{"id":3966,"date":"2022-10-20T15:08:23","date_gmt":"2022-10-20T07:08:23","guid":{"rendered":"https:\/\/www.hcpk1.com\/?p=3966"},"modified":"2024-04-26T21:52:07","modified_gmt":"2024-04-26T13:52:07","slug":"%e7%89%a9%e8%81%94%e7%bd%91%e8%b7%af%e7%81%af%e6%97%a0%e7%ba%bflora%e7%bd%91%e5%85%b3%e6%a8%a1%e5%9d%97%e6%8a%80%e6%9c%af%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.hcpk1.com\/building\/3966.html","title":{"rendered":"\u7269\u8054\u7f51\u8def\u706f\u65e0\u7ebfLoRa\u7f51\u5173\u6a21\u5757\u6280\u672f\u89e3\u6790"},"content":{"rendered":"\n

Lora\u65e0\u7ebf\u6280\u672f\u57fa\u7840\u4e0e\u7279\u70b9<\/strong><\/p>\n\n\n\n

\u3000\u30001.LoRa\u662f\u4e00\u79cd\u4f4e\u529f\u8017\u5e7f\u57df\u7f51\u901a\u4fe1\uff08LPWAN\uff09\u6280\u672f\u4e2d\u7684\u4e00\u79cd\uff0c\u662fSemtech\u516c\u53f8\u91c7\u7528\u548c\u63a8\u5e7f\u7684\u4e00\u79cd\u57fa\u4e8e\u6269\u9891\u6280\u672f\u7684\u8d85\u8fdc\u8ddd\u79bb\u65e0\u7ebf\u4f20\u8f93\u6280\u672f\u3002\u6bd4sigfox\u7684FSK\u6280\u672f\u66f4\u52a0\u7075\u654f\uff0c\u4f20\u9001\u8ddd\u79bb\u66f4\u8fdc\uff0c\u66f4\u8282\u80fd\u3002<\/p>\n\n\n\n

\u3000\u30002.LoRa\u662f\u7269\u7406\u5c42\uff08PHY\uff09\u534f\u8bae\uff0c\u80fd\u88ab\u5e94\u7528\u5728\u51e0\u4e4e\u6240\u6709\u7684\u7f51\u7edc\u6280\u672f\u4e2d\u3002<\/p>\n\n\n\n

\u3000\u30003.LoRa\u6a21\u5757\u4e3b\u8981\u5728\u5168\u7403\u514d\u8d39\u9891\u6bb5\u8fd0\u884c\uff0c\u9891\u7387\u8303\u56f4\u4ece137MHz-1050MHz\uff0c\u5e38\u89c1\u7684\u4e3b\u8981\u662f433MHz\u3001868MHz\u3001915MHz\u7b49<\/p>\n\n\n\n

\u3000\u30004.LoRa\uff08\u8fdc\u7a0b\uff09\u6269\u9891\u6280\u672f\uff0c\u53ef\u89e3\u8c03\u4f4e\u4e8e-20dB\u7684\u566a\u58f0\u3002\u786e\u4fdd\u4e86\u9ad8\u7075\u654f\u5ea6\u3001\u53ef\u9760\u7684\u7f51\u7edc\u8fde\u63a5\uff0c\u540c\u65f6\u63d0\u9ad8\u4e86\u7f51\u7edc\u6548\u7387\u5e76\u6d88\u9664\u4e86\u5e72\u6270\u3002<\/p>\n\n\n\n

\u3000\u30005.LoRa\u65e0\u9700\u518d\u501f\u52a9\u4e2d\u7ee7\u5668\uff0c\u6781\u5927\u5730\u7b80\u5316\u4e86\u7cfb\u7edf\u8bbe\u8ba1\u5e76\u964d\u4f4e\u4e86\u603b\u90e8\u7f72\u6210\u672c\u3002<\/p>\n\n\n\n

