{"id":99306,"date":"2024-11-17T19:04:31","date_gmt":"2024-11-17T11:04:31","guid":{"rendered":"\/\/www.viralrail.com\/?p=99306"},"modified":"2024-11-17T19:04:35","modified_gmt":"2024-11-17T11:04:35","slug":"llpgrjjfa","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99306.html","title":{"rendered":"LoRa\u90bb\u9891\u5e72\u6270\u89e3\u51b3\u65b9\u6848"},"content":{"rendered":"\n<p>\u3000\u3000<strong>LoRa\u90bb\u9891\u5e72\u6270\u7684\u89e3\u51b3\u65b9\u6848<\/strong>\u53ef\u4ee5\u4ece\u591a\u4e2a\u65b9\u9762\u8fdb\u884c\u8003\u8651\u548c\u5b9e\u65bd\uff0c\u4ee5\u63d0\u9ad8\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u6709\u6548\u7684\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u90bb\u9891\u5e72\u6270\u89e3\u51b3\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u9891\u7387\u89c4\u5212\u4e0e\u4fe1\u9053\u7ba1\u7406<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5408\u7406\u89c4\u5212\u9891\u6bb5\u548c\u4fe1\u9053\uff0c\u907f\u514d\u4e0e\u5468\u56f4\u73af\u5883\u4e2d\u7684\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u5728\u540c\u4e00\u9891\u6bb5\u4e0a\u5de5\u4f5c\uff0c\u4ece\u800c\u51cf\u5c11\u9891\u8c31\u51b2\u7a81\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u8df3\u9891\u6280\u672f\uff0c\u5728\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u52a8\u6001\u5207\u6362\u9891\u7387\uff0c\u4ee5\u907f\u514d\u90bb\u9891\u5e72\u6270\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u6269\u9891\u6280\u672f<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u91c7\u7528\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u901a\u8fc7\u5c06\u4fe1\u53f7\u6269\u5c55\u5230\u66f4\u5bbd\u7684\u9891\u5e26\u5185\uff0c\u4ece\u800c\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u9ad8\u5e72\u6270\u73af\u5883\u4e2d\uff0c\u9009\u62e9\u8f83\u9ad8\u7684\u6269\u9891\u56e0\u5b50(SF)\uff0c\u53ef\u4ee5\u589e\u5f3a\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5c3d\u7ba1\u8fd9\u53ef\u80fd\u4f1a\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u4fe1\u9053\u68c0\u6d4b\u4e0e\u9009\u62e9<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u6bcf\u4e2a\u901a\u4fe1\u5468\u671f\u5f00\u59cb\u65f6\u8fdb\u884c\u4fe1\u9053\u68c0\u6d4b\uff0c\u5224\u65ad\u662f\u5426\u5b58\u5728\u5e72\u6270\u4fe1\u53f7\u3002\u5982\u679c\u68c0\u6d4b\u5230\u5e72\u6270\u4fe1\u53f7\uff0c\u6a21\u5757\u4f1a\u81ea\u52a8\u5207\u6362\u5230\u5e72\u6270\u8f83\u5c0f\u7684\u4fe1\u9053\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u4fe1\u9053\u5360\u7528\u68c0\u6d4b(CAD)\u6280\u672f\uff0c\u901a\u8fc7\u68c0\u6d4b\u65e0\u7ebf\u4fe1\u9053\u4e0a\u7684\u524d\u5bfc\u7801\u6765\u5224\u65ad\u4fe1\u9053\u662f\u5426\u7a7a\u95f2\uff0c\u4ece\u800c\u907f\u514d\u5e72\u6270\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u4f18\u5316\u8bbe\u5907\u5e03\u5c40<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u589e\u52a0\u8bbe\u5907\u95f4\u7684\u8ddd\u79bb\uff0c\u907f\u514d\u8bbe\u5907\u8fc7\u4e8e\u5bc6\u96c6\uff0c\u51cf\u5c11\u90bb\u8fd1\u8bbe\u5907\u7684\u4fe1\u53f7\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u5c4f\u853d\u6750\u6599\uff0c\u5982\u91d1\u5c5e\u5c4f\u853d\u7f69\u6216\u5c4f\u853d\u5899\uff0c\u51cf\u5c11\u4fe1\u53f7\u5e72\u6270\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005.&nbsp;<strong>\u63a7\u5236\u53d1\u5c04\u529f\u7387<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u7cbe\u786e\u63a7\u5236LoRa\u53d1\u5c04\u529f\u7387\uff0c\u4ee5\u51cf\u5c11\u5185\u90e8\u5e72\u6270\uff0c\u5e76\u6539\u5584\u6574\u4f53\u901a\u4fe1\u8d28\u91cf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30006.