{"id":100198,"date":"2025-01-02T17:55:02","date_gmt":"2025-01-02T09:55:02","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=100198"},"modified":"2025-01-02T17:55:07","modified_gmt":"2025-01-02T09:55:07","slug":"ldcsjlsds","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/100198.html","title":{"rendered":"LoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u662f\u591a\u5c11"},"content":{"rendered":"\n

\u3000\u3000LoRa<\/strong>\u7684\u4f20\u8f93\u8ddd\u79bb\u56e0\u73af\u5883\u548c\u914d\u7f6e\u7684\u4e0d\u540c\u800c\u6709\u6240\u53d8\u5316\u3002\u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u4e3a1\u52302\u516c\u91cc\u3002\u5728\u5f00\u9614\u4e14\u65e0\u969c\u788d\u7269\u7684\u73af\u5883\u4e2d\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52305\u523010\u516c\u91cc\u3002\u6b64\u5916\uff0cLoRa\u6280\u672f\u5728\u89c6\u7ebf\u8303\u56f4\u5185(LoS)\u7684\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe15\u516c\u91cc\u3002<\/p>\n\n\n\n

\u3000\u3000\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u8fd8\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5305\u62ec\u7a7a\u95f4\u73af\u5883\u3001\u4f20\u8f93\u901f\u7387\u3001\u53d1\u5c04\u529f\u7387\u548c\u5929\u7ebf\u589e\u76ca\u7b49\u3002\u4f8b\u5982\uff0c\u5728\u5ba4\u5185\u73af\u5883\u4e2d\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u4f1a\u964d\u4f4e\u5230\u51e0\u767e\u7c73\u3002\u800c\u5728\u7279\u5b9a\u7684\u6d4b\u8bd5\u6761\u4ef6\u4e0b\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u751a\u81f3\u53ef\u4ee5\u8fbe\u5230\u66f4\u8fdc\u7684\u8ddd\u79bb\uff0c\u598220\u516c\u91cc\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u8303\u56f4\u8f83\u5e7f\uff0c\u4ece\u51e0\u767e\u7c73\u5230\u5341\u51e0\u516c\u91cc\u4e0d\u7b49\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5e94\u7528\u573a\u666f\u548c\u73af\u5883\u6761\u4ef6\u3002<\/p>\n\n\n\n

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

\u3000\u3000\u4e00\u3001 LoRa\u6280\u672f\u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb<\/h2>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u4f1a\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5305\u62ec\u5730\u5f62\u3001\u5efa\u7b51\u7269\u3001\u9891\u7387\u914d\u7f6e\u3001\u5929\u7ebf\u589e\u76ca\u7b49\u3002\u4ee5\u4e0b\u662fLoRa\u6280\u672f\u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u53d8\u5316\u60c5\u51b5\uff1a<\/p>\n\n\n\n

\u3000\u3000\u57ce\u9547\u73af\u5883<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u57ce\u9547\u73af\u5883\u4e2d\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u57282-5\u516c\u91cc\u4e4b\u95f4\u3002\u7531\u4e8e\u5efa\u7b51\u7269\u548c\u5176\u4ed6\u969c\u788d\u7269\u7684\u5b58\u5728\uff0c\u4fe1\u53f7\u53ef\u80fd\u4f1a\u53d7\u5230\u5e72\u6270\uff0c\u5bfc\u81f4\u4f20\u8f93\u8ddd\u79bb\u7f29\u77ed\u3002<\/p>\n\n\n\n

\u3000\u3000\u4f18\u5316\u914d\u7f6e\u4e0b\uff0cLoRa\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52303\u516c\u91cc\u5de6\u53f3\u3002<\/p>\n\n\n\n

\u3000\u3000\u90ca\u533a\u73af\u5883<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u90ca\u533a\u6216\u5f00\u9614\u5730\u533a\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u523015\u516c\u91cc\u751a\u81f3\u66f4\u8fdc\u3002\u65e0\u969c\u788d\u7269\u65f6\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u6269\u5c55\u81f315-20\u516c\u91cc\u3002<\/p>\n\n\n\n