\u3000\u30006.\u76f8\u8f83\u4e8e3G\u548c4G\u8702\u7a9d\u7f51\u7edc\uff0cLoRa\u65e0\u7ebf\u6280\u672f<\/strong>\u5bf9\u5d4c\u5165\u5f0f\u5e94\u7528\u800c\u8a00\u53ef\u6269\u5c55\u6027\u66f4\u5f3a\uff0c\u6027\u4ef7\u6bd4\u66f4\u9ad8<\/p>\n\n\n\n

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

\u3000\u3000LoRaWAN\u7ec4\u7f51<\/strong><\/p>\n\n\n\n

\u3000\u3000LoRaWAN\u662f LoRa\u8054\u76df\u63a8\u51fa\u7684\u57fa\u4e8e\u5f00\u6e90\u7684MAC\u5c42\u534f\u8bae\u7684\u4f4e\u529f\u8017\u5e7f\u57df\u7f51\u6807\u51c6\uff0c\u4e3aMAC\u5c42\u53ca\u4e4b\u4e0a\uff0c\u4e3b\u8981\u589e\u52a0\u4e86GateWay\u548cLoRa Server\uff0c\u4fbf\u4e8e\u8fdc\u7a0b\u96c6\u4e2d\u5f0f\u63a7\u5236\u3002\u662f\u4e00\u79cd\u5178\u578b\u7684\u661f\u5f62\u62d3\u6251\u7ed3\u6784\uff0c\u5728\u8fd9\u4e2a\u7f51\u7edc\u67b6\u6784\u4e2d\uff0cLoRa\u7f51\u5173\u662f\u4e00\u4e2a\u900f\u660e\u4f20\u8f93\u7684\u4e2d\u7ee7\uff0c\u8fde\u63a5\u7ec8\u7aef\u8bbe\u5907\u548c\u540e\u7aef\u4e2d\u592e\u670d\u52a1\u5668\u3002\u7f51\u5173\u4e0e\u670d\u52a1\u5668\u95f4\u901a\u8fc7\u6807\u51c6IP\u8fde\u63a5\uff0c\u7ec8\u7aef\u8bbe\u5907\u91c7\u7528\u5355\u8df3\u4e0e\u4e00\u4e2a\u6216\u591a\u4e2a\u7f51\u5173\u901a\u4fe1\u3002\u6240\u6709\u7684\u8282\u70b9\u4e0e\u7f51\u5173\u95f4\u5747\u662f\u53cc\u5411\u901a\u4fe1\uff0c\u540c\u65f6\u4e5f\u652f\u6301\u4e91\u7aef\u5347\u7ea7\u7b49\u64cd\u4f5c\u4ee5\u51cf\u5c11\u4e91\u7aef\u901a\u8baf\u65f6\u95f4\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa Server<\/strong><\/p>\n\n\n\n

\u3000\u30001.\u63d0\u4f9b\u63a5\u5165\u63a7\u5236<\/strong><\/p>\n\n\n\n

\u3000\u3000\u7b26\u5408LoRaWAN\u6807\u51c6\u7684\u6a21\u5757\u3001\u7f51\u5173\u5747\u80fd\u63a5\u5165LoRa\u7f51\u7edc\uff0c\u4f46\u662f\u4e92\u8054\u4e92\u901a\u5b58\u5728\u4e00\u4e2a\u9274\u6743\u7684\u8fc7\u7a0b\uff0c\u76ee\u524d\u9274\u6743\u5728Server\u4e0a\u5b8c\u6210\u3002<\/p>\n\n\n\n

\u3000\u30002.\u6570\u636e\u4f20\u8f93\u4e0e\u7ba1\u7406<\/strong><\/p>\n\n\n\n

\u3000\u3000Server\u4f5c\u4e3a\u7f51\u5173\u4e0e\u4e91\u7aef\u7684\u534f\u8bae\u5904\u7406\u5668\uff0c\u80fd\u5b9e\u73b0\u201c\u7f51\u5173\u2014Server\u2014\u4e91\u201d\u95f4\u6570\u636e\u7684\u53cc\u5411\u4f20\u8f93\u3001\u591a\u6b21\u52a0\u5bc6\uff08\u4ee5\u786e\u4fdd\u4f20\u8f93\u7684\u5b89\u5168\u6027\uff09\uff0c\u5e76\u80fd\u8fdb\u884c\u4f20\u8f93\u6d41\u91cf\u7edf\u8ba1\u3001\u4f20\u8f93\u72b6\u6001\u76d1\u6d4b\u3002<\/p>\n\n\n\n

