{"id":100426,"date":"2025-01-14T13:46:57","date_gmt":"2025-01-14T05:46:57","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=100426"},"modified":"2025-01-14T13:47:04","modified_gmt":"2025-01-14T05:47:04","slug":"shlqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/100426.html","title":{"rendered":"Sub1G\u548cLoRa\u533a\u522b"},"content":{"rendered":"\n<p>\u3000\u3000<strong><a href=\"https:\/\/www.techphant.cn\/tag\/sub1g\" data-type=\"post_tag\" data-id=\"347\">Sub1G<\/a><\/strong>\u548c<strong><a href=\"https:\/\/www.techphant.cn\/blog\/100422.html\" data-type=\"post\" data-id=\"100422\">LoRa<\/a><\/strong>\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u4eec\u5728\u9891\u6bb5\u3001\u4f20\u8f93\u8ddd\u79bb\u3001\u529f\u8017\u548c\u5e94\u7528\u573a\u666f\u7b49\u65b9\u9762\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9891\u6bb5<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>Sub1G<\/strong>\uff1aSub1G\u6307\u7684\u662f\u4f4e\u4e8e1 GHz\u7684\u9891\u6bb5\uff0c\u901a\u5e38\u5305\u62ec315 MHz\u3001433 MHz\u3001868 MHz\u7b49\u9891\u6bb5\u3002\u8fd9\u4e9b\u9891\u6bb5\u7531\u4e8e\u9891\u7387\u8f83\u4f4e\uff0c\u56e0\u6b64\u5177\u6709\u66f4\u957f\u7684\u4f20\u64ad\u8ddd\u79bb\u548c\u66f4\u5f3a\u7684\u7a7f\u900f\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u9700\u8981\u8fdc\u8ddd\u79bb\u4f20\u8f93\u7684\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>LoRa<\/strong>\uff1aLoRa\u662f\u4e00\u79cd\u57fa\u4e8e\u6269\u9891\u6280\u672f\u7684\u65e0\u7ebf\u901a\u4fe1\u65b9\u5f0f\uff0c\u5de5\u4f5c\u5728Sub-1 GHz\u9891\u6bb5\uff0c\u5177\u4f53\u9891\u7387\u5982433 MHz\u3001868 MHz\u7b49\u3002LoRa\u6280\u672f\u5229\u7528\u4e86\u6269\u9891\u6280\u672f\uff0c\u80fd\u591f\u5728\u4f4e\u529f\u8017\u4e0b\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u901a\u4fe1\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>\u4f20\u8f93\u8ddd\u79bb<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>Sub1G<\/strong>\uff1aSub1G\u6280\u672f\u7531\u4e8e\u5176\u8f83\u4f4e\u7684\u9891\u7387\uff0c\u53ef\u4ee5\u5b9e\u73b0\u975e\u5e38\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0cSub1G\u53ef\u4ee5\u8986\u76d6\u6570\u5341\u516c\u91cc\u7684\u8ddd\u79bb\uff0c\u8fd9\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u7528\u4e8e\u9700\u8981\u957f\u8ddd\u79bb\u901a\u4fe1\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>LoRa<\/strong>\uff1aLoRa\u6280\u672f\u540c\u6837\u80fd\u591f\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u901a\u4fe1\uff0c\u901a\u5e38\u5728\u51e0\u516c\u91cc\u5230\u51e0\u5341\u516c\u91cc\u4e4b\u95f4\u3002\u5176\u7279\u70b9\u662f\u4f4e\u529f\u8017\u548c\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u56e0\u6b64\u975e\u5e38\u9002\u5408\u7269\u8054\u7f51(IoT)\u5e94\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>\u529f\u8017<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>Sub1G<\/strong>\uff1aSub1G\u6280\u672f\u901a\u5e38\u7528\u4e8e\u9700\u8981\u8f83\u9ad8\u6570\u636e\u901f\u7387\u7684\u5e94\u7528\uff0c\u56e0\u6b64\u5176\u529f\u8017\u76f8\u5bf9\u8f83\u9ad8\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5176\u957f\u8ddd\u79bb\u4f20\u8f93\u80fd\u529b\uff0c\u5b83\u5728\u67d0\u4e9b\u5e94\u7528\u4e2d\u4ecd\u7136\u662f\u9996\u9009\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>LoRa<\/strong>\uff1aLoRa\u4ee5\u5176\u4f4e\u529f\u8017\u8457\u79f0\uff0c\u975e\u5e38\u9002\u5408\u9700\u8981\u957f\u671f\u8fd0\u884c\u4e14\u5bf9\u7535\u6c60\u5bff\u547d\u8981\u6c42\u9ad8\u7684\u8bbe\u5907\uff0c\u5982\u667a\u80fd\u7535\u8868\u548c\u4f20\u611f\u5668\u7f51\u7edc\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>\u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>Sub1G<\/strong>\uff1aSub1G\u6280\u672f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u519c\u4e1a\u7b49\u9886\u57df\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u8fdc\u8ddd\u79bb\u901a\u4fe1\u548c\u9ad8\u7a7f\u900f\u529b\u7684\u73af\u5883\u4e2d\u8868\u73b0\u4f18\u5f02\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>LoRa<\/strong>\uff1aLoRa\u6280\u672f\u5219\u66f4\u591a\u5730\u5e94\u7528\u4e8e\u7269\u8054\u7f51(IoT)\u3001\u667a\u6167\u57ce\u5e02\u3001\u8fdc\u7a0b\u76d1\u63a7\u7b49\u9886\u57df\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u4f4e\u529f\u8017\u548c\u957f\u8ddd\u79bb\u901a\u4fe1\u7684\u573a\u666f\u4e2d\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000Sub1G\u548cLoRa\u867d\u7136\u90fd\u5c5e\u4e8eSub-1 