\u3000\u3000\u5b9e\u9645\u6d4b\u8bd5\u4e2d\uff0c\u4f7f\u7528\u7279\u5b9a\u5929\u7ebf\u65f6\uff0cLoRa\u7684\u901a\u4fe1\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52302.9\u516c\u91cc\uff0c\u4f46\u56e0\u73af\u5883\u56e0\u7d20\u53ef\u80fd\u66f4\u8fdc\u3002<\/p>\n\n\n\n

\u3000\u3000\u519c\u6751\u73af\u5883<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u519c\u6751\u73af\u5883\u4e2d\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe7\u516c\u91cc\u3002\u7531\u4e8e\u969c\u788d\u7269\u8f83\u5c11\uff0c\u4fe1\u53f7\u4f20\u64ad\u8f83\u4e3a\u987a\u7545\uff0c\u4f20\u8f93\u8ddd\u79bb\u8f83\u957f\u3002<\/p>\n\n\n\n

\u3000\u3000\u7279\u6b8a\u73af\u5883<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\uff0c\u65e0\u969c\u788d\u7269\u548c\u826f\u597d\u5929\u6c14\u4e0b\uff0cLoRa\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe\u6570\u5341\u516c\u91cc\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u5f00\u9614\u5e73\u539f\u548c\u6d77\u6d0b\u7b49\u73af\u5883\u4e2d\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u8d85\u8fc715\u516c\u91cc\u3002<\/p>\n\n\n\n

\u3000\u3000\u590d\u6742\u5730\u5f62<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5728\u9ad8\u5c71\u3001\u5ce1\u8c37\u7b49\u590d\u6742\u5730\u5f62\u4e2d\u8868\u73b0\u51fa\u8272\uff0c\u5355\u7ad9\u8986\u76d6\u8303\u56f4\u53ef\u8fbe20\u516c\u91cc\u8def\u7ebf\uff0c\u76f4\u7ebf\u8ddd\u79bb\u6700\u8fdc4.9\u516c\u91cc\u3002<\/p>\n\n\n\n

\u3000\u3000\u7b2c\u4e09\u4ee3LoRa\u6269\u9891\u6280\u672f\u5728\u667a\u6167\u519c\u573a\u6539\u9020\u9879\u76ee\u4e2d\u8986\u76d65~10\u516c\u91cc\u7684\u590d\u6742\u5730\u5f62\u901a\u4fe1\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u5ba4\u5185\u73af\u5883<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u5ba4\u5185\u73af\u5883\u4e2d\uff0c\u7531\u4e8e\u5899\u58c1\u548c\u5176\u4ed6\u7ed3\u6784\u7684\u963b\u6321\uff0c\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u8f83\u77ed\uff0c\u53ef\u80fd\u5728\u51e0\u5341\u7c73\u5230\u51e0\u767e\u7c73\u4e4b\u95f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e3a\u4e86\u4f18\u5316LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u4ee5\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u548c\u63a5\u6536\u7075\u654f\u5ea6\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u589e\u52a0\u5929\u7ebf\u589e\u76ca\u548c\u9009\u62e9\u5408\u9002\u7684\u5929\u7ebf\u7c7b\u578b\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u964d\u4f4e\u7a7a\u4e2d\u4f20\u64ad\u635f\u8017\u548c\u8f7d\u6ce2\u9891\u7387\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4f18\u5316\u7f51\u7edc\u67b6\u6784\u548c\u901a\u4fe1\u534f\u8bae\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u4e8c\u3001 LoRa\u7684\u4f20\u8f93\u901f\u7387\u3001\u53d1\u5c04\u529f\u7387\u548c\u5929\u7ebf\u589e\u76ca\u5982\u4f55\u5f71\u54cd\u5176\u4f20\u8f93\u8ddd\u79bb?<\/h2>\n\n\n\n

    \u3000\u3000LoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5176\u4e2d\u53d1\u5c04\u529f\u7387\u3001\u5929\u7ebf\u589e\u76ca\u548c\u4f20\u8f93\u901f\u7387\u662f\u5173\u952e\u56e0\u7d20\u3002\u4ee5\u4e0b\u662f\u8fd9\u4e9b\u56e0\u7d20\u5982\u4f55\u5f71\u54cdLoRa\u4f20\u8f93\u8ddd\u79bb\u7684\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n\n\n\n

