{"id":99557,"date":"2024-11-28T15:28:47","date_gmt":"2024-11-28T07:28:47","guid":{"rendered":"\/\/www.viralrail.com\/?p=99557"},"modified":"2024-11-28T15:28:51","modified_gmt":"2024-11-28T07:28:51","slug":"lzdslsds","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99557.html","title":{"rendered":"LoRa\u6700\u5927\u901f\u7387\u662f\u591a\u5c11"},"content":{"rendered":"\n

\u3000\u3000LoRa<\/strong>\u7684\u6700\u5927\u7406\u8bba\u901f\u7387\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\u53ef\u4ee5\u8fbe\u523037.5 kbps\uff0c\u8fd9\u79cd\u901f\u7387\u901a\u5e38\u51fa\u73b0\u5728\u5e26\u5bbd\u4e3a500 kHz\u3001\u6269\u9891\u56e0\u5b50\u4e3aSF7\u3001\u7f16\u7801\u7387\u4e3a4\/5\u7684\u914d\u7f6e\u4e0b\u3002\u6269\u9891\u56e0\u5b50\u8d8a\u5c0f\uff0c\u6570\u636e\u901f\u7387\u8d8a\u9ad8\uff0c\u4f46\u901a\u4fe1\u8ddd\u79bb\u548c\u6297\u5e72\u6270\u80fd\u529b\u4f1a\u964d\u4f4e\uff0c\u800c\u8f83\u5927\u7684\u5e26\u5bbd\u4e5f\u6709\u52a9\u4e8e\u63d0\u5347\u901f\u7387\uff0c\u4f46\u4f1a\u589e\u52a0\u5bf9\u4fe1\u9053\u8d28\u91cf\u7684\u8981\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa\u7684\u6700\u5927\u901f\u7387\u901a\u5e38\u4f1a\u53d7\u5230\u5e38\u7528\u53c2\u6570\u7684\u9650\u5236\u3002\u4f8b\u5982\uff0c\u4f7f\u7528125 kHz\u5e26\u5bbd\u3001SF7\u548cCR 4\/5\u914d\u7f6e\u65f6\uff0c\u901f\u7387\u7ea6\u4e3a5.47 kbps\uff0c\u8fd9\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u901f\u7387\u914d\u7f6e\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u901f\u7387\u8fd8\u4f1a\u53d7\u5230\u73af\u5883\u5e72\u6270\u3001\u534f\u8bae\u5f00\u9500\u548c\u6570\u636e\u5b8c\u6574\u6027\u4fdd\u969c\u673a\u5236\u7b49\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5b9e\u9645\u4f20\u8f93\u901f\u7387\u53ef\u80fd\u4f4e\u4e8e\u7406\u8bba\u503c\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u6280\u672f\u7684\u6700\u5927\u6570\u636e\u4f20\u8f93\u901f\u7387\u662f\u591a\u5c11?<\/h2>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u7684\u6700\u5927\u6570\u636e\u4f20\u8f93\u901f\u7387\u57282.4 GHz\u9891\u6bb5\u4e0a\u53ef\u8fbe253.91 kbit\/s\u3002\u7136\u800c\uff0c\u5728\u5176\u4ed6\u9891\u6bb5\uff0c\u5982868 MHz\uff0cLoRa\u7684\u6700\u5927\u6570\u636e\u4f20\u8f93\u901f\u7387\u901a\u5e38\u9650\u5236\u572837.5 kbps\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 LoRa\u6280\u672f\u5728\u4e0d\u540c\u914d\u7f6e\u4e0b\u7684\u6700\u5927\u53ef\u9760\u901f\u7387\u6709\u54ea\u4e9b\u5dee\u5f02?<\/h2>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5728\u4e0d\u540c\u914d\u7f6e\u4e0b\u7684\u6700\u5927\u53ef\u9760\u901f\u7387\u5b58\u5728\u663e\u8457\u5dee\u5f02\uff0c\u8fd9\u4e9b\u5dee\u5f02\u4e3b\u8981\u7531\u4ee5\u4e0b\u51e0\u4e2a\u53c2\u6570\u51b3\u5b9a\uff1a\u6269\u5c55\u56e0\u5b50(SF)\u3001\u5e26\u5bbd(BW)\u3001\u7f16\u7801\u7387(CR)\u548c\u4f20\u8f93\u529f\u7387(TP)\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n\n\n\n