\u3000\u30003.\u7f51\u5173\u7ba1\u7406\u4e0e\u914d\u7f6e<\/strong><\/p>\n\n\n\n

\u3000\u3000\u5bf9\u7f51\u5173\u8fdb\u884c\u9891\u70b9\u914d\u7f6e\u3001\u7f51\u5173\u72b6\u6001\u4fe1\u606f\u4e0a\u62a5\u7b49\uff0c\u591a\u4e2a\u7f51\u5173\u53ef\u8fde\u63a5\u5230\u540c\u4e00\u4e2aLoRaWAN Server\u4e2d\uff0cServer\u80fd\u5c06\u63a5\u6536\u5230\u7684\u91cd\u590d\u4fe1\u53f7\u8fdb\u884c\u9274\u522b\uff0c\u5254\u51fa\u65e0\u6548\u7684\u6570\u636e\uff0c\u5e76\u9009\u62e9\u6700\u6709\u6548\u7684\u4e0b\u884c\u7f51\u5173\uff0c\u5c06\u201c\u54cd\u5e94\u201d\u9ad8\u6548\u5730\u53d1\u9001\u5230\u6a21\u5757\u7ec8\u7aef\u3002<\/p>\n\n\n\n

\u3000\u30004.\u7ec8\u7aef\u8282\u70b9\u7ba1\u7406\u4e0e\u914d\u7f6e<\/strong><\/p>\n\n\n\n

\u3000\u3000Server\u80fd\u8bc6\u522b\u4e0d\u540c\u7ec8\u7aef\u8282\u70b9\uff0c\u5bf9\u8282\u70b9\u505a\u51fa\u5141\u8bb8\u63a5\u5165\/\u62d2\u7edd\u63a5\u5165\u54cd\u5e94\uff0c\u5e76\u80fd\u7a7a\u4e2d\u6fc0\u6d3b\u7ec8\u7aef\u8282\u70b9\uff08 Over-the-Air Activation \uff09<\/p>\n\n\n\n

\u3000\u3000Server\u80fd\u5b9e\u73b0\u7ec8\u7aef\u901f\u7387\u81ea\u9002\u5e94\uff08ADR\uff09\u4e0e\u6f2b\u6e38\uff08\u5373\u652f\u6301\u7ec8\u7aef\u5728\u4e0d\u540c\u7f51\u5173\u8986\u76d6\u8303\u56f4\u5185\u81ea\u7531\u79fb\u52a8\uff09\u3002<\/p>\n\n\n\n

\u3000\u30005.\u4e91\u5e73\u53f0\u901a\u4fe1<\/strong><\/p>\n\n\n\n

\u3000\u3000Server\u7aef\u80fd\u8fdb\u884c\u6570\u636e\u683c\u5f0f\u8f6c\u6362\u4e0e\u6570\u636e\u8f6c\u53d1\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u4e91\u5e73\u53f0\u95f4\u6570\u636e\u5171\u4eab\u6216\u4f20\u8f93\u7684\u8981\u6c42\u3002\u4e0e\u4e91\u5e73\u53f0\u5b9e\u73b0\u8ba1\u8d39\u7ba1\u7406\uff0c\u7528\u6237\u7ba1\u7406\uff0c\u6d41\u91cf\u63a7\u5236\uff0c\u6570\u636e\u5b58\u50a8\uff0c\u5927\u6570\u636e\u5206\u6790, \u6570\u636e\u53ef\u89c6\u5316\u7b49\u529f\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u7f51\u5173<\/strong>\uff08Gateway\uff09\uff0c\u6216\u79f0\u4e3a LoRa \u57fa\u7ad9<\/p>\n\n\n\n

