{"id":99804,"date":"2024-12-06T17:35:42","date_gmt":"2024-12-06T09:35:42","guid":{"rendered":"\/\/www.viralrail.com\/?p=99804"},"modified":"2024-12-06T17:35:46","modified_gmt":"2024-12-06T09:35:46","slug":"lxysydpdhwxayctm-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99804.html","title":{"rendered":"LoRaWAN\u534f\u8bae\u4f7f\u7528\u7684\u9891\u6bb5\u548c\u65e0\u7ebfAP\u6709\u51b2\u7a81\u5417"},"content":{"rendered":"\n<p>\u3000\u3000<strong>LoRaWAN\u534f\u8bae<\/strong>\u4f7f\u7528\u7684\u9891\u6bb5\u4e3b\u8981\u662f\u4e9a\u5343\u5146\u8d6b\u5179(sub-GHz)\u9891\u6bb5\uff0c\u8fd9\u4e9b\u9891\u6bb5\u5305\u62ec433 MHz\u3001868 MHz\u548c915 MHz\u7b49\u3002\u8fd9\u4e9b\u9891\u6bb5\u901a\u5e38\u88ab\u7528\u4e8e\u7269\u8054\u7f51(IoT)\u8bbe\u5907\u7684\u957f\u8ddd\u79bb\u4f4e\u529f\u8017\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u65e0\u7ebf\u5c40\u57df\u7f51(WLAN)\uff0c\u901a\u5e38\u6307\u7684\u662fWi-Fi\u6280\u672f\uff0c\u4e3b\u8981\u57282.4 GHz\u548c5 GHz\u7684ISM\u9891\u6bb5\u4e0a\u8fd0\u884c\u3002\u56e0\u6b64\uff0cLoRaWAN\u548cWi-Fi\u4f7f\u7528\u7684\u9891\u6bb5\u4e0d\u540c\uff0cLoRaWAN\u4e3b\u8981\u5728\u4f4e\u4e8e1 GHz\u7684\u9891\u6bb5\u5de5\u4f5c\uff0c\u800cWi-Fi\u5219\u57282.4 GHz\u548c5 GHz\u9891\u6bb5\u5de5\u4f5c\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7531\u4e8eLoRaWAN\u548cWi-Fi\u4f7f\u7528\u4e0d\u540c\u7684\u9891\u6bb5\uff0c\u56e0\u6b64\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u5b83\u4eec\u4e4b\u95f4\u4e0d\u4f1a\u4ea7\u751f\u76f4\u63a5\u7684\u9891\u6bb5\u51b2\u7a81\u3002\u7136\u800c\uff0c\u5982\u679c\u5728\u540c\u4e00\u533a\u57df\u5185\u540c\u65f6\u4f7f\u7528\u8fd9\u4e24\u79cd\u6280\u672f\uff0c\u5e76\u4e14\u8bbe\u5907\u7684\u5929\u7ebf\u8bbe\u8ba1\u4e0d\u5f53\u6216\u5b58\u5728\u5176\u4ed6\u5e72\u6270\u56e0\u7d20\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u5e72\u6270\u6216\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\uff0cLo\u5916RaWAN\u534f\u8bae\u672c\u8eab\u5177\u6709\u6297\u5e72\u6270\u80fd\u529b\uff0c\u56e0\u4e3a\u5b83\u91c7\u7528\u6269\u9891\u6280\u672f(CSS)\uff0c\u4f7f\u5f97\u5176\u4fe1\u53f7\u5728\u566a\u58f0\u73af\u5883\u4e2d\u4f9d\u7136\u80fd\u591f\u4fdd\u6301\u8f83\u597d\u7684\u901a\u4fe1\u8d28\u91cf\u3002\u7136\u800c\uff0c\u5982\u679c\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u5728\u540c\u4e00ISM\u9891\u6bb5\u5185\u8fd0\u884c\uff0c\u4ecd\u6709\u53ef\u80fd\u4ea7\u751f\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRaWAN\u534f\u8bae\u4f7f\u7528\u7684\u9891\u6bb5\u4e0e\u65e0\u7ebfAP(\u65e0\u7ebf\u63a5\u5165\u70b9)\u4f7f\u7528\u7684\u9891\u6bb5\u4e00\u822c\u4e0d\u4f1a\u53d1\u751f\u51b2\u7a81\uff0c\u56e0\u4e3a\u5b83\u4eec\u4f7f\u7528\u4e0d\u540c\u7684\u9891\u6bb5\u3002\u4f46\u5728\u5b9e\u9645\u90e8\u7f72\u4e2d\uff0c\u4ecd\u9700\