\u3000\u3000LoRa<\/a>\u70b9\u5bf9\u70b9\u4f20\u8f93\u65b9\u6848<\/strong>\u662f\u4e00\u79cd\u57fa\u4e8eLoRa\u6280\u672f<\/a>\u7684\u65e0\u7ebf\u901a\u4fe1\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u8bbe\u5907\u95f4\u7684\u76f4\u63a5\u6570\u636e\u4f20\u8f93\uff0c\u65e0\u9700\u901a\u8fc7\u4e2d\u95f4\u7f51\u7edc\u670d\u52a1\u5668\u6216\u57fa\u7ad9\u3002\u4ee5\u4e0b\u662f\u5173\u4e8eLoRa\u70b9\u5bf9\u70b9\u4f20\u8f93\u65b9\u6848\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff1a<\/p>\n\n\n\n
\u3000\u3000\u57fa\u672c\u6982\u5ff5\u4e0e\u5de5\u4f5c\u539f\u7406<\/strong><\/p>\n\n\n\n
\u3000\u3000\u914d\u7f6e\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5b9e\u73b0LoRa\u70b9\u5bf9\u70b9\u901a\u4fe1<\/a>\u9700\u8981\u914d\u7f6e\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec\u9891\u7387\u3001\u5e26\u5bbd\u3001\u6269\u9891\u56e0\u5b50(SF)\u3001\u7f16\u7801\u7387(CR)\u7b49\u3002\u4f8b\u5982\uff0cLoRa\u6a21\u5757\u901a\u5e38\u652f\u6301433 MHz\u3001868 MHz\u548c915 MHz\u7b49\u9891\u6bb5\u3002\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u8bbe\u7f6e\u53d1\u5c04\u529f\u7387\u3001\u4fe1\u9053\u3001\u901f\u7387\u7b49\u7ea7\u7b49\u53c2\u6570\uff0c\u4ee5\u786e\u4fdd\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027<\/p>\n\n\n\n
\u3000\u3000\u901a\u4fe1\u6a21\u5f0f\u4e0e\u534f\u8bae<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5e94\u7528\u573a\u666f<\/strong><\/p>\n\n\n\n
\u3000\u3000\u4f18\u52bf\u4e0e\u6311\u6218<\/strong><\/p>\n\n\n\n
\u3000\u3000\u5f00\u6e90\u4e0e\u793e\u533a\u652f\u6301<\/strong><\/p>\n\n\n\n
\u3000\u3000LoRa\u70b9\u5bf9\u70b9\u4f20\u8f93\u65b9\u6848\u5728\u4e0d\u540c\u9891\u6bb5(\u5982433 MHz\u3001868 MHz\u548c915 MHz)\u7684\u6027\u80fd\u6bd4\u8f83\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\u3000\u3000\u80fd\u91cf\u6d88\u8017<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5728\u76f8\u540c\u7684\u8def\u5f84\u635f\u8017\u6761\u4ef6\u4e0b\uff0c\u8f83\u9ad8\u7684\u9891\u7387\u4f1a\u5bfc\u81f4\u66f4\u9ad8\u7684\u80fd\u91cf\u6d88\u8017\u3002\u4f8b\u5982\uff0c\u5728\u6b27\u6d32\uff0c\u4f7f\u7528868 MHz\u548c433 MHz\u7684LoRa\u8282\u70b9\u5728\u5355\u8df3\u548c\u591a\u8df3\u914d\u7f6e\u4e0b\u7684\u7535\u6d41\u6d88\u8017\u5bf9\u6bd4\u663e\u793a\uff0c433 MHz\u7684\u8282\u70b9\u6bd4868 MHz\u7684\u8282\u70b9\u9700\u8981\u66f4\u5c11\u7684\u7535\u6d41\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f20\u8f93\u8ddd\u79bb\u548c\u4fe1\u53f7\u8d28\u91cf<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u9ad8\u9891\u6bb5(\u5982868 MHz\u548c915 