{"id":95848,"date":"2024-07-23T14:19:59","date_gmt":"2024-07-23T06:19:59","guid":{"rendered":"\/\/www.dealsbon.com\/?p=95848"},"modified":"2024-10-30T15:08:34","modified_gmt":"2024-10-30T07:08:34","slug":"lwxtxyljs","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/95848.html","title":{"rendered":"LoRa\u65e0\u7ebf\u901a\u4fe1\u539f\u7406\u4ecb\u7ecd"},"content":{"rendered":"\n

\u3000\u3000LoRa(Long Range)\u65e0\u7ebf\u901a\u4fe1\u6280\u672f<\/a><\/strong>\u662f\u4e00\u79cd\u57fa\u4e8e\u6269\u9891\u6280\u672f\u7684\u4f4e\u529f\u8017\u5e7f\u57df\u7f51\u901a\u4fe1\u65b9\u6848\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

\u3000\u3000LoRa<\/a>\u91c7\u7528\u4e86\u4e00\u79cd\u540d\u4e3a\u201cChirp Spread Spectrum (CSS)\u201d\u7684\u6269\u9891\u8c03\u5236\u6280\u672f\u3002\u8fd9\u79cd\u6280\u672f\u901a\u8fc7\u5728\u4fe1\u53f7\u4e2d\u6dfb\u52a0\u53ef\u7f16\u7a0b\u7801\u7387\u548c\u9891\u8c31\u6269\u5c55\uff0c\u5c06\u4f4e\u529f\u7387\u4fe1\u53f7\u8f6c\u6362\u4e3a\u9ad8\u4fe1\u566a\u6bd4\u4fe1\u53f7\uff0c\u4ece\u800c\u5b9e\u73b0\u957f\u8ddd\u79bb\u4f20\u8f93\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728LoRa\u7cfb\u7edf\u4e2d\uff0c\u6570\u636e\u4f20\u8f93\u4f7f\u7528\u4e86\u4e00\u79cd\u79f0\u4e3a\u201c\u5361\u514b\u7f16\u7801\u201d\u7684\u8c03\u5236\u6280\u672f\u3002\u8be5\u6280\u672f\u5141\u8bb8\u6570\u636e\u4ee5\u4e0d\u540c\u901f\u7387\u8fdb\u884c\u4f20\u8f93\uff0c\u5728\u4f4e\u4fe1\u566a\u6bd4\u4e0b\u4ecd\u80fd\u4fdd\u6301\u53ef\u9760\u901a\u4fe1\u3002<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u901a\u4fe1\u662fLoRa\u6280\u672f<\/a>\u7684\u57fa\u7840\uff0c\u5b83\u901a\u8fc7\u6269\u5c55\u4fe1\u53f7\u5e26\u5bbd\u6765\u964d\u4f4e\u5355\u4e2a\u7b26\u53f7\u7684\u4fe1\u53f7\u53d1\u9001\u529f\u7387\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u6297\u5e72\u6270\u80fd\u529b\u548c\u589e\u52a0\u4fe1\u53f7\u4f20\u8f93\u8ddd\u79bb\u3002\u8fd9\u79cd\u673a\u5236\u4f7f\u5f97LoRa\u80fd\u591f\u5728\u566a\u58f0\u73af\u5883\u4e0b\u5b9e\u73b0\u8f83\u9ad8\u7684\u9690\u853d\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u7684\u7269\u7406\u5c42\u534f\u8bae\u4e3b\u8981\u7531\u6269\u9891\u8c03\u5236\u548c\u7f16\u7801\u673a\u5236\u6784\u6210\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa\u6a21\u5757\u901a\u5e38\u5de5\u4f5c\u5728433 MHz\u3001868 MHz\u548c915 MHz\u7b49\u81ea\u7531\u9891\u6bb5\u4e0a\u3002\u8fd9\u4e9b\u9891\u6bb5\u5728\u5168\u7403\u8303\u56f4\u5185\u88ab\u5e7f\u6cdb\u8ba4\u53ef\u548c\u4f7f\u7528\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u7269\u8054\u7f51\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000LoRaWAN<\/a>\u662f\u5efa\u7acb\u5728LoRa\u7269\u7406\u5c42\u4e4b\u4e0a\u7684\u7f51\u7edc\u5c42\u534f\u8bae\uff0c\u5b9a\u4e49\u4e86\u901a\u4fe1MAC\u534f\u8bae\u548c\u7cfb\u7edf\u67b6\u6784\u3002LoRaWAN\u652f\u6301\u661f\u578b\u6216Mesh\u62d3\u6251\u7ed3\u6784\uff0c\u5e76\u901a\u8fc7Adaptive Data Rate (ADR)\u673a\u5236\u7ba1\u7406\u901a\u4fe1\u53c2\u6570\u5982\u6570\u636e\u901f\u7387\u548c\u7ec8\u7aef\u8bbe\u5907\u7684\u529f\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u53d1\u9001\u7aef\u9996\u5148\u5bf9\u539f\u59cb\u6bd4\u7279\u6d41\u8fdb\u884c\u4ea4\u7ec7\u548c\u7f16\u7801\uff0c\u7136\u540e\u901a\u8fc7\u9006\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362(IFFT)\u5f15\u64ce\u8fdb\u884c2SF-ary FSK\u8c03\u5236\uff0c\u5176\u4e2dSF\u4ee3\u8868\u6269\u9891\u56e0\u5b50\u3002\u63a5\u6536\u7aef\u5219\u901a\u8fc7\u5361\u514b\u89e3\u7801\u548c\u76f8\u5e94\u7684\u89e3\u8c03\u8fc7\u7a0b\u6062\u590d\u51fa\u539f\u59cb\u6570\u636e\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u51ed\u501f\u5176\u72ec\u7279\u7684\u6269\u9891\u8c03\u5236\u673a\u5236\u548c\u8d85\u8fdc\u4f20\u8f93\u8ddd\u79bb\uff0c\u5728\u667a\u80fd\u57ce\u5e02\u3001\u519c\u4e1a\u76d1\u6d4b\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9886\u57df\u53d6\u5f97\u4e86\u663e\u8457\u7684\u5e94\u7528\u6210\u679c\u3002\u5176\u4f4e\u529f\u8017\u3001\u5e7f\u8986\u76d6\u7684\u7279\u70b9\u4f7f\u5176\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u91cd\u8981\u901a\u4fe1\u6280\u672f\u4e4b\u4e00\u3002<\/p>\n\n\n\n

