{"id":100428,"date":"2025-01-14T13:57:46","date_gmt":"2025-01-14T05:57:46","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=100428"},"modified":"2025-01-14T13:57:50","modified_gmt":"2025-01-14T05:57:50","slug":"lwxtxjspljs","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/100428.html","title":{"rendered":"LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u9891\u7387\u4ecb\u7ecd"},"content":{"rendered":"\n<p>\u3000\u3000<strong>LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f<\/strong>\u662f\u4e00\u79cd\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u6280\u672f\uff0c\u5176\u4e3b\u8981\u7279\u70b9\u662f\u80fd\u591f\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u7684\u65e0\u7ebf\u901a\u4fe1\uff0c\u5e76\u4e14\u5177\u6709\u4f4e\u529f\u8017\u3001\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u7b49\u4f18\u70b9\u3002LoRa\u6280\u672f\u5728\u5168\u7403\u8303\u56f4\u5185\u4f7f\u7528\u591a\u4e2a\u9891\u6bb5\uff0c\u5177\u4f53\u9891\u7387\u56e0\u5730\u533a\u800c\u5f02\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6b27\u6d32<\/strong>\uff1aLoRa\u5728\u6b27\u6d32\u901a\u5e38\u4f7f\u7528868 MHz\u9891\u6bb5\uff0c\u5177\u4f53\u9891\u7387\u8303\u56f4\u4e3a868.1 MHz\u81f3868.6 MHz\uff0c\u5e26\u5bbd\u4e3a125 kHz\u5230500 kHz\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7f8e\u56fd<\/strong>\uff1a\u5728\u7f8e\u56fd\uff0cLoRa\u4e3b\u8981\u4f7f\u7528915 MHz\u9891\u6bb5\uff0c\u9891\u7387\u8303\u56f4\u4e3a915.0 MHz\u81f3915.0 MHz\uff0c\u5e26\u5bbd\u540c\u6837\u4e3a125 kHz\u5230500 kHz\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4e2d\u56fd<\/strong>\uff1a\u5728\u4e2d\u56fd\uff0cLoRa\u6280\u672f\u4e3b\u8981\u4f7f\u7528470 MHz\u9891\u6bb5\uff0c\u9891\u7387\u8303\u56f4\u4e3a470 MHz\u81f3470.5 MHz\uff0c\u5e26\u5bbd\u4e3a125 kHz\u5230250 kHz\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4e9a\u6d32\u5176\u4ed6\u5730\u533a<\/strong>\uff1a\u5728\u4e9a\u6d32\u7684\u4e00\u4e9b\u56fd\u5bb6\u548c\u5730\u533a\uff0cLoRa\u53ef\u80fd\u4f7f\u7528923 MHz\u9891\u6bb5\uff0c\u4f46\u5177\u4f53\u9891\u7387\u548c\u5e26\u5bbd\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5370\u5ea6<\/strong>\uff1a\u5370\u5ea6\u4f7f\u7528\u7684\u662f865 MHz\u9891\u6bb5\uff0c\u5e26\u5bbd\u4e3a125 kHz\u5230250 kHz\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6fb3\u5927\u5229\u4e9a<\/strong>\uff1a\u6fb3\u5927\u5229\u4e9a\u4f7f\u7528915 MHz\u9891\u6bb5\uff0c\u5e26\u5bbd\u4e3a125 kHz\u5230500 kHz\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u97e9\u56fd<\/strong>\uff1a\u97e9\u56fd\u4f7f\u7528923 MHz\u9891\u6bb5\uff0c\u5e26\u5bbd\u4e3a125 kHz\u5230250 kHz\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u8fd9\u4e9b\u9891\u6bb5\u7684\u9009\u62e9\u4e3b\u8981\u662f\u57fa\u4e8e\u5404\u56fd\u548c\u5730\u533a\u65e0\u7ebf\u7535\u7ba1\u7406\u673a\u6784\u7684\u89c4\u5b9a\uff0c\u4ee5\u786e\u4fddLoRa\u8bbe\u5907\u80fd\u591f\u5728\u76f8\u5e94\u7684\u9891\u6bb5\u5185\u5408\u6cd5\u8fd0\u884c\u3002\u6b64\u5916\uff0cLoRa\u6280\u672f\u8fd8\u652f\u6301\u591a\u79cd\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u6269\u9891\u56e0\u5b50(SF)\uff0c\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u5728\u5168\u7403\u4e0d\u540c\u5730\u533a\u7684\u9891\u7387<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