\u3000\u3000\u6269\u5c55\u56e0\u5b50\u51b3\u5b9a\u4e86\u6bcf\u4e2a\u6bd4\u7279\u5728\u4fe1\u53f7\u4e2d\u7684\u6269\u5c55\u7a0b\u5ea6\uff0cSF\u8d8a\u9ad8\uff0c\u6bcf\u6bd4\u7279\u4f7f\u7528\u7684\u6269\u5c55\u7801\u8d8a\u591a\uff0c\u63a5\u6536\u7075\u654f\u5ea6\u8d8a\u9ad8\uff0c\u4f46\u6570\u636e\u901f\u7387\u964d\u4f4e\u3002\u4f8b\u5982\uff0cSF\u4ece6\u523012.SF\u8d8a\u9ad8\uff0c\u6570\u636e\u901f\u7387\u8d8a\u4f4e\uff0c\u4f46\u6297\u5e72\u6270\u80fd\u529b\u66f4\u5f3a\u3002<\/p>\n\n\n\n

\u3000\u3000\u5e26\u5bbd\u76f4\u63a5\u5f71\u54cd\u6570\u636e\u901f\u7387\u3002\u9ad8\u5e26\u5bbd\u53ef\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u7684\u6570\u636e\u901f\u7387\uff0c\u4f46\u4f1a\u964d\u4f4e\u63a5\u6536\u7075\u654f\u5ea6;\u4f4e\u5e26\u5bbd\u6709\u52a9\u4e8e\u83b7\u5f97\u66f4\u597d\u7684\u63a5\u6536\u7075\u654f\u5ea6\uff0c\u4f46\u4f1a\u964d\u4f4e\u6570\u636e\u901f\u7387\u3002LoRa\u652f\u6301\u7684\u5e26\u5bbd\u8303\u56f4\u4ece7.8 kHz\u5230500 kHz\u3002<\/p>\n\n\n\n

\u3000\u3000\u7f16\u7801\u7387\u51b3\u5b9a\u4e86\u4f20\u8f93\u6570\u636e\u4e2d\u5197\u4f59\u6bd4\u7279\u7684\u6bd4\u4f8b\uff0cCR\u8d8a\u5c0f\uff0c\u5197\u4f59\u6bd4\u7279\u8d8a\u591a\uff0c\u4f20\u8f93\u53ef\u9760\u6027\u8d8a\u9ad8\uff0c\u4f46\u6570\u636e\u901f\u7387\u964d\u4f4e\u3002LoRa\u652f\u6301\u7684CR\u8303\u56f4\u4e3a4\/5\u52304\/8.<\/p>\n\n\n\n

\u3000\u3000TP\u662f\u53ef\u8c03\u8282\u53c2\u6570\uff0c\u8303\u56f4\u4ece2 dBm\u523014 dBm\u3002TP\u8d8a\u9ad8\uff0c\u4f20\u8f93\u8ddd\u79bb\u8d8a\u8fdc\uff0c\u4f46\u80fd\u8017\u4e5f\u8d8a\u9ad8\u3002<\/p>\n\n\n\n

\u3000\u30001. \u5177\u4f53\u914d\u7f6e\u4e0b\u7684\u6700\u5927\u53ef\u9760\u901f\u7387\u5dee\u5f02<\/h3>\n\n\n\n

\u3000\u3000\u6700\u6162\u914d\u7f6e<\/strong>\uff1a\u4f7f\u7528SF12\u3001BW125 kHz\u548cCR4\/8\u7684\u914d\u7f6e\u3002\u8fd9\u79cd\u914d\u7f6e\u5177\u6709\u6700\u9ad8\u7684\u63a5\u6536\u7075\u654f\u5ea6\u548c\u6700\u4f4e\u7684\u6570\u636e\u901f\u7387\uff0c\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u53ef\u9760\u6027\u7684\u5e94\u7528\uff0c\u5982\u5de5\u4e1a\u81ea\u52a8\u5316\u3002<\/p>\n\n\n\n