&nbsp;<strong>\u524d\u5411\u7ea0\u9519\u7f16\u7801\u548c\u4ea4\u7ec7\u6280\u672f<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u524d\u5411\u7ea0\u9519(FEC)\u548c\u4ea4\u7ec7\u6280\u672f\uff0c\u5728\u4fe1\u606f\u4e2d\u5f15\u5165\u5197\u4f59\u4fe1\u606f\uff0c\u6709\u6548\u4fee\u6b63\u635f\u574f\u7684\u6570\u636e\u4f4d\uff0c\u63d0\u9ad8\u901a\u4fe1\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30007.&nbsp;<strong>\u4e3b\u673a\u8f6e\u8be2\u65b9\u5f0f<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u4e3b\u673a\u9010\u4e2a\u8f6e\u8be2\u4ece\u673a\uff0c\u786e\u4fdd\u53ea\u6709\u7279\u5b9a\u7684\u4ece\u673a\u54cd\u5e94\uff0c\u4ece\u800c\u51cf\u5c11\u540c\u9891\u5e72\u6270\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30008.&nbsp;<strong>\u4f18\u5316\u5929\u7ebf\u8bbe\u8ba1<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u9009\u62e9\u5408\u9002\u7684\u5929\u7ebf\uff0c\u4ee5\u66f4\u597d\u5730\u63a5\u6536\u4fe1\u53f7\uff0c\u51cf\u5c11\u7531\u4e8e\u4fe1\u53f7\u5f31\u5bfc\u81f4\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u4ee5\u4e0a\u591a\u79cd\u624b\u6bb5\u7684\u7efc\u5408\u5e94\u7528\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u51b3LoRa\u90bb\u9891\u5e72\u6270\u95ee\u9898\uff0c\u63d0\u9ad8\u901a\u4fe1\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"726\" height=\"450\" src=\"\/\/www.viralrail.com\/wp-content\/uploads\/2023\/11\/gclpwan20231116.jpg\" alt=\"lora\u65e0\u7ebf\u6280\u672f\" class=\"wp-image-65264\" srcset=\"\/\/www.viralrail.com\/wp-content\/uploads\/2023\/11\/gclpwan20231116.jpg 726w, \/\/www.viralrail.com\/wp-content\/uploads\/2023\/11\/gclpwan20231116-300x186.jpg 300w, \/\/www.viralrail.com\/wp-content\/uploads\/2023\/11\/gclpwan20231116-600x372.jpg 600w\" sizes=\"(max-width: 726px) 100vw, 726px\" \/><figcaption class=\"wp-element-caption\">lora\u65e0\u7ebf\u6280\u672f<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u8df3\u9891\u6280\u672f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6548\u679c\u548c\u9650\u5236\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u8df3\u9891\u6280\u672f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u8868\u73b0\u51fa\u663e\u8457\u7684\u4f18\u52bf\u548c\u4e00\u4e9b\u9650\u5236\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u6548\u679c<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u957f\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1aLoRa\u6280\u672f\u57fa\u4e8e\u7ebf\u6027\u8c03\u9891\u6269\u9891\u8c03\u5236\uff0c\u5177\u6709\u51fa\u8272\u7684\u957f\u8ddd\u79bb\u4f20\u8f93\u80fd\u529b\u3002\u7406\u8bba\u4e0a\uff0c\u4f4e\u7801\u7387\u4f20\u8f93\u53ef\u4ee5\u8fbe\u523015\u516c\u91cc\u7684\u8ddd\u79bb\uff0c\u4f46\u5728\u5b9e\u9645\u5de5\u7a0b\u5e94\u7528\u4e2d\u901a\u5e38\u53ea\u80fd\u8fbe\u5230\u7ea65\u516c\u91cc\u3002\u8fd9\u5f97\u76ca\u4e8e\u5176Chirp Spread Spectrum(CSS)\u8c03\u5236\u7279\u6027\uff0c\u4f7f\u5176\u5728\u57ce\u5e02\u548c\u90ca\u533a\u7b49\u590d\u6742\u73af\u5883\u4e2d\u8868\u73b0\u51fa\u8272\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1aLoRa\u4fe1\u53f7\u7684\u5f02\u6b65\u7279\u6027\u548c\u9ad8\u5e26\u5bbd\u4f7f\u5176\u5bf9\u5e26\u5185\u6216\u5e26\u5916\u7684\u5e72\u6270\u673a\u5236\u5177\u6709\u66f4\u597d\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002CSS\u8c03\u5236\u901a\u8fc7\u5728\u9891\u8c31\u4e2d\u5e7f\u6cdb\u6269\u6563chirps\uff0c\u51cf\u8f7b\u4e86\u57ce\u5e02\u548c\u90ca\u533a\u5e38\u89c1\u7684\u8870\u843d\u548c\u591a\u5f84\u6548\u5e94\u7684\u5f71\u54cd\u3002\u6b64\u5916\uff0cLoRa\u8c03\u5236\u76f8\u6bd4FSK\u8c03\u5236\u7cfb\u7edf\uff0c\u5bf9\u8109\u51b2\u8c03\u5e45\u5e72\u6270\u5177\u6709\u66f4\u597d\u7684\u514d\u75ab\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f4e\u529f\u8017\u548c\u4f4e\u6210\u672c<\/strong>\uff1aLoRa\u6280\u672f\u4fdd\u6301\u4e86\u50cfFSK\u8c03\u5236\u4e00\u6837\u7684\u4f4e\u529f\u8017\u7279\u6027\uff0c\u540c\u65f6\u663e\u8457\