\u3000\u30001.\u4f4d\u5904LoRa\u661f\u5f62\u7f51\u7edc\u7684\u6838\u5fc3\u4f4d\u7f6e\uff0c\u662f\u7ec8\u7aef\u548c\u670d\u52a1\u5668\uff08Server\uff09\u95f4\u7684\u4fe1\u606f\u6865\u6881\uff0c\u662f\u591a\u4fe1\u9053\u7684\u6536\u53d1\u673a\u3002<\/p>\n\n\n\n

\u3000\u30002.\u7f51\u5173\u4e0e\u7f51\u7edc\u670d\u52a1\u5668\u95f4\u901a\u8fc7\u6807\u51c6IP\u8fdb\u884c\u8fde\u63a5\uff0c\u7ec8\u7aef\u901a\u8fc7\u5355\u8df3\u4e0e\u4e00\u4e2a\u6216\u591a\u4e2a\u7f51\u5173\u8fdb\u884c\u901a\u8baf\u3002<\/p>\n\n\n\n

\u3000\u30003.\u7f51\u5173\u5bb9\u91cf\uff1a\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\u7f51\u5173\u63a5\u6536\u6570\u636e\u5305\u6570\u91cf\u7684\u80fd\u529b\uff0c\u7f51\u5173\u63a5\u5165\u7ec8\u7aef\u6570\u91cf\u6700\u7ec8\u8fd8\u662f\u4e0e\u7f51\u5173\u4fe1\u9053\u6570\u91cf\u3001\u7ec8\u7aef\u53d1\u5305\u9891\u7387\u3001\u53d1\u5305\u5b57\u8282\u6570\u548c\u6269\u9891\u56e0\u5b50\u606f\u606f\u76f8\u5173\u3002\u4e00\u822c2000\u4e2a\u5de6\u53f3\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u7ec8\u7aef\uff08Node\uff09<\/strong><\/p>\n\n\n\n

\u3000\u30001.LoRa\u7ec8\u7aef\u662fLoRa\u7f51\u7edc\u7684\u7ec4\u6210\u90e8\u5206\uff0c\u4e00\u822c\u7531LoRa\u6a21\u5757\u548c\u4f20\u611f\u5668\u7b49\u5668\u4ef6\u7ec4\u6210\u3002<\/p>\n\n\n\n

\u3000\u30002.LoRa\u7ec8\u7aef\u53ef\u4f7f\u7528\u7535\u6c60\u4f9b\u7535\uff0c\u80fd\u591f\u8fdc\u7a0b\u5b9a\u4f4d\u3002<\/p>\n\n\n\n

\u3000\u30003.\u901a\u8fc7\u589e\u52a0\u79c1\u6709\u7684\u534f\u8bae\uff0c\u53ef\u4ee5\u652f\u6301Node\u5230Node\u95f4\u7684\u901a\u4fe1\u3002\u76ee\u524d\u4e3b\u8981\u7528\u5728\u5c0f\u533a\u6d41\u52a8\u6284\u8868\uff08\u6284\u8868\u4eea\u4e5f\u662fNode\uff0c\u4e0d\u7ecf\u7f51\u5173\uff0c\u8d39\u7535\uff0c\u4f46\u4e00\u6708\u4e00\u6b21\uff09\u3002<\/p>\n\n\n\n

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

\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u4f18\u52a3\u52bf<\/strong><\/p>\n\n\n\n

