{"id":99295,"date":"2024-11-17T15:58:41","date_gmt":"2024-11-17T07:58:41","guid":{"rendered":"\/\/www.viralrail.com\/?p=99295"},"modified":"2024-11-17T15:58:45","modified_gmt":"2024-11-17T07:58:45","slug":"lwxtxmkyljs","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99295.html","title":{"rendered":"LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u539f\u7406\u4ecb\u7ecd"},"content":{"rendered":"\n<p>\u3000\u3000<strong><a href=\"\/\/www.viralrail.com\/blog\/99159.html\" data-type=\"post\" data-id=\"99159\">LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757<\/a><\/strong>\u662f\u4e00\u79cd\u57fa\u4e8e\u6269\u9891\u8c03\u5236\u6280\u672f\u7684\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51(IoT)\u9886\u57df\u3002\u5176\u6838\u5fc3\u539f\u7406\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6269\u9891\u8c03\u5236\u6280\u672f<\/strong>\uff1aLoRa\u6a21\u5757\u91c7\u7528Chirp Spread Spectrum (CSS) \u6280\u672f\uff0c\u901a\u8fc7\u7ebf\u6027\u9891\u7387\u8c03\u5236\u4ea7\u751f\u201c\u5541\u557e\u201d\u4fe1\u53f7\uff0c\u8fd9\u79cd\u4fe1\u53f7\u5177\u6709\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u548c\u5bbd\u5e26\u5bbd\u7279\u6027\uff0c\u4f7f\u5f97LoRa\u6a21\u5757\u80fd\u591f\u5728\u590d\u6742\u73af\u5883\u4e2d\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fe1\u53f7\u5904\u7406\u4e0e\u4f20\u8f93<\/strong>\uff1a\u5728\u53d1\u9001\u7aef\uff0cLoRa\u6a21\u5757\u5c06\u5f85\u53d1\u9001\u7684\u6570\u636e\u901a\u8fc7\u5fae\u63a7\u5236\u5668\u5904\u7406\u540e\uff0c\u8f6c\u6362\u6210LoRa\u901a\u4fe1\u534f\u8bae\u652f\u6301\u7684\u6570\u636e\u683c\u5f0f\uff0c\u7136\u540e\u901a\u8fc7\u5c04\u9891\u82af\u7247\u5c06\u6570\u636e\u8c03\u5236\u4e3a\u65e0\u7ebf\u4fe1\u53f7\u53d1\u9001\u51fa\u53bb\u3002\u63a5\u6536\u7aef\u5219\u901a\u8fc7\u5c04\u9891\u82af\u7247\u5c06\u63a5\u6536\u5230\u7684\u65e0\u7ebf\u4fe1\u53f7\u89e3\u8c03\u4e3a\u6570\u5b57\u4fe1\u53f7\uff0c\u5e76\u7531\u5fae\u63a7\u5236\u5668\u8fdb\u884c\u8fdb\u4e00\u6b65\u5904\u7406\u548c\u89e3\u6790\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1aLoRa\u6a21\u5757\u7279\u522b\u6ce8\u91cd\u4f4e\u529f\u8017\u8bbe\u8ba1\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5728\u7269\u8054\u7f51\u8bbe\u5907\u4e2d\u80fd\u591f\u957f\u65f6\u95f4\u8fd0\u884c\u800c\u65e0\u9700\u9891\u7e41\u66f4\u6362\u7535\u6c60\u3002LoRa\u6a21\u5757\u901a\u5e38\u91c7\u7528\u81ea\u9002\u5e94\u901f\u7387\u8c03\u6574\u3001\u524d\u5411\u7ea0\u9519\u7801(FEC)\u7b49\u673a\u5236\u6765\u5e73\u8861\u4f20\u8f93\u8ddd\u79bb\u548c\u529f\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u786c\u4ef6\u7ec4\u6210<\/strong>\uff1aLoRa\u6a21\u5757\u4e00\u822c\u7531\u5c04\u9891\u82af\u7247\u3001\u5fae\u63a7\u5236\u5668\u3001\u7535\u6e90\u7ba1\u7406\u82af\u7247\u548c\u5929\u7ebf\u7ec4\u6210\u3002\u5c04\u9891\u82af\u7247\u8d1f\u8d23\u4fe1\u53f7\u7684\u8c03\u5236\u89e3\u8c03\u548c\u4f20\u8f93\uff0c\u5fae\u63a7\u5236\u5668\u8d1f\u8d23\u63a7\u5236\u6a21\u5757\u7684\u5de5\u4f5c\u72b6\u6001\u548c\u4e0e\u5916\u90e8\u8bbe\u5907\u7684\u901a\u4fe1\uff0c\u7535\u6e90\u7ba1\u7406\u82af\u7247\u5219\u786e\u4fdd\u6a21\u5757\u5728\u4f4e\u529f\u8017\u72b6\u6001\u4e0b\u7a33\u5b9a\u8fd0\u884c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u7531\u4e8e\u5176\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u7684\u7279\u70