{"id":94687,"date":"2024-06-28T23:14:33","date_gmt":"2024-06-28T15:14:33","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=94687"},"modified":"2024-06-28T23:14:37","modified_gmt":"2024-06-28T15:14:37","slug":"lssmxy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/94687.html","title":{"rendered":"LoRa\u662f\u4ec0\u4e48\u534f\u8bae"},"content":{"rendered":"\n<p>\u3000\u3000<strong><a href=\"https:\/\/baike.baidu.com\/item\/LoRa\/58702571\" data-type=\"link\" data-id=\"https:\/\/baike.baidu.com\/item\/LoRa\/58702571\" target=\"_blank\" rel=\"noopener\">LoRa<\/a><\/strong>\u662f\u4e00\u79cd\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u4e3b\u8981\u7528\u4e8e\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u7684\u901a\u4fe1\u3002\u5b83\u91c7\u7528\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u7279\u522b\u662f\u5541\u557e\u6269\u9891\u8c31\u8c03\u5236(CSS)\uff0c\u80fd\u591f\u5728\u5bbd\u5e26\u9891\u6bb5\u4e0a\u4f20\u8f93\u4fe1\u53f7\uff0c\u5177\u6709\u5f88\u597d\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<a href=\"https:\/\/www.techphant.cn\/blog\/8048.html\" data-type=\"link\" data-id=\"https:\/\/www.techphant.cn\/blog\/8048.html\">LoRa\u6280\u672f<\/a>\u7684\u6838\u5fc3\u662fLoRa\u8c03\u5236\u89e3\u8c03\u5668\u82af\u7247\uff0c\u901a\u8fc7\u5728\u9891\u57df\u4e0a\u5bf9\u4fe1\u53f7\u8fdb\u884c\u7f16\u7801\u548c\u89e3\u7801\uff0c\u5b9e\u73b0\u4fe1\u53f7\u7684\u957f\u8ddd\u79bb\u4f20\u8f93\u548c\u63a5\u6536\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u652f\u6301\u591a\u79cd\u7ec8\u7aef\u8bbe\u5907\u7c7b\u578b\uff0c\u5305\u62ecA\u7c7b\u3001B\u7c7b\u548cC\u7c7b\u8bbe\u5907\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u5730\u533a\u4f7f\u7528\u4e0d\u540c\u7684\u9891\u6bb5\u548c\u4fe1\u9053\u3002\u6b64\u5916\uff0cLoRa\u6280\u672f\u8fd8\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51(IoT)\u9886\u57df\uff0c\u7279\u522b\u662f\u5728\u667a\u80fd\u57ce\u5e02\u3001\u519c\u4e1a\u76d1\u6d4b\u548c\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9886\u57df\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cLoRa\u672c\u8eab\u662f\u4e00\u79cd\u7269\u7406\u5c42\u6280\u672f\uff0c\u800cLoRaWAN\u5219\u662f\u57fa\u4e8eLoRa\u6280\u672f\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u7528\u4e8e\u5efa\u7acb\u5927\u89c4\u6a21\u516c\u5171\u6216\u79c1\u6709\u7f51\u7edc\u3002LoRaWAN\u5b9a\u4e49\u4e86\u7f51\u7edc\u67b6\u6784\u3001\u8bbe\u5907\u6ce8\u518c\u3001\u5bc6\u7801\u5b89\u5168\u7b49\u65b9\u9762\u7684\u6807\u51c6\uff0c\u4f7f\u8bbe\u5907\u80fd\u591f\u4ee5\u5b89\u5168\u3001\u53ef\u9760\u7684\u65b9\u5f0f\u4e0e\u4e92\u8054\u7f51\u8fde\u63a5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u6280\u672f\u7684\u5de5\u4f5c\u539f\u7406\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u7684\u5de5\u4f5c\u539f\u7406\u4e3b\u8981\u57fa\u4e8e\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u7279\u522b\u662f\u91c7\u7528\u4e86Chirp