u5728\u5168\u7403\u4e0d\u540c\u5730\u533a\u7684\u9891\u7387\u5206\u914d\u4e3b\u8981\u57fa\u4e8e\u5404\u56fd\u548c\u5730\u533a\u5bf9\u975e\u6388\u6743\u9891\u8c31\u7684\u4f7f\u7528\u89c4\u5b9a\u548c\u76d1\u7ba1\u8981\u6c42\u3002LoRa\u6280\u672f\u5229\u7528\u7684\u662f\u514d\u8d39\u76841GHz\u4ee5\u4e0b\u9891\u6bb5\uff0c\u5177\u4f53\u5206\u914d\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6b27\u6d32<\/strong>\uff1aLoRa\u5728\u6b27\u6d32\u901a\u5e38\u4f7f\u7528868 MHz\u9891\u6bb5\uff0c\u8fd9\u662f\u7531\u6b27\u6d32\u7535\u4fe1\u6807\u51c6\u534f\u4f1a(ETSI)\u5236\u5b9a\u7684\u6807\u51c6\u3002\u6b64\u5916\uff0c433 MHz\u9891\u6bb5\u4e5f\u88ab\u7528\u4e8e\u67d0\u4e9b\u56fd\u5bb6\u6216\u5730\u533a\uff0c\u5982\u5fb7\u56fd\u3001\u6cd5\u56fd\u548c\u610f\u5927\u5229\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5317\u7f8e<\/strong>\uff1a\u5728\u5317\u7f8e\u5730\u533a\uff0cLoRa\u4e3b\u8981\u4f7f\u7528915 MHz\u9891\u6bb5\u3002\u7f8e\u56fd\u7684\u4e2d\u5fc3\u9891\u7387\u4e3a915 MHz\uff0c\u52a0\u62ff\u5927\u4e3a915 MHz\uff0c\u58a8\u897f\u54e5\u4e3a915-928 MHz\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5357\u7f8e<\/strong>\uff1a\u5357\u7f8e\u5730\u533a\u4f7f\u7528915\/AS923-1\u9891\u6bb5\uff0c\u4e2d\u5fc3\u9891\u7387\u4e3a915 MHz\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5370\u5ea6<\/strong>\uff1a\u5370\u5ea6\u4f7f\u7528865-867 MHz\u9891\u6bb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4e9a\u6d32<\/strong>\uff1a\u4e9a\u6d32\u5730\u533a\u7684\u4e2d\u5fc3\u9891\u7387\u56e0\u56fd\u5bb6\u800c\u5f02\u3002\u4f8b\u5982\uff0c\u4e2d\u56fd\u4f7f\u7528470-510 MHz\u9891\u6bb5\uff0c\u65e5\u672c\u4f7f\u7528490-492 MHz\u9891\u6bb5\uff0c\u97e9\u56fd\u4f7f\u7528486-488 MHz\u9891\u6bb5\uff0c\u4e2d\u56fd\u53f0\u6e7e\u7701\u4f7f\u7528486-488 MHz\u9891\u6bb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6fb3\u5927\u5229\u4e9a\u548c\u65b0\u897f\u5170<\/strong>\uff1a\u6fb3\u5927\u5229\u4e9a\u4f7f\u7528915 MHz\u9891\u6bb5\uff0c\u65b0\u897f\u5170\u4f7f\u7528922 MHz\u9891\u6bb5\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u5728\u5168\u7403\u8303\u56f4\u5185\u7684\u9891\u6bb5\u548c\u5e26\u5bbd\u914d\u7f6e\u4e5f\u53d7\u5230\u6cd5\u89c4\u9650\u5236\u548c\u517c\u5bb9\u6027\u95ee\u9898\u7684\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u5728\u6b27\u6d32\uff0cLoRa\u8bbe\u5907\u88ab\u89c6\u4e3a\u901a\u7528\u4f4e\u529f\u8017\u8bbe\u5907\uff0c\u53d7\u5230ERC-703\u6807\u51c6\u7684\u7ea6\u675f\u3002\u5728\u7f8e\u56fd\uff0cLoRa\u9891\u6bb5\u67098\u4e2a\u5b50\u9891\u6bb5\uff0c\u6bcf\u4e2a\u5b50\u9891\u6bb5\u5305\u542b\u591a\u4e2a\u4fe1\u9053\u3002\u5728\u4e2d\u56fd\uff0cLoRa\u5728410-441 MHz\u9891\u6bb5\u5185\u8fdb\u884c\u4e86\u90e8\u7f72\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cLoRa\u6280\u672f\u7684\u4fe1\u9053\u5e26\u5bbd\u914d\u7f6e\u8303\u56f4\u4ece7 kHz\u5230500 