b9\uff0cLoRa\u6a21\u5757\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u519c\u4e1a\u3001\u667a\u6167\u57ce\u5e02\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9886\u57df\u3002\u4f8b\u5982\uff0c\u5728\u667a\u80fd\u519c\u4e1a\u4e2d\uff0cLoRa\u6a21\u5757\u53ef\u4ee5\u7528\u4e8e\u76d1\u6d4b\u571f\u58e4\u6e7f\u5ea6\u3001\u6e29\u5ea6\u7b49\u73af\u5883\u53c2\u6570;\u5728\u667a\u6167\u57ce\u5e02\u4e2d\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u667a\u80fd\u505c\u8f66\u3001\u8def\u706f\u63a7\u5236\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<a href=\"\/\/www.viralrail.com\/blog\/99164.html\" data-type=\"post\" data-id=\"99164\">LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757<\/a>\u51ed\u501f\u5176\u72ec\u7279\u7684\u6280\u672f\u4f18\u52bf\uff0c\u5728\u7269\u8054\u7f51\u9886\u57df\u5c55\u73b0\u51fa\u5e7f\u9614\u7684\u5e94\u7528\u524d\u666f\uff0c\u6210\u4e3a\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u3001\u9ad8\u6297\u5e72\u6270\u7684\u7406\u60f3\u9009\u62e9\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\/lorawan240729b.jpg\" alt=\"\" class=\"wp-image-96080\" srcset=\"\/\/www.viralrail.com\/wp-content\/uploads\/2023\/11\/lorawan240729b.jpg 726w, \/\/www.viralrail.com\/wp-content\/uploads\/2023\/11\/lorawan240729b-300x186.jpg 300w, \/\/www.viralrail.com\/wp-content\/uploads\/2023\/11\/lorawan240729b-600x372.jpg 600w\" sizes=\"(max-width: 726px) 100vw, 726px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684Chirp Spread Spectrum (CSS) \u6280\u672f\u5982\u4f55\u5de5\u4f5c<\/h2>\n\n\n\n<p>\u3000\u3000<a href=\"\/\/www.viralrail.com\/blog\/96036.html\" data-type=\"post\" data-id=\"96036\">LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757<\/a>\u7684Chirp Spread Spectrum(CSS)\u6280\u672f\u662f\u4e00\u79cd\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u5176\u6838\u5fc3\u5728\u4e8e\u4f7f\u7528\u7ebf\u6027\u8c03\u9891\u8109\u51b2(chirp)\u6765\u4f20\u8f93\u4fe1\u606f\u3002CSS\u6280\u672f\u901a\u8fc7\u5728\u9891\u7387\u8303\u56f4\u5185\u7ebf\u6027\u6539\u53d8\u4fe1\u53f7\u9891\u7387\u6765\u6269\u5c55\u4fe1\u53f7\uff0c\u4ece\u800c\u63d0\u9ad8\u5bf9\u5e72\u6270\u7684\u62b5\u6297\u6027\u548c\u901a\u4fe1\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0cCSS\u6280\u672f\u5229\u7528\u4e86\u7ebf\u6027\u8c03\u9891\u8109\u51b2(chirp)\uff0c\u8fd9\u79cd\u8109\u51b2\u7684\u9891\u7387\u968f\u65f6\u95f4\u7ebf\u6027\u589e\u52a0\u6216\u51cf\u5c11\u3002\u5982\u679c\u9891\u7387\u589e\u52a0\uff0c\u5219\u79f0\u4e3a\u4e0a\u884cchirp;\u5982\u679c\u9891\u7387\u51cf\u5c11\uff0c\u5219\u79f0\u4e3a\u4e0b\u884cchirp\u3002\u4e00\u4e2aLoRa\u7b26\u53f7\u7531\u591a\u4e2achirp\u7ec4\u6210\uff0c\u6bcf\u4e2a\u7b26\u53f7\u5360\u636e\u6574\u4e2a\u5e26\u5bbd\uff0c\u5e76\u4e14\u4fe1\u606f\u7f16\u7801\u5728\u7b26\u53f7\u5185\u7684\u9891\u7387\u7a81\u53d8\u4e2d\u3002<\/p>\n\n\n\n<p>\u3000\u3000CSS\u6280\u672f\u901a\u8fc7\u5faa\u73af\u79fb\u4f4dchirp\u4fe1\u53f7\u6765\u4ea7\u751f\u4e0d\u540c\u7684\u7b26\u53f7\uff0c\u8fd9\u4e9b\u7b26\u53f7\u643a\u5e26\u4fe1\u606f\u3002\u4e00\u4e2a\u7b26\u53f7\u7684\u957f\u5ea6\u88ab\u5212\u5206\u4e3aK\u4e2a\u7b49\u65f6\u95f4\u95f4\u9694\u7684chirp\uff0c\u53ef\u4ee5\u8fdb\u884c\u4ece0\u5230K-1\u4f4d\u7f6e\u7684\u5faa\u73af\u79fb\u4f4d\u3002\u8fd9\u79cd\u5faa\u73af\u79fb\u4f4d\u4f7f\u5f97\u6bcf\u4e2a\u7b26\u53f7\u7684\u8d77\u59cb\u9891\u7387\u504f\u79fb\u4e0d\u540c\uff0c\u4ece\u800c\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cCSS\u6280\u672f\u8fd8\u4f7f\u7528\u6269\u9891\u56e0\u5b50(spreading