{"id":99157,"date":"2024-11-13T18:04:05","date_gmt":"2024-11-13T10:04:05","guid":{"rendered":"\/\/www.viralrail.com\/?p=99157"},"modified":"2024-11-13T18:04:09","modified_gmt":"2024-11-13T10:04:09","slug":"lwxtpjsjs","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99157.html","title":{"rendered":"LoRa\u65e0\u7ebf\u8c03\u9891\u6280\u672f\u4ecb\u7ecd"},"content":{"rendered":"\n

\u3000\u3000LoRa<\/a>(Long Range)\u65e0\u7ebf\u8c03\u9891\u6280\u672f<\/strong>\u662f\u4e00\u79cd\u4e13\u4e3a\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u8bbe\u8ba1\u7684\u7ebf\u6027\u8c03\u9891\u6269\u9891\u8c03\u5236\u65e0\u7ebf\u901a\u8baf\u6280\u672f\uff0c\u7531\u7f8e\u56fdSemtech\u516c\u53f8\u5f00\u53d1\u5e76\u63a8\u5e7f\u3002LoRa\u6280\u672f\u7684\u6838\u5fc3\u662f\u7ebf\u6027\u8c03\u9891\u6269\u9891(CSS)\u8c03\u5236\uff0c\u901a\u8fc7\u5728\u8f83\u5bbd\u7684\u9891\u5e26\u4e0a\u53d1\u9001\u4fe1\u53f7\u6765\u62b5\u6297\u591a\u5f84\u8870\u843d\u548c\u5e72\u6270\uff0c\u4ece\u800c\u5b9e\u73b0\u957f\u8ddd\u79bb\u901a\u4fe1\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5177\u6709\u4e09\u5927\u7279\u70b9\uff1a\u4f4e\u529f\u8017\u3001\u8fdc\u8ddd\u79bb\u901a\u4fe1\u548c\u4f4e\u901f\u7387\u3002\u5176\u8fdc\u8ddd\u79bb\u901a\u4fe1\u80fd\u529b\u5f97\u76ca\u4e8e\u6269\u9891\u6280\u672f\uff0c\u8be5\u6280\u672f\u80fd\u6709\u6548\u62b5\u6297\u566a\u58f0\u548c\u5176\u4ed6\u4fe1\u53f7\u5e72\u6270\uff0c\u63d0\u9ad8\u4fe1\u566a\u6bd4\u3002LoRa\u4f7f\u7528\u6269\u9891\u56e0\u5b50(SF)\u3001\u4fe1\u53f7\u5e26\u5bbd(BW)\u548c\u7f16\u7801\u7387(CR)\u7b49\u53c2\u6570\u6765\u8c03\u6574\u901a\u4fe1\u6027\u80fd\u3002\u6269\u9891\u56e0\u5b50\u8d8a\u5927\uff0c\u4f20\u8f93\u901f\u7387\u8d8a\u4f4e\uff0c\u4f46\u6297\u5e72\u6270\u80fd\u529b\u8d8a\u5f3a\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u8c03\u5236\u8fc7\u7a0b\u5305\u62ec\u5c06\u6570\u636e\u6d41\u8fdb\u884c\u6269\u9891\u5904\u7406\uff0c\u5c06\u9891\u5e26\u6269\u5c55\u5230\u8d85\u8fc7\u539f\u59cb\u901f\u7387\u7684\u8303\u56f4\uff0c\u4ece\u800c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u9c81\u68d2\u6027\u3002\u8fd9\u79cd\u8c03\u5236\u65b9\u5f0f\u7ed3\u5408\u4e86\u524d\u5411\u7ea0\u9519(FEC)\u529f\u80fd\uff0c\u663e\u8457\u63d0\u9ad8\u4e86\u63a5\u6536\u7075\u654f\u5ea6\u3002LoRa\u901a\u5e38\u5de5\u4f5c\u5728\u672a\u6388\u6743\u7684ISM\u9891\u6bb5\uff0c\u5982433 MHz\u3001868 MHz\u548c915 MHz\uff0c\u9002\u7528\u4e8e\u7269\u8054\u7f51(IoT)\u7b49\u9700\u8981\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000LoRaWAN<\/a>\u662f\u57fa\u4e8eLoRa\u6280\u672f\u7684\u5f00\u653e\u6807\u51c6\uff0c\u5b9a\u4e49\u4e86LPWAN\u6280\u672f<\/a>\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u652f\u6301\u5927\u89c4\u6a21\u7684LoRa\u8bbe\u5907\u7f51\u7edc\u8fde\u63a5\u548c\u7ba1\u7406\u3002LoRaWAN\u7f51\u7edc\u901a\u5e38\u91c7\u7528\u661f\u578b\u62d3\u6251\u7ed3\u6784\uff0c\u7ec8\u7aef\u8bbe\u5907\u901a\u8fc7\u5355\u8df3\u901a\u4fe1\u8fde\u63a5\u5230\u4e00\u4e2a\u6216\u591a\u4e2a\u7f51\u5173\uff0c\u7136\u540e\u901a\u8fc7\u4e92\u8054\u7f51\u8fde\u63a5\u5230\u7f51\u7edc\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u56e0\u5176\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u5f3a\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5728\u667a\u6167\u793e\u533a\u3001\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u8868\u8ba1\u3001\u667a\u6167\u519c\u4e1a\u7b49\u591a\u4e2a\u5782\u76f4\u884c\u4e1a\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u65e0\u7ebf\u8c03\u9891\u6280\u672f\u7684\u6700\u65b0\u53d1\u5c55\u548c\u6539\u8fdb<\/h2>\n\n\n\n