MHz)\u901a\u5e38\u5728\u57ce\u5e02\u73af\u5883\u4e2d\u8868\u73b0\u66f4\u597d\uff0c\u56e0\u4e3a\u5b83\u4eec\u5177\u6709\u66f4\u9ad8\u7684\u7a7f\u900f\u80fd\u529b\u548c\u66f4\u597d\u7684\u8986\u76d6\u8303\u56f4\u3002\u7136\u800c\uff0c\u5728\u5f00\u653e\u533a\u57df\uff0c\u4f4e\u9891\u6bb5(\u5982433 MHz)\u53ef\u80fd\u8868\u73b0\u66f4\u4f73\uff0c\u56e0\u4e3a\u5176\u4f20\u64ad\u8ddd\u79bb\u66f4\u8fdc\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f8b\u5982\uff0c\u5728\u6b27\u6d32\uff0cLoRa\u548cLoRaWAN\u901a\u5e38\u5728868 MHz\u9891\u6bb5\u4e0a\u8fd0\u884c\uff0c\u5176\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52301\u516c\u91cc\u7684\u57ce\u5e02\u73af\u5883\u548c10\u516c\u91cc\u7684\u519c\u6751\u73af\u5883\u3002<\/p>\n\n\n\n
\u3000\u3000\u5728915 MHz\u9891\u6bb5\u4e0b\uff0cLoRa\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u4f46\u8def\u5f84\u635f\u8017\u8f83\u5927\u3002<\/p>\n\n\n\n
\u3000\u3000\u6cd5\u89c4\u9650\u5236<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u4e0d\u540c\u56fd\u5bb6\u548c\u5730\u533a\u5bf9LoRa\u4f7f\u7528\u7684\u9891\u6bb5\u6709\u4e0d\u540c\u7684\u89c4\u5b9a\u3002\u4f8b\u5982\uff0c\u5728\u6b27\u6d32\uff0c\u53ea\u6709868 MHz\u548c433 MHz\u9891\u6bb5\u53ef\u7528\uff0c\u800c\u5728\u7f8e\u56fd\u5219\u53ef\u4ee5\u4f7f\u7528915 MHz\u9891\u6bb5\u3002\u8fd9\u4e9b\u9891\u6bb5\u7684\u4f7f\u7528\u53d7\u5230\u4e25\u683c\u7684\u6cd5\u89c4\u9650\u5236\uff0c\u6bd4\u5982\u5fc5\u987b\u9075\u5b88\u7279\u5b9a\u7684\u53d1\u5c04\u529f\u7387\u548c\u6301\u7eed\u65f6\u95f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000LoRa\u5177\u6709\u4f18\u5f02\u7684\u4fe1\u53f7\u8bc6\u522b\u80fd\u529b\uff0c\u53ef\u4ee5\u5728\u566a\u58f0\u4ee5\u4e0b(-90dBm)\u83b7\u5f97\u6709\u6548\u6570\u636e\uff0c\u6700\u4f4e\u53ef\u8fbe\u5230-148dBm\u3002\u8fd9\u4f7f\u5f97LoRa\u5728\u590d\u6742\u73af\u5883\u4e2d\u8868\u73b0\u51fa\u8272\u3002<\/p>\n\n\n\n
\u3000\u3000433 MHz\u65e0\u7ebf\u901a\u4fe1\u5728\u8fd9\u65b9\u9762\u53ef\u80fd\u6ca1\u6709\u8fd9\u4e48\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000433 MHz\u9891\u6bb5\u9002\u7528\u4e8e\u529f\u8017\u8981\u6c42\u9ad8\u7684\u5e94\u7528\u5982\u667a\u80fd\u7535\u8868\u3001\u519c\u4e1a\u548c\u73af\u5883\u76d1\u6d4b\u3002<\/p>\n\n\n\n
\u3000\u3000915 MHz\u9891\u6bb5\u9002\u7528\u4e8e\u9700\u8981\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u667a\u80fd\u57ce\u5e02\u3001\u7269\u6d41\u8ffd\u8e2a\u53ca\u8fdc\u7a0b\u76d1\u63a7\u7b49\u3002<\/p>\n\n\n\n