factor, SF)\u6765\u63a7\u5236\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u4e0e\u566a\u58f0\u62b5\u6297\u6027\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u8f83\u9ad8\u7684SF\u503c\u63d0\u4f9b\u66f4\u5f3a\u7684\u566a\u58f0\u62b5\u6297\u6027\uff0c\u4f46\u4f1a\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u901f\u5ea6;\u800c\u8f83\u4f4e\u7684SF\u503c\u5219\u53ef\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\uff0c\u4f46\u566a\u58f0\u62b5\u6297\u6027\u4f1a\u964d\u4f4e\u3002\u901a\u5e38\uff0cSF\u503c\u57287\u523012\u4e4b\u95f4\uff0c\u5176\u4e2dSF\u503c\u4e3a12\u65f6\u53ef\u4ee5\u63d0\u4f9b\u6700\u5927\u7684\u8ddd\u79bb\u548c\u6700\u4f4e\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\uff0c\u800cSF\u503c\u4e3a7\u65f6\u5219\u53ef\u4ee5\u63d0\u4f9b\u6700\u5feb\u7684\u4f20\u8f93\u901f\u5ea6\uff0c\u4f46\u8ddd\u79bb\u8f83\u77ed\u3002<\/p>\n\n\n\n<p>\u3000\u3000CSS\u6280\u672f\u901a\u8fc7\u5728\u9891\u7387\u8303\u56f4\u5185\u7ebf\u6027\u6539\u53d8\u4fe1\u53f7\u9891\u7387\u5e76\u5229\u7528\u5faa\u73af\u79fb\u4f4d\u751f\u6210\u4e0d\u540c\u7684\u7b26\u53f7\u6765\u5b9e\u73b0\u4fe1\u606f\u4f20\u8f93\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u4f4e\u529f\u8017\u6280\u672f<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u4f4e\u529f\u8017\u8bbe\u8ba1\u4e2d\u91c7\u7528\u4e86\u591a\u79cd\u5177\u4f53\u6280\u672f\u6216\u673a\u5236\uff0c\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u80fd\u6e90\u7ba1\u7406\u3002\u4ee5\u4e0b\u662f\u8fd9\u4e9b\u6280\u672f\u7684\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6269\u9891\u8c03\u5236\u6280\u672f<\/strong>\uff1aLoRa\u6280\u672f\u7684\u6838\u5fc3\u662f\u6269\u9891\u8c03\u5236\uff0c\u57fa\u4e8eChirp Spread Spectrum(CSS)\u6280\u672f\u3002\u8fd9\u79cd\u8c03\u5236\u65b9\u5f0f\u901a\u8fc7\u5728\u5e7f\u6cdb\u7684\u9891\u7387\u8303\u56f4\u5185\u4f20\u8f93\u6570\u636e\uff0c\u63d0\u9ad8\u4e86\u6297\u5e72\u6270\u80fd\u529b\u548c\u901a\u4fe1\u8ddd\u79bb\uff0c\u540c\u65f6\u964d\u4f4e\u4e86\u5bf9\u53d1\u5c04\u529f\u7387\u7684\u9700\u6c42\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6df1\u5ea6\u4f11\u7720\u548c\u7a7a\u4e2d\u5524\u9192\u6a21\u5f0f<\/strong>\uff1aLoRa\u6a21\u5757\u652f\u6301\u6df1\u5ea6\u4f11\u7720\u6a21\u5f0f\u548c\u7a7a\u4e2d\u5524\u9192\u6a21\u5f0f\u3002\u8fd9\u610f\u5473\u7740\u8bbe\u5907\u53ef\u4ee5\u5728\u5927\u90e8\u5206\u65f6\u95f4\u5904\u4e8e\u4f4e\u529f\u8017\u72b6\u6001\uff0c\u4ec5\u5728\u9700\u8981\u53d1\u9001\u6216\u63a5\u6536\u6570\u636e\u65f6\u77ed\u6682\u5524\u9192\uff0c\u4ece\u800c\u6781\u5927\u5730\u51cf\u5c11\u4e86\u80fd\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u6548\u7684MCU\u5de5\u4f5c\u6a21\u5f0f<\/strong>\uff1aLoRa\u6a21\u5757\u901a\u5e38\u91c7\u7528\u4f4e\u529f\u8017MCU\uff0c\u5e76\u901a\u8fc7\u201c\u4e2d\u65ad+\u5b9a\u65f6\u5668\u8d85\u65f6\u201d\u63a7\u5236\u5c04\u9891\u6a21\u5757\uff0c\u4f7f\u5176\u5728\u5b8c\u6210\u6570\u636e\u4f20\u8f93\u540e\u7acb\u5373\u8fdb\u5165\u4f11\u7720\u72b6\u6001\u3002\u6b64\u5916\uff0cMCU\u5f15\u811a\u53ef\u4ee5\u52a8\u6001\u5207\u6362\u81f3\u8f93\u5165\u4e0a\u62c9\u548c\u60ac\u6d6e\u72