u589e\u52a0\u4e86\u901a\u4fe1\u8ddd\u79bb\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97LoRa\u975e\u5e38\u9002\u5408\u9700\u8981\u957f\u65f6\u95f4\u8fd0\u884c\u4e14\u6bcf\u5929\u4ec5\u4f20\u8f93\u5c11\u91cf\u6570\u636e\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u667a\u80fd\u57ce\u5e02\u8bbe\u5907\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9c81\u68d2\u6027<\/strong>\uff1aLoRa\u8c03\u5236\u5bf9\u591a\u666e\u52d2\u6548\u5e94\u7684\u654f\u611f\u6027\u6781\u4f4e\uff0c\u4f7f\u5176\u9002\u7528\u4e8e\u6d89\u53ca\u79fb\u52a8\u76ee\u6807\u7684\u5e94\u7528\u3002\u6b64\u5916\uff0cLoRa\u7684\u6297\u9891\u8c31\u5e72\u6270\u80fd\u529b\u3001\u5bf9\u8870\u843d\u548c\u591a\u5f84\u6548\u5e94\u7684\u65e0\u611f\u77e5\u80fd\u529b\uff0c\u4f7f\u5176\u94fe\u8def\u9884\u7b97\u8d85\u8d8a\u4f20\u7edfFSK\u7cfb\u7edf\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u63d0\u9ad8\u56db\u500d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u9650\u5236<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u5b9e\u9645\u901a\u4fe1\u8ddd\u79bb\u77ed\u4e8e\u7406\u8bba\u503c<\/strong>\uff1a\u5c3d\u7ba1LoRa\u7406\u8bba\u4e0a\u5177\u6709\u8f83\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7531\u4e8e\u73af\u5883\u56e0\u7d20(\u5982\u5efa\u7b51\u7269\u906e\u6321\u3001\u5929\u6c14\u6761\u4ef6\u7b49)\uff0c\u5b9e\u9645\u901a\u4fe1\u8ddd\u79bb\u5f80\u5f80\u77ed\u4e8e\u7406\u8bba\u503c\u3002\u4f8b\u5982\uff0c\u5728\u68ee\u6797\u519c\u573a\u7684\u5b9e\u5730\u6d4b\u91cf\u4e2d\u53d1\u73b0\uff0c\u5b9e\u9645\u901a\u4fe1\u8ddd\u79bb\u77ed\u4e8e\u7406\u8bba\u503c\uff0c\u5e76\u4e14\u4e0d\u540c\u8ddd\u79bb\u548c\u7269\u7406\u5c42\u53c2\u6570\u914d\u7f6e\u4e0b\u6570\u636e\u53ef\u9760\u6027\u4e0d\u4e00\u81f4\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4fe1\u53f7\u53ef\u9760\u6027\u95ee\u9898<\/strong>\uff1a\u5728\u4e0d\u540c\u5efa\u7b51\u73af\u5883\u4e2d\uff0c\u4fe1\u53f7\u53ef\u9760\u6027\u53d7\u5230\u9650\u5236\u3002\u4f8b\u5982\uff0c\u5728\u5ba4\u5185\u969c\u788d\u7269(\u5982\u73bb\u7483\u95e8)\u906e\u6321\u4e0b\uff0c\u968f\u7740\u8ddd\u79bb\u7684\u589e\u52a0\uff0cRSSI\u503c\u4f1a\u663e\u8457\u8870\u51cf\u3002\u6b64\u5916\uff0c\u5b9e\u9a8c\u8868\u660e\u4fe1\u53f7\u53ef\u9760\u6027\u5728\u4e0d\u540c\u5efa\u7b51\u73af\u5883\u4e2d\u7684\u5b9e\u9645\u8003\u91cf\u9650\u5236\u4e86LoRa\u7684\u5b9e\u9645\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6570\u636e\u901f\u7387\u548c\u9891\u8c31\u6548\u7387<\/strong>\uff1a\u5c3d\u7ba1LoRa\u5177\u6709\u51fa\u8272\u7684\u957f\u8ddd\u79bb\u548c\u4f4e\u529f\u8017\u7279\u6027\uff0c\u4f46\u5176\u53ef\u5b9e\u73b0\u6bd4\u7279\u7387\u548c\u9891\u8c31\u6548\u7387\u76f8\u5bf9\u8f83\u4f4e\uff0c\u8fd9\u53ef\u80fd\u662f\u4e00\u4e2a\u9650\u5236\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u6cd5\u5f8b\u6cd5\u89c4\u548c\u5b9e\u9645\u4f7f\u7528\u9650\u5236\uff0cLoRa\u5728\u5317\u7f8e\u7684\u6700\u5927\u6570\u636e\u901f\u7387\u4ec5\u4e3a27 kbps\uff0c\u8fdc\u4f4e\u4e8e\u5176\u7406\u8bba\u6700\u5927\u503c\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e72\u6270\u95ee\u9898<\/strong>\uff1a\u968f\u7740\u7269\u8054\u7f51\u5728\u57ce\u5e02\u548c\u90ca\u533a\u7684\u90e8\u7f72\u589e\u52a0\uff0cLoRa\u8282\u70b9\u5c06\u9762\u4e34\u9ad8\u5e72\u6270\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u4e0d\u540cSF\u503c\u5185\u7684\u4fe1\u9053\u6b63\u4ea4\u6027\u8bc4\u4f30\u663e\u793a\uff0c\u5728\u9ad8\u5e72\u6270\u573a\u666f\u4e0b\uff0cLoRa\u4ecd\u80fd\u63d0\u4f9b\u7a33\u5065\u7684\u901a\u4fe1\u94fe\u8def\uff0c\u4f46\u5e72\u6270\u95ee\u9898\u4ecd\u7136\u5b58\u5728\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6cd5\u5f8b\u6cd5\u89c4\u548c\u5b9e\u9645\u4f7f\u7528\u9650\u5236<\/strong>\uff1aLoRa\u7684\u4f7f\u7528\u53d7\u5230\u7f51\u7edc\u8fd0\u8425\u5546\u89c4\u5219\u548c\u6307\u5bfc\u65b9\u9488\u7684\u7ea6\u675f\u3002\u4f8b\u5982\uff0cTTN\u5efa\u8bae\u6bcf\u5929\u9650\u5236\u4e0b\u884c\u6d88\u606f\u6570\u91cf\u4e3a10\u6761\uff0c\u6700\u5927\u6709\u6548\u8d1f\u8f7d\u4e3a12\u5b57\u8282\uff0c\u8fd9\u5bfc\u81f4\u5b9e\u9645\u6570\u636e\u901f\u7387\u975e\u5e38\u4f4e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5982\u4f55\u7cbe\u786e\u63a7\u5236LoRa\u53d1\u5c04\u529f\u7387\u4ee5\u51cf\u5c11\u5185\u90e8\u5e72\u6270?