    \u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a<\/p>\n\n\n\n

    \u3000\u3000\u53d1\u5c04\u529f\u7387\u662f\u5f71\u54cdLoRa\u4f20\u8f93\u8ddd\u79bb\u7684\u5173\u952e\u56e0\u7d20\u4e4b\u4e00\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u53d1\u5c04\u529f\u7387\u8d8a\u9ad8\uff0c\u4fe1\u53f7\u8986\u76d6\u7684\u8ddd\u79bb\u5c31\u8d8a\u8fdc\u3002\u8fd9\u662f\u56e0\u4e3a\u66f4\u5f3a\u7684\u53d1\u5c04\u4fe1\u53f7\u53ef\u4ee5\u7a7f\u900f\u66f4\u591a\u969c\u788d\u7269\u5e76\u4fdd\u6301\u8f83\u597d\u7684\u8d28\u91cf\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0c\u5c06LoRa\u7f51\u5173\u6a21\u5757\u7684\u53d1\u5c04\u529f\u7387\u4ece13 dBm\u63d0\u9ad8\u523019 dBm\uff0c\u589e\u52a06 dB\uff0c\u901a\u4fe1\u8ddd\u79bb\u4e5f\u5c06\u5ef6\u957f\u5230\u539f\u6765\u76842\u500d\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5929\u7ebf\u589e\u76ca<\/strong>\uff1a<\/p>\n\n\n\n

    \u3000\u3000\u5929\u7ebf\u589e\u76ca\u76f4\u63a5\u5f71\u54cd\u4fe1\u53f7\u7684\u4f20\u64ad\u8ddd\u79bb\u548c\u4fe1\u53f7\u8d28\u91cf\u3002\u9ad8\u589e\u76ca\u5929\u7ebf\u53ef\u4ee5\u663e\u8457\u63d0\u5347LoRa\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u3002\u4f8b\u5982\uff0c\u5c06\u63a5\u6536\u5929\u7ebf\u589e\u76ca\u4ece1.5 dBi\u63d0\u9ad8\u52307.5 dBi\uff0c\u901a\u4fe1\u8ddd\u79bb\u53ef\u4ee5\u5ef6\u957f\u5230\u539f\u6765\u76842\u500d\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4f7f\u7528\u589e\u76ca\u4e3a5 dBi\u7684\u5929\u7ebf\uff0c\u53ef\u4ee5\u5c06LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u589e\u52a0\u7ea61\u500d\u5de6\u53f3\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5728\u7406\u60f3\u73af\u5883\u4e2d\uff0c\u65e0\u7ebf\u901a\u4fe1\u4e2d\u6536\u3001\u53d1\u5929\u7ebf\u95f4\u8ddd\u79bbD\u4e0e\u53d1\u5c04\u5668\u7684\u53d1\u5c04\u529f\u7387\u3001\u63a5\u6536\u5668\u7684\u7075\u654f\u5ea6\u3001\u53d1\u5c04\u5929\u7ebf\u589e\u76ca\u3001\u63a5\u6536\u5929\u7ebf\u589e\u76ca\u7b49\u56e0\u7d20\u76f8\u5173\uff0c\u5176\u4e2d\u5929\u7ebf\u589e\u76ca\u8d8a\u5927\uff0c\u4f20\u5f97\u8d8a\u8fdc\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4f20\u8f93\u901f\u7387\uff08\u6570\u636e\u901f\u7387DR\uff09<\/strong>\uff1a<\/p>\n\n\n\n

    \u3000\u3000\u6570\u636e\u901f\u7387(DR)\u663e\u8457\u5f71\u54cd\u4f20\u8f93\u65f6\u957f\u548c\u80fd\u8017\u3002\u5f53DR\u8bbe\u7f6e\u8f83\u4f4e\u65f6\uff0c\u6269\u9891\u56e0\u5b50\u8f83\u5927\uff0c\u5e26\u5bbd\u8f83\u5c0f\uff0c\u4f20\u8f93\u8ddd\u79bb\u53d8\u957f\uff0c\u4f46\u4f20\u8f93\u65f6\u957f\u589e\u52a0\uff0c\u80fd\u8017\u4e5f\u76f8\u5e94\u589e\u52a0\u3002<\/p>\n\n\n\n