\u3000\u3000LoRa\u70b9\u5bf9\u70b9\u4f20\u8f93\u65b9\u6848\u5728\u4e0d\u540c\u9891\u6bb5\u4e0b\u7684\u6027\u80fd\u5404\u6709\u4f18\u52a3\u3002\u4f4e\u9891\u6bb5(\u5982433 MHz)\u5177\u6709\u8f83\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u8f83\u597d\u7684\u7a7f\u900f\u80fd\u529b\uff0c\u4f46\u80fd\u91cf\u6d88\u8017\u8f83\u9ad8;\u9ad8\u9891\u6bb5(\u5982868 MHz\u548c915 MHz)\u5728\u57ce\u5e02\u73af\u5883\u4e2d\u8868\u73b0\u66f4\u597d\uff0c\u80fd\u91cf\u6d88\u8017\u8f83\u4f4e\uff0c\u4f46\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\u3002<\/p>\n\n\n\n
\u3000\u3000\u4e3a\u4e86\u4f18\u5316LoRa\u70b9\u5bf9\u70b9\u901a\u4fe1\u4ee5\u51cf\u5c11\u73af\u5883\u56e0\u7d20(\u5982\u5efa\u7b51\u7269\u906e\u6321\u6216\u4fe1\u53f7\u5e72\u6270)\u7684\u5f71\u54cd\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5408\u7406\u89c4\u5212\u9891\u6bb5\u548c\u4fe1\u9053<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u907f\u514d\u4e0e\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u9891\u6bb5\u51b2\u7a81\uff0c\u51cf\u5c11\u5e72\u6270\u3002\u9009\u62e9\u672a\u88ab\u5e7f\u6cdb\u4f7f\u7528\u7684\u4fe1\u9053\u548c\u9891\u6bb5\uff0c\u4f8b\u5982\u907f\u514d\u4f7f\u7528868 MHz ISM\u9891\u6bb5\u4e2d\u5df2\u9ad8\u5ea6\u62e5\u6324\u7684\u5b50\u9891\u6bb5\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u8df3\u9891\u6280\u672f\u548c\u4fe1\u9053\u5360\u7528\u68c0\u6d4b\u6280\u672f\uff0c\u51cf\u5c11\u90bb\u9891\u5e72\u6270\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f18\u5316\u5929\u7ebf\u8bbe\u8ba1\u4e0e\u5e03\u5c40<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5c06\u5929\u7ebf\u653e\u7f6e\u5728\u5f00\u9614\u5730\u5e26\u6216\u9ad8\u5904\uff0c\u4ee5\u51cf\u5c11\u4fe1\u53f7\u8870\u51cf\u3002\u4f8b\u5982\uff0c\u5c06\u5929\u7ebf\u653e\u7f6e\u5728\u5ba4\u5916\u9ad8\u5904\u6216\u5c71\u9876\uff0c\u53ef\u4ee5\u663e\u8457\u6539\u5584\u4fe1\u53f7\u8d28\u91cf\u3002<\/p>\n\n\n\n
\u3000\u3000\u9009\u62e9\u5408\u9002\u7684\u5929\u7ebf\u7c7b\u578b\u548c\u4f18\u5316\u5929\u7ebf\u5e03\u5c40\uff0c\u51cf\u5c11\u591a\u5f84\u5e72\u6270\u548c\u7535\u78c1\u5c4f\u853d\u6548\u5e94\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u9ad8\u589e\u76ca\u5929\u7ebf\uff0c\u7279\u522b\u662f\u5728\u57fa\u7ad9\u5b89\u88c5\u9ad8\u589e\u76ca\u5929\u7ebf\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u5f3a\u5ea6\u3002<\/p>\n\n\n\n
\u3000\u3000\u589e\u5f3a\u4fe1\u53f7\u5904\u7406\u4e0e\u7f16\u7801\u80fd\u529b<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u91c7\u7528\u9ad8\u7ea7\u4fe1\u53f7\u5904\u7406\u6280\u672f\u548c\u7ea0\u9519\u7f16\u7801\u7b97\u6cd5\uff0c\u63d0\u9ad8\u901a\u8baf\u7cfb\u7edf\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u524d\u5411\u7ea0\u9519\u7f16\u7801(FEC)\u548c\u4ea4\u7ec7\u6280\u672f\uff0c\u964d\u4f4e\u4e22\u5305\u7387\u548c\u8bef\u7801\u7387\uff0c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u8d28\u91cf\u3002<\/p>\n\n\n\n