<\/h2>\n\n\n\n<p>\u3000\u3000\u8981\u7cbe\u786e\u63a7\u5236LoRa\u53d1\u5c04\u529f\u7387\u4ee5\u51cf\u5c11\u5185\u90e8\u5e72\u6270\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f7f\u7528\u4fe1\u9053\u68c0\u6d4b\u529f\u80fd\uff08CAD\uff09\u548c\u8df3\u9891\u529f\u80fd<\/strong>\uff1aLoRa\u82af\u7247\u901a\u5e38\u5185\u7f6e\u4fe1\u9053\u68c0\u6d4b\u529f\u80fd(CAD)\uff0c\u53ef\u4ee5\u5728\u53d1\u5c04\u524d\u8fdb\u884c\u4fe1\u9053\u68c0\u6d4b\uff0c\u4ee5\u907f\u514d\u5728\u9ad8\u5e72\u6270\u4fe1\u9053\u4e0a\u53d1\u9001\u4fe1\u53f7\u3002\u6b64\u5916\uff0cLoRa\u82af\u7247\u8fd8\u5177\u6709\u8df3\u9891\u529f\u80fd\uff0c\u53ef\u4ee5\u901a\u8fc7\u8df3\u9891\u7684\u65b9\u5f0f\u8fdb\u884c\u5e72\u6270\u89c4\u907f\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8c03\u6574\u53d1\u5c04\u529f\u7387\u548c\u6570\u636e\u901f\u7387<\/strong>\uff1a\u901a\u8fc7\u8c03\u6574LoRa\u7684\u53d1\u5c04\u529f\u7387\u548c\u6570\u636e\u901f\u7387\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u5185\u90e8\u5e72\u6270\u3002\u4f8b\u5982\uff0c\u589e\u52a0\u6269\u5c55\u56e0\u5b50(SF)\u53ef\u4ee5\u5ef6\u957f\u7b26\u53f7\u6301\u7eed\u65f6\u95f4\uff0c\u4ece\u800c\u964d\u4f4e\u6570\u636e\u901f\u7387\uff0c\u4f46\u540c\u65f6\u4e5f\u80fd\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u3002\u6b64\u5916\uff0c\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387(ADR)\u7b56\u7565\u53ef\u4ee5\u6839\u636e\u7f51\u7edc\u6761\u4ef6\u52a8\u6001\u8c03\u6574\u6bcf\u4e2a\u7ec8\u7aef\u8282\u70b9\u7684\u6269\u5c55\u56e0\u5b50\u548c\u6570\u636e\u901f\u7387\uff0c\u4ece\u800c\u4f18\u5316\u529f\u8017\u548c\u51cf\u5c11\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8bbe\u7f6e\u5408\u7406\u7684\u9891\u7387\u95f4\u9694<\/strong>\uff1a\u5728\u591a\u4e2a\u901a\u9053\u5de5\u4f5c\u65f6\uff0c\u5e94\u907f\u514d\u8bbe\u7f6e\u76f8\u540c\u7684\u9891\u7387\u6216\u76f8\u8fd1\u7684\u9891\u7387\u95f4\u9694\uff0c\u4ee5\u9632\u6b62\u5e72\u6270\u3002\u5efa\u8bae\u7f51\u5173\u7684\u4e24\u4e2a\u901a\u9053\u5de5\u4f5c\u5728\u4e0d\u540c\u7684\u901f\u7387\u548c\u9891\u7387\u4e0b\uff0c\u82e5\u5728\u540c\u4e00\u901f\u7387\u4e0b\u5de5\u4f5c\uff0c\u5219\u9891\u7387\u95f4\u9694\u5e94\u8bbe\u7f6e\u57285000KHz\u4ee5\u4e0a\uff0c\u5e76\u907f\u514d\u9891\u7387\u95f4\u9694\u4e3a32\u7684\u6574\u500d\u6570\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5229\u7528\u57fa\u4e8eChirp\u8c03\u5236\u7684\u4f30\u8ba1\u65b9\u6cd5<\/strong>\uff1a\u901a\u8fc7\u57fa\u4e8eChirp\u8c03\u5236\u7684\u4f30\u8ba1\u65b9\u6cd5\uff0c\u53ef\u4ee5\u51c6\u786e\u4f30\u8ba1LoRa\u4fe1\u53f7\u7684\u671f\u671b\u529f\u7387\u3001\u4e92\u5e72\u6270\u529f\u7387\u548c\u4fe1\u9053\u5360\u7528\u7387(COR)\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u786e\u5b9a\u4f20\u611f\u5668\u662f\u5426\u5e94\u8be5\u4f7f\u7528\u67d0\u4e2a\u4fe1\u9053\uff0c\u4ece\u800c\u51cf\u5c11\u5171\u4fe1\u9053\u5e72\u6270(CCI)\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u91c7\u7528\u524d\u5411\u7ea0\u9519\uff08FEC\uff09\u6280\u672f<\/strong>\uff1a\u5f00\u542f\u524d\u5411\u7ea0\u9519\u529f\u80fd\u53ef\u4ee5\u63d0\u9ad8\u94fe\u8def\u53ef\u9760\u6027\uff0c\u5c3d\u7ba1\u8fd9\u4f1a\u589e\u52a0\u4f20\u8f93\u65f6\u95f4\u3002FEC\u6280\u672f\u80fd\u591f\u7ea0\u6b63\u7531\u4e8e\u7a84\u5e26\u5e72\u6270\u5f15\u8d77\u7684\u9519\u8bef\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u63a7\u5236\u53d1\u5c04\u529f\u7387\u8303\u56f4<\/strong>\uff1a\u5728\u8bbe\u7f6eLoRa\u6a21\u5757\u7684\u53d1\u5c04\u529f\u7387\u65f6\uff0c\u9700\u6ce8\u610fPA\u8f93\u5165\u529f\u7387\u7684\u9650\u5236\uff0c\u4e0d\u80fd\u8d85\u8fc7\u5176\u9650\u5236\u8303\u56f4\u3002\u4f8b\u5982\uff0c\u5728SX1278\u6a21\u5757\u4e2d\uff0c\u8f93\u51fa\u529f\u7387\u5bc4\u5b58\u5668\u503c\u4e0d\u53ef\u8d85\u8fc710.