    \u3000\u3000\u8f83\u4f4e\u7684\u6570\u636e\u901f\u7387\u53ef\u4ee5\u589e\u52a0\u4f20\u8f93\u8ddd\u79bb\uff0c\u56e0\u4e3aLoRa\u6280\u672f\u5229\u7528\u4e86\u6269\u9891\u6280\u672f\u6765\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5176\u4ed6\u5f71\u54cd\u56e0\u7d20<\/strong>\uff1a<\/p>\n\n\n\n

    \u3000\u3000\u73af\u5883\u6761\u4ef6<\/strong>\uff1a\u89c6\u8ddd\u6761\u4ef6\u3001\u969c\u788d\u7269\u3001\u5929\u6c14\u7b49\u90fd\u4f1a\u5f71\u54cd\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0c\u4f7f\u752814 dBm\u53d1\u5c04\u529f\u7387\u548c-137 dBm\u63a5\u6536\u7075\u654f\u5ea6\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe\u7ea61\u516c\u91cc;\u800c\u5728\u519c\u6751\u73af\u5883\u4e2d\uff0c\u4f7f\u7528\u76f8\u540c\u7684\u914d\u7f6e\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe7\u516c\u91cc\u3002<\/p>\n\n\n\n

    \u3000\u3000\u63a5\u6536\u7075\u654f\u5ea6<\/strong>\uff1a\u63d0\u9ad8\u63a5\u6536\u7075\u654f\u5ea6\u53ef\u4ee5\u589e\u52a0\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u63d0\u9ad8\u63a5\u6536\u7075\u654f\u5ea6\u53ef\u4ee5\u589e\u5f3a\u63a5\u6536\u5668\u5bf9\u5f31\u4fe1\u53f7\u7684\u6355\u6349\u80fd\u529b\uff0c\u4ece\u800c\u5ef6\u957f\u901a\u4fe1\u8ddd\u79bb\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5de5\u4f5c\u9891\u7387\u548c\u8f7d\u6ce2\u9891\u7387<\/strong>\uff1a\u964d\u4f4e\u8f7d\u6ce2\u9891\u7387\u53ef\u4ee5\u51cf\u5c11\u7a7a\u4e2d\u4f20\u64ad\u635f\u8017\uff0c\u4ece\u800c\u589e\u52a0\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

    \u3000\u3000LoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u4e3b\u8981\u53d7\u53d1\u5c04\u529f\u7387\u3001\u5929\u7ebf\u589e\u76ca\u548c\u4f20\u8f93\u901f\u7387\u7684\u5f71\u54cd\u3002\u901a\u8fc7\u589e\u52a0\u53d1\u5c04\u529f\u7387\u548c\u5929\u7ebf\u589e\u76ca\uff0c\u4ee5\u53ca\u9009\u62e9\u8f83\u4f4e\u7684\u6570\u636e\u901f\u7387\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8LoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e09\u3001 \u5728\u5ba4\u5185\u73af\u5883\u4e2d\uff0cLoRa\u4f20\u8f93\u8ddd\u79bb\u964d\u4f4e\u7684\u5177\u4f53\u539f\u56e0\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

    \u3000\u3000\u5728\u5ba4\u5185\u73af\u5883\u4e2d\uff0cLoRa\u4f20\u8f93\u8ddd\u79bb\u964d\u4f4e\u7684\u5177\u4f53\u539f\u56e0\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

    \u3000\u3000\u5efa\u7b51\u7269\u6750\u8d28\u548c\u539a\u5ea6<\/strong>\uff1a\u5efa\u7b51\u7269\u7684\u6750\u8d28\u548c\u539a\u5ea6\u5bf9LoRa\u4fe1\u53f7\u7684\u7a7f\u900f\u80fd\u529b\u6709\u663e\u8457\u5f71\u54cd\u3002\u8f83\u539a\u6216\u542b\u6709\u91d1\u5c5e\u6750\u8d28\u7684\u5899\u58c1\u4f1a\u589e\u52a0\u4fe1\u53f7\u8870\u51cf\uff0c\u5bfc\u81f4\u4f20\u8f93\u8ddd\u79bb\u7f29\u77ed\u3002\u4f8b\u5982\uff0c\u73bb\u7483\u5899\u4f53\u7684\u7a7f\u900f\u8870\u8017\u76f8\u5bf9\u8f83\u5c0f\uff0c\u800c\u5176\u4ed6\u6750\u6599\u5982\u6df7\u51dd\u571f\u6216\u91d1\u5c5e\u5219\u4f1a\u663e\u8457\u589e\u52a0\u4fe1\u53f7\u635f\u8017\u3002<\/p>\n\n\n\n