b6\u6001\uff0c\u4ee5\u8fdb\u4e00\u6b65\u964d\u4f4e\u529f\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u524d\u5bfc\u7801\u5524\u9192\u548c\u5b9a\u65f6\u5524\u9192<\/strong>\uff1aLoRa\u8c03\u5236\u6280\u672f\u4e2d\uff0c\u524d\u5bfc\u7801\u5524\u9192\u548c\u5b9a\u65f6\u5524\u9192\u662f\u5b9e\u73b0\u4f4e\u529f\u8017\u7684\u5173\u952e\u3002\u901a\u8fc7\u8fd9\u4e9b\u673a\u5236\uff0c\u8bbe\u5907\u53ef\u4ee5\u5728\u63a5\u6536\u5230\u7279\u5b9a\u4fe1\u53f7\u65f6\u81ea\u52a8\u5524\u9192\uff0c\u800c\u65e0\u9700\u6301\u7eed\u76d1\u542c\u4fe1\u9053\uff0c\u4ece\u800c\u8282\u7701\u5927\u91cf\u7535\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u63a5\u6536\u7075\u654f\u5ea6\u548c\u524d\u5411\u7ea0\u9519\u7f16\u7801<\/strong>\uff1aLoRa\u63d0\u9ad8\u4e86\u63a5\u6536\u673a\u7684\u7075\u654f\u5ea6\uff0c\u4f7f\u5f97\u8bbe\u5907\u53ef\u4ee5\u5728\u8f83\u4f4e\u7684\u4fe1\u566a\u6bd4\u4e0b\u5de5\u4f5c\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u524d\u5411\u7ea0\u9519\u7f16\u7801(FEC)\u6280\u672f\uff0c\u5728\u4f20\u8f93\u4fe1\u606f\u4e2d\u52a0\u5165\u5197\u4f59\uff0c\u589e\u5f3a\u4e86\u6570\u636e\u7684\u9c81\u68d2\u6027\uff0c\u51cf\u5c11\u4e86\u91cd\u4f20\u9700\u6c42\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u529f\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017\u5c04\u9891\u82af\u7247<\/strong>\uff1aLoRa\u6a21\u5757\u901a\u5e38\u91c7\u7528\u4f4e\u529f\u8017\u5c04\u9891\u82af\u7247\uff0c\u5982SX1278\u548cSX1262.\u8fd9\u4e9b\u82af\u7247\u8bbe\u8ba1\u7528\u4e8e\u5728\u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\u9ad8\u6548\u8fd0\u884c\u3002\u4f8b\u5982\uff0cSX1278\u82af\u7247\u5728\u4f11\u7720\u6a21\u5f0f\u4e0b\u7684\u529f\u8017\u6781\u4f4e\uff0c\u6709\u52a9\u4e8e\u6574\u4f53\u7cfb\u7edf\u7684\u8282\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f18\u5316\u7684\u6570\u636e\u4f20\u8f93\u7b56\u7565<\/strong>\uff1aLoRa\u6a21\u5757\u652f\u6301\u591a\u79cd\u6570\u636e\u4f20\u8f93\u7b56\u7565\uff0c\u5305\u62ec\u81ea\u52a8\u5206\u5305\u4f20\u8f93\u548c\u591a\u6570\u636e\u5305\u4f20\u8f93\uff0c\u786e\u4fdd\u6570\u636e\u5305\u7684\u5b8c\u6574\u6027\u548c\u53ef\u9760\u6027\u3002\u8fd9\u4e9b\u7b56\u7565\u6709\u52a9\u4e8e\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u91cd\u4f20\u548c\u901a\u4fe1\u5ef6\u8fdf\uff0c\u4ece\u800c\u964d\u4f4e\u80fd\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8d85\u4f4e\u529f\u8017\u63a5\u6536\u5668\uff08WuR\uff09\u7ed3\u5408<\/strong>\uff1a\u5728\u67d0\u4e9b\u5e94\u7528\u4e2d\uff0cLoRa\u53ef\u4ee5\u4e0e\u8d85\u4f4e\u529f\u8017\u63a5\u6536\u5668(\u5982WuR)\u7ed3\u5408\u4f7f\u7528\uff0c\u901a\u8fc7\u5f02\u6b65\u5524\u9192\u4e3b\u8282\u70b9\u6765\u51cf\u5c11\u7f51\u7edc\u529f\u8017\u3002\u8fd9\u79cd\u8bbe\u8ba1\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u4f4e\u529f\u8017\u548c\u4f4e\u5ef6\u8fdf\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u901a\u8fc7\u591a\u79cd\u6280\u672f\u624b\u6bb5\u5b9e\u73b0\u4e86\u4f4e\u529f\u8017\u8bbe\u8ba1\uff0c\u5305\u62ec\u6269\u9891\u8c03\u5236\u3001\u6df1\u5ea6\u4f11\u7720\u4e0e\u7a7a\u4e2d\u5524\u9192\u3001\u9ad8\u6548\u7684MCU\u5de5\u4f5c\u6a21\u5f0f\u3001\u524d\u5bfc\u7801\u5524\u9192\u3001\u9ad8\u63a5\u6536\u7075\u654f\u5ea6\u4e0e\u524d\u5411\u7ea0\u9519\u7f16\u7801\u3001\u4f4e\u529f\u8017\u5c04\u9891\u82af\u7247\u4ee5\u53ca\u4f18\u5316\u7684\u6570\u636e\u4f20\u8f93\u7b56\u7565\u7b49\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\/2024\/01\/lorawanquanguochan2411801.jpg\" alt=\"lorawan\" class=\"wp-image-87300\" srcset=\"\/\/www.viralrail.com\/wp-content\/uploads\/2024\/01\/lorawanquanguochan2411801.jpg 