{"id":99422,"date":"2024-11-21T15:51:31","date_gmt":"2024-11-21T07:51:31","guid":{"rendered":"\/\/www.viralrail.com\/?p=99422"},"modified":"2024-11-21T15:51:35","modified_gmt":"2024-11-21T07:51:35","slug":"lwxtxmkkyztcm","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99422.html","title":{"rendered":"LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u53ef\u4ee5\u505a\u56fe\u4f20\u5417\uff1f"},"content":{"rendered":"\n<p>\u3000\u3000<strong>LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757<\/strong>\u7406\u8bba\u4e0a\u53ef\u4ee5\u7528\u4e8e\u56fe\u50cf\u4f20\u8f93\uff0c\u4f46\u5b83\u5e76\u4e0d\u9002\u5408\u7528\u4e8e\u9ad8\u8d28\u91cf\u6216\u5927\u6570\u636e\u91cf\u7684\u5b9e\u65f6\u56fe\u50cf\u4f20\u8f93\u3002\u8fd9\u662f\u56e0\u4e3aLoRa\u7684\u8bbe\u8ba1\u521d\u8877\u662f\u4f4e\u529f\u8017\u3001\u8fdc\u8ddd\u79bb\u3001\u4f4e\u901f\u7387\u7684\u901a\u4fe1\uff0c\u9650\u5236\u4e86\u5b83\u5728\u9ad8\u6570\u636e\u91cf\u4f20\u8f93\u573a\u666f\u7684\u8868\u73b0\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u5206\u6790\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"726\" height=\"450\" src=\"\/\/www.viralrail.com\/wp-content\/uploads\/2024\/08\/lorawantpunb240826a.jpg\" alt=\"lora\" class=\"wp-image-97162\" srcset=\"\/\/www.viralrail.com\/wp-content\/uploads\/2024\/08\/lorawantpunb240826a.jpg 726w, \/\/www.viralrail.com\/wp-content\/uploads\/2024\/08\/lorawantpunb240826a-300x186.jpg 300w, \/\/www.viralrail.com\/wp-content\/uploads\/2024\/08\/lorawantpunb240826a-600x372.jpg 600w\" sizes=\"(max-width: 726px) 100vw, 726px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001&nbsp;LoRa\u6a21\u5757\u7684\u901a\u4fe1\u7279\u6027<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u4f4e\u901f\u7387<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u7684\u901a\u4fe1\u901f\u7387\u901a\u5e38\u5728\u51e0\u767ebps\u5230\u51e0kbps\u4e4b\u95f4\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5e26\u5bbd\u3001\u6269\u9891\u56e0\u5b50(SF)\u548c\u4fe1\u9053\u914d\u7f6e\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5e26\u5bbd\u4e3a125 kHz\uff0c\u6269\u9891\u56e0\u5b50\u4e3aSF12\u65f6\uff0c\u901f\u7387\u7ea6\u4e3a250 bps\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5e26\u5bbd\u4e3a500 kHz\uff0c\u6269\u9891\u56e0\u5b50\u4e3aSF7\u65f6\uff0c\u901f\u7387\u53ef\u8fbe\u52309.375 