    \u3000\u3000\u591a\u5f84\u6548\u5e94\u548c\u7ed5\u5c04<\/strong>\uff1a\u5728\u5ba4\u5185\u73af\u5883\u4e2d\uff0c\u4fe1\u53f7\u5728\u4f20\u64ad\u8fc7\u7a0b\u4e2d\u4f1a\u9047\u5230\u5404\u79cd\u969c\u788d\u7269\uff0c\u5bfc\u81f4\u591a\u5f84\u6548\u5e94\u548c\u7ed5\u5c04\u73b0\u8c61\u3002\u8fd9\u4e9b\u6548\u5e94\u4f1a\u5f15\u8d77\u4fe1\u53f7\u5e72\u6270\u548c\u8870\u51cf\uff0c\u4ece\u800c\u964d\u4f4e\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u4fe1\u53f7\u53ef\u80fd\u901a\u8fc7\u95e8\u7f1d\u6216\u7a97\u6237\u7ed5\u9053\u8fdb\u5165\u5176\u4ed6\u623f\u95f4\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u7a7f\u900f\u5899\u58c1\u3002<\/p>\n\n\n\n

    \u3000\u3000\u9891\u6bb5\u9009\u62e9<\/strong>\uff1a\u4e0d\u540c\u9891\u6bb5\u7684LoRa\u4fe1\u53f7\u5728\u7a7f\u900f\u80fd\u529b\u548c\u5e26\u5bbd\u4e0a\u6709\u6240\u4e0d\u540c\u3002\u4f4e\u9891\u6bb5(\u5982433 MHz)\u5177\u6709\u66f4\u597d\u7684\u7a7f\u900f\u80fd\u529b\uff0c\u800c\u9ad8\u9891\u6bb5(\u5982868 MHz\/915 MHz)\u867d\u7136\u5e26\u5bbd\u66f4\u9ad8\uff0c\u4f46\u7a7f\u900f\u80fd\u529b\u7a0d\u5dee\u3002<\/p>\n\n\n\n

    \u3000\u3000\u53d1\u5c04\u529f\u7387\u548c\u63a5\u6536\u7075\u654f\u5ea6<\/strong>\uff1a\u53d1\u5c04\u529f\u7387\u8d8a\u9ad8\uff0c\u901a\u4fe1\u8ddd\u79bb\u8d8a\u8fdc\uff0c\u4f46\u529f\u8017\u4e5f\u4f1a\u589e\u52a0\u3002\u63a5\u6536\u7075\u654f\u5ea6\u8d8a\u9ad8\uff0c\u8bbe\u5907\u53ef\u4ee5\u63a5\u6536\u66f4\u5f31\u7684\u4fe1\u53f7\uff0c\u4ece\u800c\u5ef6\u957f\u901a\u4fe1\u8ddd\u79bb\u3002\u7136\u800c\uff0c\u5728\u5ba4\u5185\u73af\u5883\u4e2d\uff0c\u7531\u4e8e\u4fe1\u53f7\u8870\u51cf\u8f83\u5927\uff0c\u5373\u4f7f\u589e\u52a0\u53d1\u5c04\u529f\u7387\u548c\u63d0\u9ad8\u63a5\u6536\u7075\u654f\u5ea6\uff0c\u4e5f\u53ef\u80fd\u65e0\u6cd5\u663e\u8457\u63d0\u5347\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5929\u7ebf\u8bbe\u8ba1<\/strong>\uff1a\u5929\u7ebf\u7684\u8bbe\u8ba1\u548c\u4f4d\u7f6e\u5bf9\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u6709\u91cd\u5927\u5f71\u54cd\u3002\u9ad8\u589e\u76ca\u5929\u7ebf\u53ef\u4ee5\u663e\u8457\u5ef6\u957f\u901a\u4fe1\u8ddd\u79bb\uff0c\u4f46\u5929\u7ebf\u7684\u4f4d\u7f6e\u548c\u65b9\u5411\u4e5f\u4f1a\u5f71\u54cd\u4fe1\u53f7\u7684\u8986\u76d6\u6548\u679c\u3002<\/p>\n\n\n\n