GHz\u9891\u6bb5\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u4f46\u5b83\u4eec\u5728\u4f20\u8f93\u8ddd\u79bb\u3001\u529f\u8017\u548c\u5177\u4f53\u5e94\u7528\u573a\u666f\u4e0a\u5404\u6709\u4f18\u52bf\u3002Sub1G\u9002\u5408\u9700\u8981\u8fdc\u8ddd\u79bb\u548c\u9ad8\u7a7f\u900f\u529b\u7684\u573a\u666f\uff0c\u800cLoRa\u5219\u66f4\u9002\u5408\u9700\u8981\u4f4e\u529f\u8017\u548c\u957f\u8ddd\u79bb\u901a\u4fe1\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 Sub1G\u548cLoRa\u5728\u5b89\u5168\u6027\u65b9\u9762\u7684\u5dee\u5f02<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u65e0\u7ebf\u901a\u4fe1\u9886\u57df\uff0c<strong>Sub1G<\/strong>\u548c<strong>LoRa<\/strong>\u4f5c\u4e3a\u4e24\u79cd\u91cd\u8981\u7684\u4f4e\u9891\u6bb5\u6280\u672f\uff0c\u5404\u81ea\u5728\u5b89\u5168\u6027\u65b9\u9762\u8868\u73b0\u51fa\u663e\u8457\u7684\u5dee\u5f02\u3002\u9996\u5148\uff0c\u4ece<strong>\u52a0\u5bc6\u673a\u5236<\/strong>\u6765\u770b\uff0cLoRa\u901a\u5e38\u4f9d\u8d56\u4e8e<strong>AES-128<\/strong>\u52a0\u5bc6\u7b97\u6cd5\u6765\u4fdd\u969c\u6570\u636e\u4f20\u8f93\u7684\u673a\u5bc6\u6027\u548c\u5b89\u5168\u6027\u3002LoRaWAN\u534f\u8bae\u5728\u5176\u5e94\u7528\u5c42\u548c\u7f51\u7edc\u5c42\u5206\u522b\u5b9e\u65bd\u72ec\u7acb\u7684\u52a0\u5bc6\u5bc6\u94a5\uff0c\u786e\u4fdd\u6570\u636e\u5728\u7aef\u5230\u7aef\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4e0d\u88ab\u672a\u7ecf\u6388\u6743\u7684\u7b2c\u4e09\u65b9\u7a83\u53d6\u6216\u7be1\u6539\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cSub1G\u6db5\u76d6\u4e86\u591a\u79cd\u4e0d\u540c\u7684\u65e0\u7ebf\u901a\u4fe1\u534f\u8bae\u548c\u6280\u672f\uff0c\u5176\u52a0\u5bc6\u673a\u5236\u5219\u56e0\u5177\u4f53\u5b9e\u73b0\u800c\u5f02\u3002\u4e00\u4e9bSub1G\u6280\u672f\u53ef\u80fd\u91c7\u7528\u8f83\u4e3a\u7b80\u5355\u7684\u52a0\u5bc6\u65b9\u6cd5\uff0c\u751a\u81f3\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u7f3a\u4e4f\u5185\u7f6e\u7684\u52a0\u5bc6\u529f\u80fd\uff0c\u8fd9\u4f7f\u5f97\u5176\u5728\u9ed8\u8ba4\u914d\u7f6e\u4e0b\u7684\u5b89\u5168\u6027\u4e0d\u53caLoRa\u3002\u6b64\u5916\uff0cLoRa\u7684\u52a0\u5bc6\u673a\u5236\u7ecf\u8fc7\u4e25\u683c\u7684\u6807\u51c6\u5316\u548c\u5e7f\u6cdb\u7684\u6d4b\u8bd5\uff0c\u63d0\u4f9b\u4e86\u66f4\u4e3a\u53ef\u9760\u7684\u5b89\u5168\u4fdd\u969c\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5176\u6b21\uff0c\u5728<strong>\u8ba4\u8bc1\u4e0e\u6388\u6743<\/strong>\u65b9\u9762\uff0cLoRa\u901a\u8fc7LoRaWAN\u534f\u8bae\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u8bbe\u5907\u8ba4\u8bc1\u673a\u5236\u3002\u6bcf\u4e2aLoRa\u8bbe\u5907\u5728\u52a0\u5165\u7f51\u7edc\u65f6\u5fc5\u987b\u901a\u8fc7<strong>\u7f51\u7edc\u670d\u52a1\u5668<\/strong>\u7684\u8ba4\u8bc1\uff0c\u4f7f\u7528\u552f\u4e00\u7684\u8bbe\u5907\u5bc6\u94a5(DevEUI)\u548c\u5e94\u7528\u5bc6\u94a5(AppKey)\uff0c\u786e\u4fdd\u53ea\u6709\u7ecf\u8fc7\u6388\u6743\u7684\u8bbe\u5907\u624d\u80fd\u63a5\u5165\u7f51\u7edc\u5e76\u8fdb\u884c\u901a\u4fe1\u3002\u8fd9\u79cd\u591a\u5c42\u6b21\u7684\u8ba4\u8bc1\u673a\u5236\u6709\u6548\u9632\u6b62\u4e86\u672a\u6388\u6743\u8bbe\u5907\u7684\u63a5\u5165\u548c\u6f5c\u5728\u7684\u7f51\u7edc\u653b\u51fb\u3002\u800c\u5728Sub1G\u6280\u672f\u4e2d\uff0c\u8ba4\u8bc1\u673a\u5236\u7684\u5b9e\u73b0\u5219\u9ad8\u5ea6\u4f9d\u8d56\u4e8e\u5177\u4f53\u7684\u534f\u8bae\u548c\u5e94\u7528\u573a\u666f\u3002\u67d0\u4e9bSub1G\u89e3\u51b3\u65b9\u6848\u53ef\u80fd\u4ec5\u63d0\u4f9b\u57fa\u672c\u7684\u8ba4\u8bc1\u529f\u80fd\uff0c\u7f3a\u4e4fLoRaWAN\u6240\u5177\u5907\u7684\u591a\u91cd\u8ba4\u8bc1\u5c42\u7ea7\uff0c\u5bb9\u6613\u53d7\u5230\u5047\u5192\u8bbe\u5907\u548c\u672a\u7ecf\u6388\u6743\u8bbf\u95ee\u7684\u5a01\u80c1\u3002\u56e0\u6b64\uff0cLoRa\u5728\u8bbe\u5907\u8ba4\u8bc1\u4e0e\u6388\u6743