kbps\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8fd9\u79cd\u901f\u7387\u4e0b\uff0c\u4f20\u8f93\u5927\u6570\u636e\u91cf(\u5982\u56fe\u7247)\u9700\u8981\u8f83\u957f\u65f6\u95f4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u957f\u8ddd\u79bb<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u53ef\u4ee5\u5728\u51e0\u516c\u91cc\u5230\u5341\u51e0\u516c\u91cc\u7684\u8303\u56f4\u5185\u5b9e\u73b0\u53ef\u9760\u901a\u4fe1\uff0c\u9002\u5408\u8986\u76d6\u5e7f\u57df\u4f46\u975e\u5b9e\u65f6\u4f20\u8f93\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u4f4e\u529f\u8017<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u9002\u5408\u7269\u8054\u7f51\u8bbe\u5907\uff0c\u4f46\u5728<strong>\u957f\u65f6\u95f4\u56fe\u50cf\u4f20\u8f93\u4e2d\uff0c\u53ef\u80fd\u9762\u4e34\u8017\u65f6\u8fc7\u957f\u7684\u95ee\u9898\u3002<\/strong><\/p>\n\n\n\n<p>\u3000\u3000<strong>LoRa\u6a21\u5757\u53ef\u4ee5\u7528\u4e8e\u5c0f\u56fe\u7247\u6216\u975e\u5b9e\u65f6\u56fe\u50cf\u4f20\u8f93\uff0c\u4f46\u7531\u4e8e\u901f\u7387\u9650\u5236\uff0c\u5b83\u5e76\u4e0d\u9002\u5408\u5927\u6570\u636e\u91cf\u3001\u9ad8\u901f\u7387\u7684\u56fe\u4f20\u9700\u6c42\u3002<\/strong>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u63a8\u8350\u7ed3\u5408LoRa\u4e0e\u5176\u4ed6\u9ad8\u901f\u901a\u4fe1\u6280\u672f(\u5982Wi-Fi)\u4ee5\u6ee1\u8db3\u7279\u5b9a\u9700\u6c42\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u56fe\u50cf\u4f20\u8f93\u65b9\u9762\u7684\u5b9e\u9645\u5e94\u7528<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u56fe\u50cf\u4f20\u8f93\u65b9\u9762\u7684\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7ea2\u6811\u6797\u76d1\u6d4b<\/strong>\uff1a\u5728\u9a6c\u6765\u897f\u4e9aSabak Bernam\u5730\u533a\u7684\u7ea2\u6811\u6797\u76d1\u6d4b\u9879\u76ee\u4e2d\uff0cLoRa\u6280\u672f\u88ab\u7528\u4e8e\u4f20\u8f93\u7531\u56fe\u50cf\u4f20\u611f\u5668\u6355\u83b7\u7684\u7ea2\u6811\u6797\u56fe\u50cf\u3002\u8fd9\u4e00\u5e94\u7528\u5c55\u793a\u4e86LoRa\u5728WSN(\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc)\u4e2d\u7684\u9996\u6b21\u4f7f\u7528\uff0c\u7528\u4e8e\u73af\u5883\u76d1\u6d4b\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u91ce\u5916\u76d1\u63a7\u7cfb\u7edf<\/strong>\uff1a\u4e00\u79cd\u57fa\u4e8e\u7269\u8054\u7f51\u6280\u672f\u7684\u91ce\u5916\u76d1\u63a7\u56fe\u50cf\u81ea\u52a8\u4f20\u8f93\u7cfb\u7edf\u5229\u7528LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5b9e\u73b0\u91ce\u751f\u52a8\u7269\u76d1\u6d4b\u6570\u636e\u7684\u4f20\u8f93\u3002\u8be5\u7cfb\u7edf\u914d\u7f6e\u4e862.4GHz Wi-Fi\u30015GHz Wi-Fi\u548cLoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\uff0c\u5176\u4e2dLoRa\u6a21\u5757\u7528\u4e8e\u63a5\u6536\u65e0\u4eba\u673a\u53d1\u51fa\u7684\u5524\u9192\u6307\u4ee4\uff0c\u4ee5\u5524\u9192\u9ad8\u529f\u8017\u76845GHz