\u3000\u3000LoRa\u65e0\u7ebf\u8c03\u9891\u6280\u672f\u7684\u6700\u65b0\u53d1\u5c55\u548c\u6539\u8fdb\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u8c03\u5236\u6280\u672f\u7684\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000LoRa\u8c03\u5236\u6280\u672f\u7ed3\u5408\u4e86\u73b0\u6709\u7684CSS(Chirp Spread Spectrum)\u6280\u672f\uff0c\u901a\u8fc7\u7ebf\u6027\u53d8\u5316\u7684chirp\u8109\u51b2\u7f16\u7801\u4fe1\u606f\uff0c\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u901a\u4fe1\u8ddd\u79bb\u3002<\/p>\n\n\n\n

\u3000\u3000\u65b0\u578b\u7684chirp\u53d1\u5c04\u5668\u548c\u6b63\u4ea4chirp\u53d1\u751f\u5668(OCGs)\u8bbe\u8ba1\u4ee5\u53ca\u76f8\u79fbCSS(PS-CSS)\u6280\u672f\u88ab\u5f15\u5165\uff0c\u4ee5\u63d0\u9ad8\u4f20\u8f93\u901f\u7387\u548c\u9891\u8c31\u6548\u7387\u3002\u4f8b\u5982\uff0cPS-CSS\u53ef\u4ee5\u5728\u4fdd\u6301\u4f4e\u6210\u672c\u7684\u540c\u65f6\u589e\u52a0\u6700\u591a33%\u7684\u4f20\u8f93\u901f\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000IQCSS\u548cDCRK-CSS\u7b49\u66ff\u4ee3\u7684chirp\u6269\u9891\u6280\u672f\u4e5f\u88ab\u63d0\u51fa\uff0c\u5206\u522b\u58f0\u79f0\u53ef\u4ee5\u5c06\u541e\u5410\u91cf\u63d0\u9ad8\u4e00\u500d\u548c50%\uff0c\u4e14\u5728\u76f8\u540c\u4f20\u8f93\u529f\u7387\u4e0b\u5b9e\u73b0\u3002<\/p>\n\n\n\n