    \u3000\u3000\u73af\u5883\u6761\u4ef6<\/strong>\uff1a\u5ba4\u5185\u73af\u5883\u4e2d\u7684\u7535\u78c1\u5e72\u6270\u3001\u566a\u58f0\u548c\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u7684\u5e72\u6270\u4e5f\u4f1a\u5f71\u54cdLoRa\u4fe1\u53f7\u7684\u4f20\u8f93\u8d28\u91cf\u3002\u4f8b\u5982\uff0c\u5728\u9ad8\u566a\u58f0\u73af\u5883\u4e2d\uff0c\u4fe1\u53f7\u53ef\u80fd\u4f1a\u53d7\u5230\u66f4\u591a\u7684\u5e72\u6270\uff0c\u5bfc\u81f4\u4f20\u8f93\u8ddd\u79bb\u7f29\u77ed\u3002<\/p>\n\n\n\n

    \u3000\u3000\u8def\u5f84\u635f\u8017\u6307\u6570<\/strong>\uff1a\u8def\u5f84\u635f\u8017\u6307\u6570\u662f\u8861\u91cf\u4fe1\u53f7\u5728\u4f20\u64ad\u8fc7\u7a0b\u4e2d\u8870\u51cf\u7a0b\u5ea6\u7684\u91cd\u8981\u53c2\u6570\u3002\u5728\u5ba4\u5185\u73af\u5883\u4e2d\uff0c\u8def\u5f84\u635f\u8017\u6307\u6570\u901a\u5e38\u8f83\u9ad8\uff0c\u5bfc\u81f4\u4fe1\u53f7\u5f3a\u5ea6\u8fc5\u901f\u4e0b\u964d\u3002\u4f8b\u5982\uff0c\u5728\u8def\u5f84\u635f\u8017\u6307\u6570\u4e3a3\u7684\u73af\u5883\u4e2d\uff0c\u4f20\u8f931\u516c\u91cc\u7684\u4fe1\u53f7\u635f\u8017\u589e\u52a0\u4e861000\u500d\u3002<\/p>\n\n\n\n

    \u3000\u3000LoRa\u5728\u5ba4\u5185\u73af\u5883\u4e2d\u7684\u4f20\u8f93\u8ddd\u79bb\u964d\u4f4e\u4e3b\u8981\u662f\u7531\u4e8e\u5efa\u7b51\u7269\u6750\u8d28\u548c\u539a\u5ea6\u3001\u591a\u5f84\u6548\u5e94\u548c\u7ed5\u5c04\u3001\u9891\u6bb5\u9009\u62e9\u3001\u53d1\u5c04\u529f\u7387\u548c\u63a5\u6536\u7075\u654f\u5ea6\u3001\u5929\u7ebf\u8bbe\u8ba1\u4ee5\u53ca\u73af\u5883\u6761\u4ef6\u7b49\u591a\u79cd\u56e0\u7d20\u5171\u540c\u4f5c\u7528\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n

    \u3000\u3000\u56db\u3001 LoRa\u6280\u672f\u5728\u89c6\u7ebf\u8303\u56f4\u5185(LoS)\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u8fbe\u523015\u516c\u91cc\u7684\u6d4b\u8bd5\u6761\u4ef6\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

    \u3000\u3000LoRa\u6280\u672f\u5728\u89c6\u7ebf\u8303\u56f4\u5185(LoS)\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u8fbe\u523015\u516c\u91cc\u7684\u6d4b\u8bd5\u6761\u4ef6\u5305\u62ec\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n