\u65b9\u9762\u8868\u73b0\u51fa\u66f4\u4e3a\u5168\u9762\u548c\u4e25\u683c\u7684\u5b89\u5168\u63a7\u5236\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7b2c\u4e09\uff0c\u5173\u4e8e<strong>\u6570\u636e\u5b8c\u6574\u6027<\/strong>\uff0cLoRa\u901a\u8fc7\u5185\u7f6e\u7684\u6d88\u606f\u5b8c\u6574\u6027\u4ee3\u7801(MIC)\u673a\u5236\uff0c\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u672a\u88ab\u7be1\u6539\u3002MIC\u901a\u8fc7\u5bf9\u6d88\u606f\u5185\u5bb9\u8fdb\u884c\u54c8\u5e0c\u8ba1\u7b97\uff0c\u751f\u6210\u4e00\u4e2a\u77ed\u5c0f\u7684\u6821\u9a8c\u7801\uff0c\u63a5\u6536\u7aef\u5728\u63a5\u6536\u6d88\u606f\u540e\u91cd\u65b0\u8ba1\u7b97\u5e76\u9a8c\u8bc1MIC\uff0c\u4ee5\u786e\u8ba4\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u771f\u5b9e\u6027\u3002\u8fd9\u4e00\u673a\u5236\u6709\u6548\u9632\u6b62\u4e86\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u88ab\u6076\u610f\u4fee\u6539\u6216\u4f2a\u9020\u3002\u800c\u5728Sub1G\u6280\u672f\u4e2d\uff0c\u6570\u636e\u5b8c\u6574\u6027\u7684\u4fdd\u969c\u7a0b\u5ea6\u56e0\u5177\u4f53\u5b9e\u73b0\u800c\u5f02\u3002\u4e00\u4e9bSub1G\u534f\u8bae\u53ef\u80fd\u7f3a\u4e4f\u7c7b\u4f3c\u7684\u5b8c\u6574\u6027\u6821\u9a8c\u673a\u5236\uff0c\u6216\u8005\u5176\u6821\u9a8c\u673a\u5236\u4e0d\u591f\u5065\u5168\uff0c\u5bfc\u81f4\u6570\u636e\u6613\u53d7\u5230\u7be1\u6539\u548c\u4f2a\u9020\u653b\u51fb\u7684\u5f71\u54cd\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cLoRa\u5728\u6570\u636e\u5b8c\u6574\u6027\u4fdd\u62a4\u65b9\u9762\u63d0\u4f9b\u4e86\u66f4\u4e3a\u53ef\u9760\u548c\u9ad8\u6548\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u786e\u4fdd\u901a\u4fe1\u5185\u5bb9\u7684\u53ef\u4fe1\u5ea6\u548c\u4e00\u81f4\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6700\u540e\uff0c\u5728<strong>\u6297\u653b\u51fb\u80fd\u529b<\/strong>\u65b9\u9762\uff0cLoRa\u7531\u4e8e\u5176\u91c7\u7528\u4e86\u5148\u8fdb\u7684\u52a0\u5bc6\u548c\u8ba4\u8bc1\u673a\u5236\uff0c\u5bf9\u591a\u79cd\u5e38\u89c1\u653b\u51fb\u5f62\u5f0f\u8868\u73b0\u51fa\u8f83\u9ad8\u7684\u6297\u6027\u3002\u4f8b\u5982\uff0cLoRa\u80fd\u591f\u6709\u6548\u9632\u8303<strong>\u91cd\u653e\u653b\u51fb<\/strong>\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u6d88\u606f\u90fd\u5305\u542b\u552f\u4e00\u7684<strong>\u5e27\u8ba1\u6570\u5668\uff08Frame Counter\uff09<\/strong>\uff0c\u9632\u6b62\u65e7\u6d88\u606f\u88ab\u91cd\u65b0\u53d1\u9001\u4ee5\u6b3a\u9a97\u7f51\u7edc\u3002\u800c\u5728Sub1G\u6280\u672f\u4e2d\uff0c\u6297\u653b\u51fb\u80fd\u529b\u7684\u5f3a\u5f31\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5b9e\u73b0\u548c\u6240\u91c7\u7528\u7684\u5b89\u5168\u63aa\u65bd\u3002\u67d0\u4e9bSub1G\u89e3\u51b3\u65b9\u6848\u53ef\u80fd\u7f3a\u4e4f\u5bf9\u91cd\u653e\u653b\u51fb\u3001<strong>\u4e2d\u95f4\u4eba\u653b\u51fb<\/strong>\u548c**\u62d2\u7edd\u670d\u52a1\u653b\u51fb(DoS)**\u7684\u6709\u6548\u9632\u62a4\uff0c\u5bb9\u6613\u53d7\u5230\u5404\u79cd\u5b89\u5168\u5a01\u80c1\u7684\u4fb5\u5bb3\u3002LoRa\u901a\u8fc7\u5176\u5168\u9762\u7684\u5b89\u5168\u67b6\u6784\u548c\u6301\u7eed\u7684\u5b89\u5168\u66f4\u65b0\uff0c\u663e\u8457\u589e\u5f3a\u4e86\u7cfb\u7edf\u7684\u6574\u4f53\u6297\u653b\u51fb\u80fd\u529b\uff0c\u786e\u4fdd\u5728\u590d\u6742\u548c\u591a\u53d8\u7684\u65e0\u7ebf\u73af\u5883\u4e2d\u4f9d\u7136\u80fd\u591f\u4fdd\u6301\u9ad8\u6c34\u5e73\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u867d\u7136Sub1G\u548cLoRa\u5747\u5728\u4f4e\u9891\u6bb5\u65e0\u7ebf\u901a\u4fe1\u4e2d\u5360\u636e\u91cd\u8981\u5730\u4f4d\uff0c\u4f46\u5728\u5b89\u5168\u6027\u65b9\u9762\uff0cLoRa\u51ed\u501f\u5176\u5148\u8fdb\u7684\u52a0\u5bc6\u673a\u5236\u3001\u4e25\u683c\u7684\u8ba4\u8bc1\u4e0e\u6388\u6743\u6d41\u7a0b\u3001\u5b8c\u5584\u7684\u6570\u636e\u5b8c\u6574\u6027\u4fdd\u62a4\u4ee5\u53ca\u5f3a\u5927\u7684\u6297\u653b\u51fb\u80fd\u529b\uff0c\u5c55\u73b0\u51fa\u66f4\u4e3a\u5353\u8d8a\u7684\u5b89\u5168\u6027\u80fd\u3002\u8fd9\u4f7f\u5f97LoRa\u5728\u9700\u8981\u9ad8\u5ea6\u5b89\u5168\u4fdd\u969c\u7684\u7269\u8054\u7f51\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u6210\u4e3a\u66f4\u52a0\u7406\u60f3\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u6280\u672f\u7684\u8c03\u5236\u65b9\u5f0f\u5177\u4f53\u662f\u5982\u4f55\u5b9e\u73b0\u4f4e\u529f\u8017\u548c\u957f\u8ddd\u79bb\u901a\u4fe1\u7684?