\u3000\u3000\u6700\u5feb\u914d\u7f6e<\/strong>\uff1a\u4f7f\u7528SF6\u3001BW500 kHz\u548cCR4\/5\u7684\u914d\u7f6e\u3002\u8fd9\u79cd\u914d\u7f6e\u5177\u6709\u6700\u4f4e\u7684\u63a5\u6536\u7075\u654f\u5ea6\u548c\u6700\u9ad8\u7684\u6570\u636e\u901f\u7387\uff0c\u9002\u7528\u4e8e\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u5e94\u7528\uff0c\u5982\u8d44\u4ea7\u8ffd\u8e2a\u3002<\/p>\n\n\n\n

\u3000\u30002. \u5b9e\u9a8c\u7ed3\u679c\u548c\u6027\u80fd\u5206\u6790<\/h3>\n\n\n\n

\u3000\u3000\u5b9e\u9a8c\u8868\u660e\uff0c\u5728\u65e0\u89c6\u7ebf\u5ba4\u5185\u73af\u5883\u4e2d\uff0c\u4f7f\u7528\u6700\u5feb\u7684LoRa\u8bbe\u7f6e(\u8bbe\u7f6eID 1)\u65f6\uff0c\u5305\u63a5\u6536\u7387(Prr)\u6700\u9ad8\uff0c\u8868\u660e\u6570\u636e\u4f20\u8f93\u6548\u7387\u6700\u4f73\u3002\u7136\u800c\uff0c\u8bbe\u7f6eID 2\u8868\u73b0\u51fa\u66f4\u4e00\u81f4\u7684\u6027\u80fd\uff0c\u5177\u6709\u8f83\u4f4e\u7684\u65b9\u5dee\u548c\u6700\u9ad8\u7684\u6700\u5c0f\u503c\uff0c\u5c3d\u7ba1\u5176Prr\u7565\u4f4e\u3002\u6b64\u5916\uff0c\u5b9e\u9a8c\u8fd8\u53d1\u73b0\uff0c\u5728\u6709\u6355\u83b7\u6548\u5e94\u7684\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u78b0\u649e\u53ef\u80fd\u6709\u4e00\u4e2a\u4f20\u8f93\u53ef\u4ee5\u6062\u590d\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86PDR\u3002<\/p>\n\n\n\n

\u3000\u30003. \u73af\u5883\u56e0\u7d20\u7684\u5f71\u54cd<\/h3>\n\n\n\n

\u3000\u3000\u6e29\u5ea6\u3001\u6e7f\u5ea6\u7b49\u5916\u90e8\u56e0\u7d20\u4e5f\u5bf9LoRa\u7684\u6027\u80fd\u6709\u663e\u8457\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u5728\u6e29\u5ea6\u5347\u9ad8\u65f6\uff0c\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u7ebf\u6027\u4e0b\u964d\uff0c\u8fd9\u4f1a\u4e25\u91cd\u5f71\u54cd\u5904\u4e8e\u901a\u4fe1\u8303\u56f4\u8fb9\u7f18\u7684LoRa\u94fe\u8def\uff0c\u589e\u52a0\u6570\u636e\u5305\u635f\u574f\u548c\u4e22\u5931\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 LoRa\u6280\u672f\u7684\u901f\u7387\u4e0e\u901a\u4fe1\u8ddd\u79bb\u4e4b\u95f4\u7684\u5173\u7cfb\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u7684\u901f\u7387\u4e0e\u901a\u4fe1\u8ddd\u79bb\u4e4b\u95f4\u7684\u5173\u7cfb\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