u6ce8\u610f\u53ef\u80fd\u5b58\u5728\u7684\u5e72\u6270\u95ee\u9898\uff0c\u5e76\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\u6765\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRaWAN\u534f\u8bae\u5728\u4e0d\u540c\u56fd\u5bb6\u548c\u5730\u533a\u7684\u9891\u6bb5\u4f7f\u7528\u60c5\u51b5<\/h2>\n\n\n\n<p>\u3000\u3000LoRaWAN\u534f\u8bae\u5728\u4e0d\u540c\u56fd\u5bb6\u548c\u5730\u533a\u7684\u9891\u6bb5\u4f7f\u7528\u60c5\u51b5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u6b27\u6d32<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u4e3b\u8981\u4f7f\u7528863-870 MHz\u9891\u6bb5\uff0c\u90e8\u5206\u56fd\u5bb6\u8fd8\u4f7f\u7528433 MHz\u9891\u6bb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0c\u6b27\u6d32\u7684LoRaWAN\u4e3b\u8981\u91c7\u7528EU868\u9891\u6bb5\uff0c\u5de5\u4f5c\u9891\u7387\u4e3a868 MHz\u3002\u6b64\u5916\uff0c\u4fc4\u7f57\u65af\u91c7\u7528\u7684\u9891\u6bb5\u4e3a864-870 MHz\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u5317\u7f8e<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u7f8e\u56fd\u548c\u52a0\u62ff\u5927\u4e3b\u8981\u4f7f\u7528902-928 MHz\u9891\u6bb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0c\u7f8e\u56fd\u7684LoRaWAN\u9891\u7387\u8303\u56f4\u4ece902.3 MHz\u5f00\u59cb\uff0c\u6700\u9ad8\u8fbe\u5230914.9 MHz\uff0c\u63d0\u4f9b64\u4e2a\u4e0a\u884c\u94fe\u8def\u9891\u9053\u548c8\u4e2a\u4e0b\u884c\u94fe\u8def\u9891\u9053\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u4e9a\u592a\u5730\u533a<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u4e9a\u592a\u5730\u533a\u7684\u4e00\u4e9b\u56fd\u5bb6\u548c\u5730\u533a\u91c7\u7528923 MHz\u9891\u6bb5(AS923)\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u6fb3\u5927\u5229\u4e9a\u548c\u65b0\u897f\u5170\u91c7\u7528915-928 MHz\u9891\u6bb5(AU915-928)\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u65e5\u672c\u4f7f\u7528920-923 MHz\u9891\u6bb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5370\u5ea6\u4f7f\u7528865-867 MHz\u9891\u6bb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u6cf0\u56fd\u548c\u97e9\u56fd\u4e5f\u6709\u7279\u5b9a\u7684\u9891\u6bb5\u4f7f\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u4e2d\u56fd<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u4e2d\u56fd\u4f7f\u7528779-787 MHz\u548c470-510 MHz\u9891\u6bb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0c\u4e2d\u56fd779-787 MHz\u9891\u6bb5\u8981\u6c42EIRP\u5c0f\u4e8e12dBm\uff0c\u800c470-510 MHz\u9891\u6bb5\u6839\u636e\u5929\u7ebf\u7c7b\u578b\u5206\u4e3a20MHz\u548c26MHz\u5929\u7ebf\uff0c\u6bcf\u79cd\u5929\u7ebf\u53c8\u7ec6\u5206\u4e3aA\u7c7b\u548cB\u7c7b\uff0c\u5177\u4f53\u9891\u7387\u548c\u4fe1\u9053\u914d\u7f6e\u8be6\u5217\u4e8e\u8868\u683c\u4e2d\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005.