726w, \/\/www.viralrail.com\/wp-content\/uploads\/2024\/01\/lorawanquanguochan2411801-300x186.jpg 300w, \/\/www.viralrail.com\/wp-content\/uploads\/2024\/01\/lorawanquanguochan2411801-600x372.jpg 600w\" sizes=\"(max-width: 726px) 100vw, 726px\" \/><figcaption class=\"wp-element-caption\">lorawan<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u6297\u5e72\u6270\u80fd\u529b?<\/h2>\n\n\n\n<p>\u3000\u3000\u8bc4\u4f30LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u6297\u5e72\u6270\u80fd\u529b\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u4e2a\u56e0\u7d20\uff0c\u5305\u62ec\u8c03\u5236\u6280\u672f\u3001\u4fe1\u9053\u5e72\u6270\u3001\u73af\u5883\u7279\u6027\u4ee5\u53ca\u5b9e\u9645\u90e8\u7f72\u60c5\u51b5\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u8bc4\u4f30\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u4f7f\u7528\u6269\u9891\u8c03\u5236\u548c\u524d\u5411\u7ea0\u9519\u6280\u672f\uff0c\u8fd9\u4e9b\u6280\u672f\u589e\u5f3a\u4e86\u5176\u6297\u5e72\u6270\u80fd\u529b\u3002\u4f8b\u5982\uff0cLoRa\u8c03\u5236\u901a\u8fc7\u5faa\u73af\u8c03\u9891\u4fe1\u53f7\u5b9e\u73b0\uff0c\u5176\u4e2d\u8c03\u9891\u901f\u7387\u7531\u6269\u5c55\u56e0\u5b50(SF)\u63a7\u5236\uff0cSF\u503c\u8d8a\u9ad8\uff0c\u8c03\u9891\u65f6\u95f4\u8d8a\u957f\uff0c\u6bcf\u4e2a\u7b26\u53f7\u53ef\u7f16\u7801\u7684\u4f4d\u6570\u8d8a\u591a\u3002\u8fd9\u79cd\u8c03\u5236\u65b9\u5f0f\u80fd\u591f\u5c06\u4fe1\u53f7\u80fd\u91cf\u5206\u6563\u5230\u66f4\u5927\u7684\u4fe1\u9053\u5e26\u5bbd\u4e0a\uff0c\u4ece\u800c\u589e\u5f3a\u5bf9\u7a84\u5e26\u5e72\u6270\u7684\u9c81\u68d2\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u8f6f\u4ef6\u5b9a\u4e49\u65e0\u7ebf\u7535(SDR)\u9884\u5148\u5f55\u5236\u7684\u771f\u5b9e\u9891\u8c31\u6d4b\u91cf\u6765\u6a21\u62df\u5b9e\u9645\u7684\u5e72\u6270\u60c5\u51b5\u3002\u8fd9\u79cd\u65b9\u6cd5\u5141\u8bb8\u5728\u90e8\u7f72\u524d\u66f4\u51c6\u786e\u5730\u8bc4\u4f30LoRa\u7684\u6027\u80fd\uff0c\u7279\u522b\u662f\u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0c\u56e0\u4e3a\u9891\u8c31\u53ef\u7528\u6027\u4e0d\u4ec5\u5728\u7a7a\u95f4\u4e0a\uff0c\u800c\u4e14\u5728\u65f6\u95f4\u4e0a\u90fd\u5b58\u5728\u53d8\u5316\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u5e72\u6270\u7814\u7a76<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u5546\u4e1a\u533a\u3001\u533b\u9662\u3001\u5de5\u4e1a\u533a\u548c\u4f4f\u5b85\u533a\u7b49\u4e0d\u540c\u73af\u5883\u4e2d\uff0cLoRa\u7684\u5e72\u6270\u6982\u7387\u6709\u6240\u4e0d\u540c\u3002\u4f8b\u5982\uff0c\u5728\u5546\u4e1a\u533a\u5e72\u6270\u6982\u7387\u8f83\u9ad8\uff0c\u800c\u5728\u533b\u9662\u3001\u5de5\u4e1a\u533a\u548c\u4f4f\u5b85\u533a\u5e72\u6270\u6982\u7387\u8f83\u4f4e\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u6811\u6797\u4e2d\u8fdb\u884c\u7684\u5f3a\u5e72\u6270\u5b9e\u9a8c\u8868\u660e\uff0cLoRa\u7f51\u7edc\u5728\u9ad8\u5e72\u6270\u73af\u5883\u4e0b\u4ecd\u80fd\u63d0\u4f9b\u7a33\u5065\u7684\u901a\u4fe1\u94fe\u8def\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5efa\u7b51\u7269\u5185\u4f7f\u7528LoRa\u7cfb\u7edf\