\u3000\u30002. \u6570\u636e\u901f\u7387\u548c\u5bb9\u91cf\u63d0\u5347<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u901a\u8fc7\u4f7f\u7528\u4ea4\u7ec7\u8c03\u9891\u6269\u5c55(Interleaved Chirp Spreading)\u3001\u659c\u5761\u504f\u79fb\u952e\u63a7(Slope-shift Keying)\u3001OQAM\/FBMC\u7b49\u8c03\u5236\u6280\u672f\uff0cLoRa\u7684\u5bb9\u91cf\u548c\u6027\u80fd\u5f97\u5230\u4e86\u663e\u8457\u63d0\u5347\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728LoRaWAN\u534f\u8bae\u4e2d\uff0c\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387(ADR)\u673a\u5236\u53ef\u4ee5\u6839\u636e\u8fd0\u884c\u73af\u5883\u52a8\u6001\u8c03\u6574\u6570\u636e\u901f\u7387\uff0c\u4ece\u800c\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u30003. \u6297\u5e72\u6270\u80fd\u529b\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000LoRa\u8c03\u5236\u89e3\u8c03\u5668\u5177\u6709\u4f18\u5f02\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u80fd\u591f\u6291\u5236\u9ad8\u8fbe19.5 dB\u7684\u540c\u4fe1\u9053GMSK\u5e72\u6270\uff0c\u4f7f\u5176\u80fd\u591f\u5728\u91cd\u8c31\u4f7f\u7528\u9891\u6bb5\u6216\u6df7\u5408\u901a\u4fe1\u7f51\u7edc\u4e2d\u5171\u5b58\u3002<\/p>\n\n\n\n

\u3000\u3000\u65b0\u578b\u8c03\u5236\u65b9\u6848\u5229\u7528\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362(FFT)\u548c\u76f8\u5173\u6027\u68c0\u6d4b\u6280\u672f\uff0c\u8fdb\u4e00\u6b65\u6539\u5584\u4e86\u89e3\u8c03\u6027\u80fd\uff0c\u5728\u6bd4\u7279\u8bef\u7801\u7387\u4e3a10^-4\u65f6\uff0c\u6027\u80fd\u63d0\u5347\u8d85\u8fc73dB\u3002<\/p>\n\n\n\n

\u3000\u30004. \u7269\u7406\u5c42\u5b9e\u73b0\u548c\u7075\u6d3b\u6027<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000LoRa\u5b8c\u5168\u57fa\u4e8e\u7269\u7406\u5c42\u5b9e\u73b0\uff0c\u5229\u7528\u7a7a\u6c14\u4f5c\u4e3a\u4ecb\u8d28\u6765\u4f20\u8f93\u5c04\u9891\u4fe1\u53f7\uff0c\u8fd9\u4f7f\u5f97\u5176\u5728\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u4e2d\u7684\u5e94\u7528\u66f4\u52a0\u7075\u6d3b\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u8c03\u5236\u6d89\u53ca\u4e09\u4e2a\u53c2\u6570\uff1a\u5e26\u5bbd(BW)\u3001\u4f20\u8f93\u529f\u7387(TP)\u548c\u7801\u7387(CR)\uff0c\u8fd9\u4e9b\u53c2\u6570\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u8c03\u6574\uff0c\u4ee5\u4f18\u5316\u6570\u636e\u901f\u7387\u3001\u9519\u8bef\u66f4\u6b63\u80fd\u529b\u548c\u901a\u4fe1\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u30005. \u65b0\u578b\u786c\u4ef6\u548c\u8f6f\u4ef6\u89e3\u7801\u5668<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u591a\u901a\u9053\u8f6f\u4ef6\u89e3\u7801\u5668\u548c\u5e76\u53d1\u4f20\u8f93\u6280\u672f\u7684\u5e94\u7528\u63d0\u5347\u4e86LoRa\u7f51\u7edc\u7684\u541e\u5410\u91cf\u548c\u6574\u4f53\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000\u9488\u5bf9\u4e0d\u540c\u9891\u6bb5(\u59822.4 GHz)\u7684\u901a\u4fe1\u94fe\u8def\u548c\u8303\u56f4\u7684\u7814\u7a76\uff0c\u4ee5\u53ca\u4e0eWiFi\u3001BLE\u3001Sig-Fox\u3001NB-IoT\u7b49\u65e0\u7ebf\u901a\u4fe1\u6807\u51c6\u7684\u517c\u5bb9\u6027\u7814\u7a76\uff0c\u8fdb\u4e00\u6b65\u6269\u5c55\u4e86LoRa\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u30006. \u5b89\u5168\u6027\u589e\u5f3a<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000LoRaWAN v1.1\u534f\u8bae\u7684\u5b89\u5168\u98ce\u9669\u5206\u6790\u548c\u5e94\u5bf9\u7b56\u7565\uff0c\u5305\u62ec\u5bf9\u5a01\u80c1\u7684\u8be6\u7ec6\u8bc4\u4f30\u548c\u7f51\u7edc\u5b89\u5168\u5efa\u8bae\uff0c\u63d0\u9ad8\u4e86LoRa\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 LoRa\u4e0eLoRaWAN\u6280\u672f\u7684\u5177\u4f53\u533a\u522b\u548c\u8054\u7cfb<\/h2>\n\n\n\n