Spread Spectrum (CSS) \u8c03\u5236\u65b9\u5f0f\u3002\u8fd9\u79cd\u6280\u672f\u901a\u8fc7\u7ebf\u6027\u9891\u7387\u8c03\u5236(LFM)\u4ea7\u751f\u201c\u5541\u557e\u201d\u4fe1\u53f7\uff0c\u6bcf\u4e2a\u6570\u636e\u5305\u7684\u8f7d\u6ce2\u9891\u7387\u968f\u7740\u65f6\u95f4\u7ebf\u6027\u53d8\u5316\uff0c\u4ece\u800c\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u6297\u5e72\u6270\u6027\u7684\u901a\u4fe1\u7279\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRaWAN\u7f51\u7edc\u534f\u8bae\u7684\u5177\u4f53\u5b9e\u73b0\u7ec6\u8282\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n<p>\u3000\u3000<strong><a href=\"https:\/\/www.techphant.cn\/blog\/84881.html\" data-type=\"link\" data-id=\"https:\/\/www.techphant.cn\/blog\/84881.html\">LoRaWAN\u7f51\u7edc\u534f\u8bae<\/a><\/strong>\u7684\u5177\u4f53\u5b9e\u73b0\u7ec6\u8282\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u7269\u7406\u5c42<\/strong>\uff1aLoRaWAN\u4f7f\u7528LoRa\u8c03\u5236\u6280\u672f\u4f5c\u4e3a\u5176\u7269\u7406\u5c42\uff0c\u5229\u7528\u7ebf\u6027\u8c03\u9891\u6269\u9891\u4fe1\u53f7\u4f20\u8f93\u65b9\u5f0f\uff0c\u80fd\u591f\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>MAC\u5c42<\/strong>\uff1aLoRaWAN\u7684MAC\u5c42\u8d1f\u8d23\u8bbe\u5907\u4e0e\u7f51\u7edc\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u5efa\u7acb\u8fc7\u7a0b\uff0c\u5305\u62ec\u8bbe\u5907\u6ce8\u518c\u3001\u8eab\u4efd\u9a8c\u8bc1\u548c\u5bc6\u94a5\u5206\u914d\u7b49\u5173\u952e\u6b65\u9aa4\u3002\u8fd9\u4e9b\u6b65\u9aa4\u786e\u4fdd\u4e86\u8bbe\u5907\u7684\u5408\u6cd5\u6027\u548c\u901a\u8baf\u7684\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7f51\u7edc\u5c42<\/strong>\uff1aLoRaWAN\u7f51\u7edc\u901a\u5e38\u91c7\u7528\u661f\u578b\u62d3\u6251\u7ed3\u6784\uff0c\u7531\u7f51\u5173\u8f6c\u53d1\u7ec8\u7aef\u4e0e\u540e\u53f0\u7f51\u7edc\u670d\u52a1\u5668\u95f4\u7684\u6d88\u606f\u3002\u7f51\u5173\u901a\u8fc7\u6807\u51c6IP\u8fde\u63a5\u6765\u63a5\u5165\u7f51\u7edc\u670d\u52a1\u5668\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e94\u7528\u5c42<\/strong>\uff1a\u5e94\u7528\u5c42\u662fLoRaWAN\u534f\u8bae\u6808\u7684\u6700\u9876\u5c42\uff0c\u8d1f\u8d23\u5904\u7406\u6765\u81ea\u7ec8\u7aef\u8bbe\u5907\u7684\u5e94\u7528\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8f6c\u53d1\u5230\u76f8\u5e94\u7684\u5e94\u7528\u670d\u52a1\u5668\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e27\u683c\u5f0f<\/strong>\uff1aLoRaWAN\u89c4\u8303\u4e2d\u6709\u4e0d\u540c\u7684\u6570\u636e\u5305\uff0c\u901a\u8fc7MType\u5b57\u6bb5\u533a\u5206\uff0c\u603b\u5171\u53ef\u4ee5\u8868\u793a8\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u5165\u7f51\u8bf7\u6c42\u3001\u5165\u7f51\u56de\u590d\u3001\u4e0d\u9700\u8981\u786e\u8ba4\u4e0a\u884c\u6570\u636e\u5305\u3001\u4e0d\u9700\u8