\"lora\"<\/figure>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684Chirp Spread Spectrum (CSS)\u6280\u672f\u5982\u4f55\u5de5\u4f5c<\/h2>\n\n\n\n

\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684Chirp Spread Spectrum (CSS)\u6280\u672f\u901a\u8fc7\u7ebf\u6027\u9891\u7387\u8c03\u5236(LFM)\u5b9e\u73b0\u4fe1\u53f7\u7684\u6269\u9891\u8c03\u5236\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u4f20\u8f93\u8ddd\u79bb\u3002\u8fd9\u79cd\u6280\u672f\u7684\u6838\u5fc3\u662f\u4f7f\u7528\u5541\u557e\u4fe1\u53f7\uff0c\u5373\u9891\u7387\u968f\u65f6\u95f4\u7ebf\u6027\u53d8\u5316\u7684\u6b63\u5f26\u6ce2\u4fe1\u53f7\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728CSS\u8c03\u5236\u8fc7\u7a0b\u4e2d\uff0cLoRa\u6a21\u5757\u5c06\u6570\u636e\u7f16\u7801\u5230\u4e00\u7cfb\u5217\u8fde\u7eed\u7684\u9891\u7387\u53d8\u5316\u4e0a\uff0c\u8fd9\u4e9b\u9891\u7387\u53d8\u5316\u5f62\u6210\u4e00\u4e2a\u5541\u557e\u4fe1\u53f7\u3002\u8fd9\u79cd\u4fe1\u53f7\u5177\u6709\u4e24\u4e2a\u4e3b\u8981\u7279\u70b9\uff1a\u4e00\u662f\u5176\u9891\u7387\u968f\u65f6\u95f4\u7ebf\u6027\u589e\u52a0\u6216\u51cf\u5c11\uff0c\u4e8c\u662f\u5176\u5e26\u5bbd\u8f83\u7a84\u4f46\u80fd\u91cf\u5206\u5e03\u5e7f\u6cdb\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0cLoRa\u80fd\u591f\u5728ISM\u9891\u6bb5(\u5982433\u3001868\u3001915 MHz\u7b49)\u8fd0\u884c\uff0c\u5e76\u4e14\u80fd\u591f\u8986\u76d6\u957f\u8ddd\u79bb\u548c\u4f4e\u529f\u8017\u7684\u901a\u4fe1\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000CSS\u6280\u672f\u7684\u6297\u5e72\u6270\u80fd\u529b\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u591a\u5f84\u4f20\u64ad\u548c\u591a\u7528\u6237\u5e72\u6270<\/strong>\uff1a\u7531\u4e8eCSS\u8c03\u5236\u4ea7\u751f\u7684\u4fe1\u53f7\u9891\u7387\u8303\u56f4\u8f83\u5e7f\uff0c\u5b83\u53ef\u4ee5\u5728\u591a\u5f84\u4f20\u64ad\u73af\u5883\u4e2d\u6709\u6548\u51cf\u5c11\u5e72\u6270\u3002\u6b64\u5916\uff0c\u4e0d\u540c\u7ec8\u7aef\u8bbe\u5907\u5373\u4f7f\u91c7\u7528\u76f8\u540c\u7684\u9891\u7387\u53d1\u9001\u4fe1\u53f7\uff0c\u4e5f\u4e0d\u4f1a\u4ea7\u751f\u4e32\u6270\uff0c\u56e0\u4e3a\u5b83\u4eec\u4f7f\u7528\u4e0d\u540c\u7684\u5541\u557e\u5e8f\u5217\u8fdb\u884c\u7f16\u7801\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4fe1\u53f7\u5f3a\u5ea6\u548c\u8986