\u3000\u3000\u8c03\u6574\u53d1\u5c04\u529f\u7387\u548c\u6570\u636e\u901f\u7387<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u964d\u4f4e\u53d1\u5c04\u529f\u7387\uff0c\u63a7\u5236\u53d1\u5c04\u529f\u7387\uff0c\u8c03\u6574\u6570\u636e\u901f\u7387\uff0c\u91c7\u7528\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387\u7b56\u7565\uff0c\u4f18\u5316\u529f\u8017\u548c\u51cf\u5c11\u5e72\u6270\u3002<\/p>\n\n\n\n
\u3000\u3000\u5728\u4f4e\u5e72\u6270\u73af\u5883\u4e0b\u9009\u62e9\u8f83\u9ad8\u7684\u4f20\u8f93\u901f\u7387;\u5728\u9ad8\u5e72\u6270\u73af\u5883\u4e0b\u964d\u4f4e\u901f\u7387\u4ee5\u589e\u5f3a\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u589e\u52a0\u7f51\u5173\u5bc6\u5ea6\u548c\u5197\u4f59<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5728\u5b58\u5728\u5927\u91cf\u5e72\u6270\u6e90\u7684\u57ce\u5e02\u73af\u5883\u4e2d\uff0c\u589e\u52a0\u7f51\u5173\u5bc6\u5ea6\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5229\u7528LoRaWAN\u7f51\u5173\u5197\u4f59\uff0c\u5728\u7f51\u7edc\u4e2d\u90e8\u7f72\u591a\u4e2a\u7f51\u5173\uff0c\u4ee5\u786e\u4fdd\u5373\u4f7f\u67d0\u4e9b\u7f51\u5173\u56e0\u4e3a\u969c\u788d\u7269\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u5f31\uff0c\u5176\u4ed6\u7f51\u5173\u4ecd\u7136\u53ef\u4ee5\u8986\u76d6\u5230\u8be5\u533a\u57df\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f18\u5316\u7f51\u7edc\u62d3\u6251\u7ed3\u6784<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5408\u7406\u90e8\u7f72\u8bbe\u5907\uff0c\u907f\u514d\u4fe1\u53f7\u76f2\u533a\u548c\u5e72\u6270\u6e90\u3002\u9009\u62e9\u5f00\u9614\u5730\u533a\uff0c\u907f\u514d\u5efa\u7b51\u7269\u963b\u6321\u3002<\/p>\n\n\n\n
\u3000\u3000\u91c7\u7528\u591a\u5929\u7ebf\u5206\u96c6\u63a5\u6536\u6280\u672f\uff0c\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u548c\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\u6297\u5e72\u6270\u6280\u672f<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u91c7\u7528Aloba\u7b97\u6cd5\u901a\u8fc7OOK\u8c03\u5236\u73af\u5883\u4e2d\u7684LoRa\u4fe1\u53f7\u6765\u5b9e\u73b0\u81ea\u5e72\u6270\u6291\u5236\uff0c\u7f13\u89e3\u7531\u4e8e\u8f7d\u6ce2\u4fe1\u53f7\u548c\u56de\u6ce2\u4fe1\u53f7\u4f20\u64ad\u8def\u5f84\u4e0d\u540c\u5bfc\u81f4\u7684\u9891\u7387\u504f\u79fb\u95ee\u9898\u3002<\/p>\n\n\n\n
\u3000\u3000\u7ed3\u5408\u4f7f\u7528\u6269\u9891\u56e0\u5b50\u548c\u8df3\u9891\u6280\u672f\uff0c\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u52a0\u5f3a\u7535\u6e90\u7ba1\u7406\u4e0e\u5b9a\u671f\u68c0\u67e5\u7ef4\u62a4<\/strong>\uff1a<\/p>\n\n\n\n
