{"id":100996,"date":"2025-02-12T11:12:17","date_gmt":"2025-02-12T03:12:17","guid":{"rendered":"\/\/www.viralrail.com\/?p=100996"},"modified":"2025-02-12T11:12:23","modified_gmt":"2025-02-12T03:12:23","slug":"lsjzgsjs","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/100996.html","title":{"rendered":"LoRa\u6570\u636e\u5e27\u683c\u5f0f\u4ecb\u7ecd"},"content":{"rendered":"\n<p>\u3000\u3000<strong>LoRa\u6570\u636e\u5e27\u683c\u5f0f<\/strong>\u662fLoRa\u901a\u4fe1\u534f\u8bae\u4e2d\u7528\u4e8e\u63cf\u8ff0\u6570\u636e\u4f20\u8f93\u7ed3\u6784\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u5176\u8bbe\u8ba1\u65e8\u5728\u786e\u4fdd\u6570\u636e\u7684\u53ef\u9760\u6027\u548c\u517c\u5bb9\u6027\u3002\u4ee5\u4e0b\u662f\u5bf9LoRa\u6570\u636e\u5e27\u683c\u5f0f\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff1a<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u6570\u636e\u5e27\u683c\u5f0f\u4ecb\u7ecd<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>LoRa\u6570\u636e\u5e27\u7684\u57fa\u672c\u7ec4\u6210<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u6570\u636e\u5e27\u901a\u5e38\u7531\u4ee5\u4e0b\u51e0\u4e2a\u90e8\u5206\u7ec4\u6210\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u524d\u5bfc\u7801\uff08Preamble\uff09<\/strong>&nbsp;\uff1a\u7528\u4e8e\u63a5\u6536\u7aef\u540c\u6b65\u4fe1\u53f7\u548c\u68c0\u6d4b\u5e27\u7684\u5f00\u59cb\u3002\u524d\u5bfc\u7801\u53ef\u4ee5\u662f\u53ef\u53d8\u957f\u5ea6\uff0c\u5178\u578b\u503c\u4e3a8\u4e2a\u7b26\u53f7\uff0c\u4f46\u5b9e\u9645\u957f\u5ea6\u53ef\u80fd\u6839\u636e\u5177\u4f53\u9700\u6c42\u8c03\u6574\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e27\u540c\u6b65\u5b57\uff08Sync Word\uff09<\/strong>&nbsp;\uff1a\u7528\u4e8e\u5feb\u901f\u8bc6\u522bLoRa\u7f51\u7edc\uff0c\u901a\u5e38\u7531\u4e24\u4e2a\u7b26\u53f7\u5bbd\u5ea6\u7684\u6807\u51c6down-chirp\u4fe1\u53f7\u7ec4\u6210\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e27\u8d77\u59cb\u5206\u9694\u7b26\uff08SFD\uff09<\/strong>&nbsp;\uff1a\u6807\u8bc6\u5e27\u7684\u5f00\u59cb\uff0c\u7531\u4e24\u4e2a\u7b26\u53f7\u5bbd\u5ea6\u7684\u6807\u51c6down-chirp\u4fe1\u53f7\u7ec4\u6210\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5934\uff08Header\uff09<\/strong>&nbsp;\uff1a\u5305\u542b\u6709\u6548\u8f7d\u8377\u957f\u5ea6\u3001\u6269\u9891\u56e0\u5b50(SF)\u3001\u7f16\u7801\u7387(CR)\u7b49\u4fe1\u606f\u3002\u5934\u5b57\u6bb5\u5206\u4e3a\u663e\u6027\u6a21\u5f0f\u548c\u9690\u6027\u6a21\u5f0f\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u663e\u6027\u6a21\u5f0f<\/strong>\uff1a\u5305\u542b\u77ed\u62a5\u5934\uff0c\u5305\u62ec\u6709\u6548\u8f7d\u8377\u957f\u5ea6\u3001\u7f16\u7801\u7387\u548cCRC\u6821\u9a8c\u7801\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9690\u6027\u6a21\u5f0f<\/strong>\uff1a\u4e0d\u5305\u542b\u5934\u5b57\u6bb5\uff0c\u9002\u7528\u4e8e\u6570\u636e\u91cf\u8f83\u5c0f\u6216\u4f20\u8f93\u65f6\u95f4\u6709\u9650\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