kHz\u4e0d\u7b49\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5e94\u7528\u573a\u666f\u548c\u6cd5\u89c4\u8981\u6c42\u3002\u4e0d\u540c\u5730\u533a\u7684\u76d1\u7ba1\u8981\u6c42\u4e0d\u540c\uff0c\u6709\u4e9b\u56fd\u5bb6\u751a\u81f3\u8981\u6c42\u7f51\u5173\u83b7\u5f97\u8bb8\u53ef\u6216\u6ce8\u518c\uff0c\u800c\u6709\u4e9b\u56fd\u5bb6\u5219\u8981\u6c42\u7f51\u5173\u83b7\u5f97\u8ba4\u8bc1\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u5728\u5168\u7403\u4e0d\u540c\u5730\u533a\u7684\u9891\u7387\u5206\u914d\u662f\u6839\u636e\u5404\u56fd\u548c\u5730\u533a\u5bf9\u975e\u6388\u6743\u9891\u8c31\u7684\u4f7f\u7528\u89c4\u5b9a\u548c\u76d1\u7ba1\u8981\u6c42\u6765\u51b3\u5b9a\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u6280\u672f\u5728\u4e0d\u540c\u9891\u6bb5\u4e0b\u7684\u6027\u80fd\u8868\u73b0(\u5982\u4f20\u8f93\u8ddd\u79bb\u3001\u6570\u636e\u901f\u7387)\u6709\u4f55\u5dee\u5f02?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u65e0\u7ebf\u901a\u4fe1\u9886\u57df\uff0c<strong>LoRa\u6280\u672f<\/strong>\u56e0\u5176\u4f4e\u529f\u8017\u548c\u957f\u8ddd\u79bb\u4f20\u8f93\u80fd\u529b\u800c\u5907\u53d7\u5173\u6ce8\u3002\u4e0d\u540c\u9891\u6bb5\u4e0b\uff0cLoRa\u7684\u6027\u80fd\u8868\u73b0\u5b58\u5728\u663e\u8457\u5dee\u5f02\uff0c\u8fd9\u4e3b\u8981\u4f53\u73b0\u5728\u4f20\u8f93\u8ddd\u79bb\u3001\u6570\u636e\u901f\u7387\u4ee5\u53ca\u4fe1\u53f7\u7a7f\u900f\u80fd\u529b\u7b49\u65b9\u9762\u3002\u9996\u5148\uff0cLoRa\u5728\u4f4e\u9891\u6bb5(\u5982433 MHz\u548c868 MHz)\u4e0e\u4e2d\u9ad8\u9891\u6bb5(\u5982915 MHz)\u4e4b\u95f4\u7684\u4f20\u8f93\u8ddd\u79bb\u6709\u6240\u4e0d\u540c\u3002\u4f4e\u9891\u6bb5\u7684\u4fe1\u53f7\u6ce2\u957f\u8f83\u957f\uff0c\u80fd\u591f\u66f4\u6709\u6548\u5730\u7ed5\u8fc7\u969c\u788d\u7269\uff0c\u63d0\u4f9b\u66f4\u8fdc\u7684\u8986\u76d6\u8303\u56f4\u3002\u4f8b\u5982\uff0c\u5728\u5f00\u9614\u73af\u5883\u4e2d\uff0c433 MHz\u9891\u6bb5\u7684LoRa\u8bbe\u5907\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u8fbe15\u516c\u91cc\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u800c915 MHz\u9891\u6bb5\u7684\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u572810\u516c\u91cc\u5de6\u53f3\u3002\u8fd9\u4f7f\u5f97\u4f4e\u9891\u6bb5\u66f4\u9002\u5408\u4e8e\u5e7f\u57df\u8986\u76d6\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u519c\u6751\u5730\u533a\u7684\u519c\u4e1a\u76d1\u6d4b\u548c\u5927\u89c4\u6a21\u7684\u667a\u6167\u57ce\u5e02\u90e8\u7f72\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5176\u6b21\uff0c\u4e0d\u540c\u9891\u6bb5\u5bf9<strong>\u6570\u636e\u901f\u7387<\/strong>\u7684\u5f71\u54cd\u4ea6\u4e0d\u53ef\u5ffd\u89c6\u3002LoRa\u6280\u672f\u5728\u4f4e\u9891\u6bb5\u901a\u5e38\u652f\u6301\u8f83\u4f4e\u7684\u6570\u636e\u901f\u7387\uff0c\u8fd9\u662f\u7531\u4e8e\u9891\u8c31\u5e26\u5bbd\u7684\u9650\u5236\u6240\u81f4\u3002\u4ee5433 MHz\u9891\u6bb5\u4e3a\u4f8b\uff0c\u5176\u5178\u578b\u7684\u6570\u636e\u901f\u7387\u8303\u56f4\u57280.3 kbps\u81f350 kbps\u4e4b\u95f4\uff0c\u800c915 MHz\u9891\u6bb5\u5219\u80fd\u652f\u6301\u66f4\u9ad8\u7684\u6570\u636e\u901f\u7387\uff0c\u901a\u5e38\u57280.5 kbps\u81f3100 kbps\u4e4b\u95f4\u3002\u8fd9\u79cd\u5dee\u5f02\u4f7f\u5f97\u4f4e\u9891\u6bb5\u66f4\u9002\u5408\u4e8e\u4f20\u8f93\u5c0f\u91cf\u6570\u636e\u4e14\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u5e94\u7528\uff0c\u5982\u73af\u5883\u76d1\u6d4b\u548c\u8d44\u4ea7\u8ffd\u8e2a;\u800c\u4e2d\u9ad8\u9891\u6bb5\u5219\u80fd\u591f\u6ee1\u8db3\u9700\u8981\u66f4\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u7684\u5e94\u7528\uff0c\u5982\u89c6\u9891\u76d1\u63a7\u548c\u5b9e\u65f6\u6570\u636e\u5206\u6790\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7b2c\u4e09