&nbsp;<strong>\u5176\u4ed6\u5730\u533a<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u963f\u5bcc\u6c57\u3001\u963f\u5c14\u5df4\u5c3c\u4e9a\u3001\u963f\u5170\u7fa4\u5c9b\u3001\u5b89\u54e5\u62c9\u7b49\u56fd\u5bb6\u7684\u9891\u6bb5\u89c4\u5212\u4e0eLoRaWAN\u7684\u6807\u51c6\u4e00\u81f4\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u4e2d\u56fd(CN)\u7684\u9891\u6bb5\u89c4\u5212\u4e0eLoRaWAN\u7684\u6807\u51c6\u4e0d\u5b8c\u5168\u4e00\u81f4\uff0c\u5b58\u5728\u5dee\u5f02\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000LoRaWAN\u534f\u8bae\u5728\u4e0d\u540c\u56fd\u5bb6\u548c\u5730\u533a\u7684\u9891\u6bb5\u4f7f\u7528\u60c5\u51b5\u56e0\u5730\u533a\u800c\u5f02\uff0c\u4e3b\u8981\u96c6\u4e2d\u5728ISM\u9891\u6bb5\uff0c\u5982868 MHz\u3001915 MHz\u3001433 MHz\u3001923 MHz\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRaWAN\u534f\u8bae\u7684\u6269\u9891\u6280\u672f(CSS)\u5982\u4f55\u5177\u4f53\u5b9e\u73b0\u6297\u5e72\u6270\u80fd\u529b?<\/h2>\n\n\n\n<p>\u3000\u3000LoRaWAN\u534f\u8bae\u4e2d\u7684\u6269\u9891\u6280\u672f(Chirp Spread Spectrum, CSS)\u901a\u8fc7\u4ee5\u4e0b\u5177\u4f53\u65b9\u5f0f\u5b9e\u73b0\u6297\u5e72\u6270\u80fd\u529b\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4fe1\u53f7\u6269\u5c55\u4e0e\u9891\u8c31\u6269\u5c55<\/strong>\uff1aCSS\u8c03\u5236\u6280\u672f\u901a\u8fc7\u5f15\u5165\u4e00\u79cd\u79f0\u4e3a\u201cchirp\u201d\u7684\u7ebf\u6027\u9891\u7387\u53d8\u5316\u4fe1\u53f7\u6765\u5b9e\u73b0\u4fe1\u53f7\u7684\u6269\u5c55\u3002\u8fd9\u79cd\u7ebf\u6027\u9891\u7387\u53d8\u5316\u4f7f\u5f97\u539f\u59cb\u6570\u636e\u4fe1\u53f7\u5728\u65f6\u95f4\u8f74\u4e0a\u5448\u73b0\u4e3a\u4e00\u4e2a\u4ece\u4f4e\u9891\u5230\u9ad8\u9891\u7684\u626b\u9891\u8fc7\u7a0b\uff0c\u4ece\u800c\u5c06\u6570\u636e\u7f16\u7801\u5230\u4e00\u7cfb\u5217\u8fde\u7eed\u7684\u9891\u7387\u53d8\u5316\u4e0a\u3002\u8fd9\u79cd\u9891\u8c31\u6269\u5c55\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u964d\u4f4e\u4e86\u4fe1\u53f7\u88ab\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u5e72\u6270\u7684\u6982\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6269\u9891\u56e0\u5b50\uff08Spreading Factor, SF\uff09\u7684\u4f7f\u7528<\/strong>\uff1aCSS\u8c03\u5236\u4f7f\u7528\u6269\u9891\u56e0\u5b50(SF)\u6765\u63a7\u5236\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u4e0e\u5bf9\u566a\u58f0\u7684\u62b5\u6297\u6027\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u66f4\u9ad8\u7684SF\u503c\u63d0\u4f9b\u66f4\u5f3a\u7684\u566a\u58f0\u62b5\u6297\u6027\uff0c\u4f46\u4f1a\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u901f\u5ea6;\u800c\u8f83\u4f4e\u7684SF\u503c\u5219\u53ef\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\uff0c\u4f46\u566a\u58f0\u62b5\u6297\u6027\u4f1a\u964d\u4f4e\u3002\u901a\u5e38\uff0cSF\u503c\u57287\u523012\u4e4b