{"id":98804,"date":"2024-11-05T09:17:28","date_gmt":"2024-11-05T01:17:28","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=98804"},"modified":"2024-11-05T09:17:45","modified_gmt":"2024-11-05T01:17:45","slug":"lxysydpdhwxayctm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/98804.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>\u4e3b\u8981\u8fd0\u884c\u5728\u5de5\u4e1a\u3001\u79d1\u5b66\u548c\u533b\u7597(ISM)\u9891\u6bb5\uff0c\u8fd9\u4e9b\u9891\u6bb5\u5305\u62ec433 MHz\u3001868 MHz\u548c915 MHz\u7b49\u3002ISM\u9891\u6bb5\u662f\u514d\u6388\u6743\u9891\u6bb5\uff0c\u8fd9\u610f\u5473\u7740LoRaWAN\u8bbe\u5907\u53ef\u4ee5\u5728\u8fd9\u4e9b\u9891\u6bb5\u5185\u81ea\u7531\u4f7f\u7528\u800c\u4e0d\u9700\u8981\u83b7\u5f97\u8bb8\u53ef\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u65e0\u7ebf\u5c40\u57df\u7f51(WLAN)\u901a\u5e38\u4f7f\u75282.4 GHz\u9891\u6bb5\uff0c\u8fd9\u662f\u53e6\u4e00\u4e2aISM\u9891\u6bb5\uff0c\u4f46\u4e0eLoRaWAN\u4f7f\u7528\u7684\u9891\u6bb5\u4e0d\u540c\u3002\u56e0\u6b64\uff0cLoRaWAN\u534f\u8bae\u4f7f\u7528\u7684\u9891\u6bb5\u4e0e\u65e0\u7ebfAP(\u65e0\u7ebf\u63a5\u5165\u70b9)\u4f7f\u7528\u7684\u9891\u6bb5\u6ca1\u6709\u76f4\u63a5\u51b2\u7a81\uff0c\u56e0\u4e3a\u5b83\u4eec\u4f7f\u7528\u4e0d\u540c\u7684ISM\u9891\u6bb5\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7136\u800c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u67d0\u4e9b\u5730\u533a\uff0c\u5982\u4e2d\u56fd\uff0cLoRaWAN\u53ef\u4ee5\u4f7f\u7528779-787 MHz\u9891\u6bb5\uff0c\u8fd9\u4e0e\u67d0\u4e9b\u56fd\u5bb6\u6216\u5730\u533a\u7684Wi-Fi\u9891\u6bb5\u53ef\u80fd\u4f1a\u6709\u91cd\u53e0\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u4f1a\u5b58\u5728\u5e72\u6270\u95ee\u9898\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u5bc6\u5ea6\u90e8\u7f72\u7684\u60c5\u51b5\u4e0b\u3002\u56e0\u6b64\uff0c\u5728\u90e8\u7f72LoRaWAN\u7f51\u7edc\u65f6\uff0c\u5e94\u8003\u8651\u5f53\u5730\u7684\u9891\u8c31\u5206\u914d\u60c5\u51b5\u4ee5\u907f\u514d\u6f5c\u5728\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRaWAN\u534f\u8bae\u4f7f\u7528\u7684\u9891\u6bb5\u4e0e\u65e0\u7ebfAP\u4f7f\u7528\u7684\u9891\u6bb5\u901a\u5e38\u4e0d\u51b2\u7a81\uff0c\u4f46\u5728\u7279\u5b9a\u5730\u533a\u53ef\u80fd\u5b58\u5728\u5e72\u6270\u98ce\u9669\uff0c\u9700\u8981\u6839\u636e\u5f53\u5730\u9891\u8c31\u89c4\u5212\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRaWAN\u534f\u8bae\u5728\u4e0d\u540c\u56fd\u5bb6\u7684\u9891\u6bb5\u5206\u914d\u60c5\u51b5\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000LoRaWAN\u534f\u8bae\u5728\u4e0d\u540c\u56fd\u5bb6\u7684\u9891\u6bb5\u5206\u914d\u60c5\u51b5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7f8e\u56fd<\/strong>\uff1aLoRaWAN\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\u6bcf\u4e2a\u5b50\u9891\u6bb5\u5305\u542b8\u4e2a125 