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u7684\u8c03\u5236\u65b9\u5f0f\u57fa\u4e8e<strong>Chirp Spread Spectrum\uff08CSS\uff09\u8c03\u5236\u6280\u672f<\/strong>\uff0c\u8fd9\u662f\u4e00\u79cd\u901a\u8fc7\u9891\u7387\u968f\u65f6\u95f4\u7ebf\u6027\u53d8\u5316\u7684\u201c\u5541\u557e\u201d\u4fe1\u53f7\u6765\u4f20\u8f93\u6570\u636e\u7684\u65b9\u6cd5\u3002CSS\u8c03\u5236\u901a\u8fc7\u5728\u8f83\u5bbd\u7684\u9891\u8c31\u4e0a\u5206\u6563\u4fe1\u53f7\u80fd\u91cf\uff0c\u6709\u6548\u5730\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u4f20\u8f93\u53ef\u9760\u6027\u3002\u5177\u4f53\u800c\u8a00\uff0cLoRa\u901a\u8fc7\u8c03\u6574<strong>\u6269\u9891\u56e0\u5b50\uff08Spreading Factor, SF\uff09<\/strong>\uff0c\u5c06\u4f4e\u901f\u6570\u636e\u6d41\u6269\u5c55\u5230\u66f4\u5bbd\u7684\u5e26\u5bbd\u8303\u56f4\uff0c\u4ece\u800c\u5728\u566a\u58f0\u73af\u5883\u4e2d\u4fdd\u6301\u9ad8\u7075\u654f\u5ea6\u63a5\u6536\u3002\u8fd9\u79cd\u8c03\u5236\u65b9\u5f0f\u4e0d\u4ec5\u80fd\u591f\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u4e2d\u4fdd\u6301\u4fe1\u53f7\u7684\u5b8c\u6574\u6027\uff0c\u8fd8\u80fd\u591f\u5728\u591a\u5f84\u4f20\u64ad\u548c\u9891\u7387\u9009\u62e9\u6027\u8870\u843d\u7b49\u590d\u6742\u65e0\u7ebf\u73af\u5883\u4e2d\u63d0\u4f9b\u7a33\u5065\u7684\u901a\u4fe1\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u5b9e\u73b0\u957f\u8ddd\u79bb\u901a\u4fe1\uff0cLoRa\u8c03\u5236\u5229\u7528\u4e86<strong>\u6269\u9891\u6280\u672f<\/strong>\u548c<strong>\u524d\u5411\u7ea0\u9519\u7f16\u7801\uff08Forward Error Correction, FEC\uff09<\/strong>\u3002\u6269\u9891\u56e0\u5b50\u7684\u9009\u62e9\u76f4\u63a5\u5f71\u54cd\u4e86\u901a\u4fe1\u8ddd\u79bb\u548c\u6570\u636e\u901f\u7387\uff0c\u8f83\u9ad8\u7684\u6269\u9891\u56e0\u5b50\u80fd\u591f\u663e\u8457\u589e\u52a0\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\uff0c\u540c\u65f6\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4ece\u800c\u9002\u5e94\u8fdc\u8ddd\u79bb\u901a\u4fe1\u7684\u9700\u6c42\u3002\u6b64\u5916\uff0cFEC\u6280\u672f\u901a\u8fc7\u5728\u4f20\u8f93\u6570\u636e\u4e2d\u6dfb\u52a0\u5197\u4f59\u4fe1\u606f\uff0c\u4f7f\u63a5\u6536\u7aef\u80fd\u591f\u68c0\u6d4b\u5e76\u7ea0\u6b63\u90e8\u5206\u4f20\u8f93\u9519\u8bef\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u4e86\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0cLoRa\u80fd\u591f\u5728\u57ce\u5e02\u548c\u519c\u6751\u7b49\u4e0d\u540c\u73af\u5883\u4e2d\u5b9e\u73b0\u6570\u516c\u91cc\u4e43\u81f3\u6570\u5341\u516c\u91cc\u7684\u7a33\u5b9a\u901a\u4fe1\uff0c\u6ee1\u8db3\u7269\u8054\u7f51\u8bbe\u5907\u5bf9\u5e7f\u57df\u8986\u76d6\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u4f4e\u529f\u8017\u65b9\u9762\uff0cLoRa\u8c03\u5236\u901a\u8fc7\u4f18\u5316<strong>\u529f\u8017\u7ba1\u7406<\/strong>\u548c<strong>\u4fe1\u53f7\u5904\u7406\u6548\u7387<\/strong>\u5b9e\u73b0\u4e86\u663e\u8457\u7684\u80fd\u8017\u964d\u4f4e\u3002LoRa\u8bbe\u5907\u901a\u5e38\u91c7\u7528\u4f4e\u529f\u8017\u5fae\u63a7\u5236\u5668\u548c\u9ad8\u6548\u7684\u7535\u6e90\u7ba1\u7406\u7b56\u7565\uff0c\u786e\u4fdd\u5728\u5f85\u673a\u548c\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u5c3d\u53ef\u80fd\u51cf\u5c11\u80fd\u91cf\u6d88\u8017\u3002CSS\u8c03\u5236\u672c\u8eab\u5177\u6709\u8f83\u9ad8\u7684\u9891\u8c31\u6548\u7387\uff0c\u4f7f\u5f97\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u6240\u9700\u7684\u80fd\u91cf\u8f83\u4f4e\u3002\u6b64\u5916\uff0cLoRa\u7f51\u7edc\u534f\u8bae\u652f\u6301<strong>\u8bbe\u5907\u4f11\u7720\u6a21\u5f0f<\/strong>\uff0c\u5141\u8bb8\u7ec8\u7aef\u8bbe\u5907\u5728\u4e0d\u4f20\u8f93\u6570\u636e\u65f6\u8fdb\u5165\u8d85\u4f4e\u529f\u8017\u72b6\u6001\uff0c\u6781\u5927\u5730\u5ef6\u957f\u4e86\u7535\u6c60\u5bff\u547d\u3002\u8fd9\u4e9b\u4f18\u5316\u63aa\u65bd\u4f7f\u5f97LoRa\u7279\u522b\u9002\u5408\u4e8e\u9700\u8981\u957f\u65f6\u95f4\u8fd0\u884c\u4e14\u96be\u4ee5\u9891\u7e41\u66f4\u6362\u7535\u6e90\u7684\u7269\u8054\u7f51\