\u3000\u3000LoRa\u548cLoRaWAN\u662f\u7269\u8054\u7f51(IoT)\u9886\u57df\u4e2d\u4e24\u79cd\u91cd\u8981\u7684\u6280\u672f\uff0c\u5b83\u4eec\u4e4b\u95f4\u5b58\u5728\u660e\u663e\u7684\u533a\u522b\u548c\u7d27\u5bc6\u7684\u8054\u7cfb\u3002<\/p>\n\n\n\n

\u3000\u30001. \u533a\u522b<\/h3>\n\n\n\n

\u3000\u3000\u5c42\u6b21\u7ed3\u6784<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000LoRa<\/strong>\uff1aLoRa\u662f\u4e00\u79cd\u7269\u7406\u5c42(PHY Layer)\u6280\u672f\uff0c\u91c7\u7528\u6269\u9891\u65e0\u7ebf\u8c03\u5236\u6280\u672f\uff0c\u5229\u7528chirp spread spectrum(CSS)\u5b9e\u73b0\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u901a\u4fe1\u3002\u5b83\u4e3b\u8981\u8d1f\u8d23\u4fe1\u53f7\u7684\u8c03\u5236\u548c\u4f20\u8f93\uff0c\u5de5\u4f5c\u5728\u7279\u5b9a\u7684ISM\u9891\u6bb5\u4e0a\u3002<\/p>\n\n\n\n

\u3000\u3000LoRaWAN<\/strong>\uff1aLoRaWAN\u5219\u662f\u4e00\u79cd\u57fa\u4e8eLoRa\u7269\u7406\u5c42\u7684\u5a92\u4f53\u8bbf\u95ee\u63a7\u5236(MAC)\u5c42\u534f\u8bae\u6807\u51c6\u3002\u5b83\u5b9a\u4e49\u4e86\u7f51\u7edc\u7684\u901a\u4fe1\u534f\u8bae\u548c\u7cfb\u7edf\u67b6\u6784\uff0c\u5305\u62ec\u7ec8\u7aef\u8bbe\u5907\u4e0e\u7f51\u5173\u4e4b\u95f4\u7684\u901a\u4fe1\u65b9\u5f0f\u3001\u6570\u636e\u4f20\u8f93\u673a\u5236\u3001\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000\u529f\u80fd\u4e0e\u7279\u6027<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000LoRa<\/strong>\uff1aLoRa\u7684\u5173\u952e\u7279\u6027\u5305\u62ec\u8d85\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u4f20\u8f93(\u57ce\u5e02\u5730\u533a\u53ef\u8fbe5\u516c\u91cc\uff0c\u519c\u6751\u5730\u533a\u53ef\u8fbe10\u82f1\u91cc\u6216\u66f4\u8fdc)\uff0c\u4ee5\u53ca\u5bf9\u5e72\u6270\u7684\u9c81\u68d2\u6027\u3002\u5176\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\uff0c\u4f46\u53ef\u4ee5\u652f\u6301\u957f\u8fbe10\u5e74\u7684\u7535\u6c60\u5bff\u547d\u3002<\/p>\n\n\n\n

\u3000\u3000LoRaWAN<\/strong>\uff1aLoRaWAN\u5219\u63d0\u4f9b\u4e86\u591a\u4fe1\u9053\u63a5\u5165\u3001\u9891\u7387\u5207\u6362\u3001\u81ea\u9002\u5e94\u901f\u7387\u3001\u4fe1\u9053\u7ba1\u7406\u3001\u5b9a\u65f6\u6536\u53d1\u3001\u8282\u70b9\u63a5\u5165\u8ba4\u8bc1\u4e0e\u6570\u636e\u52a0\u5bc6\u3001\u6f2b\u6e38\u7b49\u529f\u80fd\u3002\u5b83\u652f\u6301\u661f\u578b\u7f51\u7edc\u62d3\u6251\uff0c\u7ec8\u7aef\u8bbe\u5907\u901a\u8fc7\u5355\u8df3\u6216\u53cc\u8df3\u65b9\u5f0f\u8fde\u63a5\u5230\u7f51\u5173\uff0c\u5e76\u6700\u7ec8\u5c06\u6570\u636e\u53d1\u9001\u5230\u7f51\u7edc\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n