kHz\u4e0a\u884c\u94fe\u8def\u4fe1\u9053\u3001\u4e00\u4e2a500 kHz\u4e0a\u884c\u94fe\u8def\u4fe1\u9053\u548c\u4e00\u4e2a500 kHz\u4e0b\u884c\u94fe\u8def\u4fe1\u9053\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6b27\u6d32<\/strong>\uff1aLoRaWAN\u4f7f\u7528863-870 MHz\u9891\u6bb5\uff0c\u5360\u7a7a\u6bd4\u53ef\u4ee5\u4f4e\u81f30.1%\u3002\u6b27\u6d32\u5b9a\u4e49\u4e86\u5341\u4e2a\u4fe1\u9053\uff0c\u5176\u4e2d\u516b\u4e2a\u662f125 kHz LoRa\u4fe1\u9053\uff0c\u63d0\u4f9b\u4ece250 bps\u52305.5 kbps\u7684\u6570\u636e\u901f\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u65e5\u672c<\/strong>\uff1aLoRaWAN\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<p>\u3000\u3000<strong>\u4e9a\u592a\u5730\u533a<\/strong>\uff1a\u4e00\u4e9b\u56fd\u5bb6\u548c\u5730\u533a\u91c7\u7528AS923\u9891\u6bb5(\u5de5\u4f5c\u9891\u7387\u4e3a923 MHz)\uff0c\u800c\u6fb3\u5927\u5229\u4e9a\u548c\u65b0\u897f\u5170\u5219\u91c7\u7528AU915-928\u9891\u6bb5(\u5de5\u4f5c\u9891\u7387\u4e3a915-928 MHz)\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4e2d\u56fd<\/strong>\uff1aLoRaWAN\u5728\u4e2d\u56fd\u4f7f\u7528\u4e24\u4e2a\u4e3b\u8981\u9891\u6bb5\uff0c\u5206\u522b\u662f470-510 MHz(CN470)\u548c779-787 MHz\u3002\u5176\u4e2d\uff0cCN470\u9891\u6bb5\u4e3b\u8981\u7528\u4e8e\u5c45\u6c11\u6284\u8868\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5176\u4ed6\u56fd\u5bb6\u548c\u5730\u533a<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u7459\u9c81\u3001\u65b0\u5580\u91cc\u591a\u5c3c\u4e9a\u3001\u5c3c\u52a0\u62c9\u74dc\u7b49\u56fd\u5bb6\u548c\u5730\u533a\u4e5f\u4f7f\u7528EU433\u548cEU863-870\u5b50\u9891\u6bb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u65b0\u897f\u5170\u4f7f\u7528IN865-867\u5b50\u9891\u6bb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5c3c\u65e5\u5c14\u4f7f\u7528IN865-867\u5b50\u9891\u6bb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5317\u9a6c\u91cc\u4e9a\u7eb3\u7fa4\u5c9b\u4f7f\u7528US902-928\u5b50\u9891\u6bb5\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRaWAN\u7f51\u7edc\u4e0e\u65e0\u7ebfAP\u4e4b\u95f4\u7684\u5e72\u6270\u98ce\u9669?<\/h2>\n\n\n\n<p>\u3000\u3000\u8bc4\u4f30LoRaWAN\u7f51\u7edc\u4e0e\u65e0\u7ebfAP\u4e4b\u95f4\u7684\u5e72\u6270\u98ce\u9669\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u4e2a\u56e0\u7d20\uff0c\u5305\u62ec\u4fe1\u53f7\u5f3a\u5ea6\u3001\u9891\u7387\u91cd\u53e0\u4ee5\u53ca\u73af\u5883\u56e0\u7d20\u7b49\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u8bc4\u4f30\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u6839\u636e\u6587\u732e\u4e2d\u7684\u6570\u5b66\u6a21\u578b\uff0cLoRaWAN\u8282\u70b9\u7684\u5e72\u6270\u5668\u53ea\u9700\u8981\u6240\u9700\u8282\u70b9\u529f\u7387\u768440%\u5373\u53ef\u5b9e\u73b0\u5e72\u6270\u3002\u8fd9\u610f\u5473\u7740\u5728\u8bc4\u4f30\u5e72\u6270\u98ce\u9669\u65f6\uff0c\u9700\u8981\u6d4b\u91cf\u4e24\u4e2a\u7f51\u7edc\u8bbe\u5907\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u5e76\u8ba1\u7b97\u51fa\u5e72\u6270\u5668\u6240\u9700\u7684\u6700\u5c0f\u529f\u7387\u3002\u4f8b\u5982\uff0c\u5982\u679cLoRaWAN\u8282\u70b9\u4f7f\u752814 