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u901a\u8fc7\u5176\u72ec\u7279\u7684CSS\u8c03\u5236\u65b9\u5f0f\uff0c\u5de7\u5999\u5730\u5e73\u8861\u4e86\u4f4e\u529f\u8017\u548c\u957f\u8ddd\u79bb\u901a\u4fe1\u7684\u9700\u6c42\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u91cd\u8981\u6280\u672f\u4e4b\u4e00\u3002\u5176\u8c03\u5236\u673a\u5236\u4e0d\u4ec5\u63d0\u5347\u4e86\u4fe1\u53f7\u7684\u4f20\u8f93\u53ef\u9760\u6027\u548c\u8986\u76d6\u8303\u56f4\uff0c\u8fd8\u901a\u8fc7\u9ad8\u6548\u7684\u529f\u8017\u7ba1\u7406\u7b56\u7565\uff0c\u786e\u4fdd\u4e86\u8bbe\u5907\u7684\u957f\u671f\u7a33\u5b9a\u8fd0\u884c\u3002\u968f\u7740\u7269\u8054\u7f51\u5e94\u7528\u7684\u4e0d\u65ad\u6269\u5c55\uff0cLoRa\u6280\u672f\u51ed\u501f\u5176\u5353\u8d8a\u7684\u8c03\u5236\u6027\u80fd\u548c\u7075\u6d3b\u7684\u7f51\u7edc\u67b6\u6784\uff0c\u5c06\u5728\u667a\u80fd\u57ce\u5e02\u3001\u519c\u4e1a\u76d1\u63a7\u3001\u5de5\u4e1a\u7269\u8054\u7f51\u7b49\u591a\u79cd\u573a\u666f\u4e2d\u53d1\u6325\u8d8a\u6765\u8d8a\u5173\u952e\u7684\u4f5c\u7528\uff0c\u63a8\u52a8\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u6301\u7eed\u521b\u65b0\u4e0e\u53d1\u5c55\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 Sub1G\u6280\u672f\u5728\u667a\u80fd\u5bb6\u5c45\u548c\u667a\u80fd\u519c\u4e1a\u9886\u57df\u7684\u5e94\u7528?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u667a\u80fd\u5bb6\u5c45\u9886\u57df\uff0c<strong>Sub1G<\/strong>\u6280\u672f\u901a\u8fc7\u5176\u5353\u8d8a\u7684<strong>\u4f4e\u529f\u8017<\/strong>\u548c<strong>\u957f\u8ddd\u79bb\u901a\u4fe1<\/strong>\u7279\u6027\uff0c\u5b9e\u73b0\u4e86\u9ad8\u6548\u7684\u8bbe\u5907\u4e92\u8054\u4e0e\u63a7\u5236\u3002\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u4e2d\uff0c\u5404\u7c7b\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u548c\u63a7\u5236\u5668\u9700\u8981\u6301\u7eed\u7a33\u5b9a\u5730\u8fdb\u884c\u6570\u636e\u4ea4\u6362\uff0c\u800cSub1G\u7684\u4f4e\u529f\u8017\u7279\u6027\u4f7f\u5f97\u8fd9\u4e9b\u8bbe\u5907\u80fd\u591f\u5728\u65e0\u9700\u9891\u7e41\u66f4\u6362\u7535\u6c60\u7684\u60c5\u51b5\u4e0b\u957f\u671f\u8fd0\u884c\uff0c\u663e\u8457\u63d0\u5347\u4e86\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u548c\u7528\u6237\u7684\u4f7f\u7528\u4fbf\u5229\u6027\u3002\u6b64\u5916\uff0cSub1G\u7684\u957f\u8ddd\u79bb\u4f20\u8f93\u80fd\u529b\u786e\u4fdd\u4e86\u5373\u4f7f\u5728\u5927\u578b\u4f4f\u5b85\u6216\u591a\u5c42\u5efa\u7b51\u4e2d\uff0c\u667a\u80fd\u8bbe\u5907\u4e4b\u95f4\u4f9d\u7136\u80fd\u591f\u4fdd\u6301\u7a33\u5b9a\u7684\u8fde\u63a5\uff0c\u4fdd\u969c\u4e86\u5bb6\u5ead\u81ea\u52a8\u5316\u7cfb\u7edf\u7684\u65e0\u7f1d\u8fd0\u4f5c\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u667a\u80fd\u5bb6\u5c45\u7684<strong>\u5b89\u5168\u4e0e\u76d1\u63a7<\/strong>\u5e94\u7528\u4e2d\uff0cSub1G\u6280\u672f\u540c\u6837\u53d1\u6325\u4e86\u5173\u952e\u4f5c\u7528\u3002\u901a\u8fc7\u90e8\u7f72Sub1G\u901a\u4fe1\u6a21\u5757\uff0c\u5bb6\u5ead\u5b89\u5168\u7cfb\u7edf\u80fd\u591f\u5b9e\u73b0\u5b9e\u65f6\u7684\u6570\u636e\u4f20\u8f93\u4e0e\u76d1\u63a7\uff0c\u4f8b\u5982\u95e8\u7a97\u4f20\u611f\u5668\u3001\u8fd0\u52a8\u63a2\u6d4b\u5668\u548c\u6444\u50cf\u5934\u7b49\u8bbe\u5907\u80fd\u591f\u9ad8\u6548\u5730\u5c06\u76d1\u6d4b\u4fe1\u606f\u4f20\u9001\u81f3\u4e2d\u592e\u63a7\u5236\u5355\u5143\u6216\u7528\u6237\u7684\u79fb\u52a8\u8bbe\u5907\u3002\u8fd9\u79cd\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u4e0d\u4ec5\u63d0\u5347\u4e86\u5b89\u5168\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\uff0c\u8fd8\u901a\u8fc7Sub1G\u7684<strong>\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff0c\u786e\u4fdd\u4e86\u5728\u5404\u79cd\u590d\u6742\u7684\u65e0\u7ebf\u73af\u5883\u4e0b\uff0c\u5b89\u5168\u76d1\u63a7\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u53ef\u9760\u6027\uff0c\u6781\u5927\u5730\u589e\u5f3a\u4e86\u5bb6\u5ead\u5b89\u5168\u9632\u62a4\u7684\u6709\u6548\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u667a\u80fd\u519c\u4e1a\u9886\u57df\uff0cSub1G\u6280\u672f\u901a\u8fc7<strong>\u73af\u5883\u76d1\u6d4b\u4e0e\u7ba1\u7406<\/strong>\u5b9e\u73b0\u4e86\u519c\u4