\u76d6\u8303\u56f4<\/strong>\uff1aCSS\u8c03\u5236\u901a\u8fc7\u6269\u5c55\u4fe1\u53f7\u7684\u9891\u8c31\uff0c\u589e\u52a0\u4e86\u4fe1\u53f7\u7684\u80fd\u91cf\u5206\u5e03\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u6297\u8870\u51cf\u80fd\u529b\u3002\u8fd9\u4f7f\u5f97LoRa\u80fd\u591f\u5728\u66f4\u8fdc\u7684\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u540c\u65f6\u4fdd\u6301\u8f83\u9ad8\u7684\u901a\u4fe1\u8d28\u91cf\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4f4e\u529f\u8017\u7279\u6027<\/strong>\uff1a\u5c3d\u7ba1CSS\u8c03\u5236\u589e\u52a0\u4e86\u4fe1\u53f7\u7684\u590d\u6742\u6027\uff0c\u4f46\u5b83\u4f9d\u7136\u4fdd\u6301\u4e86\u4e0e\u4f20\u7edf\u8c03\u5236\u65b9\u5f0f\u76f8\u540c\u7684\u4f4e\u529f\u8017\u7279\u6027\uff0c\u8fd9\u5bf9\u4e8e\u9700\u8981\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u7269\u8054\u7f51\u8bbe\u5907\u5c24\u4e3a\u91cd\u8981\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u4e8c\u3001 LoRa\u7f16\u7801\u6280\u672f\u5728\u4e0d\u540c\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\u7684\u6570\u636e\u4f20\u8f93\u6548\u7387<\/h2>\n\n\n\n

    \u3000\u3000LoRa\u7f16\u7801\u6280\u672f\u5728\u4e0d\u540c\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\u7684\u6570\u636e\u4f20\u8f93\u6548\u7387\u548c\u53ef\u9760\u6027\u8868\u73b0\u5982\u4e0b\uff1a<\/p>\n\n\n\n

    \u3000\u30001. \u6570\u636e\u4f20\u8f93\u6548\u7387<\/strong>\uff1a<\/h3>\n\n\n\n

    \u3000\u3000LoRa\u6280\u672f\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u901a\u5e38\u5728300bps\u81f350kbps\u4e4b\u95f4\uff0c\u8fd9\u4e0e\u5176\u4f4e\u529f\u8017\u8bbe\u8ba1\u6709\u5173\uff0c\u4e3b\u8981\u7528\u4e8e\u8fde\u63a5\u4f4e\u6570\u636e\u7387\u3001\u4f4e\u529f\u8017\u7684\u4f20\u611f\u5668\u548c\u8bbe\u5907\u3002\u6269\u9891\u56e0\u5b50(SF)\u5bf9\u6570\u636e\u4f20\u8f93\u901f\u7387\u6709\u663e\u8457\u5f71\u54cd\uff0c\u5f53\u6269\u9891\u56e0\u5b50\u4e3a6\u65f6\uff0cLoRa\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u6700\u5feb\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5728\u9ad8\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\uff0c\u8f83\u9ad8\u7684SNR\u503c\u8868\u793a\u8f83\u4f4e\u7684\u566a\u58f0\u6c34\u5e73\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