\u63a8\u8350\u503c\u4e3a8.\u540c\u65f6\u9700\u5173\u95ed20dBm\u529f\u7387\u8f93\u51fa\u5bc4\u5b58\u5668\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRa\u4fe1\u9053\u5360\u7528\u68c0\u6d4b(CAD)\u6280\u672f\u7684\u5177\u4f53\u5b9e\u73b0\u65b9\u6cd5\u548c\u6548\u7387\u5982\u4f55?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u4fe1\u9053\u5360\u7528\u68c0\u6d4b(CAD)\u6280\u672f\u662f\u4e00\u79cd\u7528\u4e8e\u68c0\u6d4b\u65e0\u7ebf\u4fe1\u9053\u4e0aLoRa\u524d\u5bfc\u7801\u7684\u5b58\u5728\uff0c\u4ece\u800c\u907f\u514d\u5728\u4fe1\u9053\u7e41\u5fd9\u65f6\u53d1\u9001\u6570\u636e\u5305\u7684\u6280\u672f\u3002CAD\u7684\u5177\u4f53\u5b9e\u73b0\u65b9\u6cd5\u548c\u6548\u7387\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u5b9e\u73b0\u65b9\u6cd5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5feb\u901f\u626b\u63cf\u9891\u6bb5<\/strong>\uff1a\u5728\u8fdb\u5165CAD\u6a21\u5f0f\u65f6\uff0cLoRa\u8bbe\u5907\u5982SX1276\/77\/78\/79\u4f1a\u5feb\u901f\u626b\u63cf\u9891\u6bb5\u4ee5\u68c0\u6d4bLoRa\u6570\u636e\u5305\u7684\u524d\u5bfc\u7801\u3002\u8fd9\u4e00\u8fc7\u7a0b\u5305\u62ecPLL\u9501\u5b9a\u3001\u63a5\u6536LoRa\u524d\u5bfc\u7801\u7b26\u53f7\u5e76\u6d88\u8017\u6307\u5b9a\u7684\u63a5\u6536\u6a21\u5f0f\u7535\u6d41\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u76f8\u5173\u6027\u8ba1\u7b97<\/strong>\uff1a\u4e00\u65e6\u6355\u83b7\u5230\u524d\u5bfc\u7801\u7b26\u53f7\uff0c\u8bbe\u5907\u4f1a\u5173\u95ed\u65e0\u7ebf\u63a5\u6536\u5668\u548cPLL\uff0c\u5e76\u5f00\u59cb\u6570\u5b57\u5904\u7406\u3002\u5728\u6b64\u9636\u6bb5\uff0c\u8bbe\u5907\u641c\u7d22\u6355\u83b7\u7684\u6837\u672c\u4e0e\u7406\u60f3\u524d\u5bfc\u7801\u6ce2\u5f62\u4e4b\u95f4\u7684\u5173\u8054\u5173\u7cfb\u3002\u6b64\u76f8\u5173\u6027\u8fc7\u7a0b\u8017\u65f6\u7565\u5c11\u4e8e\u4e00\u4e2a\u7b26\u53f7\u5468\u671f\uff0c\u4ece\u800c\u51cf\u5c11\u4e86\u65e0\u7ebf\u7535\u7535\u6d41\u6d88\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4e2d\u65ad\u751f\u6210<\/strong>\uff1a\u5982\u679c\u76f8\u5173\u6027\u6210\u529f\uff0c\u8c03\u5236\u89e3\u8c03\u5668\u4f1a\u751f\u6210CadDone\u4e2d\u65ad\uff0c\u540c\u65f6\u751f\u6210CadDetected\u4e2d\u65ad\u3002\u82af\u7247\u8fd4\u56de\u5f85\u673a\u6a21\u5f0f\uff0c\u5982\u679c\u68c0\u6d4b\u5230\u524d\u5bfc\u7801\uff0c\u5219\u6e05\u9664\u4e2d\u65ad\u5e76\u901a\u8fc7\u5c06\u65e0\u7ebf\u7535\u8bbe\u7f6e\u4e3aRX\u5355\u6b21\u6a21\u5f0f\u6216RX\u8fde\u7eed\u6a21\u5f0f\u6765\u542f\u52a8\u63a5\u6536\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>SF\u9009\u62e9\u6027<\/strong>\uff1aCAD\u5177\u6709SF\u9009\u62e9\u6027\uff0c\u4ec5\u68c0\u6d4b\u6307\u5b9aSF\u5185\u7684\u4f20\u8f93\uff0c\u5bf9\u4e0d\u540cSF\u5185\u7684\u5176\u4ed6\u4f20\u8f93\u4e0d\u654f\u611f\u3002\u8fd9\u610f\u5473\u7740CAD\u80fd\u591f\u533a\u5206\u4e0d\u540c\u5b50\u5e27(SF)\u7684\u4fe1\u53f7\uff0c\u907f\u514d\u8bef\u5224\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u6548\u7387\u5206\u6790<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u68c0\u6d4b\u65f6\u95f4<\/strong>\uff1aCAD\u7684\u68c0\u6d4b\u65f6\u95f4\u53d6\u51b3\u4e8e\u4f7f\u7528\u7684LoRa\u8c03\u5236\u8bbe\u7f6e\u3002\u5178\u578bCAD\u68c0\u6d4b\u65f6\u957f\u4e3aLoRa\u7b26\u53f7\u5468\u671f\u7684\u500d\u6570\uff0c\u4f8b\u5982\uff0c\u5bf9\u4e8eSF12\u914d\u7f6e\uff0cCAD\u6301\u7eed\u65f6\u95f4\u4e3aTsym + 32 * BW ms\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4f7f\u5f97CAD\u80fd\u591f\u5728\u8f83\u77ed\u7684\u65f6\u95f4\u5185\u5b8c\u6210\u68c0\u6d4b\uff0c\u5e76\u4e14\u5728\u68c0\u6d4b\u5b8c\u6210\u540e\u8fc5\u901f\u8fdb\u5165\u4f4e\u529f\u8017\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u80fd\u91cf\u6548\u7387<\/strong>\uff1aCAD\u6bd4\u6570\u636e\u4f20\u8f93\u66f4\u8282\u80fd\u3002\u5b9e\u9a8c\u8868\u660e\uff0cCAD\u5728\u7a7a\u95f2\u548c\u4f20\u8f93\u72b6\u6001\u4e0b\u7684\u7535\u6d41\u6d88\u8017\u5206\u522b\u4e3a0.03 W\u548c0.029 mJ\uff0c\u8fdc\u4f4e\u4e8e\u4f20\u8f93\u529f\u7387\u3002\u6b64\u5916\uff0cCAD\u5728\u5ba4\u5185\u548c\u5ba4\u5916\u73af\u5883\u4e0b\u7684\u5e73\u5747\u6548\u7387\u5206\u522b\u4e3a98%\u548c94%\uff0cSNR\u8303\u56f4\u5728-15 dB\u81f3+15 dB\u4e4b\u95f4\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u53ef\u9760\u6027<\/strong>\uff1aCAD\u662f\u4e00\u79cd\u6709\u6548\u4e14\u53ef\u9760\u7684\u8f7d\u6ce2\u611f\u77e5\u65b9\u6cd5\uff0c\u80fd\u591f\u5728\u7406\u60f3\u5bf9\u9f50\u3001\u65f6\u95f4\u504f\u79fb\u4ee5\u53ca\u4e0d\u540cSF\u4e4b\u95f4\u7684\u5bf9\u9f50\u60c5\u51b5\u4e0b\u6210\u529f\u68c0\u6d4b\u5230\u4fe1\u53f7\u3002CAD\u4e25\u683c\u9075\u5b88\u6307\u5b9a\u7684SF\uff0c\u4e0d\u4f1a\u56e0\u5176\u4ed6SF\u7684\u4f20\u8f93\u800c\u4ea7\u751f\u8bef\u62a5\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f18\u5316\u534f\u8bae<\/strong>\uff1aFT-CSMA\u534f\u8bae\u901a\u8fc7\u4f18\u5316CAD\u7f16\u53f7\u3001\u786e\u5b9a\u9002\u5f53\u7684CAD\u6301\u7eed\u65f6\u95f4\u548c\u5f15\u5165\u56de\u9000\u5ef6\u8fdf\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u4e86CAD\u7684\u53ef\u9760\u6027\u548c\u6548\u7387\u3002\u7814\u7a76\u8868\u660e\uff0cFT-CSMA\u5728Packet Delivery Ratio(PDR)\u4e0a\u63d0\u9ad8\u4e86\u7ea65%\uff0c\u80fd\u91cf\u6548\u7387\u63d0\u5347\u4e86\u9ad8\u8fbe2%\uff0c\u540c\u65f6\u4e0d\u663e\u8457\u964d\u4f4e\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000LoRa\u4fe1\u9053\u5360\u7528\u68c0\u6d4b(CAD)\u6280\u672f\u901a\u8fc7\u5feb\u901f\u626b\u63cf\u9891\u6bb5\u3001\u76f8\u5173\u6027\u8ba1\u7b97\u548c\u4e2d\u65ad\u751f\u6210\u7b49\u6b65\u9aa4\u9ad8\u6548\u5730\u68c0\u6d4b\u4fe1\u9053\u4e0a\u7684LoRa\u524d\u5bfc\u7801\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 \u5728\u9ad8\u5e72\u6270\u73af\u5883\u4e2d\uff0c\u9009\u62e9\u4f55\u79cd\u6269\u9891\u56e0\u5b50(SF)\u6700\u80fd\u5e73\u8861\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u6297\u5e72\u6270\u80fd\u529b?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u9ad8\u5e72\u6270\u73af\u5883\u4e2d\uff0c\u9009\u62e9\u6269\u9891\u56e0\u5b50(SF)\u4ee5\u5e73\u8861\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u6297\u5e72\u6270\u80fd\u529b\u662f\u4e00\u4e2a\u590d\u6742\u7684\u95ee\u9898\u3002\u6211\u4eec\u53ef\u4ee5\u5f97\u51fa\u4ee5\u4e0b\u7ed3\u8bba\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>SF\u503c\u7684\u9009\u62e9\u5bf9\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u4fe1\u53f7\u8303\u56f4\u6709\u663e\u8457\u5f71\u54cd<\/strong>\uff1a\u8f83\u5c0f\u7684SF\u503c(\u5982SF7)\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4f46\u4f1a\u7f29\u77ed\u4fe1\u53f7\u8303\u56f4\u5e76\u589e\u52a0\u5bf9\u566a\u58f0\u548c\u5e72\u6270\u7684\u654f\u611f\u6027\u3002\u8f83\u5927\u7684SF\u503c(\u5982SF12)\u5219\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4f46\u80fd\u63d0\u4f9b\u66f4\u8fdc\u7684\u4fe1\u53f7\u8303\u56f4\u548c\u66f4\u597d\u7684\u4fe1\u53f7\u8d28\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>SF\u503c\u5bf9\u7f51\u7edc\u6027\u80fd\u7684\u5f71\u54cd<\/strong>\uff1a\u5728LoRaWAN\u7f51\u7edc\u4e2d\uff0cSF\u7684\u9009\u62e9\u4e0d\u4ec5\u5f71\u54cd\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