Wi-Fi\u6a21\u5757\uff0c\u8fdb\u800c\u5c06\u91c7\u96c6\u5230\u7684\u6570\u636e\u8f6c\u53d1\u81f3\u65e0\u4eba\u673a\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8461\u8404\u53f6\u75be\u75c5\u8bc6\u522b<\/strong>\uff1a\u7814\u7a76\u4e2d\u63a2\u8ba8\u4e86LoRa\u534f\u8bae\u5728\u8461\u8404\u53f6\u75be\u75c5\u8bc6\u522b\u4e2d\u7684\u5e94\u7528\u3002\u901a\u8fc7\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u4ee5\u51cf\u5c0f\u56fe\u50cf\u5927\u5c0f\uff0c\u6210\u529f\u5730\u4f7f\u7528LoRa\u534f\u8bae\u53d1\u9001\u8461\u8404\u53f6\u56fe\u50cf\u3002\u5c3d\u7ba1\u5b58\u5728\u6700\u5927\u5360\u7a7a\u6bd4\u9650\u5236(1%)\uff0c\u4f46\u5b9e\u9a8c\u8868\u660e\u5373\u4f7f\u572850%\u7684\u56fe\u50cf\u4e22\u5931\u60c5\u51b5\u4e0b\uff0c\u5377\u79ef\u795e\u7ecf\u7f51\u7edc(CNN)\u6a21\u578b\u4ecd\u80fd\u6709\u6548\u8bc6\u522b\u8461\u8404\u53f6\u75be\u75c5\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u519c\u4e1aIoT\u5e73\u53f0\u4e0a\u7684\u56fe\u50cf\u76d1\u63a7<\/strong>\uff1aChen\u7b49\u4eba\u63d0\u51fa\u4e86MPLR\u534f\u8bae\uff0c\u7528\u4e8eLoRa\u7f51\u7edc\u4e2d\u7684\u56fe\u50cf\u8c03\u5ea6\uff0c\u4ee5\u5b9e\u73b0\u519c\u4e1aIoT\u5e73\u53f0\u4e0a\u7684\u56fe\u50cf\u76d1\u63a7\u3002\u6b64\u5916\uff0cJi\u7b49\u4eba\u63d0\u51fa\u4e86\u4e00\u79cd\u65b9\u6cd5\uff0c\u5c06\u56fe\u50cf\u4f20\u8f93\u5230\u5fae\u5c0f\u7684\u7f51\u683c\u5757\u4e2d\uff0c\u53ea\u6709\u5728\u68c0\u6d4b\u5230\u53d8\u5316\u65f6\u624d\u53d1\u9001\u7f51\u683c\u5757\uff0c\u4ece\u800c\u5728\u76d1\u63a7\u9759\u6001\u519c\u4e1a\u7ad9\u70b9\u65f6\u4fdd\u7559\u4e86\u663e\u8457\u7684\u94fe\u8def\u9884\u7b97\u5e76\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5982\u4f55\u901a\u8fc7LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u8fdb\u884c\u56fe\u50cf\u6216\u89c6\u9891\u4fe1\u53f7\u7684\u7f16\u7801\u548c\u89e3\u7801?<\/h2>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u8fdb\u884c\u56fe\u50cf\u6216\u89c6\u9891\u4fe1\u53f7\u7684\u7f16\u7801\u548c\u89e3\u7801\u6d89\u53ca\u591a\u4e2a\u6b65\u9aa4\uff0c\u5305\u62ec\u56fe\u50cf\u5904\u7406\u3001\u5206\u7c7b\u3001\u538b\u7f29\u611f\u77e5\u3001LoRa\u7b26\u53f7\u7684\u4f20\u8f93\u4e0e\u63a5\u6536\u3001\u540e\u5904\u7406\u4ee5\u53ca\u56fe\u50cf\u91cd\u5efa\u6280\u672f\u3002\u9996\u5148\uff0c\u56fe\u50cf\u88ab\u5206\u7c7b\u4e3a\u6b63\u5e38\u6216\u5f02\u5e38\u7279\u5f81\uff0c\u4ec5\u4f20\u8f93\u5f02\u5e38\u6837\u672c\u3002\u5f02\u5e38\u6837\u672c\u4f7f\u7528\u5c0f\u6ce2\u53d8\u6362\u8f6c\u6362\uff0c\u7136\u540e\u4e0eCS\u64cd\u4f5c\u7ed3\u5408\uff0c\u7ed3\u679c\u63d0\u4f9b\u5305\u542b\u5341\u8fdb\u5236\u548c\u8d1f\u6570\u7684\u7a00\u758f\u5411\u91cf\u3002\u8fd9\u4e9b\u7a00\u758f\u5411\u91cf\u4fe1\u606f\u9700\u8981\u7f16\u7801\u4e3aLoRa\u7b26\u53f7\u652f\u6301\u7684\u6570\u636e\uff0c\u5b9e\u73b0\u5177\u67098\u4f4d\u7ed3\u6784\u7684\u7f16\u7801\u5668\u548c\u89e3\u7801\u5668\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728LoRa\u8c03\u5236\u8fc7\u7a0b\u4e2d\uff0cLoRa\u91c7\u7528Chirp Spread 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