\u3000\u3000\u901f\u7387\u4e0e\u901a\u4fe1\u8ddd\u79bb\u7684\u53cd\u6bd4\u5173\u7cfb<\/strong>\uff1aLoRa\u6280\u672f\u5728\u4f4e\u6bd4\u7279\u7387\u6269\u9891\u901a\u4fe1\u4e2d\uff0c\u901f\u7387\u8d8a\u4f4e\uff0c\u901a\u4fe1\u8ddd\u79bb\u8d8a\u8fdc\u3002\u8fd9\u662f\u56e0\u4e3a\u4f4e\u901f\u7387\u4f20\u8f93\u65f6\uff0c\u63a5\u6536\u673a\u7684\u5e26\u5bbd\u8f83\u7a84\uff0c\u7075\u654f\u5ea6\u8f83\u9ad8\uff0c\u4ece\u800c\u80fd\u591f\u66f4\u597d\u5730\u62b5\u6297\u566a\u58f0\u548c\u5e72\u6270\uff0c\u5b9e\u73b0\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5728\u6d77\u6d0b\u73af\u5883\u4e2d\uff0c\u7531\u4e8e\u65e0\u6cd5\u8bbe\u7f6e\u4e2d\u7ee7\u7ad9\u4ee5\u8f6c\u53d1\u6570\u636e\uff0c\u91c7\u7528\u6269\u9891\u6280\u672f\u7684LoRa\u53ef\u4ee5\u5b9e\u73b0\u957f\u8ddd\u79bb\u3001\u6297\u566a\u58f0\u4f20\u8f93\u7279\u6027\uff0c\u5176\u4f20\u8f93\u901f\u7387\u53ef\u81ea\u7531\u8c03\u6574\uff0c\u901f\u7387\u8d8a\u4f4e\uff0c\u4f20\u8f93\u8ddd\u79bb\u8d8a\u8fdc\u3002<\/p>\n\n\n\n

\u3000\u3000\u5e26\u5bbd\u4e0e\u4fe1\u566a\u6bd4\u7684\u5173\u7cfb<\/strong>\uff1a\u4e3a\u4e86\u63d0\u9ad8\u4fe1\u606f\u7684\u4f20\u8f93\u901f\u7387\uff0c\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u5e26\u5bbd\u6216\u63d0\u9ad8\u4fe1\u566a\u6bd4\u6765\u5b9e\u73b0\u3002\u7136\u800c\uff0c\u5f53\u4fe1\u53f7\u5e26\u5bbd\u589e\u52a0\u5230\u4e00\u5b9a\u7a0b\u5ea6\u65f6\uff0c\u5141\u8bb8\u4fe1\u566a\u6bd4\u8fdb\u4e00\u6b65\u964d\u4f4e\uff0c\u5373\u4f7f\u6709\u7528\u4fe1\u53f7\u529f\u7387\u63a5\u8fd1\u566a\u58f0\u529f\u7387\u751a\u81f3\u6df9\u6ca1\u5728\u566a\u58f0\u4e4b\u4e0b\u4e5f\u80fd\u6b63\u5e38\u901a\u4fe1\u3002\u8fd9\u610f\u5473\u7740\u5728\u4fdd\u6301\u4f4e\u901f\u7387\u7684\u60c5\u51b5\u4e0b\uff0c\u901a\u8fc7\u6269\u5c55\u9891\u8c31\u6280\u672f(\u5982LoRa)\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4ece\u800c\u589e\u52a0\u901a\u4fe1\u8ddd\u79bb\u3002<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u5904\u7406\u589e\u76ca\u7684\u5f71\u54cd<\/strong>\uff1a\u6269\u9891\u5904\u7406\u589e\u76ca(GP)\u4e0e\u6297\u5e72\u6270\u5bb9\u9650\u6210\u6b63\u6bd4\uff0c\u5373\u6269\u9891\u5904\u7406\u589e\u76ca\u8d8a\u9ad8\uff0c\u6297\u5e72\u6270\u5bb9\u9650\u8d8a\u5927\uff0c\u4ece\u800c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u957f\u7684\u901a\u4fe1\u8ddd\u79bb\u3002\u8fd9\u8868\u660e\u5728LoRa\u7cfb\u7edf\u4e2d\uff0c\u901a\u8fc7\u589e\u52a0\u6269\u9891\u5904\u7406\u589e\u76ca\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u901a\u4fe1\u8ddd\u79bb\u3002<\/p>\n\n\n\n