\u3000\u3000\u786e\u4fdd\u7a33\u5b9a\u7684\u7535\u6e90\u4f9b\u5e94\uff0c\u51cf\u5c11\u7535\u6e90\u6ce2\u52a8\u5bf9\u8bbe\u5907\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u5b9a\u671f\u68c0\u67e5\u548c\u7ef4\u62a4\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000LoRa\u70b9\u5bf9\u70b9\u4f20\u8f93\u65b9\u6848\u4e2d\u7684\u6570\u636e\u52a0\u5bc6\u4f20\u8f93\u6280\u672f\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n\n\n\n
\u3000\u3000AES-128\u52a0\u5bc6\u7b97\u6cd5<\/strong>\uff1a\u8fd9\u662f\u6700\u5e38\u7528\u7684\u52a0\u5bc6\u7b97\u6cd5\uff0c\u7528\u4e8e\u5bf9\u4e0a\u884c\u548c\u4e0b\u884c\u6570\u636e\u7684\u6709\u6548\u8f7d\u8377\u8fdb\u884c\u52a0\u5bc6\u3002\u5177\u4f53\u6765\u8bf4\uff0cLoRaWAN\u534f\u8bae\u4f7f\u7528AES-128\u7b97\u6cd5\u5bf9\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\uff0c\u786e\u4fdd\u53ea\u6709\u6388\u6743\u7684\u63a5\u6536\u65b9\u80fd\u591f\u89e3\u5bc6\u548c\u8bbf\u95ee\u6570\u636e\u3002\u8fd9\u79cd\u52a0\u5bc6\u65b9\u5f0f\u53ef\u4ee5\u9632\u6b62\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u88ab\u622a\u83b7\u6216\u7be1\u6539\u3002<\/p>\n\n\n\n
\u3000\u3000\u7aef\u5230\u7aef\u52a0\u5bc6<\/strong>\uff1a\u9664\u4e86\u7f51\u7edc\u5c42\u7684\u52a0\u5bc6\uff0cLoRaWAN\u8fd8\u652f\u6301\u7aef\u5230\u7aef\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4ece\u6e90\u5934(\u4f20\u611f\u5668)\u5230\u6700\u7ec8\u76ee\u7684\u5730(\u53ef\u80fd\u662f\u5e94\u7528\u670d\u52a1\u5668\u6216\u6570\u5b57\u5b6a\u751f\u6a21\u578b)\u7684\u6574\u4e2a\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u59cb\u7ec8\u4fdd\u6301\u52a0\u5bc6\u72b6\u6001\u3002\u8fd9\u8fdb\u4e00\u6b65\u63d0\u9ad8\u4e86\u6570\u636e\u7684\u5b89\u5168\u6027\uff0c\u5373\u4f7f\u6570\u636e\u7ecf\u8fc7\u591a\u4e2a\u4e2d\u95f4\u8282\u70b9\uff0c\u4e5f\u80fd\u6709\u6548\u9632\u6b62\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u88ab\u7a83\u542c\u6216\u7be1\u6539\u3002<\/p>\n\n\n\n
\u3000\u3000\u52a8\u6001\u5bc6\u94a5\u7ba1\u7406<\/strong>\uff1a\u4f18\u5316\u5bc6\u94a5\u751f\u547d\u5468\u671f\u7ba1\u7406\uff0c\u91c7\u7528\u52a8\u6001\u5bc6\u94a5\u66f4\u65b0\u7b56\u7565\uff0c\u5305\u62ec\u5b9a\u671f\u66f4\u6362\u4f1a\u8bdd\u5bc6\u94a5\u3001\u5b9e\u65bd\u5bc6\u94a5\u6eda\u52a8\u673a\u5236\uff0c\u5e76\u786e\u4fdd\u5bc6\u94a5\u5206\u53d1\u8fc7\u7a0b\u7684\u5b89\u5168\u3002\u8fd9\u79cd\u7b56\u7565\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u5bc6\u94a5\u88ab\u957f\u671f\u56fa\u5b9a\uff0c\u4