u8fd8\u5f71\u54cd\u7535\u6c60\u5bff\u547d\u548c\u7a7a\u4e2d\u65f6\u95f4(ToA)\u3002\u4f8b\u5982\uff0c\u4f7f\u7528SF7\u81f3SF10\u7684\u914d\u7f6e\u53ef\u4f7f\u7535\u6c60\u5bff\u547d\u957f\u8fbe\u4e00\u5e74\uff0c\u800cSF12\u548cSF11\u7684\u7535\u6c60\u5bff\u547d\u5219\u57280.5\u81f30.8\u5e74\u4e4b\u95f4\u3002\u6b64\u5916\uff0c\u589e\u52a0SF\u503c\u4f1a\u5ef6\u957fToA\uff0c\u5bfc\u81f4\u66f4\u9ad8\u7684\u80fd\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e72\u6270\u7ba1\u7406\u4e0eSF\u9009\u62e9<\/strong>\uff1a\u5728LPWAN\u7f51\u7edc\u4e2d\uff0c\u9009\u62e9\u6700\u4f73SF\u9700\u8981\u8003\u8651\u5e72\u6270\u7ba1\u7406\u3002\u9ad8SINR\u8981\u6c42\u4f4e\u5e72\u6270\u529f\u7387\u548c\u9ad8\u4fe1\u53f7\u529f\u7387\uff0c\u800c\u4f4e\u80fd\u8017\u5219\u9700\u8981\u4f4e\u4fe1\u53f7\u529f\u7387\u3002\u968f\u7740\u7f51\u7edc\u89c4\u6a21\u7684\u589e\u52a0\uff0c\u5177\u6709\u76f8\u540cSF\u7684\u8bbe\u5907\u6570\u91cf\u589e\u52a0\uff0c\u6210\u529f\u4f20\u8f93\u7684\u6982\u7387\u4e0b\u964d\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u81c2\u8001\u864e\u673a\u7b97\u6cd5\uff08MAB\uff09\u7684\u5e94\u7528<\/strong>\uff1a\u901a\u8fc7\u4f7f\u7528\u591a\u81c2\u8001\u864e\u673a\u7b97\u6cd5\u9009\u62e9SF\uff0c\u53ef\u4ee5\u5728\u4f18\u5316\u4fe1\u53f7\u4f20\u8f93\u548c\u51cf\u5c11\u5e72\u6270\u7684\u540c\u65f6\u5e73\u8861\u80fd\u91cf\u6548\u7387\u548c\u5e72\u6270\u907f\u514d\u4e4b\u95f4\u7684\u6743\u8861\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b9e\u9a8c\u7ed3\u679c\u4e0eSF\u9009\u62e9<\/strong>\uff1a\u5b9e\u9a8c\u8868\u660e\uff0c\u5728\u5f3a\u5e72\u6270\u73af\u5883\u4e0b\uff0c\u8f83\u5927\u7684\u6536\u53d1\u95f4\u9694\u53ef\u4ee5\u5728\u4e00\u5b9a\u8ddd\u79bb\u5185\u5b9e\u73b0\u826f\u597d\u7684\u901a\u4fe1\u8d28\u91cf\u3002\u6b64\u5916\uff0c\u9009\u62e9\u8f83\u5c0f\u7684\u5355\u4e2aSF(\u5982SF7\u5230SF9)\u6bd4\u8f83\u5927\u7684SF\u66f4\u6709\u5229\u4e8e\u7cfb\u7edf\u6027\u80fd\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u5bc6\u5ea6\u7f51\u5173\u7684\u60c5\u51b5\u4e0b\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u5728\u9ad8\u5e72\u6270\u73af\u5883\u4e2d\uff0c\u9009\u62e9\u8f83\u5c0f\u7684SF\u503c(\u5982SF7\u5230SF9)\u53ef\u80fd\u662f\u4e00\u4e2a\u8f83\u597d\u7684\u5e73\u8861\u70b9\u3002\u8fd9\u4e9bSF\u503c\u80fd\u591f\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u5e76\u4e14\u5728\u5f3a\u5e72\u6270\u73af\u5883\u4e0b\u4ecd\u80fd\u4fdd\u6301\u8f83\u597d\u7684\u901a\u4fe1\u8d28\u91cf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u516d\u3001 LoRa\u5929\u7ebf\u8bbe\u8ba1\u4e2d\uff0c\u54ea\u4e9b\u56e0\u7d20\u5bf9\u51cf\u5c11\u4fe1\u53f7\u5e72\u6270\u6700\u4e3a\u5173\u952e?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728LoRa\u5929\u7ebf\u8bbe\u8ba1\u4e2d\uff0c\u51cf\u5c11\u4fe1\u53f7\u5e72\u6270\u7684\u5173\u952e\u56e0\u7d20\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6269\u9891\u56e0\u5b50\uff08SF\uff09<\/strong>&nbsp;\uff1a\u6269\u9891\u56e0\u5b50\u662f\u5f71\u54cd\u4fe1\u53f7\u4f20\u8f93\u6027\u80fd\u7684\u91cd\u8981\u53c2\u6570\uff0c\u5b83\u51b3\u5b9a\u4e86\u6570\u636e\u5728\u9891\u7387\u8303\u56f4\u5185\u7684\u6269\u5c55\u7a0b\u5ea6\u3002\u8f83\u9ad8\u7684SF\u503c\u53ef\u4ee5\u589e\u52a0\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4f46\u4f1a\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u901a\u4fe1\u8ddd\u79bb\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1LoRa\u5929\u7ebf\u65f6\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684SF\u503c\u4ee5\u5e73\u8861\u6297\u5e72\u6270\u80fd\u529b\u548c\u901a\u4fe1\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4fe1\u9053\u9009\u62e9<\/strong>\uff1a\u7531\u4e8eLoRa\u8bbe\u5907\u901a\u5e38\u4f7f\u7528\u5de5\u4e1a\u3001\u79d1\u5b66\u548c\u533b\u7597(ISM)\u