\uff0c<strong>\u4fe1\u53f7\u7a7f\u900f\u80fd\u529b<\/strong>\u5728\u4e0d\u540c\u9891\u6bb5\u4e0b\u8868\u73b0\u51fa\u660e\u663e\u7684\u5dee\u5f02\u3002\u4f4e\u9891\u6bb5\u7684LoRa\u4fe1\u53f7\u5728\u7a7f\u900f\u5efa\u7b51\u7269\u3001\u6811\u6728\u7b49\u969c\u788d\u7269\u65f6\u8868\u73b0\u66f4\u4e3a\u4f18\u8d8a\uff0c\u51cf\u5c11\u4e86\u4fe1\u53f7\u8870\u51cf\u548c\u4e22\u5931\u7684\u6982\u7387\u3002\u8fd9\u4f7f\u5f97\u4f4e\u9891\u6bb5\u5728\u57ce\u5e02\u5bc6\u96c6\u533a\u57df\u548c\u590d\u6742\u73af\u5883\u4e2d\u5177\u6709\u66f4\u597d\u7684\u9002\u5e94\u6027\uff0c\u786e\u4fdd\u4e86\u8bbe\u5907\u4e4b\u95f4\u7684\u7a33\u5b9a\u901a\u4fe1\u3002\u800c\u4e2d\u9ad8\u9891\u6bb5\u867d\u7136\u5728\u7a7f\u900f\u80fd\u529b\u4e0a\u7a0d\u900a\u4e00\u7b79\uff0c\u4f46\u5176\u8f83\u9ad8\u7684\u6570\u636e\u901f\u7387\u548c\u8f83\u4f4e\u7684\u5ef6\u8fdf\u4ecd\u4f7f\u5176\u5728\u9700\u8981\u9ad8\u9891\u6b21\u6570\u636e\u4ea4\u4e92\u7684\u573a\u666f\u4e2d\u5360\u636e\u91cd\u8981\u5730\u4f4d\uff0c\u5982\u667a\u80fd\u4ea4\u901a\u7cfb\u7edf\u548c\u5de5\u4e1a\u7269\u8054\u7f51(IIoT)\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6700\u540e\uff0c\u4e0d\u540c\u9891\u6bb5\u7684<strong>\u9891\u8c31\u76d1\u7ba1<\/strong>\u548c<strong>\u80fd\u8017\u7ba1\u7406<\/strong>\u4e5f\u662f\u5f71\u54cdLoRa\u6027\u80fd\u7684\u91cd\u8981\u56e0\u7d20\u3002\u5404\u56fd\u5bf9\u4e0d\u540c\u9891\u6bb5\u7684\u9891\u8c31\u4f7f\u7528\u6709\u4e25\u683c\u7684\u89c4\u5b9a\uff0c\u5f71\u54cd\u4e86LoRa\u8bbe\u5907\u7684\u8bbe\u8ba1\u548c\u90e8\u7f72\u3002\u4f8b\u5982\uff0c868 MHz\u9891\u6bb5\u5728\u6b27\u6d32\u7684\u4f7f\u7528\u8f83\u4e3a\u666e\u904d\uff0c\u800c915 MHz\u9891\u6bb5\u5219\u5728\u5317\u7f8e\u548c\u90e8\u5206\u4e9a\u6d32\u56fd\u5bb6\u66f4\u4e3a\u5e38\u89c1\u3002\u9891\u8c31\u76d1\u7ba1\u7684\u5dee\u5f02\u8981\u6c42\u8bbe\u5907\u5236\u9020\u5546\u5fc5\u987b\u9488\u5bf9\u4e0d\u540c\u5e02\u573a\u8fdb\u884c\u4f18\u5316\u8bbe\u8ba1\uff0c\u4ee5\u786e\u4fdd\u5408\u89c4\u6027\u548c\u6700\u4f73\u6027\u80fd\u3002\u6b64\u5916\uff0c\u9891\u6bb5\u9009\u62e9\u8fd8\u76f4\u63a5\u5f71\u54cd\u8bbe\u5907\u7684\u80fd\u8017\u8868\u73b0\u3002\u4f4e\u9891\u6bb5\u7531\u4e8e\u4fe1\u53f7\u4f20\u64ad\u6548\u7387\u9ad8\uff0c\u8bbe\u5907\u5728\u4f20\u8f93\u6570\u636e\u65f6\u6240\u9700\u7684\u80fd\u91cf\u8f83\u4f4e\uff0c\u5ef6\u957f\u4e86\u7535\u6c60\u5bff\u547d\uff0c\u9002\u5408\u4e8e\u9700\u8981\u957f\u671f\u8fd0\u884c\u7684\u4f20\u611f\u5668\u8282\u70b9\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u4e2d\u9ad8\u9891\u6bb5\u867d\u7136\u80fd\u8017\u7a0d\u9ad8\uff0c\u4f46\u901a\u8fc7\u4f18\u5316\u8c03\u5236\u89e3\u8c03\u6280\u672f\u548c\u529f\u7387\u7ba1\u7406\uff0c\u540c\u6837\u53ef\u4ee5\u5b9e\u73b0\u8f83\u4e3a\u7406\u60f3\u7684\u80fd\u6548\u8868\u73b0\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u5728\u4e0d\u540c\u9891\u6bb5\u4e0b\u7684\u6027\u80fd\u8868\u73b0\u56e0\u4f20\u8f93\u8ddd\u79bb\u3001\u6570\u636e\u901f\u7387\u3001\u4fe1\u53f7\u7a7f\u900f\u80fd\u529b\u4ee5\u53ca\u9891\u8c31\u76d1\u7ba1\u7b49\u56e0\u7d20\u800c\u6709\u6240\u5dee\u5f02\u3002\u7406\u89e3\u5e76\u5408\u7406\u9009\u62e9\u9002\u5408\u7279\u5b9a\u5e94\u7528\u9700\u6c42\u7684\u9891\u6bb5\uff0c\u662f\u5b9e\u73b0LoRa\u6280\u672f\u9ad8\u6548\u5e94\u7528\u7684\u5173\u952e\u3002\u968f\u7740\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u672a\u6765LoRa\u5728\u5404\u9891\u6bb5\u4e0b\u7684\u6027\u80fd\u4f18\u5316\u5c06\u8fdb\u4e00\u6b65\u63a8\u52a8\u5176\u5728\u7269\u8054\u7f51\u548c\u667a\u6167\u57ce\u5e02\u7b49\u9886\u57df\u7684\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5982\u4f55\u6839\u636e\u5730\u533a\u6cd5\u89c4\u9009\u62e9LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u9891\u6bb5\u548c\u5e26\u5bbd?