\"QQ\u622a\u56fe20200103160810\"<\/figure>\n\n\n\n

LoRa\u6280\u672f\u7279\u70b9<\/strong><\/p>\n\n\n\n

\u4e00\uff1a\u6297\u5e72\u6270<\/strong><\/p>\n\n\n\n

\u3000\u3000\u6297\u5e72\u6270\uff1aLoRa\u65e0\u7ebf\u6280\u672f\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u6269\u9891\u6280\u672f\uff0c\u901a\u8fc7\u4f7f\u7528\u9ad8\u6269\u9891\u56e0\u5b50\uff0cLoRa \u6280\u672f\u53ef\u5c06\u5c0f\u5bb9\u91cf\u6570\u636e\u901a\u8fc7\u5927\u8303\u56f4\u7684\u65e0\u7ebf\u7535\u9891\u8c31\u4f20\u8f93\u51fa\u53bb\uff0c\u5373\u4fbf\u4f7f\u7528\u76f8\u540c\u7684\u9891\u7387\u540c\u65f6\u53d1\u9001\u4fe1\u53f7\u5230\u4e3b\u673a\u4e0a\u4e5f\u4e0d\u4f1a\u76f8\u4e92\u5e72\u6270\uff0c\u89e3\u51b3\u4e86\u65e0\u7ebf\u6280\u672f\u5bb9\u6613\u53d7\u5e72\u6270\u7684\u8001\u6bdb\u75c5\u3002<\/p>\n\n\n\n

\u4e8c\uff1a\u4f20\u8f93\u8ddd\u79bb\u8fdc<\/strong><\/p>\n\n\n\n

\u4f20\u8f93\u8ddd\u79bb\u8fdc\uff1aLoRa \u53ef\u89e3\u8c03\u4e00\u4e2a\u4fe1\u53f7\uff0c\u5176\u4fe1\u566a\u6bd4-20dB\uff0c\u76f8\u6bd4\u8c03\u9891\u5236\u5f0f\u6700\u4f18\u7684\u8c03\u9891\u65b9\u5f0fFSK\u8fd8\u9ad8\u51fa\u4e8630dB\uff0c\u8fd9\u76f8\u5f53\u4e8e\u8303\u56f4\u548c\u8ddd\u79bb\u6269\u5927\u4e86\u5f88\u591a\u500d\u3002\u5728\u6237\u5916\u73af\u5883\u4e0b\uff0c6dB \u7684\u5dee\u8ddd\u5c31\u53ef\u4ee5\u5b9e\u73b02 \u500d\u4e8e\u539f\u6765\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c30dB \u76f8\u5f53\u4e8e\u5728 FSK\u7684\u57fa\u7840\u4e0a\u5b9e\u73b0\u4e865\u500d\u7684\u8ddd\u79bb\u3002<\/p>\n\n\n\n

\u4e09\uff1a\u7a7f\u900f\u529b\u66f4\u5f3a<\/strong><\/p>\n\n\n\n

LoRa \u4f7f\u7528\u7684\u4f20\u8f93\u9891\u7387433mhz \u6216868mhz,\u7a7f\u5899\u80fd\u529b\u5f3a\u3002<\/p>\n\n\n\n

\u56db\uff1a\u5b89\u5168\u6027\u6781\u9ad8<\/strong><\/p>\n\n\n\n

\u3000 \u5b89\u5168\u6027\u6781\u9ad8\uff1aLoRa\u6a21\u5757\u5728\u65e0\u7ebf\u901a\u8baf\u6280\u672f\u65b9\u9762\u5b89\u5168\u6027\u6781\u9ad8\uff0c\u91c7\u7528\u7684\u662f\u5d4c\u5165\u5f0f\u70b9\u5bf9\u70b9 AES-128 \u6570\u636e\u52a0\u5bc6\u6280\u672f\uff0c\u89e3\u51b3\u4e86\u667a\u80fd\u9501 \u4e0e\u7f51\u5173\u4e4b\u95f4\u4f20\u8f93\u7684\u5b89\u5168\u6027\u95ee\u9898\u3002\u201cLoRa \u7ec8\u7aef+LoRa \u98ce\u5934\u201d\u6210\u4e3a\u7269\u8054\u7f51\u5927\u89c4\u6a21\u63a8\u5e7f\u5e94\u7528\u7684\u4e00\u79cd\u7406\u60f3\u7684\u6280\u672f\u9009\u62e9\u3002<\/p>\n\n\n\n

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