9891\u6bb5\uff0c\u8fd9\u4e9b\u9891\u6bb5\u5bb9\u6613\u53d7\u5230\u5176\u4ed6\u65e0\u7ebf\u7535\u8bbe\u5907\u7684\u5e72\u6270\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1LoRa\u5929\u7ebf\u65f6\uff0c\u9009\u62e9\u5408\u9002\u7684\u4fe1\u9053\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u907f\u514d\u4e0e\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u7684\u51b2\u7a81\u548c\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u81ea\u5e72\u6270\u6d88\u9664\uff08SIC\uff09\u6280\u672f<\/strong>\uff1aLoRa\u7f51\u5173\u7684\u81ea\u5e72\u6270\u6d88\u9664\u6280\u672f\u5bf9\u4e8e\u51cf\u5c11\u4fe1\u53f7\u5e72\u6270\u975e\u5e38\u91cd\u8981\u3002SIC\u6280\u672f\u9700\u8981\u5904\u7406\u53d1\u5c04\u673a\u5f15\u5165\u7684\u5bbd\u5e26\u566a\u58f0\u548c\u591a\u5f84\u53cd\u5c04\u5e26\u6765\u7684\u5ef6\u8fdf\u6269\u6563\u95ee\u9898\u3002\u8bbe\u8ba1\u4e2d\u9700\u8981\u91c7\u7528\u6a21\u62df\u548c\u6570\u5b57\u7ed3\u5408\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u9ad8\u6548\u7684\u81ea\u5e72\u6270\u6d88\u9664\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5929\u7ebf\u8bbe\u8ba1<\/strong>\uff1a\u4f7f\u7528\u5206\u73af\u8c10\u632f\u5668(SRR)\u7b49\u65b0\u578b\u5929\u7ebf\u8bbe\u8ba1\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u7269\u7406\u5e72\u6270\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4e0d\u4ec5\u51cf\u5c0f\u4e86\u5929\u7ebf\u7684\u5c3a\u5bf8\uff0c\u8fd8\u63d0\u9ad8\u4e86\u5929\u7ebf\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u524d\u5411\u9519\u8bef\u7ea0\u6b63\uff08FEC\uff09\u6280\u672f<\/strong>\uff1aLoRa\u4f7f\u7528FEC\u6280\u672f\u6765\u63d0\u9ad8\u4fe1\u53f7\u7684\u53ef\u9760\u6027\u548c\u8986\u76d6\u8303\u56f4\uff0c\u5c3d\u7ba1\u8fd9\u4f1a\u589e\u52a0\u7a7a\u4e2d\u65f6\u95f4\uff0c\u4f46\u53ef\u4ee5\u6709\u6548\u62b5\u6297\u7531\u4e8e\u5e72\u6270\u5f15\u8d77\u7684\u4f20\u8f93\u9519\u8bef\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u591a\u7f51\u5173\u90e8\u7f72\u548cADR\u673a\u5236<\/strong>\uff1a\u901a\u8fc7\u90e8\u7f72\u591a\u4e2a\u7f51\u5173\u548c\u4f7f\u7528\u81ea\u52a8\u901f\u7387\u8c03\u6574(ADR)\u673a\u5236\uff0c\u53ef\u4ee5\u4f18\u5316\u7f51\u7edc\u6027\u80fd\uff0c\u51cf\u5c11\u7531\u4e8e\u76f8\u540cSF\u4f20\u8f93\u5f15\u8d77\u7684\u78b0\u649e\u548c\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u5929\u7ebf\u8bbe\u8ba1\u4e2d\u51cf\u5c11\u4fe1\u53f7\u5e72\u6270\u7684\u5173\u952e\u56e0\u7d20\u5305\u62ec\u5408\u7406\u9009\u62e9\u6269\u9891\u56e0\u5b50\u3001\u4fe1\u9053\u9009\u62e9\u3001\u81ea\u5e72\u6270\u6d88\u9664\u6280\u672f\u3001\u5929\u7ebf\u8bbe\u8ba1\u4ee5\u53ca\u5229\u7528FEC\u6280\u672f\u548c\u591a\u7f51\u5173\u90e8\u7f72\u7b49\u7b56\u7565\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>LoRa\u90bb\u9891\u5e72\u6270\u7684\u89e3\u51b3\u65b9\u6848\u53ef\u4ee5\u4ece\u591a\u4e2a\u65b9\u9762\u8fdb\u884c\u8003\u8651\u548c\u5b9e\u65bd\uff0c\u4ee5\u63d0\u9ad8\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u901a\u8fc7\u4ee5\u4e0a\u591a\u79cd\u624b\u6bb5\u7684\u7efc\u5408\u5e94\u7528\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u51b3LoRa\u90bb\u9891\u5e72\u6270\u95ee\u9898\uff0c\u63d0\u9ad8\u901a\u4fe1\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"author":1,"featured_media":38352,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[54],"class_list":["post-99306","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=99306"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99306\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/38352"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=99306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=99306"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=99306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}