<\/h2>\n\n\n\n<p>\u3000\u3000\u6839\u636e\u5730\u533a\u6cd5\u89c4\u9009\u62e9LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u9891\u6bb5\u548c\u5e26\u5bbd\u9700\u8981\u8003\u8651\u591a\u4e2a\u56e0\u7d20\uff0c\u5305\u62ec\u5f53\u5730\u7684\u6cd5\u89c4\u8981\u6c42\u3001\u9891\u6bb5\u8d44\u6e90\u7684\u53ef\u7528\u6027\u4ee5\u53ca\u5177\u4f53\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u6b65\u9aa4\u548c\u5efa\u8bae\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4e86\u89e3\u5f53\u5730\u6cd5\u89c4<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u9996\u5148\uff0c\u5fc5\u987b\u4e86\u89e3\u6240\u5728\u5730\u533a\u7684\u65e0\u7ebf\u7535\u9891\u7387\u89c4\u5b9a\u3002\u4e0d\u540c\u56fd\u5bb6\u548c\u5730\u533a\u6709\u4e0d\u540c\u7684\u65e0\u7ebf\u7535\u9891\u7387\u89c4\u5b9a\uff0c\u8fd9\u4e9b\u89c4\u5b9a\u901a\u5e38\u7531\u5f53\u5730\u7684\u7535\u4fe1\u76d1\u7ba1\u673a\u6784\u5236\u5b9a\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f8b\u5982\uff0c\u5728\u6b27\u6d32\uff0cLoRa\u8bbe\u5907\u901a\u5e38\u4f7f\u7528868 MHz\u9891\u6bb5\uff0c\u8fd9\u7b26\u5408ETSI\u89c4\u8303\u3002\u5728\u7f8e\u56fd\uff0cLoRa\u8bbe\u5907\u901a\u5e38\u4f7f\u7528915 MHz\u9891\u6bb5\uff0c\u8fd9\u7b26\u5408FCC\u89c4\u8303\u3002\u5728\u4e9a\u592a\u5730\u533a\uff0cLoRa\u8bbe\u5907\u901a\u5e38\u4f7f\u7528923 MHz\u9891\u6bb5\uff0c\u8fd9\u7b26\u5408ARIB\u548cSRRC\u7b49\u89c4\u8303\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u62e9\u5408\u9002\u7684\u9891\u6bb5<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u6839\u636e\u5f53\u5730\u7684\u6cd5\u89c4\u548c\u9891\u6bb5\u8d44\u6e90\u9009\u62e9\u5408\u9002\u7684\u9891\u6bb5\u3002\u5e38\u89c1\u7684LoRa\u9891\u6bb5\u5305\u62ec433MHz\u3001868MHz\u548c915MHz\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0d\u540c\u9891\u6bb5\u7684\u4fe1\u9053\u9009\u62e9\u3001\u4f20\u8f93\u8ddd\u79bb\u548c\u7a7f\u900f\u80fd\u529b\u4f1a\u6709\u6240\u4e0d\u540c\uff0c\u56e0\u6b64\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u8fdb\u884c\u9009\u62e9\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u786e\u5b9a\u5e26\u5bbd<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u652f\u6301\u4e0d\u540c\u7684\u5e26\u5bbd\u8bbe\u7f6e\uff0c\u5e38\u89c1\u7684\u5e26\u5bbd\u6709125 kHz\u3001250 kHz\u548c500 kHz\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8f83\u7a84\u7684\u5e26\u5bbd(\u5982125 kHz)\u53ef\u4ee5\u63d0\u4f9b\u66f4\u957f\u7684\u901a\u4fe1\u8ddd\u79bb\u548c\u8f83\u4f4e\u7684\u529f\u8017\uff0c\u4f46\u4f20\u8f93\u901f\u7387\u8f83\u6162;\u8f83\u5bbd\u7684\u5e26\u5bbd(\u5982500 