981\u786e\u8ba4\u4e0b\u884c\u6570\u636e\u5305\u3001\u9700\u8981\u786e\u8ba4\u4e0a\u884c\u6570\u636e\u5305\u548c\u9700\u8981\u786e\u8ba4\u4e0b\u884c\u6570\u636e\u5305\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7ec8\u7aef\u548c\u7f51\u5173\u7684\u8bbe\u8ba1\u548c\u5b9e\u73b0<\/strong>\uff1aLoRaWAN\u652f\u6301\u591a\u79cd\u7c7b\u522b\u7684\u7ec8\u7aef\u8bbe\u5907(\u5982ClassA\u3001ClassB\u548cClassC)\uff0c\u5e76\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u8bbe\u8ba1\u548c\u5b9e\u73b0\u6307\u5357\u3002\u4f8b\u5982\uff0cClass A\u7ec8\u7aef\u5177\u6709\u4e24\u4e2a\u63a5\u6536\u7a97\u53e3\uff0c\u5141\u8bb8\u53cc\u5411\u901a\u4fe1\uff0c\u4f46\u5728\u53d1\u9001\u540e\u4e0d\u4fdd\u6301\u6253\u5f00\u63a5\u6536\u72b6\u6001\uff0c\u4ee5\u8282\u7701\u7535\u529b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b89\u5168\u6027\u548c\u90e8\u7f72\u65b9\u5f0f<\/strong>\uff1aLoRaWAN\u534f\u8bae\u7684\u5b89\u5168\u6027\u8bbe\u8ba1\u5305\u62ec\u8bbe\u5907\u6ce8\u518c\u3001\u8eab\u4efd\u9a8c\u8bc1\u548c\u5bc6\u94a5\u5206\u914d\u7b49\u6b65\u9aa4\uff0c\u786e\u4fdd\u4e86\u901a\u8baf\u7684\u5b89\u5168\u6027\u3002\u6b64\u5916\uff0cLoRaWAN\u8fd8\u63a2\u8ba8\u4e86\u4e0d\u540c\u7684\u90e8\u7f72\u65b9\u5f0f\u548c\u6280\u672f\u6311\u6218\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 LoRa\u4e0e\u5176\u4ed6\u4f4e\u529f\u8017\u901a\u4fe1\u6280\u672f(\u5982Sigfox\u3001NB-IoT)\u7684\u6bd4\u8f83\u4f18\u52bf\u5728\u54ea\u91cc?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u4e0e\u5176\u4ed6\u4f4e\u529f\u8017\u901a\u4fe1\u6280\u672f(\u5982Sigfox\u3001NB-IoT)\u76f8\u6bd4\uff0c\u5177\u6709\u4ee5\u4e0b\u51e0\u4e2a\u663e\u8457\u4f18\u52bf\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u957f\u8ddd\u79bb\u901a\u4fe1<\/strong>\uff1aLoRa\u6280\u672f\u80fd\u591f\u5b9e\u73b0\u6570\u516c\u91cc\u751a\u81f3\u6570\u5341\u516c\u91cc\u7684\u901a\u4fe1\u8ddd\u79bb\uff0c\u8fd9\u4f7f\u5176\u6210\u4e3a\u8fdc\u8ddd\u79bb\u901a\u4fe1\u7684\u7406\u60f3\u9009\u62e9\u3002\u4f8b\u5982\uff0cLoRa\u7684\u901a\u4fe1\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u523015\u516c\u91cc(\u4e0e\u73af\u5883\u6709\u5173)\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017<\/strong>\uff1aLoRa\u91c7\u7528\u7ebf\u6027\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u9ad8\u8fbe157 dB\u7684\u94fe\u8def\u9884\u7b97\u4f7f\u5176\u5728\u63a5\u6536\u7075\u654f\u5ea6\u65b9\u9762\u5927\u5927\u6539\u5584\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u529f\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u6210\u672c\u548c\u6613\u4e8e\u90e8\u7f72<\/strong>\uff1aLoRa\u6280\u672f\u4e0d\u4ec5\u6210\u672c\u8f83\u4f4e\uff0c\u800c\u4e14\u6613\u4e8e\u90e8\u7f72\uff0c\u9002\u5408\u5927\u89c4\u6a21\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e7f\u8986\u76d6\u8303\u56f4<\/strong>\uff1aLoRa\u9002\u7528\u4e8e\u9700\u8981