    \u3000\u3000\u73af\u5883\u6761\u4ef6<\/strong>\uff1a\u6d4b\u8bd5\u5e94\u5728\u65e0\u969c\u788d\u7269\u7684\u5f00\u9614\u73af\u5883\u4e2d\u8fdb\u884c\uff0c\u4ee5\u786e\u4fdd\u4fe1\u53f7\u80fd\u591f\u76f4\u7ebf\u4f20\u64ad\u3002\u4f8b\u5982\uff0c\u5728\u90ca\u533a\u6216\u5f00\u9614\u5730\u5e26\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u523015\u516c\u91cc\u3002<\/p>\n\n\n\n

    \u3000\u3000\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u5728\u67d0\u4e9b\u6d4b\u8bd5\u4e2d\uff0c\u4f7f\u7528\u4e86\u8f83\u9ad8\u7684\u53d1\u5c04\u529f\u7387\uff0c\u598217dBm\uff0c\u8fd9\u6709\u52a9\u4e8e\u589e\u52a0\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

    \u3000\u3000\u8c03\u5236\u53c2\u6570<\/strong>\uff1a\u6d4b\u8bd5\u901a\u5e38\u4f7f\u7528LoRaWAN\u7684\u53c2\u6570\uff0c\u4f8b\u5982\u5e26\u5bbd\u4e3a125kHz\uff0c\u7f16\u7801\u7387\u4e3a4\/5.\u6269\u9891\u56e0\u5b50\u4e3a12.\u8fd9\u4e9b\u53c2\u6570\u6709\u52a9\u4e8e\u63d0\u9ad8\u4fe1\u53f7\u7684\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5929\u7ebf\u8bbe\u8ba1\u4e0e\u4f18\u5316<\/strong>\uff1a\u4f7f\u7528\u9ad8\u6027\u80fd\u7684\u5929\u7ebf\u8bbe\u8ba1\u548c\u4f18\u5316\uff0c\u4ee5\u786e\u4fdd\u4fe1\u53f7\u7684\u6700\u5927\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n

    \u3000\u3000\u94fe\u8def\u9884\u7b97<\/strong>\uff1aLoRa\u6280\u672f\u5177\u6709\u8f83\u9ad8\u7684\u94fe\u8def\u9884\u7b97\uff0c\u901a\u5e38\u53ef\u8fbe157dB\uff0c\u8fd9\u4f7f\u5f97\u5176\u901a\u4fe1\u8ddd\u79bb\u80fd\u591f\u8fbe\u523015\u516c\u91cc\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5b9e\u9645\u6d4b\u8bd5\u6848\u4f8b<\/strong>\uff1a\u5728\u5b9e\u9645\u6d4b\u8bd5\u4e2d\uff0c\u4f8b\u5982\u552f\u4f20\u79d1\u6280\u7684\u6d4b\u8bd5\uff0c\u63a5\u6536\u6a21\u5757\u4e0e\u53d1\u5c04\u89c2\u666f\u53f0\u4e4b\u95f4\u7684\u8ddd\u79bb\u63a5\u8fd115.1\u516c\u91cc\uff0c\u7f51\u5173\u548c\u8282\u70b9\u80fd\u591f\u7a33\u5b9a\u6536\u53d1\u4fe1\u53f7\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e94\u3001 \u5982\u4f55\u4f18\u5316LoRa\u7cfb\u7edf\u4ee5\u5b9e\u73b0\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb?<\/h2>\n\n\n\n

    \u3000\u3000\u8981\u4f18\u5316LoRa\u7cfb\u7edf\u4ee5\u5b9e\u73b0\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\u8c03\u6574\uff1a<\/p>\n\n\n\n

    \u3000\u3000\u589e\u5927\u53d1\u5c04\u7aef\u529f\u7387<\/strong>\uff1a\u63d0\u9ad8\u8282\u70b9\u7684\u53d1\u5c04\u529f\u7387(Pt\u503c)\uff0c\u7406\u8bba\u4e0a\u6bcf\u589e\u52a06dB\u7684\u529f\u7387\uff0c\u4f20\u8f93\u8ddd\u79bb\u5c06\u7ffb\u500d\u3002<\/p>\n\n\n\n