dBm(\u7ea625 mW)\uff0c\u90a3\u4e48\u5e72\u6270\u5668\u53ea\u9700\u898110 dBm(\u7ea610 mW)\u6765\u5b9e\u73b0\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRaWAN\u548c\u65e0\u7ebfAP\u53ef\u80fd\u5728\u76f8\u540c\u7684\u9891\u6bb5\u5185\u5de5\u4f5c\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u9891\u7387\u91cd\u53e0\u548c\u5e72\u6270\u3002\u4e3a\u4e86\u51cf\u5c11\u8fd9\u79cd\u98ce\u9669\uff0c\u53ef\u4ee5\u91c7\u7528\u4e0d\u540c\u7684\u4fe1\u9053\u5206\u914d\u7b56\u7565\uff0c\u4f8b\u5982\u6539\u53d8LoRaWAN\u7684\u9891\u7387\u8303\u56f4\u6216\u91cd\u65b0\u914d\u7f6e\u65e0\u7ebfAP\u7684\u4fe1\u9053\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u73af\u5883\u56e0\u7d20\u5982\u5efa\u7b51\u7269\u3001\u5730\u5f62\u548c\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u4e5f\u53ef\u80fd\u5f71\u54cd\u4fe1\u53f7\u4f20\u64ad\u548c\u5e72\u6270\u3002\u901a\u8fc7\u4f7f\u7528\u4eff\u771f\u8f6f\u4ef6\u5982LoRaSim\u8fdb\u884c\u6a21\u62df\u5206\u6790\uff0c\u53ef\u4ee5\u8bc4\u4f30\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u7684\u7f51\u7edc\u8986\u76d6\u6027\u80fd\u548c\u5e72\u6270\u60c5\u51b5\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5b89\u88c5\u652f\u6301LoRaWAN\u7684\u8bbe\u5907\u548c\u7f51\u5173\u7f51\u7edc\uff0c\u5e76\u8bb0\u5f55\u73af\u5883\u6307\u6807\u8fdb\u884c\u5b9e\u65f6\u6570\u636e\u5206\u6790\uff0c\u53ef\u4ee5\u5e2e\u52a9\u53ca\u65f6\u53d1\u73b0\u6f5c\u5728\u7684\u5e72\u6270\u95ee\u9898\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5728\u95ee\u9898\u53d8\u5f97\u4e25\u91cd\u4e4b\u524d\u8fdb\u884c\u5e72\u9884\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5229\u7528\u57fa\u4e8e\u673a\u5668\u5b66\u4e60\u7684\u5165\u4fb5\u68c0\u6d4b\u548c\u9884\u9632\u7cfb\u7edf(IDPS)\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u68c0\u6d4b\u548c\u9632\u6b62\u5e72\u6270\u653b\u51fb\u3002\u5c3d\u7ba1\u63d0\u53d6\u6709\u7528\u7279\u5f81\u548c\u83b7\u5f97\u8db3\u591f\u7684\u6570\u636e\u4ecd\u662f\u4e00\u4e2a\u6311\u6218\uff0c\u4f46\u672a\u6765\u7684\u6280\u672f\u53d1\u5c55\u53ef\u80fd\u4f1a\u63d0\u4f9b\u66f4\u597d\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5728\u9ad8\u5bc6\u5ea6\u90e8\u7f72\u60c5\u51b5\u4e0b\uff0c\u6709\u54ea\u4e9b\u6280\u672f\u6216\u65b9\u6cd5\u53ef\u4ee5\u51cf\u5c11LoRaWAN\u4e0e\u65e0\u7ebfAP\u4e4b\u95f4\u7684\u5e72\u6270?