\u3000\u3000\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u8868\u73b0<\/strong>\uff1a\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa\u6280\u672f\u5728\u4e0d\u540c\u7684\u9891\u6bb5\u548c\u73af\u5883\u4e0b\u8868\u73b0\u51fa\u4e0d\u540c\u7684\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u57282.4 GHz\u9891\u6bb5\u4e0b\uff0cLoRa\u8bbe\u5907\u53ef\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u6570\u636e\u901f\u7387\uff0c\u9002\u7528\u4e8e\u9700\u8981\u66f4\u9ad8\u6570\u636e\u901f\u7387\u548c\u66f4\u957f\u901a\u4fe1\u8303\u56f4\u7684\u5e94\u7528\u3002\u800c\u5728\u5b50GHz\u9891\u6bb5\u4e0b\uff0cLoRa\u8bbe\u5907\u901a\u5e38\u7528\u4e8e\u4e0d\u9700\u8981\u9891\u7e41\u901a\u4fe1\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u68ee\u6797\u706b\u707e\u68c0\u6d4b\u7cfb\u7edf\u548c\u667a\u80fd\u8ba1\u91cf\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u7684\u901f\u7387\u4e0e\u901a\u4fe1\u8ddd\u79bb\u4e4b\u95f4\u5b58\u5728\u53cd\u6bd4\u5173\u7cfb\uff1a\u901f\u7387\u8d8a\u4f4e\uff0c\u901a\u4fe1\u8ddd\u79bb\u8d8a\u8fdc\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001 \u5982\u4f55\u4f18\u5316LoRa\u6280\u672f\u4ee5\u63d0\u9ad8\u5176\u6570\u636e\u4f20\u8f93\u901f\u7387?<\/h2>\n\n\n\n

\u3000\u3000\u8981\u4f18\u5316LoRa\u6280\u672f\u4ee5\u63d0\u9ad8\u5176\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

\u3000\u3000\u901a\u8fc7\u5c06\u6570\u636e\u5e8f\u5217\u5206\u5272\u6210\u591a\u4e2a\u5e76\u884c\u901a\u9053\uff0c\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u7a7a\u4e2d\u65f6\u95f4(ToA)\uff0c\u4ece\u800c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u5728\u4f7f\u7528\u6700\u9ad8\u6269\u5c55\u56e0\u5b5012\u548c\u6700\u5927\u5e26\u5bbd1625 kHz\u7684\u60c5\u51b5\u4e0b\uff0c\u539f\u59cb\u6570\u636e\u901f\u7387\u4e3a4.76 kbps\uff0cToA\u7ea6\u4e3a3.84\u79d2\u3002\u7136\u800c\uff0c\u901a\u8fc7\u5e76\u884c\u5316LoRa\u901a\u4fe1\uff0c\u4f7f\u752818 MHz\u5e26\u5bbd\u65f6\uff0c\u6700\u591a\u53ef\u4f7f\u752811\u4e2a\u5e76\u884c\u901a\u9053\uff0c\u6570\u636e\u901f\u7387\u53ef\u8fbe\u523052.36 kbps\uff0cToA\u7f29\u77ed\u81f3350 ms\u3002<\/p>\n\n\n\n