\u5927\u9762\u79ef\u8986\u76d6\u7684\u573a\u666f\uff0c\u5982\u667a\u80fd\u57ce\u5e02\u548c\u667a\u80fd\u519c\u4e1a\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u76f8\u6bd4\u4e4b\u4e0b\uff0cNB-IoT\u867d\u7136\u4e5f\u5177\u6709\u4f4e\u529f\u8017\u548c\u5e7f\u8986\u76d6\u7684\u7279\u70b9\uff0c\u4f46\u66f4\u6ce8\u91cd\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\uff0c\u9002\u5408\u5bf9\u8fd9\u4e9b\u8981\u6c42\u8f83\u9ad8\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u667a\u80fd\u5bb6\u5c45\u548c\u667a\u80fd\u5065\u5eb7\u3002\u6b64\u5916\uff0cNB-IoT\u662f\u8fd0\u8425\u5546\u5efa\u7f51\u548c\u63d0\u4f9b\u670d\u52a1\uff0c\u800cLoRa\u5219\u662f\u81ea\u5efa\u7f51\u7edc\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRa\u5728\u7269\u8054\u7f51\u9886\u57df\u7684\u5e94\u7528\u6848\u4f8b\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u5728\u7269\u8054\u7f51\u9886\u57df\u7684\u5e94\u7528\u6848\u4f8b\u975e\u5e38\u5e7f\u6cdb\uff0c\u6db5\u76d6\u4e86\u591a\u4e2a\u884c\u4e1a\u548c\u573a\u666f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u4f53\u7684\u6848\u4f8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u667a\u80fd\u519c\u4e1a<\/strong>\uff1a\u901a\u8fc7LoRaWAN\u6280\u672f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8d44\u4ea7\u8ddf\u8e2a\u3001\u667a\u80fd\u704c\u6e89\u548c\u571f\u58e4\u6e7f\u5ea6\u76d1\u6d4b\u7b49\u529f\u80fd\uff0c\u5e2e\u52a9\u519c\u6c11\u63d0\u9ad8\u519c\u4e1a\u751f\u4ea7\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u667a\u6167\u57ce\u5e02<\/strong>\uff1a\u5728\u667a\u6167\u57ce\u5e02\u4e2d\uff0cLoRa\u6280\u672f\u88ab\u7528\u4e8e\u667a\u80fd\u8def\u706f\u7cfb\u7edf\u7b49\u57fa\u7840\u8bbe\u65bd\u7684\u5efa\u8bbe\uff0c\u63d0\u5347\u57ce\u5e02\u7ba1\u7406\u6c34\u5e73\u548c\u5c45\u6c11\u751f\u6d3b\u8d28\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u667a\u80fd\u7269\u6d41<\/strong>\uff1a\u5728\u667a\u80fd\u7269\u6d41\u9886\u57df\uff0cLoRa\u6280\u672f\u88ab\u5e94\u7528\u4e8e\u4ed3\u5e93\u6e29\u6e7f\u5ea6\u76d1\u63a7\uff0c\u786e\u4fdd\u7269\u54c1\u50a8\u5b58\u7684\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u73af\u5883\u76d1\u6d4b<\/strong>\uff1aLoRa\u6280\u672f\u4e5f\u88ab\u7528\u4e8e\u73af\u5883\u76d1\u6d4b\u9879\u76ee\u4e2d\uff0c\u4f8b\u5982\u7a7a\u6c14\u8d28\u91cf\u76d1\u6d4b\u3001\u6c34\u8d28\u76d1\u6d4b\u7b49\uff0c\u5e2e\u52a9\u5b9e\u65f6\u76d1\u63a7\u73af\u5883\u53d8\u5316\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5de5\u4e1a\u7269\u8054\u7f51<\/strong>\uff1a\u5728\u5de5\u4e1a\u7269\u8054\u7f51\u4e2d\uff0cLoRa\u6280\u672f\u88ab\u7528\u4e8e\u8bbe\u5907\u72b6\u6001\u76d1\u6d4b\u3001\u80fd\u8017\u7ba1\u7406\u7b49\uff0c\u5e2e\u52a9\u4f01\u4e1a\u4f18\u5316\u751f\u4ea7\u6d41\u7a0b\u548c\u964d\u4f4e\u8fd0\u8425\u6210\u672c\u3002<\/li>\n<\/ul>\n\n\n\n<h2 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