e1a\u751f\u4ea7\u7684\u667a\u80fd\u5316\u548c\u7cbe\u7ec6\u5316\u3002\u519c\u4e1a\u751f\u4ea7\u8fc7\u7a0b\u4e2d\uff0c\u5404\u7c7b\u4f20\u611f\u5668\u5982\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\u3001\u6c14\u6e29\u4f20\u611f\u5668\u548c\u5149\u7167\u4f20\u611f\u5668\u7b49\u9700\u8981\u6301\u7eed\u91c7\u96c6\u73af\u5883\u6570\u636e\uff0c\u5e76\u901a\u8fc7Sub1G\u7f51\u7edc\u5c06\u6570\u636e\u4f20\u8f93\u81f3\u4e2d\u592e\u5904\u7406\u7cfb\u7edf\u3002Sub1G\u7684\u4f4e\u529f\u8017\u7279\u6027\u4f7f\u5f97\u8fd9\u4e9b\u4f20\u611f\u5668\u80fd\u591f\u5728\u5e7f\u9614\u7684\u519c\u7530\u4e2d\u957f\u65f6\u95f4\u90e8\u7f72\u800c\u65e0\u9700\u9891\u7e41\u7ef4\u62a4\uff0c\u540c\u65f6\u5176\u957f\u8ddd\u79bb\u901a\u4fe1\u80fd\u529b\u786e\u4fdd\u4e86\u5728\u5927\u9762\u79ef\u519c\u4e1a\u533a\u57df\u5185\u6570\u636e\u7684\u5168\u9762\u8986\u76d6\u3002\u8fd9\u79cd\u9ad8\u6548\u7684\u6570\u636e\u91c7\u96c6\u4e0e\u4f20\u8f93\u80fd\u529b\uff0c\u52a9\u529b\u519c\u6c11\u5b9e\u65f6\u638c\u63e1\u519c\u7530\u73af\u5883\u53d8\u5316\uff0c\u4f18\u5316\u704c\u6e89\u3001\u65bd\u80a5\u548c\u75c5\u866b\u5bb3\u9632\u6cbb\u7b56\u7565\uff0c\u63d0\u9ad8\u519c\u4e1a\u751f\u4ea7\u7684\u6548\u7387\u548c\u4ea7\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cSub1G\u6280\u672f\u5728\u667a\u80fd\u519c\u4e1a\u4e2d\u7684<strong>\u8d44\u6e90\u4f18\u5316\u4e0e\u81ea\u52a8\u5316<\/strong>\u5e94\u7528\u4e5f\u5c55\u73b0\u51fa\u5de8\u5927\u7684\u6f5c\u529b\u3002\u901a\u8fc7Sub1G\u7f51\u7edc\uff0c\u519c\u4e1a\u81ea\u52a8\u5316\u8bbe\u5907\u5982\u667a\u80fd\u704c\u6e89\u7cfb\u7edf\u3001\u81ea\u52a8\u6536\u5272\u673a\u548c\u65e0\u4eba\u673a\u7b49\u80fd\u591f\u5b9e\u73b0\u7cbe\u51c6\u63a7\u5236\u4e0e\u534f\u8c03\u8fd0\u4f5c\u3002\u8fd9\u4e9b\u8bbe\u5907\u80fd\u591f\u6839\u636e\u5b9e\u65f6\u73af\u5883\u6570\u636e\u548c\u9884\u8bbe\u7684\u7ba1\u7406\u7b56\u7565\uff0c\u81ea\u52a8\u8c03\u6574\u64cd\u4f5c\u53c2\u6570\uff0c\u4ece\u800c\u5b9e\u73b0\u6c34\u8d44\u6e90\u7684\u5408\u7406\u5229\u7528\u3001\u519c\u4f5c\u7269\u7684\u7cbe\u51c6\u7ba1\u7406\u548c\u52b3\u52a8\u6210\u672c\u7684\u6709\u6548\u964d\u4f4e\u3002\u540c\u65f6\uff0cSub1G\u7684\u9ad8\u53ef\u9760\u6027\u548c\u4f4e\u5ef6\u8fdf\u901a\u4fe1\u7279\u6027\uff0c\u786e\u4fdd\u4e86\u81ea\u52a8\u5316\u8bbe\u5907\u5728\u590d\u6742\u519c\u4e1a\u73af\u5883\u4e2d\u7684\u7a33\u5b9a\u8fd0\u884c\uff0c\u8fdb\u4e00\u6b65\u63a8\u52a8\u4e86\u519c\u4e1a\u751f\u4ea7\u65b9\u5f0f\u7684\u667a\u80fd\u5316\u8f6c\u578b\u548c\u53ef\u6301\u7eed\u53d1\u5c55\u3002<\/p>\n\n\n\n<p>\u3000\u3000Sub1G\u6280\u672f\u51ed\u501f\u5176\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u901a\u4fe1\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u7b49\u4f18\u52bf\uff0c\u5728\u667a\u80fd\u5bb6\u5c45\u548c\u667a\u80fd\u519c\u4e1a\u9886\u57df\u4e2d\u5c55\u73b0\u51fa\u4e86\u5e7f\u6cdb\u800c\u6df1\u8fdc\u7684\u5e94\u7528\u524d\u666f\u3002\u65e0\u8bba\u662f\u5728\u63d0\u5347\u5bb6\u5ead\u751f\u6d3b\u7684\u4fbf\u5229\u6027\u4e0e\u5b89\u5168\u6027\uff0c\u8fd8\u662f\u5728\u63a8\u52a8\u519c\u4e1a\u751f\u4ea7\u7684\u667a\u80fd\u5316\u4e0e\u9ad8\u6548\u5316\u65b9\u9762\uff0cSub1G\u6280\u672f\u90fd\u4e3a\u73b0\u4ee3\u7269\u8054\u7f51\u5e94\u7528\u63d0\u4f9b\u4e86\u575a\u5b9e\u7684\u6280\u672f\u652f\u6301\uff0c\u52a9\u529b\u5b9e\u73b0\u66f4\u52a0\u667a\u80fd\u3001\u4e92\u8054\u548c\u53ef\u6301\u7eed\u7684\u672a\u6765\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRa\u6280\u672f\u5728\u7269\u8054\u7f51(IoT)\u548c\u667a\u6167\u57ce\u5e02\u9879\u76ee\u4e2d\u7684\u5b9e\u9645\u5e94\u7528?