\u3000\u3000\u589e\u52a0\u5e26\u5bbd\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4f46\u4f1a\u964d\u4f4e\u63a5\u6536\u5668\u7684\u7075\u654f\u5ea6\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5728\u5e26\u5bbd\u548c\u6269\u5c55\u56e0\u5b50\u4e4b\u95f4\u627e\u5230\u5e73\u8861\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u589e\u52a0\u5e26\u5bbd\u5e76\u51cf\u5c11\u6269\u5c55\u56e0\u5b50\uff0c\u53ef\u4ee5\u5728\u4fdd\u6301\u63a5\u6536\u5668\u7075\u654f\u5ea6\u7684\u540c\u65f6\u63d0\u9ad8\u6570\u636e\u901f\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387\u673a\u5236\u53ef\u4ee5\u6839\u636e\u7ec8\u7aef\u8282\u70b9\u4e0e\u7f51\u5173\u7684\u8ddd\u79bb\u52a8\u6001\u8c03\u6574\u6269\u5c55\u56e0\u5b50\u548c\u4f20\u8f93\u529f\u7387\uff0c\u4ece\u800c\u4f18\u5316\u6570\u636e\u4f20\u8f93\u6548\u7387\u3002\u9760\u8fd1\u7f51\u5173\u7684\u7ec8\u7aef\u8282\u70b9\u53ef\u4ee5\u4f7f\u7528\u8f83\u4f4e\u7684\u6269\u5c55\u56e0\u5b50\u4ee5\u51cf\u5c11\u7a7a\u4e2d\u65f6\u95f4\uff0c\u800c\u8fdc\u79bb\u7f51\u5173\u7684\u7ec8\u7aef\u8282\u70b9\u5219\u53ef\u4ee5\u4f7f\u7528\u8f83\u9ad8\u7684\u6269\u5c55\u56e0\u5b50\u4ee5\u786e\u4fdd\u53ef\u9760\u901a\u4fe1\u3002<\/p>\n\n\n\n

\u3000\u3000\u901a\u8fc7\u8c03\u6574FEC\u7801\u7387(CR)\uff0c\u53ef\u4ee5\u5728\u51cf\u5c11\u5e72\u6270\u4e0b\u7684\u5305\u8bef\u7801\u7387(PER)\u7684\u540c\u65f6\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u964d\u4f4e\u7801\u7387\u6709\u52a9\u4e8e\u51cf\u5c11\u5e72\u6270\u4e0b\u7684\u5305\u8bef\u7801\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u591a\u8f7d\u6ce2\u7cfb\u7edf\u901a\u8fc7\u5c06\u9891\u7387\u5e26\u5206\u5272\u6210\u5b50\u901a\u9053\u5e76\u540c\u65f6\u5728\u8fd9\u4e9b\u5b50\u901a\u9053\u4e0a\u4ee5\u8f83\u4f4e\u7684\u6570\u636e\u901f\u7387\u53d1\u9001\u6570\u636e\uff0c\u80fd\u591f\u66f4\u597d\u5730\u5904\u7406\u7b26\u53f7\u95f4\u9694\uff0c\u4f18\u4e8e\u5355\u8f7d\u6ce2\u7cfb\u7edf\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u5e76\u51cf\u5c11\u7a7a\u4e2d\u65f6\u95f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u4f7f\u7528\u6df1\u5ea6\u5f3a\u5316\u5b66\u4e60\u7b97\u6cd5\u5982Soft Actor Critic (SAC)\u6765\u5b66\u4e60\u73af\u5883\u53c2\u6570\u5982QRank\u3001\u4fe1\u53f7\u8d28\u91cf\u548cSINR\uff0c\u4ee5\u5206\u914d\u6700\u4f18\u4f20\u8f93\u7b56\u7565\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u5b9e\u65f6\u73af\u5883\u53c2\u6570\u52a8\u6001\u8c03\u6574\u4f20\u8f93\u53c2\u6570\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u66f4\u4f4e\u7684\u80fd\u8017\u3002<\/p>\n\n\n\n