6709\u6548\u8f7d\u8377\uff08Payload\uff09<\/strong>&nbsp;\uff1a\u5b9e\u9645\u4f20\u8f93\u7684\u6570\u636e\u5185\u5bb9\uff0c\u957f\u5ea6\u7531\u5934\u5b57\u6bb5\u4e2d\u7684\u6709\u6548\u8f7d\u8377\u957f\u5ea6\u51b3\u5b9a\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5faa\u73af\u5197\u4f59\u6821\u9a8c\uff08CRC\uff09<\/strong>&nbsp;\uff1a\u7528\u4e8e\u9519\u8bef\u68c0\u6d4b\uff0c\u53ef\u9009\u5b57\u6bb5\uff0c\u6839\u636e\u5934\u5b57\u6bb5\u4e2d\u7684CRC\u53c2\u6570\u751f\u6210\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u663e\u6027\u6a21\u5f0f\u4e0e\u9690\u6027\u6a21\u5f0f\u7684\u533a\u522b<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u6570\u636e\u5e27\u652f\u6301\u4e24\u79cd\u6a21\u5f0f\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u663e\u6027\u6a21\u5f0f<\/strong>\uff1a\u5305\u542b\u77ed\u62a5\u5934\uff0c\u9002\u7528\u4e8e\u9700\u8981\u660e\u786e\u6807\u8bc6\u5e27\u4fe1\u606f\u7684\u573a\u666f\u3002\u62a5\u5934\u4e2d\u5305\u542b\u6709\u6548\u8f7d\u8377\u957f\u5ea6\u3001\u7f16\u7801\u7387\u548cCRC\u6821\u9a8c\u7801\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9690\u6027\u6a21\u5f0f<\/strong>\uff1a\u4e0d\u5305\u542b\u62a5\u5934\u5b57\u6bb5\uff0c\u9002\u7528\u4e8e\u6570\u636e\u91cf\u8f83\u5c0f\u6216\u4f20\u8f93\u65f6\u95f4\u6709\u9650\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u524d\u5bfc\u7801\u7684\u4f5c\u7528<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000\u524d\u5bfc\u7801\u662fLoRa\u6570\u636e\u5e27\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u5176\u4e3b\u8981\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u540c\u6b65\u4fe1\u53f7<\/strong>\uff1a\u5e2e\u52a9\u63a5\u6536\u7aef\u68c0\u6d4b\u5e27\u7684\u5f00\u59cb\uff0c\u5e76\u8fdb\u884c\u4fe1\u53f7\u540c\u6b65\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4fe1\u53f7\u68c0\u6d4b<\/strong>\uff1a\u901a\u8fc7\u68c0\u6d4b\u524d\u5bfc\u7801\u7684\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u5224\u65ad\u4fe1\u9053\u662f\u5426\u7a7a\u95f2\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u53ef\u53d8\u957f\u5ea6\u8bbe\u8ba1<\/strong>\uff1a\u524d\u5bfc\u7801\u957f\u5ea6\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8c03\u6574\uff0c\u5178\u578b\u503c\u4e3a8\u4e2a\u7b26\u53f7\uff0c\u4f46\u6700\u5927\u957f\u5ea6\u53ef\u8fbe65535\u4e2a\u7b26\u53f7\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u5934\u5b57\u6bb5\u7684\u7ed3\u6784<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000\u5934\u5b57\u6bb5\u662fLoRa\u6570\u636e\u5e27\u7684\u6838\u5fc3\u90e8\u5206\uff0c\u5176\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6709\u6548\u8f7d\u8377\u957f\u5ea6<\/strong>\uff1a\u6307\u793a\u6709\u6548\u8f7d\u8377\u7684\u5b57\u8282\u6570\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6269\u9891\u56e0\u5b50\uff08SF\uff09<\/strong>&nbsp;\uff1a\u51b3\u5b9a\u4fe1\u53f7\u7684\u5e26\u5bbd\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u8303\u56f4\u901a\u5e38\u4e3a7\u523012.