    \u3000\u3000\u63d0\u9ad8\u63a5\u6536\u7075\u654f\u5ea6<\/strong>\uff1a\u51cf\u5c0f\u63a5\u6536\u7aef\u7684\u63a5\u6536\u7075\u654f\u5ea6\u4ee3\u6570\u503c(Pr\u503c)\uff0c\u5373\u964d\u4f4e\u7f51\u5173\u4fa7\u7684Pr\u503c\uff0c\u4ee5\u83b7\u53d6\u66f4\u8fdc\u8ddd\u79bb\u3002<\/p>\n\n\n\n

    \u3000\u3000\u9009\u7528\u5408\u9002\u5929\u7ebf<\/strong>\uff1a\u9009\u62e9\u5339\u914d\u7684LoRa\u5929\u7ebf\uff0c\u5982\u76f4\u7acb\u5f0f\u677f\u5929\u7ebf\u3001\u87ba\u65cb\u5929\u7ebf\u6216\u78c1\u8d34\u5929\u7ebf\uff0c\u53ef\u5927\u5e45\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u3002\u6b64\u5916\uff0c\u4f7f\u7528\u589e\u76ca\u8f83\u5927\u7684\u5929\u7ebf(\u59825~10dBi\u7684\u5929\u7ebf)\u4e5f\u80fd\u6709\u6548\u63d0\u5347\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

    \u3000\u3000\u63d0\u9ad8\u5929\u7ebf\u9ad8\u5ea6<\/strong>\uff1a\u5c06\u5929\u7ebf\u5b89\u88c5\u5728\u8f83\u9ad8\u4f4d\u7f6e\uff0c\u5982\u5efa\u7b51\u7269\u5c4b\u9876\u6216\u5c71\u9876\uff0c\u51cf\u5c11\u969c\u788d\u7269\uff0c\u51cf\u5c11\u4fe1\u53f7\u8870\u51cf\uff0c\u6709\u6548\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4f18\u5316\u4f20\u8f93\u53c2\u6570<\/strong>\uff1a\u8c03\u6574\u4fe1\u9053\u5e26\u5bbd\u3001\u6269\u9891\u56e0\u5b50(SF)\u3001\u7ea0\u9519\u7f16\u7801\u548c\u7801\u7387\u7b49\u53c2\u6570\uff0c\u4ee5\u8fbe\u5230\u6700\u4f73\u4f20\u8f93\u6548\u679c\u3002\u4f8b\u5982\uff0c\u9009\u62e9\u8f83\u4f4e\u7684\u901a\u4fe1\u9891\u7387(\u5982433MHz)\u901a\u5e38\u80fd\u5b9e\u73b0\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

    \u3000\u3000\u91c7\u7528\u4fe1\u53f7\u589e\u5f3a\u5668<\/strong>\uff1a\u4f7f\u7528\u4fe1\u53f7\u589e\u5f3a\u5668\u653e\u5927\u65e0\u7ebf\u4fe1\u53f7\uff0c\u9002\u7528\u4e8e\u5927\u8303\u56f4\u4f20\u8f93\u573a\u5408\uff0c\u6709\u6548\u589e\u5f3aLoRa\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4f18\u5316\u4fe1\u9053\u9009\u62e9<\/strong>\uff1a\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u9891\u6bb5\uff0c\u907f\u514d\u76f8\u90bb\u9891\u9053\u5e72\u6270\uff0c\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u4f20\u8f93\u6548\u679c\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4f18\u5316\u7f51\u7edc\u62d3\u6251<\/strong>\uff1a\u6539\u5584\u4fe1\u53f7\u4f20\u8f93\u548c\u8986\u76d6\u8303\u56f4\uff0c\u786e\u4fdd\u7a33\u5b9a\u7684\u4f9b\u7535\u548c\u7535\u6e90\u7ba1\u7406\uff0c\u907f\u514d\u5e72\u6270\u548c\u529f\u8017\u4e0d\u8db3\u3002<\/p>\n\n\n\n

    \u3000\u3000\u51cf\u5c11\u4fe1\u53f7\u5e72\u6270<\/strong>\uff1a\u907f\u5f00\u7535\u78c1\u5e72\u6270\u6e90\uff0c\u5982\u90bb\u8fd1LoRa\u7f51\u7edc\u3001Wi-Fi\u4fe1\u53f7\u6216\u5176\u4ed6\u7535\u5b50\u8bbe\u5907\u7684\u7535\u78c1\u566a\u58f0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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