ece\u800c\u964d\u4f4e\u88ab\u7834\u89e3\u7684\u98ce\u9669\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u5c42\u52a0\u5bc6\u673a\u5236<\/strong>\uff1aLoRa\u6280\u672f\u91c7\u7528\u4e86\u591a\u5c42\u52a0\u5bc6\u673a\u5236\u6765\u4fdd\u62a4\u6570\u636e\u7684\u9690\u79c1\u548c\u5b8c\u6574\u6027\u3002\u9664\u4e86\u5728\u6570\u636e\u4f20\u8f93\u5c42\u9762\u63d0\u4f9b\u52a0\u5bc6\u4fdd\u62a4\uff0c\u8fd8\u5728\u7269\u7406\u5c42\u9762\u4e0a\u8fdb\u884c\u4e86\u52a0\u5bc6\uff0c\u5e76\u4e14\u5728\u8bbe\u5907\u5165\u7f51\u65f6\u4e5f\u91c7\u53d6\u4e86\u76f8\u5e94\u7684\u5b89\u5168\u63aa\u65bd\u3002<\/p>\n\n\n\n
\u3000\u3000\u6d88\u606f\u5b8c\u6574\u6027\u6821\u9a8c<\/strong>\uff1a\u4f7f\u7528\u6d88\u606f\u5b8c\u6574\u6027\u4ee3\u7801(MIC)\u548cAES-CMAC\u7b49\u673a\u5236\u6765\u786e\u4fdd\u6d88\u606f\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u672a\u88ab\u7be1\u6539\u3002\u63a5\u6536\u7aef\u901a\u8fc7\u6bd4\u8f83\u6536\u5230\u7684\u6d88\u606f\u7684MIC\u503c\u4e0e\u53d1\u9001\u7aef\u63d0\u4f9b\u7684MIC\u503c\u6765\u68c0\u6d4b\u6d88\u606f\u662f\u5426\u88ab\u7be1\u6539\u3002<\/p>\n\n\n\n
\u3000\u3000\u91cd\u653e\u653b\u51fb\u9632\u62a4<\/strong>\uff1a\u901a\u8fc7DevNonce\u968f\u673a\u751f\u6210\u529f\u80fd\u3001CRC\u6821\u9a8c\u3001\u5e27\u8ba1\u6570\u5668\u6280\u672f\u548c\u65f6\u95f4\u6233\u6807\u8bb0\u7b49\u63aa\u65bd\uff0c\u9632\u6b62\u91cd\u653e\u653b\u51fb\u3002\u8fd9\u4e9b\u63aa\u65bd\u53ef\u4ee5\u786e\u4fdd\u6bcf\u4e2a\u6d88\u606f\u90fd\u662f\u552f\u4e00\u7684\uff0c\u907f\u514d\u653b\u51fb\u8005\u622a\u53d6\u5e76\u91cd\u4f20\u65e7\u6d88\u606f\u3002<\/p>\n\n\n\n
\u3000\u3000\u7269\u7406\u5c42\u5b89\u5168\u7279\u6027<\/strong>\uff1aLoRa\u6280\u672f\u7684\u9690\u853d\u6027\u548c\u6297\u5e72\u6270\u7279\u6027\uff0c\u4ee5\u53ca\u7269\u7406\u5c42\u52a0\u5bc6\uff0c\u8fdb\u4e00\u6b65\u589e\u5f3a\u4e86\u7f51\u7edc\u5b89\u5168\u6027\u3002\u4f8b\u5982\uff0c\u7535\u78c1\u6cc4\u6f0f\u9632\u62a4\u548c\u6297\u4fa7\u901a\u9053\u653b\u51fb\u8bbe\u8ba1\u53ef\u4ee5\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002<\/p>\n\n\n\n
\u3000\u3000\u786c\u4ef6\u5b89\u5168\u63aa\u65bd<\/strong>\uff1a\u4f8b\u5982\u4f7f\u7528Microchip\u7684ATECC608B CryptoAuthentication\u8bbe\u5907\uff0c\u901a\u8fc7\u786c\u4ef6\u57fa\u7840\u7684\u5bc6\u94a5\u5b58\u50a8\u548c\u786c\u4ef6\u52a0\u5bc6\u52a0\u901f\u5668\u5b9e\u73b0\u5404\u79cd\u8eab\u4efd\u9a8c\u8bc1\u548c\u52a0\u5bc6\u534f\u8bae\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fd9\u4e9b\u52a0\u5bc6\u6280\u672f\u548c\u63aa\u65bd\u5171\u540c\u6784\u5efa\u4e86\u4e00\u4e2a\u76f8\u5bf9\u5b89\u5168\u7684\