<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7f16\u7801\u7387\uff08CR\uff09<\/strong>&nbsp;\uff1a\u5f71\u54cd\u6570\u636e\u4f20\u8f93\u7684\u7ea0\u9519\u80fd\u529b\uff0c\u5178\u578b\u503c\u4e3a4\/8.<\/p>\n\n\n\n<p>\u3000\u3000<strong>CRC\u6821\u9a8c\u7801<\/strong>\uff1a\u7528\u4e8e\u68c0\u6d4b\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u9519\u8bef\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005.&nbsp;<strong>\u6709\u6548\u8f7d\u8377<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000\u6709\u6548\u8f7d\u8377\u662fLoRa\u6570\u636e\u5e27\u4e2d\u5b9e\u9645\u4f20\u8f93\u7684\u6570\u636e\u5185\u5bb9\uff0c\u5176\u957f\u5ea6\u7531\u5934\u5b57\u6bb5\u4e2d\u7684\u6709\u6548\u8f7d\u8377\u957f\u5ea6\u51b3\u5b9a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30006.&nbsp;<strong>CRC\u6821\u9a8c<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000CRC\u6821\u9a8c\u7801\u662f\u53ef\u9009\u5b57\u6bb5\uff0c\u7528\u4e8e\u68c0\u6d4b\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u9519\u8bef\u3002\u5982\u679c\u542f\u7528CRC\u6821\u9a8c\uff0c\u6821\u9a8c\u7801\u5c06\u6839\u636e\u5934\u5b57\u6bb5\u4e2d\u7684CRC\u53c2\u6570\u751f\u6210\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30007.&nbsp;<strong>LoRa\u6570\u636e\u5e27\u7684\u5e94\u7528\u573a\u666f<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u6570\u636e\u5e27\u683c\u5f0f\u9002\u7528\u4e8e\u591a\u79cd\u5e94\u7528\u573a\u666f\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f4e\u529f\u8017\u5e7f\u57df\u7f51\uff08LPWAN\uff09<\/strong>&nbsp;\uff1a\u901a\u8fc7\u4f18\u5316\u524d\u5bfc\u7801\u548c\u5934\u5b57\u6bb5\u957f\u5ea6\uff0c\u51cf\u5c11\u529f\u8017\u548c\u4f20\u8f93\u65f6\u95f4\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7269\u8054\u7f51\u901a\u4fe1<\/strong>\uff1a\u652f\u6301\u591a\u79cd\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f20\u611f\u5668\u7f51\u7edc<\/strong>\uff1a\u9002\u7528\u4e8e\u6e29\u5ea6\u3001\u6e7f\u5ea6\u7b49\u4f20\u611f\u5668\u6570\u636e\u7684\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6570\u636e\u5e27\u683c\u5f0f\u901a\u8fc7\u524d\u5bfc\u7801\u3001\u5934\u5b57\u6bb5\u3001\u6709\u6548\u8f7d\u8377\u548cCRC\u6821\u9a8c\u7b49\u90e8\u5206\u7684\u8bbe\u8ba1\uff0c\u5b9e\u73b0\u4e86\u9ad8\u6548\u3001\u53ef\u9760\u7684\u65e0\u7ebf\u901a\u4fe1\u3002\u5176\u7075\u6d3b\u7684\u524d\u5bfc\u7801\u957f\u5ea6\u548c\u5934\u5b57\u6bb5\u7ed3\u6784\u4f7f\u5176\u80fd\u591f\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\u4e8c\u3001 