\u95f4\uff0c\u5176\u4e2d12\u7684SF\u503c\u53ef\u4ee5\u63d0\u4f9b\u6700\u5927\u7684\u8ddd\u79bb\u548c\u6700\u4f4e\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\uff0c\u800c7\u7684SF\u503c\u5219\u53ef\u4ee5\u63d0\u4f9b\u6700\u5feb\u7684\u4f20\u8f93\u901f\u5ea6\uff0c\u4f46\u8ddd\u79bb\u8f83\u77ed\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u524d\u5411\u7ea0\u9519\u7f16\u7801<\/strong>\uff1aLoRa\u7ed3\u5408\u4e86\u6269\u9891\u8c03\u5236\u4e0e\u5faa\u73af\u7ea0\u9519\u7f16\u7801\u6280\u672f\uff0c\u8fd9\u4e0d\u4ec5\u6269\u5927\u4e86\u65e0\u7ebf\u901a\u8baf\u94fe\u8def\u7684\u8986\u76d6\u8303\u56f4\uff0c\u8fd8\u663e\u8457\u63d0\u9ad8\u4e86\u94fe\u8def\u7684\u9c81\u68d2\u6027\u548c\u6297\u5e72\u6270\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9891\u7387\u4e0a\u884c\u548c\u4e0b\u884c\u6a21\u5f0f<\/strong>\uff1aCSS\u8c03\u5236\u5206\u4e3a\u4e24\u79cd\u6a21\u5f0f\uff1a\u9891\u7387\u4e0a\u884c(up-chirp)\u548c\u9891\u7387\u4e0b\u884c(down-chirp)\u3002\u8fd9\u4e24\u79cd\u6a21\u5f0f\u5206\u522b\u7528\u4e8e\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7ebf\u6027\u8c03\u9891\u6269\u9891\uff08Chirp Spread Spectrum, CSS\uff09<\/strong>&nbsp;\uff1aCSS\u901a\u8fc7\u5c06\u4fe1\u606f\u5d4c\u5165\u5230\u7ebf\u6027\u53d8\u5316\u7684\u9891\u7387\u4fe1\u53f7\u4e2d\uff0c\u5b9e\u73b0\u4fe1\u53f7\u7684\u8c03\u5236\u548c\u89e3\u8c03\u3002\u7531\u4e8e\u4fe1\u53f7\u9891\u7387\u968f\u65f6\u95f4\u7ebf\u6027\u53d8\u5316\uff0cCSS\u5bf9\u7a84\u5e26\u5e72\u6270\u6709\u5f88\u5f3a\u7684\u62b5\u6297\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4eff\u771f\u9a8c\u8bc1<\/strong>\uff1a\u901a\u8fc7\u4eff\u771f\u9a8c\u8bc1\u4e86LoRa\u5728\u5355\u97f3\u5e72\u6270\u4e0b\u7684\u6297\u5e72\u6270\u6027\u80fd\uff0c\u4ee5\u53ca\u4e0d\u540c\u6269\u9891\u56e0\u5b50\u7684\u6297\u5e72\u6270\u6548\u679c\uff0c\u5c55\u793a\u4e86\u968f\u7740\u6269\u9891\u56e0\u5b50\u589e\u5927\uff0c\u6297\u5e72\u6270\u6027\u80fd\u63d0\u5347\u7684\u8d8b\u52bf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 LoRaWAN\u4e0eWi-Fi\u5171\u5b58\u65f6\uff0c\u6709\u54ea\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u51cf\u5c11\u5e72\u6270?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u5b9e\u9645\u90e8\u7f72\u4e2d\uff0cLoRaWAN\u4e0eWi-Fi\u5171\u5b58\u65f6\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u65b9\u6cd5\u6765\u51cf\u5c11\u5e72\u6270\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u62e9\u5408\u9002\u7684\u9891\u6bb5<\/strong>\uff1a\u867d\u7136LoRaWAN\u548cWi-Fi\u901a\u5e38\u5de5\u4f5c\u5728\u4e0d\u540c\u7684\u9891\u6bb5(LoRaWAN\u5728Sub-GHz\u9891\u6bb5\uff0c\u5982433MHz\u3001868MHz\uff0c\u800cWi-Fi\u57282.4GHz\u62165GHz\u9891\u6bb5)\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u7279\u522b\u662f\u5728\u5bc6\u96c6\u7684\u65e