u7269\u8054\u7f51\u901a\u4fe1\u73af\u5883\uff0c\u786e\u4fdd\u4e86LoRa\u7f51\u7edc\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u53ef\u9760\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u5728\u7269\u8054\u7f51\u9886\u57df\uff0cLoRa\u70b9\u5bf9\u70b9\u4f20\u8f93\u65b9\u6848\u4e0e\u5176\u4ed6\u65e0\u7ebf\u901a\u4fe1\u6280\u672f(\u5982Wi-Fi\u3001\u84dd\u7259)\u76f8\u6bd4\u5177\u6709\u663e\u8457\u7684\u4f18\u52bf\u548c\u52a3\u52bf\u3002<\/p>\n\n\n\n
\u3000\u3000\u957f\u8ddd\u79bb\u4f20\u8f93\u80fd\u529b<\/strong>\uff1aLoRa\u80fd\u591f\u5b9e\u73b0\u51e0\u516c\u91cc\u751a\u81f3\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u8fd9\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u9700\u8981\u5e7f\u8986\u76d6\u7684\u5e94\u7528\u573a\u666f\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u84dd\u7259\u7684\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u5728100\u7c73\u5de6\u53f3\uff0c\u800cWi-Fi\u5219\u66f4\u9002\u5408\u77ed\u8ddd\u79bb\u4f20\u8f93\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f4e\u529f\u8017<\/strong>\uff1aLoRa\u6a21\u5757\u5728\u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\u53ef\u4ee5\u5b9e\u73b0\u8d85\u957f\u5f85\u673a\u65f6\u95f4\uff0c\u5176\u529f\u8017\u901a\u5e38\u5728\u5fae\u5b89\u7ea7\u522b\uff0c\u9002\u5408\u4e8e\u9700\u8981\u957f\u671f\u8fd0\u884c\u7684\u8bbe\u5907\u3002\u8fd9\u4f7f\u5f97LoRa\u5728\u7535\u6c60\u5bff\u547d\u65b9\u9762\u5177\u6709\u660e\u663e\u4f18\u52bf\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u957f\u65f6\u95f4\u5f85\u673a\u7684\u5e94\u7528\u573a\u666f\u4e2d\u3002<\/p>\n\n\n\n
\u3000\u3000\u5f3a\u5927\u7684\u7a7f\u900f\u80fd\u529b<\/strong>\uff1aLoRa\u5177\u6709\u8f83\u5f3a\u7684\u7a7f\u900f\u80fd\u529b\uff0c\u53ef\u4ee5\u6df1\u5165\u5ba4\u5185\u73af\u5883\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u800cWi-Fi\u548c\u84dd\u7259\u7b49\u6280\u672f\u5219\u96be\u4ee5\u505a\u5230\u8fd9\u4e00\u70b9\u3002<\/p>\n\n\n\n
\u3000\u3000\u591a\u8bbe\u5907\u8fde\u63a5<\/strong>\uff1aLoRa\u652f\u6301\u591a\u8bbe\u5907\u8fde\u63a5\uff0c\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u7269\u8054\u7f51\u5e94\u7528\u3002\u8fd9\u4f7f\u5f97LoRa\u5728\u6784\u5efa\u5927\u89c4\u6a21\u7684\u7269\u8054\u7f51\u7f51\u7edc\u65f6\u5177\u6709\u660e\u663e\u4f18\u52bf\u3002<\/p>\n\n\n\n
\u3000\u3000\u5b89\u5168\u6027<\/strong>\uff1aLoRa\u5177\u5907\u53cc\u5411\u8ba4\u8bc1\u3001\u7aef\u5230\u7aef\u52a0\u5bc6\u548c\u5b8c\u6574\u6027\u4fdd\u62a4\u7b49\u7279\u6027\uff0c\u786e\u4fdd\u4e86\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u6613\u4e8e\u90e8\u7f72<\/strong>\uff1aLoRa\u7f51\u7edc\u7684\u5efa\u8bbe\u548c\u90e8\u7f72\u76f8\u5bf9\u7b80\u5355\uff0c\u4e14\u4e0d\u9700\u8981\u7279\u5b9a\u7684\u8bb8\u53ef\u8bc1\uff0c\u964d\u4f4e\u4e86\u90e8\u7f72\u6210\u672c\u548c\u590d\u6742\u5ea6\u3002<\/p>\n\n\n\n