u65f6\uff0c\u4fe1\u53f7\u5e72\u6270\u95ee\u9898\u5305\u62ec\u6765\u81ea\u79fb\u52a8\u8fd0\u8425\u5546\u548cWi-Fi\u8bbe\u5907\u7684\u5e72\u6270\uff0c\u4ee5\u53ca\u5185\u90e8\u53cd\u5c04\u5bfc\u81f4\u7684\u4e32\u6270\u3002\u901a\u8fc7\u6d4b\u91cf\u6bd4\u7279\u8bef\u7801\u7387(BER)\u548c\u5206\u6790\u5e72\u6270\u60c5\u51b5\uff0c\u53ef\u4ee5\u8bc4\u4f30\u63a5\u6536\u8d28\u91cf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u5177\u4f53\u5e72\u6270\u6848\u4f8b\u5206\u6790<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u7814\u7a76\u8868\u660e\uff0cLoRa\u5728\u9762\u5bf9IEEE 802.15.4g\u7684\u5e72\u6270\u65f6\uff0c\u5f53SF\u9ad8\u4e8eSF9\u65f6\uff0c\u5373\u4f7f\u9762\u5bf916dB\u66f4\u5f3a\u7684\u5e72\u6270\uff0c\u6570\u636e\u5305\u4e22\u5931\u4e5f\u51e0\u4e4e\u53ef\u4ee5\u5ffd\u7565\u3002\u7136\u800c\uff0c\u5f53SF\u4f4e\u4e8eSF9\u65f6\uff0cLoRa\u4f1a\u906d\u53d7\u663e\u8457\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u4e0eSigfox\u5171\u5b58\u7684\u60c5\u51b5\u4e0b\uff0cLoRa\u7f51\u7edc\u53ef\u80fd\u56e0SigFox\u5e72\u6270\u800c\u635f\u5931\u9ad8\u8fbe50%\u7684\u6570\u636e\u5305\u3002<\/p>\n\n\n\n<p>\u3000\u3000SigFox\u5bf9LoRa\u7684\u5f71\u54cd\u6700\u5927\uff0c\u5f53\u5e72\u6270\u5f00\u59cb\u4e8eLoRa\u524d\u7f00\u548c\u6807\u5934\u65f6\u95f4\u65f6\uff0cLoRa\u6570\u636e\u5305\u4e22\u5931\u53ef\u8fbe28%\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u7279\u5b9a\u7684\u6d4b\u8bd5\u5e73\u53f0\u548c\u8bbe\u5907\u5e03\u5c40\u6765\u8bc4\u4f30LoRa\u7f51\u7edc\u5728\u4e0d\u540c\u5e72\u6270\u73af\u5883\u4e0b\u7684\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5728\u6797\u6c5f\u5e26\u516c\u56ed\u7684\u6811\u6797\u4e2d\u8fdb\u884c\u5f3a\u5e72\u6270\u5b9e\u9a8c\uff0c\u5e76\u4f7f\u7528\u589e\u76ca\u4e0d\u540c\u7684\u5168\u5411\u5929\u7ebf\u6765\u8bc4\u4f30\u7f51\u7edc\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528Agilent PXA N9030A\u4fe1\u53f7\u5206\u6790\u4eea\u7684\u201c\u901a\u9053\u529f\u7387\u201d\u6a21\u5f0f\u6765\u6d4b\u91cf\u4fe1\u566a\u6bd4(SINR)\uff0c\u4ee5\u8bc4\u4f30\u5e72\u6270\u4fe1\u53f7\u5bf9LoRa\u7cfb\u7edf\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5b9e\u9645\u90e8\u7f72\u4e2d\uff0cLoRa\u8868\u73b0\u51fa\u826f\u597d\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u4f8b\u5982\uff0c\u5728\u519c\u6751\u667a\u80fd\u7535\u7f51\u5e94\u7528\u4e2d\uff0cLoRa\u5177\u6709\u826f\u597d\u7684\u7f51\u7edc\u8986\u76d6\u548c\u8def\u5f84\u635f\u8017\u8868\u73b0\uff0c\u5305\u6210\u529f\u6bd4\u8303\u56f4\u57280.9-0.95\u4e4b\u95f4\u3002\u7136\u800c\uff0c\u5728\u57ce\u5e02\u8857\u9053\u4e0a\u8ffd\u8e2a\u884c\u4eba\u65f6\uff0cLoRa\u7684\u5b9e\u9645\u5305\u63a5\u6536\u8303\u56f4\u7ea6\u4e3a200\u7c73\uff0c\u5305\u4e22\u5931\u4ece600\u7c73\u5f00\u59cb\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8bc4\u4f30LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u6297\u5e72\u6270\u80fd\u529b\u9700\u8981\u7ed3\u5408\u7406\u8bba\u5206\u6790\u3001\u5b9e\u9a8c\u6a21\u62df\u548c\u5b9e\u9645\u90e8\u7f72\u6570\u636e\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\/09\/\u56fd\u4ea7lora\u82af\u7247-\u8c61\u82af\u4e00\u53f7.png\" alt=\"\" class=\"wp-image-48581\" srcset=\"\/\/www.viralrail.com\/wp-content\/uploads\/2023\/09\/\u56fd\u4ea7lora\u82af\u7247-\u8c61\u82af\u4e00\u53f7.png 