n\n\n \u3000\u3000\u6269\u5c55\u56e0\u5b50\uff08SF\uff09<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u9ad8SF\u503c\uff08SF7\u81f3SF12\uff09<\/strong> \uff1a\u589e\u52a0\u63a5\u6536\u7075\u654f\u5ea6\uff0c\u4f46\u964d\u4f4e\u6570\u636e\u901f\u7387\u3002<\/p>\n\n\n\n \u3000\u3000\u4f4eSF\u503c\uff08SF6\u81f3SF7\uff09<\/strong> \uff1a\u63d0\u9ad8\u6570\u636e\u901f\u7387\uff0c\u4f46\u964d\u4f4e\u63a5\u6536\u7075\u654f\u5ea6\u3002<\/p>\n\n\n\n \u3000\u3000\u9519\u8bef\u7ea0\u6b63\u7387\uff08CR\uff09<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u9ad8CR\u503c\uff084\/5\u81f34\/8\uff09<\/strong> \uff1a\u589e\u5f3a\u9519\u8bef\u7ea0\u6b63\u80fd\u529b\uff0c\u4f46\u589e\u52a0\u4f20\u8f93\u5f00\u9500\u3002<\/p>\n\n\n\n \u3000\u3000\u4f4eCR\u503c\uff084\/5\u81f34\/7\uff09<\/strong> \uff1a\u51cf\u5c11\u4f20\u8f93\u5f00\u9500\uff0c\u4f46\u964d\u4f4e\u9519\u8bef\u7ea0\u6b63\u80fd\u529b\u3002<\/p>\n\n\n\n \u3000\u3000\u5e94\u7528\u573a\u666f\u793a\u4f8b<\/p>\n\n\n\n \u3000\u3000LoRa\u6280\u672f\u5728\u5168\u7403\u8303\u56f4\u5185\u7684\u6cd5\u89c4\u9650\u5236\u548c\u517c\u5bb9\u6027\u95ee\u9898\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n \u3000\u3000\u5728\u6b27\u6d32\uff0cLoRa\u6280\u672f\u5728433.05-434.79 MHz\u6216863-870 MHz\u9891\u6bb5\u4e0a\u8fd0\u884c\uff0c\u6839\u636e\u4e0d\u540c\u7684\u5b50\u9891\u6bb5\uff0cETSI\u89c4\u5b9a\u4e86\u4e0d\u540c\u7684\u6700\u5927\u5360\u7a7a\u6bd4(duty cycle)\uff0c\u5206\u522b\u4e3a0.1%\u30011%\u548c10%\u3002\u4e3a\u4e86\u907f\u514d\u7f51\u7edc\u62e5\u585e\uff0cLoRa Alliance\u5c06\u6700\u5927\u5360\u7a7a\u6bd4\u89c4\u5b9a\u4e3a1%\uff0c\u8fd9\u9650\u5236\u4e86\u57fa\u4e8eLoRa\u7684\u7f51\u7edc\u7684\u53ef\u6269\u5c55\u6027\u3002\u8fd9\u79cd\u5360\u7a7a\u6bd4\u9650\u5236\u4e5f\u5f71\u54cd\u4e86LoRa\u7f51\u72b6\u7f51\u7edc\u7684\u8986\u76d6\u6269\u5c55\u6bd4\u4f8b\u3002<\/p>\n\n\n\n \u3000\u3000\u5c3d\u7ba1LoRa\u6280\u672f\u5728\u5168\u7403\u8303\u56f4\u5185\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\uff0c\u4f46\u5728\u67d0\u4e9b\u56fd\u5bb6\u6216\u5730\u533a\u548c\u5730\u533a\uff0c\u7531\u4e8e\u5f53\u5730\u6cd5\u89c4\u590d\u6742\u3001\u96be\u4ee5\u8bc6\u522b\u5408\u9002\u7684\u975e\u6388\u6743\u9891\u6bb5\u4ee5\u53ca\u4e0e\u76d1\u7ba1\u673a\u6784\u8054\u7cfb\u56f0\u96be\uff0cLoRaWAN\u89e3\u51b3\u65b9\u6848\u7684\u5b9e\u65bd\u4ecd\u9762\u4e34\u6311\u6218\u3002\u4f8b\u5982\uff0c\u5728\u4e9a\u6d32\u548c\u4e2d\u4e1c\u5730\u533a\uff0cLoRa Alliance\u6b63\u5728\u52aa\u529b\u6269\u5c55\u652f\u6301\u66f4\u591a\u7684\u56fd\u5bb6\u6216\u5730\u533a\uff0c\u5e76\u5229\u7528\u65b0\u5f00\u653e\u7684\u9891\u8c31\u3002<\/p>\n\n\n\n \u3000\u3000LoRa\u6280\u672f\u5728ISM\u9891\u6bb5\u4e2d\u4f7f\u7528\u65f6\uff0c\u5fc5\u987b\u9075\u5b88\u591a\u9879\u6cd5\u89c4\uff0c\u5305\u62ec\u968f\u673a\u6539\u53d8\u4f20\u8f93\u9891\u9053\u3001\u9075\u5b88\u6700\u5927\u5360\u7a7a\u6bd4\u548c\u6700\u5927\u53d1\u5c04\u529f\u7387\u7b49\u3002\u8fd9\u4e9b\u6cd5\u89c4\u9650\u5236\u4e86\u8bbe\u5907\u5728\u7279\u5b9a\u9891\u9053\u4e0a\u7684\u4f20\u8f93\u65f6\u95f4\uff0c\u4ece\u800c\u5f71\u54cd\u4e86\u901a\u4fe1\u7684\u53ef\u9760\u6027\u548c\u6548\u7387\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u62e5\u6324\u7684\u65e0\u7ebf\u7535\u9891\u7387\u73af\u5883\u4e2d\uff0cLoRa\u6280\u672f\u53ef\u80fd\u4f1a\u53d7\u5230\u5e72\u6270\uff0c\u5c24\u5176\u662f\u5728\u57ce\u5e02\u548c\u68ee\u6797\u533a\u57df\uff0c\u8fd9\u53ef\u80fd\u5f71\u54cd\u901a\u4fe1\u7684\u53ef\u9760\u6027\u3002\u6b64\u5916\uff0c\u4e0d\u540c\u56fd\u5bb6\u548c\u5730\u533a\u5bf9ISM\u9891\u6bb5\u7684\u4f7f\u7528\u89c4\u5b9a\u4e0d\u540c\uff0c\u5bfc\u81f4LoRa\u8bbe\u5907\u5728\u4e0d\u540c\u5730\u7406\u533a\u57df\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u591a\u6b21\u8bbe\u8ba1\u8fed\u4ee3\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u6cd5\u89c4\u8981\u6c42\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u5317\u7f8e\uff0c\u7531\u4e8e\u6cd5\u5f8b\u6cd5\u89c4\u548c\u5b9e\u9645\u4f7f\u7528\u9650\u5236\uff0cLoRa\u7684\u6700\u5927\u6570\u636e\u901f\u7387\u4ec5\u4e3a27 kbps\uff0c\u8fdc\u4f4e\u4e8e\u5176\u7406\u8bba\u6700\u5927\u503c\u3002\u6b64\u5916\uff0cIoT\u7f51\u7edc\u5bf9LoRa\u7684\u4f7f\u7528\u4e5f\u53d7\u5230\u7f51\u7edc\u8fd0\u8425\u5546\u89c4\u5219\u548c\u6307\u5bfc\u65b9\u9488\u7684\u7ea6\u675f\uff0c\u4f8b\u5982TTN\u5efa\u8bae\u6bcf\u5929\u9650\u5236\u4e0b\u884c\u6d88\u606f\u6570\u91cf\u4e3a10\u6761\uff0c\u6700\u5927\u6709\u6548\u8d1f\u8f7d\u4e3a12\u5b57\u8282\uff0c\u8fd9\u5bfc\u81f4\u5b9e\u9645\u6570\u636e\u901f\u7387\u975e\u5e38\u4f4e\u3002<\/p>\n\n\n\n \u3000\u3000\u5c3d\u7ba1LoRaWAN\u6807\u51c6\u786e\u4fdd\u4e86\u4e00\u5b9a\u7a0b\u5ea6\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u4f46\u4e0d\u540c\u89e3\u51b3\u65b9\u6848\u95f4\u7684\u5b9e\u65bd\u6807\u51c6\u5dee\u5f02\u53ef\u80fd\u5bfc\u81f4\u517c\u5bb9\u6027\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u5546\u4e1a\u4e13\u6709LoRa\u7f51\u72b6\u7f51\u7edc\u5927\u591a\u4e0d\u517c\u5bb9\uff0c\u6bcf\u4e2a\u8bbe\u5907\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u786c\u4ef6(\u5982\u8def\u7531\u5668\u3001\u4f20\u611f\u5668\u548c\u7f51\u5173)\u4e4b\u95f4\u65e0\u6cd5\u4e92\u64cd\u4f5c\uff0c\u5bfc\u81f4\u5728\u80fd\u8017\u3001\u8303\u56f4\u3001\u541e\u5410\u91cf\u548c\u5ef6\u8fdf\u65b9\u9762\u8868\u73b0\u5404\u5f02\u3002<\/p>\n\n\n\n \u3000\u3000LoRa\u6280\u672f\u5728\u5168\u7403\u8303\u56f4\u5185\u7684\u6cd5\u89c4\u9650\u5236\u548c\u517c\u5bb9\u6027\u95ee\u9898\u4e3b\u8981\u96c6\u4e2d\u5728\u6700\u5927\u5360\u7a7a\u6bd4\u9650\u5236\u3001\u9891\u6bb5\u548c\u6cd5\u89c4\u5dee\u5f02\u3001\u53d1\u5c04\u529f\u7387\u548c\u4f20\u8f93\u65f6\u95f4\u9650\u5236\u3001\u5e72\u6270\u548c\u9891\u7387\u9009\u62e9\u6027\u3001\u6570\u636e\u901f\u7387\u548c\u901a\u4fe1\u9650\u5236\u4ee5\u53ca\u517c\u5bb9\u6027\u548c\u4e92\u64cd\u4f5c\u6027\u95ee\u9898\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n \u3000\u3000LoRa\u6280\u672f\u5728\u7269\u8054\u7f51(IoT)\u9886\u57df\u5df2\u7ecf\u53d6\u5f97\u4e86\u663e\u8457\u7684\u53d1\u5c55\uff0c\u5e76\u4e14\u672a\u6765\u8d8b\u52bf\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n \u3000\u3000LoRa\u6280\u672f\u7684\u6700\u65b0\u53d1\u5c55\u548c\u672a\u6765\u8d8b\u52bf\u4e3b\u8981\u96c6\u4e2d\u5728\u4e0e5G\u7f51\u7edc\u7684\u878d\u5408\u3001\u8fb9\u7f18\u8ba1\u7b97\u7684\u6574\u5408\u3001\u63d0\u9ad8\u901a\u4fe1\u6548\u7387\u548c\u6297\u5e72\u6270\u80fd\u529b\u3001\u6269\u5c55\u5e94\u7528\u573a\u666f\u3001\u8ba4\u77e5\u65e0\u7ebf\u7535\u548c\u9891\u8c31\u7ba1\u7406\u4ee5\u53ca\u5168\u7403\u90e8\u7f72\u548c\u6807\u51c6\u5316\u7b49\u65b9\u9762\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" 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\u3000\u3000\u4e00\u3001 LoRa\u6280\u672f\u5728\u4e0d\u540c\u56fd\u5bb6\/\u5730\u533a\u7684\u9891\u6bb5\u5206\u914d\u548c\u4f7f\u7528\u89c4\u5b9a\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n
\u3000\u30001. \u6b27\u6d32<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30002. \u7f8e\u56fd<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30003. \u4e2d\u56fd<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30004. \u6fb3\u5927\u5229\u4e9a<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30005. \u65e5\u672c<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30006. \u4e9a\u6d32\u5176\u4ed6\u56fd\u5bb6<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30007. \u5176\u4ed6\u56fd\u5bb6\u548c\u5730\u533a<\/strong>\uff1a<\/h3>\n\n\n\n
\n
\u3000\u3000\u4e8c\u3001 LoRa\u6280\u672f\u7684\u4fe1\u9053\u5e26\u5bbd\u914d\u7f6e\u5bf9\u7269\u8054\u7f51\u5e94\u7528\u6027\u80fd\u7684\u5177\u4f53\u5f71\u54cd\u5982\u4f55?<\/h2>\n\n\n\n
\u3000\u3000\u4e09\u3001 \u5982\u4f55\u6839\u636e\u5e94\u7528\u573a\u666f\u9009\u62e9LoRa\u6280\u672f\u7684\u9891\u6bb5\u548c\u5e26\u5bbd?<\/h2>\n\n\n\n
\u3000\u30001. \u9891\u6bb5\u9009\u62e9<\/h3>\n\n\n\n
\u3000\u30002. \u5e26\u5bbd\u9009\u62e9<\/h3>\n\n\n\n
\u3000\u30003. \u6269\u5c55\u56e0\u5b50(SF)\u548c\u9519\u8bef\u7ea0\u6b63\u7387(CR)<\/h3>\n\n\n\n
\n
\u3000\u3000\u56db\u3001 LoRa\u6280\u672f\u5728\u5168\u7403\u8303\u56f4\u5185\u7684\u6cd5\u89c4\u9650\u5236\u548c\u517c\u5bb9\u6027\u95ee\u9898\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n
\u3000\u3000\u4e94\u3001 LoRa\u6280\u672f\u7684\u6700\u65b0\u53d1\u5c55\u548c\u672a\u6765\u8d8b\u52bf\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n
\n