0\u7ebf\u4f20\u611f\u7f51\u7edc\u90e8\u7f72\u4e2d\uff0c\u4ecd\u53ef\u80fd\u51fa\u73b0\u4fe1\u53f7\u5e72\u6270\u3002\u56e0\u6b64\uff0c\u5408\u7406\u89c4\u5212\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\uff0c\u907f\u514d\u5728\u540c\u4e00\u9891\u6bb5\u5185\u4f7f\u7528\u591a\u4e2a\u8bbe\u5907\uff0c\u662f\u51cf\u5c11\u5e72\u6270\u7684\u6709\u6548\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8c03\u6574\u4fe1\u9053\u548c\u4f20\u8f93\u529f\u7387<\/strong>\uff1a\u901a\u8fc7\u8c03\u6574LoRaWAN\u8bbe\u5907\u7684\u4fe1\u9053\u548c\u4f20\u8f93\u529f\u7387\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u51cf\u5c11\u4e0eWi-Fi\u4fe1\u53f7\u7684\u5e72\u6270\u3002\u4f8b\u5982\uff0c\u5728\u4fe1\u53f7\u8def\u5f84\u53d7\u963b\u6216\u8bbe\u5907\u8ddd\u79bb\u8f83\u8fdc\u7684\u60c5\u51b5\u4e0b\uff0c\u9002\u5f53\u589e\u52a0\u8bbe\u5907\u4f20\u8f93\u529f\u7387\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u8d28\u91cf\uff0c\u4f46\u9700\u6ce8\u610f\u9632\u6b62\u8fc7\u591a\u7684\u529f\u8017\u548c\u5bf9\u5468\u56f4\u8bbe\u5907\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f7f\u7528\u4fe1\u53f7\u8fc7\u6ee4\u5668\u548c\u5929\u7ebf\u65b9\u5411\u6027\u8bbe\u7f6e<\/strong>\uff1a\u901a\u8fc7\u4f7f\u7528\u4fe1\u53f7\u8fc7\u6ee4\u5668\u548c\u8c03\u6574\u5929\u7ebf\u7684\u65b9\u5411\u6027\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11LoRaWAN\u548cWi-Fi\u4e4b\u95f4\u7684\u76f8\u4e92\u5e72\u6270\u3002\u8fd9\u5305\u62ec\u9009\u62e9\u5408\u9002\u7684\u5929\u7ebf\u6750\u8d28\u548c\u786e\u4fdd\u826f\u597d\u7684\u63a5\u5730\u63aa\u65bd\uff0c\u4ee5\u51cf\u5c11\u5e72\u6270\u5e76\u589e\u52a0\u7535\u5b50\u5143\u4ef6\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7a7a\u95f4\u5206\u79bb<\/strong>\uff1a\u5728\u5e94\u7528\u7a0b\u5e8f\u7528\u4f8b\u5141\u8bb8\u7684\u60c5\u51b5\u4e0b\uff0c\u7b80\u5355\u5730\u907f\u514d\u5c06LoRaWAN\u7ec8\u7aef\u4e0eWi-Fi\u7ec8\u7aef\u653e\u7f6e\u5728\u540c\u4e00\u4f4d\u7f6e\uff0c\u662f\u907f\u514d\u6216\u51cf\u5c11\u65e0\u7ebf\u7535\u7cfb\u7edf\u4e4b\u95f4\u6f5c\u5728\u5e72\u6270\u7684\u6700\u7b80\u5355\u548c\u6700\u6709\u6548\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5229\u7528\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387\uff08ADR\uff09\u6280\u672f<\/strong>\uff1aLoRaWAN\u7684\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387(ADR)\u529f\u80fd\u5141\u8bb8\u8bbe\u5907\u6839\u636e\u7f51\u7edc\u72b6\u51b5\u52a8\u6001\u8c03\u6574\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u51cf\u5c11\u7a7a\u95f2\u65f6\u95f4\u548c\u78b0\u649e\u98ce\u9669\u3002\u8fd9\u79cd\u6280\u672f\u53ef\u4ee5\u786e\u4fdd\u5373\u4f7f\u5728\u5b58\u5728Wi-Fi\u5e72\u6270\u7684\u60c5\u51b5\u4e0b\uff0cLoRaWAN\u4fe1\u53f7\u4e5f\u80fd\u81ea\u52a8\u8c03\u6574\u4ee5\u4fdd\u6301\u6709\u6548\u8fd