    \u3000\u30002. \u6570\u636e\u4f20\u8f93\u53ef\u9760\u6027<\/strong>\uff1a<\/h3>\n\n\n\n

    \u3000\u3000LoRa\u91c7\u7528\u7ea0\u9519\u7f16\u7801\u6280\u672f\uff0c\u80fd\u591f\u5728\u6709\u9650\u5e26\u5bbd\u5185\u5b9e\u73b0\u5f88\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u5e76\u4e14\u5728\u4f4e\u4fe1\u566a\u6bd4\u73af\u5883\u4e0b\u4f9d\u7136\u4fdd\u6301\u9ad8\u53ef\u9760\u6027\u3002\u7ea0\u9519\u7f16\u7801\u901a\u8fc7\u6dfb\u52a0\u5197\u4f59\u6570\u636e\uff0c\u5e76\u91c7\u7528\u7279\u5b9a\u7684\u8c03\u5236\u65b9\u5f0f\u6765\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5728\u6781\u5176\u4e0d\u5229\u7684\u566a\u58f0\u6761\u4ef6\u4e0b\uff0c\u5148\u8fdb\u7684\u4fe1\u53f7\u5b58\u5728\u68c0\u6d4b\u3001\u540c\u6b65\u548c\u7b26\u53f7\u68c0\u6d4b\u7b56\u7565\u88ab\u8bc1\u660e\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u6570\u636e\u5305\u63a5\u6536\u7387\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4f7f\u7528\u8df3\u9891\u6280\u672f\u548c\u4f2a\u968f\u673a\u5e8f\u5217\u8c03\u5236\uff0cLoRa\u80fd\u591f\u8fdb\u4e00\u6b65\u63d0\u5347\u5176\u63a5\u6536\u7075\u654f\u5ea6\u548c\u4fe1\u566a\u6bd4\uff0c\u4ece\u800c\u589e\u5f3a\u901a\u4fe1\u94fe\u8def\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

    \u3000\u3000LoRa\u7f16\u7801\u6280\u672f\u5728\u4e0d\u540c\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\u8868\u73b0\u51fa\u8f83\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u6548\u7387\u548c\u53ef\u9760\u6027\u3002\u5728\u9ad8\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\uff0c\u6570\u636e\u4f20\u8f93\u901f\u7387\u8f83\u9ad8;<\/p>\n\n\n\n

    \u3000\u3000\u4e09\u3001 LoRa\u7269\u7406\u5c42\u534f\u8bae\u4e2d\uff0c\u4e0d\u540c\u9891\u6bb5(\u5982433 MHz\u3001868 MHz\u548c915 MHz)\u5bf9\u8bbe\u5907\u6027\u80fd\u7684\u5f71\u54cd<\/h2>\n\n\n\n

    \u3000\u3000\u5728LoRa\u7269\u7406\u5c42\u534f\u8bae\u4e2d\uff0c\u4e0d\u540c\u9891\u6bb5(\u5982433 MHz\u3001868 MHz\u548c915 MHz)\u5bf9\u8bbe\u5907\u6027\u80fd\u7684\u5f71\u54cd\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

    \u3000\u30001. \u80fd\u91cf\u6d88\u8017<\/strong>\uff1a<\/h3>\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\u30002. \u4f20\u8f93\u8ddd\u79bb\u548c\u4fe1\u53f7\u8d28\u91cf<\/strong>\uff1a<\/h3>\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\u5728\u4e0d\u540c\u697c\u5c42\u548c\u73af\u5883\u4e2d\u7684SNR(\u4fe1\u566a\u6bd4)\u548cRSSI(\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a)\u4e5f\u6709\u6240\u4e0d\u540c\uff0c\u8fd9\u5f71\u54cd\u4e86\u6570\u636e\u5305\u7684\u4f20\u8f93\u6210\u529f\u7387\u3002<\/p>\n\n\n\n

    \u3000\u30003. \u6cd5\u89c4\u9650\u5236<\/strong>\uff1a<\/h3>\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\u30004. \u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a<\/h3>\n\n\n\n