\u3000\u3000\u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000LoRa<\/strong>\uff1a\u7531\u4e8e\u5176\u4f4e\u529f\u8017\u548c\u957f\u8ddd\u79bb\u7684\u7279\u70b9\uff0cLoRa\u9002\u7528\u4e8e\u9700\u8981\u8986\u76d6\u5e7f\u57df\u4e14\u6570\u636e\u4f20\u8f93\u91cf\u8f83\u5c0f\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u8fdc\u7a0b\u76d1\u63a7\u3001\u73af\u5883\u76d1\u6d4b\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000LoRaWAN<\/strong>\uff1aLoRaWAN\u5219\u66f4\u9002\u5408\u9700\u8981\u5927\u91cf\u4f4e\u529f\u8017\u8bbe\u5907\u548c\u5c0f\u578b\u6570\u636e\u6536\u96c6\u80fd\u529b\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u667a\u6167\u519c\u4e1a\u3001\u5b89\u9632\u7cfb\u7edf\u7b49\u3002\u5b83\u80fd\u591f\u5904\u7406\u975e\u5b9e\u65f6\u7cfb\u7edf\u4e2d\u7684\u5c0f\u6570\u636e\u5305\u4f20\u8f93\uff0c\u5e76\u4e14\u5177\u6709\u8f83\u597d\u7684\u7f51\u7edc\u6269\u5c55\u6027\u548c\u670d\u52a1\u8d28\u91cf\u4fdd\u969c\u3002<\/p>\n\n\n\n

\u3000\u30002. \u8054\u7cfb<\/h3>\n\n\n\n

\u3000\u3000\u4f9d\u8d56\u5173\u7cfb<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000LoRaWAN\u4f9d\u8d56\u4e8eLoRa\u7269\u7406\u5c42\u6280\u672f\u6765\u5b9e\u73b0\u957f\u8ddd\u79bb\u901a\u4fe1\u94fe\u8def\u3002\u6ca1\u6709LoRa\u7684\u7269\u7406\u5c42\u8c03\u5236\u6280\u672f\uff0cLoRaWAN\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n\n\n\n

\u3000\u3000\u6807\u51c6\u5316\u4e0e\u5f00\u653e\u6027<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u867d\u7136LoRa\u672c\u8eab\u662f\u4e00\u79cd\u4e13\u6709\u6280\u672f\uff0c\u4f46LoRaWAN\u4f5c\u4e3a\u4e00\u4e2a\u5f00\u653e\u6807\u51c6\uff0c\u7531LoRa\u8054\u76df\u7ef4\u62a4\u548c\u63a8\u5e7f\uff0c\u4f7f\u5f97\u4e0d\u540c\u5382\u5546\u4e4b\u95f4\u7684\u8bbe\u5907\u53ef\u4ee5\u4e92\u64cd\u4f5c\u3002<\/p>\n\n\n\n