0\u884c\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5b9e\u65bd\u591a\u8def\u5f84\u4f20\u8f93\u6280\u672f<\/strong>\uff1a\u901a\u8fc7\u90e8\u7f72\u591a\u4e2a\u7f51\u5173\uff0c\u5408\u5e76\u6765\u81ea\u4e0d\u540c\u8def\u5f84\u7684\u4fe1\u53f7\uff0c\u53ef\u4ee5\u589e\u5f3a\u4fe1\u53f7\u8d28\u91cf\u548c\u7a33\u5b9a\u6027\u3002\u8fd9\u79cd\u65b9\u6cd5\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u53ef\u9760\u6027\u7684\u7269\u8054\u7f51\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5408\u7406\u89c4\u5212\u9891\u9053<\/strong>\uff1a\u907f\u514d\u9891\u9053\u8fc7\u8f7d\uff0c\u5408\u7406\u89c4\u5212\u9891\u9053\u5206\u914d\uff0c\u786e\u4fdd\u6bcf\u4e2a\u8bbe\u5907\u90fd\u6709\u8db3\u591f\u7684\u9891\u8c31\u8d44\u6e90\u8fdb\u884c\u901a\u4fe1\uff0c\u4ece\u800c\u51cf\u5c11\u56e0\u9891\u8c31\u7ade\u4e89\u5f15\u8d77\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5b9e\u65bd\u542c\u524d\u8bf4\uff08LBT\uff09\u6280\u672f<\/strong>\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5b9e\u65bd\u542c\u524d\u8bf4(LBT)\u6280\u672f\uff0c\u5373\u5728\u53d1\u9001\u6570\u636e\u524d\u5148\u68c0\u67e5\u65e0\u7ebf\u7535\u9891\u8c31\u6d3b\u52a8\uff0c\u53ef\u4ee5\u51cf\u5c11\u6f5c\u5728\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRaWAN\u534f\u8bae\u4e0e\u5176\u4ed6\u65e0\u7ebf\u6280\u672f\u5728\u540c\u4e00\u9891\u6bb5\u8fd0\u884c\u65f6\u7684\u5e72\u6270\u95ee\u9898<\/h2>\n\n\n\n<p>\u3000\u3000LoRaWAN\u534f\u8bae\u4e0e\u5176\u4ed6\u65e0\u7ebf\u6280\u672f(\u5982\u84dd\u7259\u3001Zigbee)\u5728\u540c\u4e00\u9891\u6bb5\u8fd0\u884c\u65f6\uff0c\u53ef\u80fd\u4f1a\u4ea7\u751f\u5e72\u6270\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u5206\u6790\u548c\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u5e72\u6270\u95ee\u9898<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u9891\u6bb5\u91cd\u53e0<\/strong>\uff1aZigbee\u901a\u5e38\u5de5\u4f5c\u57282.4GHz\u9891\u6bb5\uff0c\u800cWi-Fi\u548c\u84dd\u7259\u4e5f\u4f7f\u7528\u76f8\u540c\u7684\u9891\u6bb5\uff0c\u8fd9\u5bfc\u81f4\u4e86\u4e25\u91cd\u7684\u9891\u5e26\u5360\u7528\u548c\u5e72\u6270\u95ee\u9898\u3002LoRaWAN\u867d\u7136\u4e3b\u8981\u4f7f\u7528\u4e0d\u540c\u7684\u9891\u6bb5(\u5982868 MHz)\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u7279\u522b\u662f\u5728\u975e\u89c6\u7ebf(NLOS)\u73af\u5883\u4e2d\uff0c\u4ecd\u53ef\u80fd\u53d7\u5230\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e76\u53d1\u95ee\u9898<\/strong>\uff1a\u968f\u7740\u8bbe\u5907\u6570\u91cf\u7684\u589e\u52a0\uff0c\u591a\u4e2a\u8bbe\u5907\u540c\u65f6\u5c1d\u8bd5\u8bbf\u95ee\u6709\u9650\u7684\u9891\u8c31\u8d44\u6e90\uff0c\u5bfc\u81f4\u4fe1\u9053\u51b2\u7a81\u548c\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u540c\u9891\u5e72\u6270<\/strong>\uff1a\u5728\u4f7f\u7528\u591a\u4e2aLoRa\u6a21\u5757\u8fdb\u884c\u901a\u4fe1\u65f6\uff0c\u540c\u9891\u5e72\u6270\u662f\u4e00\u4e2a\u5e38\u89c1\u95ee\u9898\uff0c\u5c24\u5176\u662f\u5728400-500MHz\u8303\u56f4\u5185\uff0c\u5c3d\u7ba1\u6280\u672f\u672c\u8eab\u4f1a\u6269\u9891\uff0c\u4f46\u6b64\u8303\u56f4\u8fd8\u662f\u88ab\u4e00\u4e9b\u5e94\u7528\u8bef\u8ba4\u4e3a\u662fISM\u9891\u6bb5\u6240\u4f7f\u7528\uff0c\u4ece\u800c\u4ea7\u751f\u51b2\u7a81\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. 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Sense Multiple Access with Collision Avoidance)\u534f\u8bae\uff0c\u901a\u8fc7ALOHA\u534f\u8bae\u3001\u78b0\u649e\u68c0\u6d4b\u3001\u968f\u673a\u9000\u907f\u548c\u65f6\u95f4\u540c\u6b65\u673a\u5236\u907f\u514d\u4e86\u591a\u4e2a\u8bbe\u5907\u540c\u65f6\u53d1\u9001\u6570\u636e\u7684\u51b2\u7a81\uff0c\u63d0\u9ad8\u4e86\u901a\u4fe1\u8d28\u91cf\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u53d1\u5c04\u524d\u4fa6\u542c\uff08LBT\uff09\u3001\u5360\u7a7a\u6bd4\uff08Duty Cycle\uff09\u548c\u6700\u5927\u9a7b\u7559\u65f6\u95f4\uff08Dwell Time\uff09<\/strong>&nbsp;\uff1a\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u964d\u4f4e\u5e72\u6270\u3002\u4f8b\u5982\uff0c\u5728CN470\u9891\u6bb5\u672a\u91c7\u53d6LBT\u3001Duty Cycle\u548cDwell Time\u7684\u673a\u5236\uff0c\u4f46\u6839\u636e\u5de5\u4fe1\u90e8\u6700\u65b0\u53d1\u6587\uff0c\u540e\u7eed\u53ef\u80fd\u4f1a\u91c7\u53d6\u8fd9\u4e9b\u673a\u5236\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9891\u7387\u8df3\u53d8\u548c\u529f\u7387\u63a7\u5236<\/strong>\uff1a\u9488\u5bf9\u591a\u4e2a\u7ec8\u7aef\u540c\u65f6\u5411\u7f51\u5173\u53d1\u9001\u6570\u636e\u9020\u6210\u7684\u540c\u9891\u5e72\u6270\uff0c\u63d0\u51fa\u4e86\u65f6\u95f4\u5206\u914d\u3001\u968f\u673a\u9000\u907f\u3001\u78b0\u649e\u68c0\u6d4b\u3001\u9891\u7387\u8df3\u53d8\u548c\u529f\u7387\u63a7\u5236\u7b49\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u73af\u5883\u7ba1\u7406\u4e0e\u6297\u5e72\u6270\u6280\u672f<\/strong>\uff1a\u52a0\u5f3a\u73af\u5883\u7ba1\u7406\u3001\u63a7\u5236\u53d1\u5c04\u529f\u7387\u4ee5\u53ca\u91c7\u7528\u6297\u5e72\u6270\u6280\u672f\u7b49\u63aa\u65bd\u53ef\u4ee5\u6709\u6548\u89e3\u51b3\u5e72\u6270\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 LoRaWAN\u7f51\u7edc\u5728\u5bc6\u96c6\u65e0\u7ebf\u73af\u5883\u4e2d\u7684\u6027\u80fd?<\/h2>\n\n\n\n<p>\u3000\u3000\u8bc4\u4f30\u548c\u4f18\u5316LoRaWAN\u7f51\u7edc\u5728\u5bc6\u96c6\u65e0\u7ebf\u73af\u5883\u4e2d\u7684\u6027\u80fd\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u4e2a\u56e0\u7d20\uff0c\u5e76\u91c7\u53d6\u591a\u79cd\u7b56\u7565\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u8bc4\u4f30\u548c\u4f18\u5316\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. 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