    \u3000\u3000\u4e0d\u540c\u9891\u6bb5\u7684\u6297\u5e72\u6270\u80fd\u529b\u4e5f\u6709\u6240\u4e0d\u540c\u3002\u7531\u4e8e\u5168\u7403\u514d\u8d39\u9891\u6bb5\u4e0a\u53ef\u80fd\u5b58\u5728\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u7684\u5e72\u6270\uff0c\u9009\u62e9\u5408\u9002\u7684\u9891\u6bb5\u5bf9\u4e8e\u786e\u4fdd\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n

    \u3000\u30005. \u529f\u8017\u4e0e\u4f20\u8f93\u901f\u7387<\/strong>\uff1a<\/p>\n\n\n\n

    \u3000\u3000\u4f7f\u7528\u4e0d\u540c\u7684\u6269\u9891\u56e0\u5b50(SF)\u53ef\u4ee5\u8c03\u6574\u529f\u8017\u548c\u4f20\u8f93\u901f\u7387\u3002\u8f83\u4f4e\u7684SF\u503c\u4f1a\u51cf\u5c11\u529f\u8017\uff0c\u4f46\u4f1a\u589e\u52a0\u4f20\u8f93\u65f6\u95f4;\u8f83\u9ad8\u7684SF\u503c\u5219\u76f8\u53cd\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e0d\u540c\u9891\u6bb5\u5bf9LoRa\u8bbe\u5907\u6027\u80fd\u7684\u5f71\u54cd\u662f\u591a\u65b9\u9762\u7684\uff0c\u5305\u62ec\u80fd\u91cf\u6d88\u8017\u3001\u4f20\u8f93\u8ddd\u79bb\u3001\u4fe1\u53f7\u8d28\u91cf\u3001\u6cd5\u89c4\u9650\u5236\u4ee5\u53ca\u6297\u5e72\u6270\u80fd\u529b\u7b49\u3002<\/p>\n\n\n\n

    \u3000\u3000\u56db\u3001 LoRaWAN\u7f51\u7edc\u67b6\u6784\u4e2d\u7684Adaptive Data Rate (ADR)\u673a\u5236<\/h2>\n\n\n\n

    \u3000\u3000LoRaWAN\u7f51\u7edc\u67b6\u6784\u4e2d\u7684Adaptive Data Rate (ADR)\u673a\u5236\u662f\u5176\u6838\u5fc3\u529f\u80fd\u4e4b\u4e00\uff0c\u65e8\u5728\u4f18\u5316\u7f51\u7edc\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u3001\u7a7a\u4e2d\u65f6\u95f4\u548c\u80fd\u8017\u3002\u5177\u4f53\u6765\u8bf4\uff0cADR\u901a\u8fc7\u52a8\u6001\u8c03\u6574\u6570\u636e\u901f\u7387\u548c\u53d1\u5c04\u529f\u7387\u6765\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u3002<\/p>\n\n\n\n