kHz)\u53ef\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u4f20\u8f93\u901f\u7387\uff0c\u4f46\u901a\u4fe1\u8ddd\u79bb\u53ef\u80fd\u8f83\u77ed\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42(\u5982\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u901a\u4fe1\u8ddd\u79bb)\uff0c\u9009\u62e9\u5408\u9002\u7684\u5e26\u5bbd\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u4f4e\u6570\u636e\u901f\u7387\u7684\u5e94\u7528\uff0c\u53ef\u4ee5\u9009\u62e9\u8f83\u7a84\u7684\u5e26\u5bbd;\u800c\u5bf9\u4e8e\u9ad8\u6570\u636e\u901f\u7387\u7684\u5e94\u7528\uff0c\u5219\u53ef\u4ee5\u9009\u62e9\u8f83\u5bbd\u7684\u5e26\u5bbd\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4fe1\u9053\u95f4\u9694<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728LoRa\u7cfb\u7edf\u4e2d\uff0c\u4fe1\u9053\u95f4\u9694\u901a\u5e38\u4e3a125 kHz\u3001250 kHz\u6216500 kHz\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u786e\u4fdd\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u4e0d\u4f1a\u76f8\u4e92\u5e72\u6270\uff0c\u5efa\u8bae\u9009\u62e9\u4e0d\u540c\u7684\u4fe1\u9053\u95f4\u9694\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u529f\u7387\u63a7\u5236<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u6839\u636e\u5f53\u5730\u7684\u6cd5\u89c4\u548c\u9891\u6bb5\u8d44\u6e90\uff0c\u5408\u7406\u8bbe\u7f6e\u53d1\u5c04\u529f\u7387\u3002\u8fc7\u9ad8\u7684\u53d1\u5c04\u529f\u7387\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5e72\u6270\u5176\u4ed6\u8bbe\u5907\uff0c\u800c\u8fc7\u4f4e\u7684\u53d1\u5c04\u529f\u7387\u5219\u53ef\u80fd\u65e0\u6cd5\u8986\u76d6\u6240\u9700\u7684\u901a\u4fe1\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRaWAN\u2122\u6280\u672f\u63d0\u4f9b\u4e86\u529f\u7387\u63a7\u5236\u529f\u80fd\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u8c03\u6574\u53d1\u5c04\u529f\u7387\uff0c\u4ee5\u8fbe\u5230\u6700\u4f73\u7684\u901a\u4fe1\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7efc\u5408\u8003\u8651<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u9009\u62e9\u9891\u6bb5\u548c\u5e26\u5bbd\u65f6\uff0c\u8fd8\u9700\u8981\u8003\u8651\u5468\u56f4\u73af\u5883\u7684\u9891\u8c31\u4f7f\u7528\u60c5\u51b5\uff0c\u907f\u514d\u4e0e\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u9891\u6bb5\u91cd\u53e0\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u8baf\u6548\u7387\u548c\u8d28\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5408\u7406\u89c4\u5212\u9891\u7387\u4e0d\u4ec5\u80fd\u591f\u907f\u514d\u9891\u7387\u51b2\u7a81\uff0c\u8fd8\u80fd\u63d0\u9ad8\u6574\u4e2a\u7f51\u7edc\u7684\u901a\u4fe1\u6548\u7387\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u6297\u5e72\u6270\u80fd\u529b\u5982\u4f55?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u56e0\u5176\u51fa\u8272\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5728\u7269\u8054\u7f51(IoT)\u548c\u667a\u80fd\u57ce\u5e02\u7b49\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\u3002\u5176\u6297\u5e72\u6270\u7279\u6027\u4e0d\u4ec5\u4e0e\u5176\u72ec\u7279\u7684\u7269\u7406\u5c42\u8bbe\u8ba1\u548c\u8c03\u5236\u65b9\u5f0f\u5bc6\u5207\u76f8\u5173\uff0c\u8fd8\u53d7\u5230\u4f20\u8f93\u73af\u5883\u3001\u4fe1\u53f7\u9891\u7387\u3001\u7f51\u7edc\u62d3\u6251\u7b49\u591a\u65b9\u9762\u56e0\u7d20\u7684\u5f71\u54cd\u3002LoRa\u91c7\u7528**Chirp Spread