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u7269\u8054\u7f51(IoT)\u548c\u667a\u6167\u57ce\u5e02\u9879\u76ee\u4e2d\uff0c<strong>LoRa\u6280\u672f<\/strong>\u901a\u8fc7\u5176\u72ec\u7279\u7684\u901a\u4fe1\u4f18\u52bf\uff0c\u6210\u4e3a\u5173\u952e\u7684\u57fa\u7840\u8bbe\u65bd\u7ec4\u6210\u90e8\u5206\u3002\u9996\u5148\uff0cLoRa\u6280\u672f\u57fa\u4e8e**Chirp Spread Spectrum(CSS)**\u8c03\u5236\u65b9\u5f0f\uff0c\u80fd\u591f\u5b9e\u73b0\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u4f7f\u5176\u5728\u5927\u89c4\u6a21\u90e8\u7f72\u4e2d\u5177\u5907\u663e\u8457\u4f18\u52bf\u3002\u5728\u667a\u6167\u57ce\u5e02\u7684\u7f51\u7edc\u67b6\u6784\u4e2d\uff0cLoRaWAN\u534f\u8bae\u4f5c\u4e3a\u5176\u6838\u5fc3\u901a\u4fe1\u534f\u8bae\uff0c\u652f\u6301\u5927\u89c4\u6a21\u8bbe\u5907\u7684\u63a5\u5165\u548c\u7ba1\u7406\u3002\u901a\u8fc7\u5728\u57ce\u5e02\u5404\u5173\u952e\u8282\u70b9\u90e8\u7f72LoRa\u7f51\u5173\uff0c\u5f62\u6210\u5e7f\u8986\u76d6\u7684\u65e0\u7ebf\u7f51\u7edc\uff0c\u786e\u4fdd\u5404\u7c7b\u4f20\u611f\u5668\u548c\u7ec8\u7aef\u8bbe\u5907\u80fd\u591f\u7a33\u5b9a\u3001\u53ef\u9760\u5730\u8fde\u63a5\u81f3\u4e2d\u592e\u63a7\u5236\u7cfb\u7edf\u3002\u8fd9\u79cd\u7075\u6d3b\u7684\u7f51\u7edc\u5e03\u5c40\u4e0d\u4ec5\u63d0\u5347\u4e86\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\uff0c\u8fd8\u663e\u8457\u964d\u4f4e\u4e86\u6574\u4f53\u5efa\u8bbe\u548c\u7ef4\u62a4\u6210\u672c\uff0c\u4e3a\u667a\u6167\u57ce\u5e02\u7684\u6570\u5b57\u5316\u8f6c\u578b\u63d0\u4f9b\u4e86\u575a\u5b9e\u7684\u6280\u672f\u652f\u6491\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u73af\u5883\u76d1\u6d4b\u4e0e\u7ba1\u7406\u65b9\u9762\uff0cLoRa\u6280\u672f\u53d1\u6325\u4e86\u91cd\u8981\u4f5c\u7528\u3002\u5229\u7528LoRa\u7f51\u7edc\uff0c\u667a\u6167\u57ce\u5e02\u80fd\u591f\u5b9e\u65f6\u91c7\u96c6\u548c\u4f20\u8f93\u5927\u91cf\u73af\u5883\u6570\u636e\uff0c\u5982\u7a7a\u6c14\u8d28\u91cf\u3001\u6c34\u8d28\u53c2\u6570\u3001\u566a\u97f3\u6c34\u5e73\u7b49\u3002\u8fd9\u4e9b\u6570\u636e\u901a\u8fc7<strong>\u8fb9\u7f18\u8ba1\u7b97<\/strong>\u6280\u672f\u8fdb\u884c\u521d\u6b65\u5904\u7406\u548c\u5206\u6790\uff0c\u968f\u540e\u4f20\u8f93\u81f3\u4e91\u7aef\u8fdb\u884c\u6df1\u5ea6\u5206\u6790\u548c\u51b3\u7b56\u652f\u6301\u3002\u4f8b\u5982\uff0c\u7a7a\u6c14\u6c61\u67d3\u76d1\u6d4b\u7cfb\u7edf\u53ef\u4ee5\u901a\u8fc7\u5206\u5e03\u5f0f\u7684LoRa\u4f20\u611f\u5668\u7f51\u7edc\uff0c\u5b9e\u65f6\u76d1\u63a7\u57ce\u5e02\u5404\u533a\u57df\u7684\u6c61\u67d3\u7269\u6d53\u5ea6\uff0c\u53ca\u65f6\u9884\u8b66\u5e76\u6307\u5bfc\u6cbb\u7406\u63aa\u65bd\u7684\u5b9e\u65bd\u3002\u6b64\u5916\uff0cLoRa\u6280\u672f\u5728\u5783\u573e\u7ba1\u7406\u4e2d\u7684\u5e94\u7528\uff0c\u901a\u8fc7\u667a\u80fd\u5783\u573e\u6876\u7684\u4f20\u611f\u5668\u7f51\u7edc\uff0c\u5b9e\u65f6\u76d1\u63a7\u5783\u573e\u5bb9\u91cf\uff0c\u4f18\u5316\u5783\u573e\u6536\u96c6\u8def\u7ebf\u548c\u65f6\u95f4\uff0c\u63d0\u5347\u57ce\u5e02\u7ba1\u7406\u7684\u6548\u7387\u548c\u73af\u4fdd\u6c34\u5e73\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u667a\u6167\u4ea4\u901a\u7cfb\u7edf\u4e2d\uff0cLoRa\u6280\u672f\u540c\u6837\u5c55\u73b0\u51fa\u5e7f\u6cdb\u7684\u5e94\u7528\u6f5c\u529b\u3002\u901a\u8fc7\u90e8\u7f72LoRa\u4f20\u611f\u5668\u548c\u901a\u4fe1\u6a21\u5757\uff0c\u667a\u6167\u57ce\u5e02\u80fd\u591f\u5b9e\u73b0\u5bf9\u4ea4\u901a\u6d41\u91cf\u7684\u5b9e\u65f6\u76d1\u63a7\u548c\u7ba1\u7406\u3002\u4f8b\u5982\uff0c\u667a\u80fd\u4ea4\u901a\u4fe1\u53f7\u706f\u7cfb\u7edf\u53ef\u4ee5\u6839\u636e\u5b9e\u65f6\u4ea4\u901a\u6570\u636e\uff0c\u52a8\u6001\u8c03\u6574\u4fe1\u53f7\u706f\u7684\u65f6\u957f\uff0c\u4f18\u5316\u4ea4\u901a\u6d41\u91cf\uff0c\u51cf\u5c11\u62e5\u5835\u73b0\u8c61\u3002\u540c\u65f6\uff0cLoRa\u6280\u672f\u5728\u8f66\u8f86\u8ddf\u8e2a\u548c\u505c\u8f66\u7ba1\u7406\u4e2d\u4e5f\u5177\u6709\u91cd\u8981\u5e94\u7528\u3002\u5229\u7528LoRa\u7f51\u7edc\uff0c\u8f66\u8f86\u7684\u4f4d\u7f6e\u4fe1\u606f\u80fd\u591f\u88ab\u5b9e\u65f6\u4f20\u8f93\u548c\u5206\u6790\uff0c\u5e2e\u52a9\u5b9e\u73b0\u7cbe\u51c6\u7684\u8f66\u4f4d\u5bfc\u822a\u548c\u667a\u80fd\u505c\u8f66\u7ba1\u7406\uff0c\u63d0\u5347\u57ce\u5e02\u4ea4\u901a\u7684\u6574\u4f53\u8fd0\u884c\u6548\u7387\u3002\u6b64\u5916\uff0cLoRa\u6280\u672f\u7684\u4f4e\u5ef6\u8fdf\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u786e\u4fdd\u4e86\u4ea4\u901a\u7cfb\u7edf\u5728\u9ad8\u8d1f\u8377\u4e0b\u4f9d\u7136\u80fd\u591f\u7a33\u5b9a\u8fd0\u884c\uff0c\u4fdd\u969c\u57ce\u5e02\u4ea4\u901a\u7684\u987a\u7545\u548c\u5b89\u5168\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u516c\u5171\u5b89\u5168\u4e0e\u5e94\u6025\u54cd\u5e94\u9886\u57df\uff0cLoRa\u6280\u672f\u63d0\u4f9b\u4e86\u9ad8\u6548\u3001