    \u3000\u3000ADR\u673a\u5236\u7684\u5de5\u4f5c\u539f\u7406\u5982\u4e0b\uff1a<\/h3>\n\n\n\n
      \n
    • \u3000\u3000\u94fe\u8def\u8d28\u91cf\u6307\u6807\u4f30\u8ba1<\/strong>\uff1aADR\u9996\u5148\u901a\u8fc7\u4f30\u7b97\u8282\u70b9\u4e0e\u7f51\u5173\u4e4b\u95f4\u7684\u94fe\u8def\u8d28\u91cf\u6765\u5224\u65ad\u5f53\u524d\u7684\u901a\u4fe1\u6761\u4ef6\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u6570\u636e\u901f\u7387\u548c\u53d1\u5c04\u529f\u7387\u7684\u8c03\u6574<\/strong>\uff1a\u6839\u636e\u94fe\u8def\u8d28\u91cf\u6307\u6807\uff0cADR\u4f1a\u52a8\u6001\u8c03\u6574\u7ec8\u7aef\u8bbe\u5907\u7684\u6269\u9891\u56e0\u5b50(SF)\u548c\u53d1\u5c04\u529f\u7387\u3002\u8fd9\u4f7f\u5f97\u5728\u4e0d\u540c\u7684\u65e0\u7ebf\u6761\u4ef6\u4e0b\uff0c\u8bbe\u5907\u80fd\u591f\u9009\u62e9\u6700\u9002\u5408\u7684\u6570\u636e\u901f\u7387\u548c\u53d1\u5c04\u529f\u7387\uff0c\u4ece\u800c\u4fdd\u8bc1\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u5e76\u4f18\u5316\u80fd\u8017\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u7f51\u7edc\u670d\u52a1\u5668\u7684\u89d2\u8272<\/strong>\uff1aNS\u670d\u52a1\u5668\u4f5c\u4e3aLoRaWAN\u7f51\u7edc\u7684Manager\uff0c\u5728\u5f00\u542fADR\u529f\u80fd\u540e\uff0c\u53ef\u4ee5\u63a5\u7ba1\u5e76\u914d\u7f6e\u6bcf\u4e00\u4e2a\u7ec8\u7aef\u7684\u901a\u4fe1\u901f\u7387\u53ca\u53d1\u5c04\u529f\u7387\uff0c\u4f7f\u5f97\u7ec8\u7aef\u529f\u8017\u6700\u4f18\u4ee5\u53ca\u901a\u4fe1\u901f\u7387\u6700\u9ad8\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000ADR\u673a\u5236\u5982\u4f55\u4f18\u5316\u7f51\u7edc\u6027\u80fd\uff1a<\/h3>\n\n\n\n
        \n
      • \u3000\u3000\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u53ef\u9760\u6027<\/strong>\uff1a\u901a\u8fc7\u52a8\u6001\u8c03\u6574\u6570\u636e\u901f\u7387\u548c\u53d1\u5c04\u529f\u7387\uff0cADR\u80fd\u591f\u6839\u636e\u5b9e\u65f6\u7684\u65e0\u7ebf\u6761\u4ef6\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\uff0c\u51cf\u5c11\u6570\u636e\u5305\u4e22\u5931\u7387\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u964d\u4f4e\u80fd\u8017<\/strong>\uff1a\u901a\u8fc7\u4f18\u5316\u6570\u636e\u901f\u7387\u548c\u53d1\u5c04\u529f\u7387\uff0cADR\u6709\u52a9\u4e8e\u5ef6\u957f\u7ec8\u7aef\u8bbe\u5907\u7684\u7535\u6c60\u5bff\u547d\uff0c\u8fd9\u5bf9\u4e8e\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u5c24\u4e3a\u91cd\u8981\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u63d0\u5347\u7f51\u7edc\u5bb9\u91cf\u548c\u8986\u76d6\u8303\u56f4<\/strong>\uff1aADR\u673a\u5236\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u7f51\u7edc\u6761\u4ef6\u7075\u6d3b\u8c03\u6574\u6570\u636e\u4f20\u8f93\u7b56\u7565\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7edc\u7684\u6574\u4f53\u5bb9\u91cf\u548c\u8986\u76d6\u8303\u56f4\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u3000\u4e94\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u4e3b\u8981\u6311\u6218\u548c\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n

        \u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u9762\u4e34\u7684\u4e3b\u8981\u6311\u6218\u548c\u89e3\u51b3\u65b9\u6848\u5982\u4e0b\uff1a<\/p>\n\n\n\n

        \u3000\u30001. \u8986\u76d6\u8303\u56f4<\/strong>\uff1a<\/h3>\n\n\n\n

        \u3000\u3000\u6311\u6218<\/strong>\uff1aLoRa\u7684\u8986\u76d6\u8303\u56f4\u867d\u7136\u8f83\u5e7f\uff0c\u4f46\u5728\u67d0\u4e9b\u590d\u6742\u5730\u5f62\u6216\u5efa\u7b51\u7269\u5bc6\u96c6\u533a\u57df\u53ef\u80fd\u4f1a\u51fa\u73b0\u4fe1\u53f7\u76f2\u533a\u3002<\/p>\n\n\n\n

        \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u901a\u8fc7\u90e8\u7f72\u66f4\u591a\u7684\u4e2d\u7ee7\u5668\u6216\u96c6\u4e2d\u5668\u6765\u589e\u5f3a\u4fe1\u53f7\u8986\u76d6\u3002\u4f8b\u5982\uff0c\u4f7f\u7528Mesh\u7f51\u7edc\u67b6\u6784\u53ef\u4ee5\u6709\u6548\u6269\u5c55\u7f51\u7edc\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n

        \u3000\u30002. \u9891\u8c31\u534f\u8c03<\/strong>\uff1a<\/h3>\n\n\n\n

        \u3000\u3000\u6311\u6218<\/strong>\uff1aLoRa\u8bbe\u5907\u901a\u5e38\u4f7f\u7528\u76f8\u540c\u7684\u9891\u7387\u8fdb\u884c\u901a\u4fe1\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u540c\u9891\u5e72\u6270\u95ee\u9898\u3002<\/p>\n\n\n\n