726w, \/\/www.viralrail.com\/wp-content\/uploads\/2023\/09\/\u56fd\u4ea7lora\u82af\u7247-\u8c61\u82af\u4e00\u53f7-300x186.png 300w, \/\/www.viralrail.com\/wp-content\/uploads\/2023\/09\/\u56fd\u4ea7lora\u82af\u7247-\u8c61\u82af\u4e00\u53f7-600x372.png 600w\" sizes=\"(max-width: 726px) 100vw, 726px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u4e0e\u5176\u4ed6\u7269\u8054\u7f51\u901a\u4fe1\u6280\u672f\u4f18\u7f3a\u70b9<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u4e0e\u5176\u4ed6\u7269\u8054\u7f51\u901a\u4fe1\u6280\u672f(\u5982Wi-Fi\u3001\u84dd\u7259)\u76f8\u6bd4\uff0c\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\u7f3a\u70b9\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u4f18\u70b9\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u957f\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1aLoRa\u6280\u672f\u91c7\u7528\u5bbd\u5e26\u4fe1\u53f7\u548c\u8c03\u5236\u6280\u672f\uff0c\u5728\u4f4e\u9891\u6bb5\u4e0b\u53ef\u4ee5\u5b9e\u73b0\u8d85\u8fc710\u516c\u91cc\u7684\u4fe1\u53f7\u4f20\u8f93\u8ddd\u79bb\uff0c\u751a\u81f3\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\u53ef\u4ee5\u8fbe\u5230700\u516c\u91cc\u4ee5\u4e0a\u3002\u8fd9\u4f7f\u5f97LoRa\u975e\u5e38\u9002\u5408\u9700\u8981\u957f\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u73af\u5883\u76d1\u6d4b\u3001\u519c\u4e1a\u548c\u516c\u5171\u5b89\u5168\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017<\/strong>\uff1aLoRa\u8bbe\u5907\u5728\u5de5\u4f5c\u65f6\u6d88\u8017\u7684\u7535\u91cf\u8fdc\u4f4e\u4e8e\u4f20\u7edf\u65e0\u7ebf\u8bbe\u5907\uff0c\u8fd9\u4f7f\u5f97\u5b83\u4eec\u7279\u522b\u9002\u7528\u4e8e\u7535\u6c60\u4f9b\u7535\u7684\u7269\u8054\u7f51\u8bbe\u5907\u3002\u4f8b\u5982\uff0c\u7b80\u5355\u8bbe\u5907\u53ef\u4ee5\u4f7f\u75281.5V\u7535\u6c60\u957f\u8fbe10\u5e74\u3002\u6b64\u5916\uff0cLoRa\u7684\u4f4e\u529f\u8017\u8bbe\u8ba1\u8fd8\u5ef6\u957f\u4e86\u7535\u6c60\u5bff\u547d\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u7a7f\u900f\u6027<\/strong>\uff1aLoRa\u4fe1\u53f7\u5177\u6709\u8f83\u5f3a\u7684\u7a7f\u900f\u969c\u788d\u7269\u7684\u80fd\u529b\uff0c\u53ef\u4ee5\u5728\u5efa\u7b51\u7269\u5185\u6216\u57ce\u5e02\u533a\u57df\u5185\u8fdb\u884c\u901a\u4fe1\u3002\u8fd9\u4f7f\u5f97LoRa\u5728\u5ba4\u5185\u548c\u590d\u6742\u73af\u5883\u4e2d\u4ecd\u7136\u6709\u6548\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u901a\u4fe1\u5b89\u5168<\/strong>\uff1aLoRa\u6280\u672f\u91c7\u7528AES\u52a0\u5bc6\u7b97\u6cd5\uff0c\u4fdd\u8bc1\u4e86\u901a\u4fe1\u7684\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7f51\u7edc\u6269\u5c55\u6027<\/strong>\uff1aLoRa\u652f\u6301\u591a\u7ea7\u7f51\u7edc\u6269\u5c55\uff0c\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u4e2d\u7ee7\u8282\u70b9\u6765\u6269\u5c55\u7f51\u7edc\u3002\u6b64\u5916\uff0cLoRa\u7ec4\u7f51\u65b9\u4fbf\u4e14\u7a33\u5b9a\u6027\u9ad8\uff0c\u53ef\u81ea\u884c\u6784\u5efa\u79c1\u6709\u901a\u4fe1\u7f51\u7edc\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1aLoRa\u5229\u7528Chirp Spread