\u3000\u3000\u901a\u8fc7\u6574\u6570\u7ebf\u6027\u89c4\u5212\u6a21\u578b\u4f18\u5316\u4fe1\u9053\u7ec4(SF)\u548c\u4f20\u8f93\u529f\u7387(TP)\uff0c\u53ef\u4ee5\u5e73\u8861\u5404SF\u5185\u7684\u78b0\u649e\uff0c\u786e\u4fdd\u7f51\u7edc\u5185\u6240\u6709\u7f51\u5173\u7684\u53ef\u9760\u901a\u4fe1\uff0c\u5e76\u6700\u5c0f\u5316\u7f51\u7edc\u80fd\u8017\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u5355\u6216\u591a\u7f51\u5173\u3001\u4e0d\u540c\u7a7a\u95f4\u914d\u7f6e\u7684LoRa\u8bbe\u5907\u7f51\u7edc\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e94\u3001 LoRa\u6280\u672f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6700\u5927\u901f\u7387\u8868\u73b0\u5982\u4f55?<\/h2>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6700\u5927\u901f\u7387\u8868\u73b0\u56e0\u5177\u4f53\u5e94\u7528\u573a\u666f\u548c\u914d\u7f6e\u53c2\u6570\u7684\u4e0d\u540c\u800c\u6709\u6240\u5dee\u5f02\u3002LoRa\u6280\u672f\u7684\u6700\u5927\u6570\u636e\u901f\u7387\u53ef\u4ee5\u8fbe\u523050 kbps\uff0c\u751a\u81f3\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u4ee5\u8fbe\u523027 kbps\u3002\u7136\u800c\uff0c\u5728\u4e0d\u540c\u7684\u73af\u5883\u548c\u914d\u7f6e\u4e0b\uff0cLoRa\u7684\u5b9e\u9645\u6570\u636e\u901f\u7387\u53ef\u80fd\u4f1a\u66f4\u4f4e\u3002<\/p>\n\n\n\n

\u3000\u3000\u4f8b\u5982\uff0c\u5728\u57ce\u5e02\u6237\u5916\u5927\u90fd\u5e02\u573a\u666f\u4e2d\uff0c\u5f53SF(\u5b50\u8f7d\u6ce2\u6570)\u4e3a12.BW(\u5e26\u5bbd)\u4e3a62.5 kHz\u65f6\uff0cLoRa\u4fe1\u53f7\u7684\u6700\u5927\u6570\u636e\u901f\u7387\u4e3a0.18 kbps;\u800c\u5f53BW\u589e\u52a0\u5230500 kHz\uff0cSF\u4e3a6\u65f6\uff0c\u6700\u5927\u6570\u636e\u901f\u7387\u53ef\u4ee5\u8fbe\u523046.8 kbps\u3002\u5728\u5de5\u4e1a\u7269\u8054\u7f51(IIoT)\u5e94\u7528\u4e2d\uff0cLoRa\u94fe\u8def\u5728\u975e\u89c6\u8ddd(NLoS)\u573a\u666f\u4e0b\u7684\u5e73\u5747\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e3a1.58 kbps\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0cLoRa\u6280\u672f\u7684\u901f\u7387\u8fd8\u53d7\u5230\u6269\u5c55\u56e0\u5b50(SF)\u548c\u7f16\u7801\u7387(CR)\u7684\u5f71\u54cd\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u589e\u52a0SF\u503c\u4f1a\u63d0\u9ad8\u4f20\u8f93\u901f\u7387\uff0c\u800c\u964d\u4f4eCR\u503c\u4f1a\u5bfc\u81f4\u901f\u7387\u4e0b\u964d\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e9b\u5b9e\u9a8c\u4e2d\uff0c\u6700\u9ad8\u901f\u7387\u53ef\u8fbe5.460 bps(\u7ea65.46 kbps)\uff0c\u800c\u6700\u4f4e\u901f\u7387\u4ec5\u4e3a183 bps\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6700\u5927\u901f\u7387\u8868\u73b0\u53d6\u51b3\u4e8e\u591a\u79cd\u56e0\u7d20\uff0c\u5305\u62ec\u5e26\u5bbd\u3001\u6269\u5c55\u56e0\u5b50\u3001\u7f16\u7801\u7387\u4ee5\u53ca\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

LoRa\u6280\u672f\u7684\u6700\u5927\u6570\u636e\u4f20\u8f93\u901f\u7387\u57282.4 GHz\u9891\u6bb5\u4e0a\u53ef\u8fbe253.91 kbit\/s\u3002\u7136\u800c\uff0c\u5728\u5176\u4ed6\u9891\u6bb5\uff0c\u5982868 MHz\uff0cLoRa\u7684\u6700\u5927\u6570\u636e\u4f20\u8f93\u901f\u7387\u901a\u5e38\u9650\u5236\u572837.5 kbps\u3002<\/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],"class_list":["post-99557","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\/99557","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=99557"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99557\/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=99557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=99557"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=99557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}