\u3000\u3000\u5171\u540c\u76ee\u6807<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000LoRa\u548cLoRaWAN\u5171\u540c\u7684\u76ee\u6807\u662f\u4e3a\u7269\u8054\u7f51\u5e94\u7528\u63d0\u4f9b\u4e00\u79cd\u9ad8\u6548\u3001\u53ef\u9760\u4e14\u4f4e\u529f\u8017\u7684\u901a\u4fe1\u89e3\u51b3\u65b9\u6848\u3002\u901a\u8fc7\u7ed3\u5408LoRa\u7684\u7269\u7406\u5c42\u6280\u672f\u548cLoRaWAN\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u4e24\u8005\u80fd\u591f\u5b9e\u73b0\u5927\u89c4\u6a21\u7269\u8054\u7f51\u8bbe\u5907\u7684\u6709\u6548\u7ba1\u7406\u548c\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u548cLoRaWAN\u867d\u7136\u5728\u5c42\u6b21\u7ed3\u6784\u548c\u6280\u672f\u5b9e\u73b0\u4e0a\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u5b83\u4eec\u7d27\u5bc6\u76f8\u8fde\uff0c\u5171\u540c\u6784\u6210\u4e86\u4e00\u4e2a\u5b8c\u6574\u7684LPWAN\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 LoRa\u6280\u672f\u5728\u667a\u6167\u519c\u4e1a\u4e2d\u7684\u5e94\u7528<\/h2>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5728\u667a\u6167\u519c\u4e1a\u4e2d\u7684\u5e94\u7528\u6848\u4f8b\u6db5\u76d6\u4e86\u591a\u4e2a\u65b9\u9762\uff0c\u5305\u62ec\u519c\u4f5c\u7269\u79cd\u690d\u73af\u5883\u76d1\u6d4b\u3001\u667a\u80fd\u704c\u6e89\u7cfb\u7edf\u3001\u7272\u755c\u5065\u5eb7\u76d1\u63a7\u7b49\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5177\u4f53\u7684\u6848\u4f8b\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u6d59\u6c5f\u5b89\u9632\u804c\u4e1a\u6280\u672f\u5b66\u9662\u7684\u7814\u7a76\u4e2d\uff0c\u8bbe\u8ba1\u5e76\u5b9e\u73b0\u4e86\u4e00\u6b3e\u57fa\u4e8eLoRa\u901a\u4fe1\u6280\u672f\u7684\u667a\u6167\u519c\u4e1a\u4ea7\u54c1\u2014\u2014\u519c\u4f5c\u7269\u79cd\u690d\u73af\u5883\u76d1\u6d4b\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u80fd\u591f\u5b9e\u73b0\u519c\u4f5c\u7269\u79cd\u690d\u73af\u5883\u53c2\u6570\u6570\u636e\u91c7\u96c6\u3001\u6570\u636e\u5904\u7406\u3001\u6570\u636e\u4f20\u8f93\u3001\u6570\u636e\u5c55\u793a\u548c\u8fdc\u7a0b\u63a7\u5236\u7b49\u529f\u80fd\u3002\u4e0e\u5176\u4ed6\u901a\u4fe1\u6280\u672f\u76f8\u6bd4\uff0cLoRa\u5177\u6709\u4f20\u8f93\u8ddd\u79bb\u8fdc\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u5b89\u5168\u6027\u9ad8\u3001\u529f\u8017\u4f4e\u3001\u6210\u672c\u4f4e\u7b49\u4f18\u70b9\uff0c\u9002\u5408\u667a\u6167\u519c\u4e1a\u751f\u4ea7\u63a8\u5e7f\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u8d8a\u5357Ben Tre\u7701Cho Lach\u533a\u7684\u4e00\u4e2a\u6a21\u578b\u7cfb\u7edf\u57fa\u7840\u8bbe\u65bd\u4e2d\uff0c\u901a\u8fc7LoRa\u6280\u672f\u5b9e\u73b0\u4e86\u519c\u573a\u76d1\u63a7\u3002\u8be5\u7cfb\u7edf\u5305\u62ec\u4e00\u4e2a\u7f51\u5173\u8282\u70b9\u548c\u4e24\u4e2a\u4f20\u611f\u5668\u8282\u70b9\uff0c\u5206\u522b\u4f4d\u4e8e\u4e0d\u540c\u533a\u57df\u4ee5\u6d4b\u8bd5\u4f20\u8f93\u8303\u56f4\u3002\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\uff0cLoRa\u6280\u672f\u5728\u519c\u573a\u76d1\u63a7\u57fa\u7840\u8bbe\u65bd\u90e8\u7f72\u4e2d\u5177\u6709\u6709\u6548\u6027\uff0c\u80fd\u591f\u8986\u76d6\u5e7f\u6cdb\u7684\u533a\u57df\u5e76\u63d0\u4f9b\u5b9e\u65f6\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u8d8a\u5357\u7684\u5927\u89c4\u6a21\u519c\u7530\u4e2d\uff0c\u5229\u7528LoRa\u6280\u672f\u90e8\u7f72\u4e86\u4f4e\u6210\u672c\u7684IoT\u57fa\u7840\u8bbe\u65bd\uff0c\u7528\u4e8e\u8fdc\u7a0b\u76d1\u63a7\u519c\u7530\u3002LoRa\u6280\u672f\u5141\u8bb8\u4f20\u611f\u5668\/\u6267\u884c\u5668\u8282\u70b9\u5728\u65e0\u9700\u4eba\u5de5\u5e72\u9884\u7684\u60c5\u51b5\u4e0b\u5171\u4eab\u6570\u636e\uff0c\u6709\u52a9\u4e8e\u89e3\u51b3\u5e73\u53f0\u96be\u9898\uff0c\u5b9e\u73b0\u5b9e\u65f6\u76d1\u63a7\u3002\u8fd9\u79cd\u4f4e\u6210\u672c\u83b7\u53d6\u5b9e\u65f6\u4fe1\u606f\u7684\u65b9\u6cd5\u5bf9\u519c\u4e1a\u9886\u57df\u7684IoT\u5e94\u7528\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u667a\u5229\u7684\u5927\u89c4\u6a21\u519c\u4e1a\u519c\u573a\u4e2d\uff0c\u57fa\u4e8eLoRaWAN\u6280\u672f\u7684\u667a\u80fd\u519c\u4e1a\u5e73\u53f0\u88ab\u7528\u4e8e\u81ea\u52a8\u704c\u6e89\u7cfb\u7edf\u3001\u5c0f\/\u5927\u7530\u4f5c\u7269\u79cd\u690d\u3001\u755c\u7267\u4e1a\u4e0e\u52a8\u7269\u798f\u5229\u3001\u6e29\u5ba4\/\u5ba4\u5185\u56ed\u827a\u7b49\u9886\u57df\u3002\u8fd9\u4e9b\u5e94\u7528\u5c55\u793a\u4e86LoRa\u6280\u672f\u5728\u667a\u80fd\u519c\u4e1a\u4e2d\u7684\u5e7f\u6cdb\u5e94\u7528\u548c\u6f5c\u529b\u3002<\/p>\n\n\n\n