Spectrum(CSS)**\u8c03\u5236\u6280\u672f\uff0c\u8fd9\u79cd\u6280\u672f\u4f7f\u5176\u5728\u590d\u6742\u548c\u5e72\u6270\u4e25\u91cd\u7684\u65e0\u7ebf\u73af\u5883\u4e2d\u4f9d\u7136\u80fd\u4fdd\u6301\u7a33\u5b9a\u7684\u901a\u4fe1\u6027\u80fd\uff0c\u5c24\u5176\u662f\u5728\u9762\u5bf9\u4fe1\u53f7\u8870\u51cf\u3001\u566a\u58f0\u5e72\u6270\u4ee5\u53ca\u591a\u8def\u5f84\u6548\u5e94\u65f6\u3002\u901a\u8fc7\u6269\u5c55\u4fe1\u53f7\u5e26\u5bbd\u548c\u8c03\u5236\u9891\u7387\uff0cCSS\u8c03\u5236\u65b9\u5f0f\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4f7f\u5f97LoRa\u80fd\u591f\u5728\u4f4e\u4fe1\u566a\u6bd4(SNR)\u6761\u4ef6\u4e0b\u6709\u6548\u4f20\u8f93\u6570\u636e\uff0c\u4fdd\u969c\u4e86\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u548c\u9c81\u68d2\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u6297\u5e72\u6270\u80fd\u529b\u65b9\u9762\uff0cLoRa\u7684<strong>\u4f20\u8f93\u8ddd\u79bb<\/strong>\u662f\u4e00\u4e2a\u5173\u952e\u6307\u6807\u3002\u4f4e\u9891\u6bb5\u7684LoRa\u8bbe\u5907(\u4f8b\u5982433 MHz\u548c868 MHz)\u80fd\u591f\u5728\u5f00\u9614\u73af\u5883\u4e2d\u5b9e\u73b0\u66f4\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u901a\u5e38\u53ef\u4ee5\u8fbe\u523010\u81f315\u516c\u91cc\u3002\u8fd9\u79cd\u4f20\u8f93\u8ddd\u79bb\u7684\u4f18\u52bf\u6e90\u81ea\u4f4e\u9891\u4fe1\u53f7\u8f83\u957f\u7684\u6ce2\u957f\uff0c\u80fd\u591f\u7a7f\u900f\u969c\u788d\u7269\uff0c\u51cf\u5c11\u8870\u51cf\u548c\u53cd\u5c04\uff0c\u8fdb\u800c\u51cf\u5c11\u5e72\u6270\u7684\u5f71\u54cd\u3002\u7136\u800c\uff0c\u9891\u6bb5\u7684\u9009\u62e9\u540c\u6837\u4f1a\u5f71\u54cd\u4f20\u8f93\u8ddd\u79bb\u7684\u7a33\u5b9a\u6027\u3002\u5728\u9ad8\u9891\u6bb5(\u5982915 MHz)\u4e2d\uff0c\u7531\u4e8e\u9891\u7387\u66f4\u9ad8\uff0c\u4fe1\u53f7\u8870\u51cf\u8f83\u5feb\uff0c\u4f20\u8f93\u8ddd\u79bb\u76f8\u5bf9\u8f83\u77ed\uff0c\u4f46\u4f9d\u7136\u80fd\u591f\u901a\u8fc7LoRa\u7684\u9ad8\u6548\u4fe1\u53f7\u6269\u9891\u548c\u8c03\u5236\u6280\u672f\uff0c\u5728\u8f83\u4e3a\u590d\u6742\u7684\u73af\u5883\u4e2d\u7ef4\u6301\u8f83\u957f\u7684\u7a33\u5b9a\u8ddd\u79bb\u3002\u5728\u5e72\u6270\u6e90\u8f83\u591a\u7684\u57ce\u5e02\u73af\u5883\u4e2d\uff0c\u4f4e\u9891\u6bb5\u7684\u4f20\u8f93\u4f18\u52bf\u5c24\u5176\u7a81\u51fa\uff0c\u800c\u9ad8\u9891\u6bb5\u5728\u4fe1\u53f7\u5bc6\u5ea6\u8f83\u9ad8\u7684\u533a\u57df\u8868\u73b0\u66f4\u4f73\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u7684\u6297\u5e72\u6270\u6027\u80fd\u8fd8\u4f53\u73b0\u5728\u5176\u9891\u8c31\u7ba1\u7406\u548c<strong>\u524d\u5411\u7ea0\u9519\uff08FEC\uff09\u6280\u672f\u4e0a\u3002LoRa\u8bbe\u5907\u901a\u8fc7\u81ea\u9002\u5e94\u9891\u8c31\u7ba1\u7406<\/strong>\u6280\u672f\uff0c\u5728\u591a\u4e2a\u9891\u6bb5\u4e4b\u95f4\u52a8\u6001\u9009\u62e9\u6700\u5408\u9002\u7684\u901a\u4fe1\u4fe1\u9053\uff0c\u907f\u514d\u9891\u7387\u51b2\u7a81\u548c\u62e5\u585e\u3002\u8fd9\u79cd\u9891\u8c31\u7075\u6d3b\u6027\u4f7f\u5f97LoRa\u80fd\u591f\u5728\u9891\u7e41\u5e72\u6270\u7684\u73af\u5883\u4e2d\u7ef4\u6301\u8f83\u9ad8\u7684\u901a\u4fe1\u8d28\u91cf\uff0c\u7279\u522b\u662f\u5728\u6709\u5927\u91cf\u8bbe\u5907\u5171\u7528\u9891\u8c31\u7684\u60c5\u51b5\u4e0b\u3002\u5728\u9762\u5bf9\u65e0\u7ebf\u7535\u5e72\u6270\u65f6\uff0cLoRa\u7684\u524d\u5411\u7ea0\u9519\u673a\u5236\u80fd\u591f\u6709\u6548\u5730\u63d0\u5347\u6570\u636e\u7684\u63a5\u6536\u7387\uff0c\u901a\u8fc7\u5728\u6570\u636e\u5305\u4e2d\u52a0\u5165\u5197\u4f59\u4fe1\u606f\uff0c\u63a5\u6536\u7aef\u80fd\u591f\u81ea\u52a8\u7ea0\u6b63\u90e8\u5206