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u9ad8\u5bc6\u5ea6\u90e8\u7f72\u60c5\u51b5\u4e0b\uff0c\u51cf\u5c11LoRaWAN\u4e0e\u65e0\u7ebfAP\u4e4b\u95f4\u7684\u5e72\u6270\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u6280\u672f\u6216\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5408\u7406\u5206\u914d\u4fe1\u9053<\/strong>\uff1a\u5728\u9ad8\u5bc6\u5ea6\u90e8\u7f72\u4e2d\uff0c\u4e0d\u540c\u7f51\u5173\u4e4b\u95f4\u5e94\u5408\u7406\u5206\u914d\u4e0d\u540c\u7684\u4fe1\u9053\uff0c\u4ee5\u907f\u514d\u76f8\u540c\u4fe1\u9053\u4e4b\u95f4\u7684\u5e72\u6270\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u9009\u62e9\u5408\u9002\u7684\u6269\u9891\u56e0\u5b50(SF)\u548c\u5e26\u5bbd(BW)\u6765\u5b9e\u73b0\uff0c\u4ee5\u6ee1\u8db3\u5b9e\u9645\u8ddd\u79bb\u548c\u541e\u5410\u91cf\u9700\u6c42\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f7f\u7528\u5408\u9002\u7684\u9891\u6bb5<\/strong>\uff1aLoRaWAN\u53ef\u4ee5\u5728\u591a\u4e2a\u9891\u6bb5\u5de5\u4f5c\uff0c\u4e0d\u540c\u9891\u6bb5\u7684\u4fe1\u9053\u6570\u548c\u5e26\u5bbd\u4e5f\u4e0d\u540c\u3002\u9009\u62e9\u4e00\u4e2a\u5408\u9002\u7684\u9891\u6bb5\u53ef\u4ee5\u51cf\u5c11\u4e0e\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u7684\u9891\u6bb5\u51b2\u7a81\uff0c\u4ece\u800c\u964d\u4f4e\u5e72\u6270\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u81ea\u9002\u5e94\u5747\u8861\u6280\u672f<\/strong>\uff1a\u81ea\u9002\u5e94\u5747\u8861\u7b97\u6cd5\u5728\u6291\u5236\u591a\u5f84\u5e72\u6270\u4e2d\u7684\u5e94\u7528\u8868\u73b0\u51fa\u8272\u3002\u8fd9\u79cd\u6280\u672f\u80fd\u591f\u514b\u670d\u65e0\u7ebf\u4f20\u8f93\u4e2d\u7684\u591a\u5f84\u5f71\u54cd\uff0c\u964d\u4f4e\u7801\u95f4\u5e72\u6270\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5c04\u9891\u4f18\u5316\u548c\u5e72\u6270\u6291\u5236\u6280\u672f<\/strong>\uff1a\u9ad8\u6027\u80fd\u65e0\u7ebfAP\u8bbe\u5907\u901a\u5e38\u5185\u7f6e\u5c04\u9891\u4f18\u5316\u6280\u672f\u548c\u5e72\u6270\u6291\u5236\u6280\u672f\uff0c\u8fd9\u4e9b\u6280\u672f\u53ef\u4ee5\u4ece\u8986\u76d6\u8303\u56f4\u3001\u63a5\u5165\u5bc6\u5ea6\u548c\u8fd0\u884c\u7a33\u5b9a\u7b49\u65b9\u9762\u63d0\u4f9b\u66f4\u4f18\u8d28\u7684\u65e0\u7ebf\u63a5\u5165\u670d\u52a1\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRaWAN\u548c\u65e0\u7ebfAP\u5171\u5b58\u7684\u65b9\u6cd5?<\/h2>\n\n\n\n<p>\u3000\u3000LoRaWAN\u548c\u65e0\u7ebfAP(Access Point)\u5171\u5b58\u7684\u65b9\u6cd5\u5efa\u8bae\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<p>\u3000\u3000LoRaWAN\u901a\u5e38\u4f7f\u7528\u975e\u6388\u6743\u9891\u6bb5\uff0c\u59822.4 GHz\u9891\u6bb5\u3002\u7136\u800c\uff0c\u8fd9\u4e2a\u9891\u6bb5\u4e5f\u5e38\u88ab\u5176\u4ed6\u65e0\u7ebf\u6280\u672f\u5982Wi-Fi\u3001\u84dd\u7259\u7b49\u4f7f\u7528\u3002\u56e0\u6b64\uff0c\u5728\u90e8\u7f72LoRaWAN\u65f6\uff0c\u9700\u8981\u8003\u8651\u4e0e\u5176\u4ed6\u65e0\u7ebf\u6280\u672f\u7684\u5171\u5b58\u95ee\u9898\u3002\u6839\u636e\uff0cLoRa 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