LoRa\u524d\u5bfc\u7801\u957f\u5ea6\u5bf9\u901a\u4fe1\u6027\u80fd\u7684\u5177\u4f53\u5f71\u54cd\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u524d\u5bfc\u7801\u957f\u5ea6\u5bf9\u901a\u4fe1\u6027\u80fd\u7684\u5177\u4f53\u5f71\u54cd\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u540c\u6b65\u9c81\u68d2\u6027<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000\u524d\u5bfc\u7801\u957f\u5ea6\u7684\u589e\u52a0\u53ef\u4ee5\u63d0\u9ad8\u63a5\u6536\u7aef\u7684\u540c\u6b65\u9c81\u68d2\u6027\u3002\u8f83\u957f\u7684\u524d\u5bfc\u7801\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u7b26\u53f7\u7528\u4e8e\u540c\u6b65\uff0c\u4f7f\u5f97\u63a5\u6536\u7aef\u80fd\u591f\u66f4\u51c6\u786e\u5730\u6355\u6349\u5230\u4fe1\u53f7\u7684\u8d77\u59cb\u4f4d\u7f6e\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u53ef\u9760\u7684\u540c\u6b65\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u4fe1\u9053\u6761\u4ef6\u8f83\u5dee(\u5982\u9ad8\u566a\u58f0\u6216\u5e72\u6270\u73af\u5883)\u7684\u60c5\u51b5\u4e0b\uff0c\u8f83\u957f\u7684\u524d\u5bfc\u7801\u6709\u52a9\u4e8e\u63a5\u6536\u7aef\u66f4\u597d\u5730\u5206\u79bb\u4fe1\u53f7\u548c\u566a\u58f0\uff0c\u51cf\u5c11\u8bef\u5224\u7684\u53ef\u80fd\u6027\uff0c\u964d\u4f4e\u4e22\u5305\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u901a\u4fe1\u8ddd\u79bb\u4e0e\u529f\u8017<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000\u524d\u5bfc\u7801\u957f\u5ea6\u7684\u589e\u52a0\u4f1a\u5ef6\u957f\u6570\u636e\u4f20\u8f93\u7684\u65f6\u95f4\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u53d1\u5c04\u5668\u548c\u63a5\u6536\u5668\u7684\u529f\u8017\u589e\u52a0\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u529f\u8017\u654f\u611f\u7684\u5e94\u7528\u4e2d\uff0c\u8f83\u77ed\u7684\u524d\u5bfc\u7801\u53ef\u4ee5\u51cf\u5c11\u529f\u8017\uff0c\u4f46\u53ef\u80fd\u4f1a\u727a\u7272\u540c\u6b65\u7684\u9c81\u68d2\u6027\u3002\u56e0\u6b64\uff0c\u5728\u529f\u8017\u548c\u6027\u80fd\u4e4b\u95f4\u9700\u8981\u6743\u8861\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u4e22\u5305\u7387<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000\u8f83\u957f\u7684\u524d\u5bfc\u7801\u53ef\u4ee5\u63d0\u9ad8\u540c\u6b65\u7684\u51c6\u786e\u6027\uff0c\u4ece\u800c\u964d\u4f4e\u4e22\u5305\u7387\u3002\u8fd9\u662f\u56e0\u4e3a\u63a5\u6536\u7aef\u80fd\u591f\u66f4\u51c6\u786e\u5730\u9501\u5b9a\u4fe1\u53f7\u7684\u8d77\u59cb\u4f4d\u7f6e\uff0c\u51cf\u5c11\u56e0\u540c\u6b65\u9519\u8bef\u5bfc\u81f4\u7684\u6570\u636e\u5305\u4e22\u5931\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7136\u800c\uff0c\u8fc7\u957f\u7684\u524d\u5bfc\u7801\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4f20\u8f93\u65f6\u95f4\u8fc7\u957f\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u6570\u636e\u901f\u7387\u7684\u5e94\u7528\u4e2d\uff0c\u8fd9\u53ef\u80fd\u589e\u52a0\u4e22\u5305\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u4fe1\u9053\u6761\u4ef6\u9002\u5e94\u6027<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u4f4e\u4fe1\u566a\u6bd4(SNR)\u6216\u9ad8\u5e72\u6270\u73af\u5883\u4e0b\uff0c\u8f83\u957f\u7684\u524d\u5bfc\u7801\u80fd\u591f\u63d0\u4f9b\u66f4\u597d\u7684\u4fe1\u9053\u9002\u5e94\u6027\uff0c\u5e2e\u52a9\u63a5\u6536\u7aef\u66f4\u597d\u5730\u8bc6\u522b\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u4fe1\u9053\u6761\u4ef6\u8f83\u597d\u65f6\uff0c\u8f83\u77ed\u7684\u524d\u5bfc\u7801\u53ef\u4ee5\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u4f20\u8f93\u65f6\u95f4\uff0c\u63d0\u9ad8\u901a\u4fe1\u6548\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005.