\u9519\u8bef\uff0c\u964d\u4f4e\u56e0\u4fe1\u53f7\u8870\u51cf\u6216\u5e72\u6270\u5e26\u6765\u7684\u6570\u636e\u635f\u5931\u3002\u6b64\u5916\uff0cLoRa\u91c7\u7528\u7684<strong>\u6269\u9891\u6280\u672f<\/strong>\u53ef\u4ee5\u5c06\u4fe1\u606f\u6269\u5c55\u81f3\u66f4\u5bbd\u7684\u9891\u5e26\uff0c\u8fd9\u79cd\u6280\u672f\u4e0d\u4ec5\u51cf\u5c11\u4e86\u4e0e\u5176\u4ed6\u4fe1\u53f7\u7684\u5e72\u6270\uff0c\u8fd8\u4f7f\u5f97\u5176\u5728\u591a\u8def\u5f84\u6548\u5e94\u4e25\u91cd\u7684\u73af\u5883\u4e2d\u4f9d\u7136\u80fd\u591f\u4fdd\u6301\u8f83\u4f4e\u7684\u8bef\u7801\u7387\u548c\u8f83\u9ad8\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u5bf9LoRa\u7684\u6297\u5e72\u6270\u80fd\u529b\u63d0\u51fa\u4e86\u4e0d\u540c\u7684\u8981\u6c42\u3002\u5728\u667a\u80fd\u519c\u4e1a\u548c\u73af\u5883\u76d1\u6d4b\u4e2d\uff0cLoRa\u8bbe\u5907\u901a\u5e38\u9700\u8981\u5728\u8fdc\u8ddd\u79bb\u548c\u4f4e\u5e26\u5bbd\u6761\u4ef6\u4e0b\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u56e0\u6b64\uff0cLoRa\u5728\u4f4e\u9891\u6bb5\u7684\u957f\u8ddd\u79bb\u4f20\u8f93\u80fd\u529b\u548c\u9ad8\u6297\u5e72\u6270\u6027\u5c24\u4e3a\u91cd\u8981\u3002\u5728\u8fd9\u4e9b\u5e94\u7528\u4e2d\uff0c\u73af\u5883\u4e2d\u7684\u4fe1\u53f7\u8870\u51cf\u548c\u5e72\u6270\u6e90\u8f83\u591a\uff0cLoRa\u7684\u6297\u5e72\u6270\u7279\u6027\u901a\u8fc7\u6269\u5c55\u9891\u8c31\u548c\u4f18\u5316\u4fe1\u53f7\u5904\u7406\uff0c\u5728\u6076\u52a3\u73af\u5883\u4e2d\u786e\u4fdd\u4e86\u6570\u636e\u7684\u7a33\u5b9a\u4f20\u8f93\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u5728\u5de5\u4e1a\u7269\u8054\u7f51(IIoT)\u548c\u667a\u80fd\u57ce\u5e02\u7b49\u5e94\u7528\u4e2d\uff0cLoRa\u8bbe\u5907\u9700\u8981\u652f\u6301\u5927\u91cf\u7684\u8bbe\u5907\u63a5\u5165\u548c\u9ad8\u9891\u6b21\u7684\u6570\u636e\u4ea4\u4e92\uff0c\u867d\u7136\u4fe1\u53f7\u8870\u51cf\u8f83\u4e3a\u8f7b\u5fae\uff0c\u4f46\u591a\u8bbe\u5907\u5171\u7528\u9891\u8c31\u548c\u9ad8\u5bc6\u5ea6\u4fe1\u53f7\u73af\u5883\u4f9d\u7136\u4f1a\u5e26\u6765\u5e72\u6270\u3002\u5728\u8fd9\u4e9b\u573a\u666f\u4e2d\uff0cLoRa\u7684\u9891\u8c31\u7ba1\u7406\u548c\u52a8\u6001\u4fe1\u9053\u9009\u62e9\u80fd\u529b\u80fd\u591f\u6709\u6548\u51cf\u5c11\u4fe1\u53f7\u51b2\u7a81\uff0c\u63d0\u5347\u6297\u5e72\u6270\u6027\u80fd\uff0c\u786e\u4fdd\u9ad8\u6548\u7684\u7f51\u7edc\u534f\u4f5c\u4e0e\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u603b\u4e4b\uff0cLoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u6297\u5e72\u6270\u80fd\u529b\u6e90\u81ea\u5176\u72ec\u7279\u7684\u8c03\u5236\u65b9\u5f0f\u3001\u9891\u8c31\u5229\u7528\u7b56\u7565\u3001\u4ee5\u53ca\u5148\u8fdb\u7684\u4fe1\u53f7\u5904\u7406\u6280\u672f\u3002\u901a\u8fc7<strong>CSS\u8c03\u5236<\/strong>\u3001<strong>\u9891\u8c31\u7ba1\u7406<\/strong>\u3001<strong>\u524d\u5411\u7ea0\u9519\u673a\u5236<\/strong>\u7b49\u6280\u672f\uff0cLoRa\u80fd\u591f\u5728\u4e0d\u540c\u5e72\u6270\u73af\u5883\u4e2d\u5b9e\u73b0\u7a33\u5b9a\u53ef\u9760\u7684\u901a\u4fe1\u3002\u968f\u7740\u7269\u8054\u7f51\u5e94\u7528\u7684\u4e0d\u65ad\u53d1\u5c55\uff0cLoRa\u7684\u6297\u5e72\u6270\u6027\u80fd\u5c06\u5728\u66f4\u4e3a\u590d\u6742\u7684\u65e0\u7ebf\u73af\u5883\u4e2d\u53d1\u6325\u66f4\u5927\u7684\u4f5c\u7528\uff0c\u4e3a\u5404\u79cd\u667a\u80fd\u53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