        \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u91c7\u7528\u9891\u8c31\u7ba1\u7406\u548c\u52a8\u6001\u9891\u7387\u9009\u62e9\u6280\u672f\uff0c\u4ee5\u51cf\u5c11\u540c\u9891\u5e72\u6270\u5e76\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

        \u3000\u30003. \u5b89\u5168\u9632\u62a4<\/strong>\uff1a<\/h3>\n\n\n\n

        \u3000\u3000\u6311\u6218<\/strong>\uff1aLoRa\u7cfb\u7edf\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u5bb9\u6613\u53d7\u5230\u7a83\u542c\u548c\u7be1\u6539\u653b\u51fb\uff0c\u5b89\u5168\u6027\u8f83\u4f4e\u3002<\/p>\n\n\n\n

        \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u52a0\u5f3a\u52a0\u5bc6\u63aa\u65bd\uff0c\u5982\u91c7\u7528\u9ad8\u7ea7\u52a0\u5bc6\u6807\u51c6(AES)\u7b49\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5e76\u5b9e\u65bd\u8ba4\u8bc1\u673a\u5236\u4ee5\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n

        \u3000\u30004. \u4f4e\u6570\u636e\u901f\u7387\u548c\u9ad8\u5ef6\u8fdf<\/strong>\uff1a<\/h3>\n\n\n\n

        \u3000\u3000\u6311\u6218<\/strong>\uff1a\u7531\u4e8e\u5176\u6269\u9891\u8c03\u5236\u673a\u5236\uff0cLoRa\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u76f8\u5bf9\u8f83\u4f4e\uff0c\u4e14\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8f83\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u5ef6\u8fdf\u3002<\/p>\n\n\n\n

        \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u9488\u5bf9\u4f4e\u6570\u636e\u901f\u7387\u95ee\u9898\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f18\u5316\u8c03\u5236\u53c2\u6570\u548c\u589e\u52a0\u5e26\u5bbd\u6765\u63d0\u5347\u6570\u636e\u4f20\u8f93\u901f\u7387;\u5bf9\u4e8e\u9ad8\u5ef6\u8fdf\u95ee\u9898\uff0c\u53ef\u4ee5\u901a\u8fc7\u6539\u8fdb\u7f51\u7edc\u67b6\u6784\u548c\u4f18\u5316\u8def\u7531\u7b97\u6cd5\u6765\u964d\u4f4e\u5ef6\u8fdf\u3002<\/p>\n\n\n\n

        \u3000\u30005. \u81ea\u5efa\u7f51\u7edc\u7684\u56f0\u96be<\/strong>\uff1a<\/h3>\n\n\n\n

        \u3000\u3000\u6311\u6218<\/strong>\uff1a\u81ea\u5efaLoRa\u7f51\u7edc\u9700\u8981\u5927\u91cf\u7684\u524d\u671f\u6295\u5165\u548c\u590d\u6742\u7684\u7f51\u7edc\u89c4\u5212\u4e0e\u90e8\u7f72\u5de5\u4f5c\u3002<\/p>\n\n\n\n

        \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u91c7\u7528\u6a21\u5757\u5316\u8bbe\u8ba1\u548c\u6807\u51c6\u5316\u7ec4\u4ef6\uff0c\u7b80\u5316\u7f51\u7edc\u90e8\u7f72\u8fc7\u7a0b\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u5229\u7528\u73b0\u6709\u7684LoRaWAN\u7f51\u7edc\u5e73\u53f0\u8fdb\u884c\u5feb\u901f\u90e8\u7f72\u3002<\/p>\n\n\n\n

        \u3000\u30006. \u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a<\/h3>\n\n\n\n

        \u3000\u3000\u6311\u6218<\/strong>\uff1aLoRa\u8bbe\u5907\u5728\u5f3a\u7535\u78c1\u73af\u5883\u4e0b\u53ef\u80fd\u53d7\u5230\u5e72\u6270\uff0c\u5f71\u54cd\u901a\u4fe1\u8d28\u91cf\u3002<\/p>\n\n\n\n

        \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u91c7\u7528\u6297\u5e72\u6270\u6280\u672f\uff0c\u5982\u6ee4\u6ce2\u5668\u548c\u566a\u58f0\u6291\u5236\u6280\u672f\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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