\u53ef\u9760\u7684\u901a\u4fe1\u89e3\u51b3\u65b9\u6848\u3002\u901a\u8fc7\u90e8\u7f72LoRa\u901a\u4fe1\u6a21\u5757\uff0c\u667a\u6167\u57ce\u5e02\u7684\u5b89\u5168\u76d1\u63a7\u7cfb\u7edf\u80fd\u591f\u5b9e\u73b0\u5bf9\u5404\u7c7b\u5b89\u5168\u8bbe\u5907\u7684\u5b9e\u65f6\u6570\u636e\u91c7\u96c6\u4e0e\u4f20\u8f93\uff0c\u5982\u76d1\u63a7\u6444\u50cf\u5934\u3001\u706b\u707e\u62a5\u8b66\u5668\u548c\u5165\u4fb5\u68c0\u6d4b\u5668\u7b49\u3002\u8fd9\u4e9b\u8bbe\u5907\u901a\u8fc7LoRa\u7f51\u7edc\u5c06\u6570\u636e\u4f20\u8f93\u81f3\u4e2d\u592e\u63a7\u5236\u4e2d\u5fc3\uff0c\u5b9e\u73b0\u5168\u5929\u5019\u3001\u5168\u65b9\u4f4d\u7684\u57ce\u5e02\u5b89\u5168\u76d1\u63a7\u3002\u540c\u65f6\uff0cLoRa\u6280\u672f\u5728\u5e94\u6025\u54cd\u5e94\u4e2d\u7684\u5e94\u7528\uff0c\u901a\u8fc7\u6784\u5efa\u4e13\u7528\u7684LoRa\u5e94\u6025\u901a\u4fe1\u7f51\u7edc\uff0c\u786e\u4fdd\u5728\u707e\u5bb3\u6216\u7a81\u53d1\u4e8b\u4ef6\u53d1\u751f\u65f6\uff0c\u6551\u63f4\u4eba\u5458\u548c\u8bbe\u5907\u80fd\u591f\u5feb\u901f\u3001\u9ad8\u6548\u5730\u8fdb\u884c\u901a\u4fe1\u548c\u534f\u8c03\u3002\u5176\u4f4e\u529f\u8017\u7279\u6027\u4e5f\u4f7f\u5f97\u5e94\u6025\u8bbe\u5907\u80fd\u591f\u5728\u957f\u65f6\u95f4\u7684\u65ad\u7535\u60c5\u51b5\u4e0b\u4f9d\u7136\u4fdd\u6301\u901a\u4fe1\u80fd\u529b\uff0c\u6781\u5927\u5730\u63d0\u5347\u4e86\u57ce\u5e02\u5728\u9762\u5bf9\u5404\u79cd\u7d27\u6025\u60c5\u51b5\u65f6\u7684\u5e94\u53d8\u80fd\u529b\u548c\u6062\u590d\u901f\u5ea6\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u51ed\u501f\u5176\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u901a\u4fe1\u3001\u5e7f\u8986\u76d6\u548c\u9ad8\u53ef\u9760\u6027\u7684\u7279\u6027\uff0c\u5728\u7269\u8054\u7f51\u548c\u667a\u6167\u57ce\u5e02\u9879\u76ee\u4e2d\u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u65e0\u8bba\u662f\u5728\u57fa\u7840\u7f51\u7edc\u67b6\u6784\u3001\u73af\u5883\u76d1\u6d4b\u3001\u667a\u6167\u4ea4\u901a\u8fd8\u662f\u516c\u5171\u5b89\u5168\u4e0e\u5e94\u6025\u54cd\u5e94\u7b49\u9886\u57df\uff0cLoRa\u6280\u672f\u90fd\u4e3a\u667a\u6167\u57ce\u5e02\u7684\u5efa\u8bbe\u548c\u8fd0\u8425\u63d0\u4f9b\u4e86\u5f3a\u6709\u529b\u7684\u6280\u672f\u652f\u6301\uff0c\u63a8\u52a8\u4e86\u57ce\u5e02\u7ba1\u7406\u7684\u667a\u80fd\u5316\u548c\u9ad8\u6548\u5316\u53d1\u5c55\u3002\u968f\u7740\u6280\u672f\u7684\u4e0d\u65ad\u8fdb\u6b65\u548c\u5e94\u7528\u573a\u666f\u7684\u8fdb\u4e00\u6b65\u62d3\u5c55\uff0cLoRa\u5c06\u5728\u672a\u6765\u667a\u6167\u57ce\u5e02\u7684\u53d1\u5c55\u4e2d\u626e\u6f14\u66f4\u52a0\u91cd\u8981\u7684\u89d2\u8272\uff0c\u52a9\u529b\u5b9e\u73b0\u66f4\u52a0\u667a\u80fd\u3001\u4fbf\u6377\u548c\u53ef\u6301\u7eed\u7684\u57ce\u5e02\u751f\u6d3b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 Sub1G\u548cLoRa\u6280\u672f\u5728\u672a\u6765\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u53d1\u5c55\u4e2d\u7684\u53d1\u5c55\u8d8b\u52bf?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u672a\u6765\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u53d1\u5c55\u4e2d\uff0c<strong>Sub1G<\/strong>\u548c<strong>LoRa<\/strong>\u6280\u672f\u5c06\u7ee7\u7eed\u626e\u6f14\u91cd\u8981\u89d2\u8272\uff0c\u63a8\u52a8\u7269\u8054\u7f51(IoT)\u548c\u667a\u6167\u57ce\u5e02\u7684\u5168\u9762\u5347\u7ea7\u3002\u968f\u7740\u65e0\u7ebf\u901a\u4fe1\u9700\u6c42\u7684\u4e0d\u65ad\u589e\u957f\uff0c\u8fd9\u4e24\u79cd\u6280\u672f\u7684<strong>\u9891\u8c31\u5229\u7528\u6548\u7387<\/strong>\u548c<strong>\u8986\u76d6\u80fd\u529b<\/strong>\u5c06\u8fdb\u4e00\u6b65\u4f18\u5316\u3002Sub1G\u6280\u672f\u4ee5\u5176\u4f4e\u529f\u8017\u548c\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u4f18\u52bf\uff0c\u9884\u8ba1\u5c06\u5728\u4f4e\u5e26\u5bbd\u3001\u4f4e\u901f\u7387\u7684\u6570\u636e\u4f20\u8f93\u573a\u666f\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\uff0c\u5c24\u5176\u662f\u5728\u504f\u8fdc\u5730\u533a\u548c\u5730\u4e0b\u73af\u5883\u4e2d\uff0c\u8865\u5145\u73b0\u6709\u76845G\u548c\u672a\u67656G\u7f51\u7edc\u7684\u4e0d\u8db3\u3002\u4e0e\u6b64\u540c\u65f6\uff0cLoRa\u6280\u672f\u51ed\u501f\u5176Chirp Spread 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