&nbsp;<strong>\u786c\u4ef6\u8d44\u6e90\u4e0e\u7cfb\u7edf\u6027\u80fd<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000\u524d\u5bfc\u7801\u957f\u5ea6\u7684\u589e\u52a0\u4f1a\u5360\u7528\u66f4\u591a\u7684\u786c\u4ef6\u8d44\u6e90(\u5982\u5b58\u50a8\u5668\u548c\u8ba1\u7b97\u8d44\u6e90)\uff0c\u8fd9\u53ef\u80fd\u5f71\u54cd\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u67d0\u4e9b\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u4e3a\u4e86\u5e73\u8861\u6027\u80fd\u548c\u8d44\u6e90\u6d88\u8017\uff0c\u53ef\u80fd\u4f1a\u9009\u62e9\u8f83\u77ed\u7684\u524d\u5bfc\u7801\u957f\u5ea6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30006.&nbsp;<strong>\u5e94\u7528\u573a\u666f\u7684\u4f18\u5316<\/strong><\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u7269\u8054\u7f51(IoT)\u5e94\u7528\u4e2d\uff0c\u8f83\u957f\u7684\u524d\u5bfc\u7801\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5305\u7684\u4f20\u8f93\u53ef\u9760\u6027\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u9ad8\u540c\u6b65\u7cbe\u5ea6\u7684\u573a\u666f\u4e2d\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u4e2d\uff0c\u8f83\u77ed\u7684\u524d\u5bfc\u7801\u53ef\u4ee5\u51cf\u5c11\u529f\u8017\uff0c\u5ef6\u957f\u8bbe\u5907\u7684\u7535\u6c60\u5bff\u547d\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u524d\u5bfc\u7801\u957f\u5ea6\u7684\u9009\u62e9\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u8fdb\u884c\u6743\u8861\u3002\u4f8b\u5982\uff0c\u5728\u9ad8\u5e72\u6270\u6216\u4f4e\u4fe1\u566a\u6bd4\u73af\u5883\u4e0b\uff0c\u8f83\u957f\u7684\u524d\u5bfc\u7801\u53ef\u4ee5\u63d0\u9ad8\u540c\u6b65\u9c81\u68d2\u6027\u548c\u901a\u4fe1\u53ef\u9760\u6027;\u800c\u5728\u529f\u8017\u654f\u611f\u6216\u9ad8\u6570\u636e\u901f\u7387\u7684\u5e94\u7528\u4e2d\uff0c\u8f83\u77ed\u7684\u524d\u5bfc\u7801\u53ef\u4ee5\u51cf\u5c11\u529f\u8017\u548c\u4f20\u8f93\u65f6\u95f4\u3002\u56e0\u6b64\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u901a\u5e38\u4f1a\u6839\u636e\u4fe1\u9053\u6761\u4ef6\u3001\u529f\u8017\u8981\u6c42\u548c\u6570\u636e\u901f\u7387\u7b49\u56e0\u7d20\u7efc\u5408\u8003\u8651\u524d\u5bfc\u7801\u957f\u5ea6\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u524d\u5bfc\u7801\u957f\u5ea6\u5bf9\u901a\u4fe1\u6027\u80fd\u7684\u5f71\u54cd\u662f\u591a\u65b9\u9762\u7684\uff0c\u65e2\u5305\u62ec\u540c\u6b65\u9c81\u68d2\u6027\u548c\u4e22\u5305\u7387\u7684\u6539\u5584\uff0c\u4e5f\u6d89\u53ca\u529f\u8017\u548c\u4f20\u8f93\u65f6\u95f4\u7684\u6743\u8861\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u663e\u6027\u6a21\u5f0f\u548c\u9690\u6027\u6a21\u5f0f\u5728LoRa\u901a\u4fe1\u4e2d\u5206\u522b\u9002\u7528\u4e8e\u54ea\u4e9b\u5177\u4f53\u573a\u666f?