Spectrum\u6280\u672f\uff0c\u589e\u5f3a\u4e86\u5bf9\u566a\u58f0\u548c\u5e72\u6270\u7684\u62b5\u6297\u529b\uff0c\u5373\u4f7f\u5728\u566a\u58f0\u4f4e\u4e8e25dB\u7684\u73af\u5883\u4e0b\u4e5f\u80fd\u7a33\u5b9a\u4f20\u8f93\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u7f3a\u70b9\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f4e\u6570\u636e\u901f\u7387<\/strong>\uff1aLoRa\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u8f83\u6162\uff0c\u4e00\u822c\u5728\u51e0\u767ebps\u5230\u51e0\u5343bps\u4e4b\u95f4\u3002\u8fd9\u9650\u5236\u4e86\u5176\u5728\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u4e2d\u7684\u4f7f\u7528\uff0c\u4f8b\u5982\u97f3\u9891\u5f55\u5236\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u65f6\u5ef6\u8f83\u5927<\/strong>\uff1aLoRa\u6280\u672f\u7684\u4f20\u8f93\u65f6\u5ef6\u8f83\u5927\uff0c\u4e00\u822c\u5728\u51e0\u767e\u6beb\u79d2\u5230\u51e0\u79d2\u4e4b\u95f4\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u5b9e\u65f6\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u53ef\u80fd\u4e0d\u591f\u7406\u60f3\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4e0d\u9002\u5408\u9ad8\u5bc6\u5ea6\u7f51\u7edc<\/strong>\uff1a\u7531\u4e8eLoRa\u6280\u672f\u7684\u9891\u8c31\u5229\u7528\u7387\u8f83\u4f4e\uff0c\u56e0\u6b64\u4e0d\u9002\u5408\u5728\u9ad8\u5bc6\u5ea6\u7f51\u7edc\u73af\u5883\u4e0b\u4f7f\u7528\u3002\u8fd9\u610f\u5473\u7740\u5728\u5927\u91cf\u8bbe\u5907\u5bc6\u96c6\u8fde\u63a5\u7684\u573a\u666f\u4e2d\uff0cLoRa\u53ef\u80fd\u4e0d\u5982Wi-Fi\u6216\u84dd\u7259\u8868\u73b0\u826f\u597d\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u786c\u4ef6\u8981\u6c42\u8f83\u9ad8<\/strong>\uff1a\u867d\u7136LoRa\u5728\u5b89\u5168\u6027\u65b9\u9762\u66f4\u4f18\uff0c\u4f46\u5176\u9700\u8981\u989d\u5916\u7684\u786c\u4ef6\u7ec4\u4ef6\uff0c\u5982\u5929\u7ebf\u548c\u63a5\u6536\u5668\uff0c\u8fd9\u53ef\u80fd\u589e\u52a0\u8bbe\u5907\u7684\u6210\u672c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u666e\u53ca\u7a0b\u5ea6\u8f83\u4f4e<\/strong>\uff1a\u76f8\u6bd4\u4e8eWi-Fi\uff0cLoRa\u5728\u666e\u53ca\u7a0b\u5ea6\u4e0a\u900a\u8272\uff0c\u8fd9\u53ef\u80fd\u5f71\u54cd\u5176\u5728\u67d0\u4e9b\u5e94\u7528\u573a\u666f\u4e2d\u7684\u53ef\u7528\u6027\u548c\u517c\u5bb9\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u3001\u4f4e\u529f\u8017\u3001\u9ad8\u7a7f\u900f\u6027\u548c\u5b89\u5168\u6027\u65b9\u9762\u5177\u6709\u663e\u8457\u4f18\u52bf\uff0c\u4f46\u5728\u6570\u636e\u901f\u7387\u3001\u65f6\u5ef6\u548c\u9ad8\u5bc6\u5ea6\u7f51\u7edc\u73af\u5883\u4e0b\u7684\u8868\u73b0\u4e0a\u5b58\u5728\u52a3\u52bf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u90e8\u7f72\u548c\u7ef4\u62a4\u6210\u672c<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u90e8\u7f72\u548c\u7ef4\u62a4\u6210\u672c\u56e0\u5177\u4f53\u5e94\u7528\u573a\u666f\u548c\u89c4\u6a21\u800c\u5f02\u3002\u4ee5\u4e0b\u662f\u57fa\u4e8e\u4e0d\u540c\u8bc1\u636e\u7684\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u90e8\u7f72\u6210\u672c<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u7531\u4e8e\u5176\u975e\u6388\u6743\u9891\u8c31\u7279\u6027\uff0c\u65e0\u9700\u5927\u89c4\u6a21\u57fa\u7ad9\u5efa\u8bbe\uff0c\u56e0\u6b64\u90e8\u7f72\u6210\u672c\u8f83\u4f4e\u3002\u4f8b\u5982\uff0cLoRa\u7f51\u5173\u57fa\u7ad9\u7684\u5e73\u5747\u5e02\u573a\u4ef7\u683c\u7ea6\u4e3a5.000\u5143\u4eba\u6c11\u5e01\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u67d0\u4e9b\u7279\u5b9a\u573a\u666f\u4e0b\uff0c\u5982\u5b66\u6821\u5b89\u88c5\uff0c\u4f7f\u7528LoRa\u5b9e\u65bd\u7684\u603b\u6210\u672c\u4e3a639\u6b27\u5143\uff0c\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u4f7f\u7528IEEE 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