\u3000\u3000\u4f20\u8f93\u901f\u7387\u8f83\u4f4e<\/strong>\uff1a\u4e0eWi-Fi\u548c\u84dd\u7259\u76f8\u6bd4\uff0cLoRa\u7684\u4f20\u8f93\u901f\u7387\u901a\u5e38\u572810kbps\u523050kbps\u4e4b\u95f4\uff0c\u8fd9\u6bd4Wi-Fi(20Mbps\u81f3\u6570\u767eMbps)\u548c\u84dd\u7259(1Mbps)\u8981\u6162\u5f97\u591a\u3002\u8fd9\u4f7f\u5f97LoRa\u4e0d\u9002\u5408\u9700\u8981\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u7684\u5e94\u7528\uff0c\u5982\u9ad8\u6e05\u89c6\u9891\u6d41\u6216\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e26\u5bbd\u6709\u9650<\/strong>\uff1a\u4e0eWi-Fi\u76f8\u6bd4\uff0cLoRa\u5728\u5e26\u5bbd\u65b9\u9762\u4e0d\u5360\u4f18\u52bf\uff0cWi-Fi\u63d0\u4f9b\u66f4\u9ad8\u7684\u5e26\u5bbd\uff0c\u4f46\u5728\u7535\u6c60\u5bff\u547d\u548c\u8303\u56f4\u65b9\u9762\u4e0d\u5982LoRa\u3002<\/p>\n\n\n\n
\u3000\u3000\u5e94\u7528\u573a\u666f\u9650\u5236<\/strong>\uff1a\u7531\u4e8e\u5176\u8f83\u6162\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\uff0cLoRa\u4e0d\u9002\u5408\u9891\u7e41\u4f20\u8f93\u5927\u5bb9\u91cf\u6570\u636e\u7684\u573a\u666f\uff0c\u5982\u5b9e\u65f6\u89c6\u9891\u6d41\u4f20\u8f93\u6216\u9ad8\u901f\u6570\u636e\u4ea4\u6362\u3002<\/p>\n\n\n\n
\u3000\u3000\u8986\u76d6\u8303\u56f4\u6709\u9650<\/strong>\uff1a\u867d\u7136LoRa\u5728\u957f\u8ddd\u79bb\u901a\u4fe1\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u4f46\u5176\u8986\u76d6\u8303\u56f4\u4ecd\u7136\u53d7\u5230\u73af\u5883\u56e0\u7d20\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n
\u3000\u3000LoRa\u70b9\u5bf9\u70b9\u4f20\u8f93\u65b9\u6848\u5728\u7269\u8054\u7f51\u9886\u57df\u5177\u6709\u663e\u8457\u7684\u4f18\u52bf\uff0c\u7279\u522b\u662f\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u3001\u4f4e\u529f\u8017\u3001\u591a\u8bbe\u5907\u8fde\u63a5\u548c\u5b89\u5168\u6027\u65b9\u9762\u3002\u7136\u800c\uff0c\u5176\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\u548c\u5e26\u5bbd\u6709\u9650\u7684\u52a3\u52bf\u4e5f\u9650\u5236\u4e86\u5176\u5728\u67d0\u4e9b\u5e94\u7528\u573a\u666f\u4e2d\u7684\u4f7f\u7528\u3002<\/p>\n\n\n\n
\u3000\u3000\u9488\u5bf9LoRa\u70b9\u5bf9\u70b9\u4f20\u8f93\u65b9\u6848\u7684\u5f00\u6e90\u9879\u76ee\u548c\u793e\u533a\u652f\u6301\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5f00\u6e90\u9879\u76ee<\/strong>\uff1a<\/p>\n\n\n\n
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