<\/h2>\n\n\n\n<p>\u3000\u3000\u663e\u6027\u6a21\u5f0f\u548c\u9690\u6027\u6a21\u5f0f\u5728LoRa\u901a\u4fe1\u4e2d\u5206\u522b\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5177\u4f53\u573a\u666f\uff0c\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u5206\u6790\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u663e\u6027\u6a21\u5f0f\u7684\u9002\u7528\u573a\u666f<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u6570\u636e\u5305\u7ed3\u6784\u590d\u6742<\/strong>\uff1a\u663e\u6027\u6a21\u5f0f\u5305\u542b\u77ed\u6807\u5934\uff0c\u5176\u4e2d\u5305\u542b\u6709\u6548\u8f7d\u8377\u957f\u5ea6\u3001\u7f16\u7801\u901f\u7387\u4ee5\u53ca\u662f\u5426\u9644\u52a0CRC\u6821\u9a8c\u7684\u4fe1\u606f\u3002\u8fd9\u79cd\u7ed3\u6784\u4f7f\u5f97\u663e\u6027\u6a21\u5f0f\u66f4\u9002\u5408\u9700\u8981\u7cbe\u786e\u63a7\u5236\u6570\u636e\u5305\u957f\u5ea6\u548c\u5185\u5bb9\u7684\u573a\u666f\uff0c\u4f8b\u5982\u9700\u8981\u9ad8\u53ef\u9760\u6027\u548c\u7cbe\u786e\u540c\u6b65\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u524d\u5411\u7ea0\u9519\uff08FEC\uff09\u9700\u6c42<\/strong>\uff1a\u663e\u6027\u6a21\u5f0f\u652f\u6301\u524d\u5411\u7ea0\u9519\u7801(FEC)\uff0c\u53ef\u4ee5\u4f7f\u75288\u4e2a\u6700\u5f3a\u7684\u7f16\u7801\u7b26\u53f7\u786e\u4fdd\u6240\u6709\u6709\u6548\u8f7d\u8377\u7b26\u53f7\u88ab\u63a5\u6536\u7aef\u6b63\u786e\u89e3\u7801\u3002\u8fd9\u5bf9\u4e8e\u5bf9\u6570\u636e\u5b8c\u6574\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\u975e\u5e38\u6709\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u624b\u52a8\u914d\u7f6e\u9700\u6c42<\/strong>\uff1a\u663e\u6027\u6a21\u5f0f\u9700\u8981\u624b\u52a8\u914d\u7f6e\u6709\u6548\u8f7d\u8377\u957f\u5ea6\u3001\u9519\u8bef\u7f16\u7801\u901f\u7387\u548cCRC\u6821\u9a8c\u7b49\u53c2\u6570\uff0c\u56e0\u6b64\u9002\u7528\u4e8e\u9700\u8981\u7075\u6d3b\u914d\u7f6e\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6570\u636e\u4f20\u8f93\u65f6\u95f4\u8981\u6c42\u8f83\u4f4e<\/strong>\uff1a\u7531\u4e8e\u663e\u6027\u6a21\u5f0f\u5305\u542b\u66f4\u591a\u7684\u63a7\u5236\u4fe1\u606f\u548c\u6821\u9a8c\u7801\uff0c\u5176\u4f20\u8f93\u65f6\u95f4\u8f83\u957f\uff0c\u56e0\u6b64\u66f4\u9002\u5408\u5bf9\u4f20\u8f93\u65f6\u95f4\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u9690\u6027\u6a21\u5f0f\u7684\u9002\u7528\u573a\u666f<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u4f20\u8f93\u65f6\u95f4\u8981\u6c42\u9ad8<\/strong>\uff1a\u9690\u6027\u6a21\u5f0f\u4e0d\u5305\u542b\u7269\u7406\u5e27\u7684\u5934\u90e8\u4fe1\u606f\uff0c\u56e0\u6b64\u4f20\u8f93\u65f6\u95f4\u8f83\u77ed\uff0c\u9002\u5408\u9700\u8981\u5feb\u901f\u4f20\u8f93\u5927\u91cf\u6570\u636e\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u56fa\u5b9a\u957f\u5ea6\u6570\u636e\u5305<\/strong>\uff1a\u9690\u6027\u6a21\u5f0f\u4e0b\uff0c\u6709\u6548\u8f7d\u8377\u957f\u5ea6\u548c\u7f16\u7801\u901f\u7387\u662f\u56fa\u5b9a\u7684\u6216\u9884\u5148\u5df2\u77e5\u7684\uff0c\u56e0\u6b64\u9002\u7528\u4e8e\u6570\u636e\u5305\u957f\u5ea6\u56fa\u5b9a\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7b80\u5316\u914d\u7f6e\u9700\u6c42<\/strong>\uff1a\u9690\u6027\u6a21\u5f0f\u4e0d\u9700\u8981\u624b\u52a8\u914d\u7f6e\u6709\u6548\u8f7d\u8377\u957f\u5ea6\u3001\u9519\u8bef\u7f16\u7801\u901f\u7387\u548cCRC\u6821\u9a8c\u7b49\u53c2\u6570\uff0c\u7b80\u5316\u4e86\u914d\u7f6e\u8fc7\u7a0b\uff0c\u9002\u5408\u5bf9\u914d\u7f6e\u590d\u6742\u5ea6\u8981\u6c42\u8f83\u4f4e\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f4e\u529f\u8017\u5e94\u7528<\/strong>\uff1a\u9690\u6027\u6a21\u5f0f\u7531\u4e8e\u4f20\u8f93\u65f6\u95f4\u77ed\uff0c\u53ef\u4ee5\u51cf\u5c11\u529f\u8017\uff0c\u9002\u5408\u7269\u8054\u7f51(IoT)\u4e2d\u7684\u4f4e\u529f\u8017\u8bbe\u5907\u901a\u4fe1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. \u5177\u4f53\u5bf9\u6bd4<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u6570\u636e\u5305\u7ed3\u6784<\/strong>\uff1a\u663e\u6027\u6a21\u5f0f\u5305\u542b\u77ed\u6807\u5934\u548c\u53ef\u53d8\u957f\u5ea6\u7684\u6709\u6548\u8f7d\u8377\uff0c\u800c\u9690\u6027\u6a21\u5f0f\u4e0d\u5305\u542b\u6807\u5934\u4fe1\u606f\uff0c\u6709\u6548\u8f7d\u8377\u957f\u5ea6\u56fa\u5b9a\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f20\u8f93\u65f6\u95f4<\/strong>\uff1a\u663e\u6027\u6a21\u5f0f\u4f20\u8f93\u65f6\u95f4\u8f83\u957f\uff0c\u9690\u6027\u6a21\u5f0f\u4f20\u8f93\u65f6\u95f4\u8f83\u77ed\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u914d\u7f6e\u590d\u6742\u5ea6<\/strong>\uff1a\u663e\u6027\u6a21\u5f0f\u9700\u8981\u624b\u52a8\u914d\u7f6e\u591a\u4e2a\u53c2\u6570\uff0c\u9690\u6027\u6a21\u5f0f\u914d\u7f6e\u7b80\u5355\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u663e\u6027\u6a21\u5f0f\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u53ef\u9760\u6027\u548c\u7cbe\u786e\u540c\u6b65\u7684\u573a\u666f\uff0c\u9690\u6027\u6a21\u5f0f\u9002\u7528\u4e8e\u5bf9\u4f20\u8f93\u65f6\u95f4\u8981\u6c42\u9ad8\u4e14\u6570\u636e\u5305\u957f\u5ea6\u56fa\u5b9a\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u663e\u6027\u6a21\u5f0f\u548c\u9690\u6027\u6a21\u5f0f\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u9009\u62e9\u54ea\u79cd\u6a21\u5f0f\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u5728\u9700\u8981\u9ad8\u53ef\u9760\u6027\u548c\u7cbe\u786e\u540c\u6b65\u7684\u573a\u666f\u4e2d\uff0c\u663e\u6027\u6a21\u5f0f\u66f4\u4e3a\u9002\u7528;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRa\u6570\u636e\u5e27\u4e2dCRC\u6821\u9a8c\u7801\u7684\u751f\u6210\u548c\u68c0\u6d4b\u8fc7\u7a0b\u8be6\u7ec6\u662f\u5982\u4f55\u5b9e\u73b0\u7684?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6570\u636e\u5e27\u4e2dCRC\u6821\u9a8c\u7801\u7684\u751f\u6210\u548c\u68c0\u6d4b\u8fc7\u7a0b\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u8be6\u7ec6\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. 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