\u3000\u3000\u591a\u9879\u7814\u7a76\u8868\u660eLoRa\u6280\u672f\u5728\u7272\u755c\u5065\u5eb7\u76d1\u63a7\u4e2d\u7684\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u5229\u7528LoRaWAN\u6280\u672f\u5f00\u53d1\u7684\u7272\u755c\u76d1\u63a7\u667a\u80fd\u7cfb\u7edf\uff0c\u901a\u8fc7GNSS\u3001LoRaWAN\u548c\u4e91\u670d\u52a1\u5b9e\u73b0\u4e86\u667a\u80fd\u7272\u755c\u4f4d\u7f6e\u76d1\u63a7\u3002\u8fd9\u4e9b\u7814\u7a76\u5c55\u793a\u4e86LoRa\u6280\u672f\u5728\u63d0\u9ad8\u7272\u755c\u76d1\u63a7\u6548\u7387\u548c\u51c6\u786e\u6027\u65b9\u9762\u7684\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5728\u7cbe\u51c6\u519c\u4e1a\u76d1\u6d4b\u4e2d\u7684\u5e94\u7528\u4e5f\u5f97\u5230\u4e86\u5e7f\u6cdb\u7814\u7a76\u3002\u4f8b\u5982\uff0c\u5728\u610f\u5927\u5229\u7684\u4e00\u4e2a\u9879\u76ee\u4e2d\uff0c\u57fa\u4e8eLoRa\u7684\u667a\u80fd\u704c\u6e89\u7cfb\u7edf\u63d0\u9ad8\u4e86\u7315\u7334\u6843\u7684\u4ea7\u91cf;\u5728\u897f\u73ed\u7259\uff0c\u4f7f\u7528LoRa\u6280\u672f\u76d1\u6d4b\u8461\u8404\u56ed\u4f5c\u7269;\u5728\u745e\u58eb\uff0c\u76d1\u6d4b\u8461\u8404\u56ed\u75be\u75c5\u7b49\u3002\u8fd9\u4e9b\u9879\u76ee\u5c55\u793a\u4e86LoRa\u6280\u672f\u5728\u7cbe\u51c6\u519c\u4e1a\u4e2d\u7684\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001 LoRa\u6280\u672f\u5728\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u901a\u4fe1\u6027\u80fd\u548c\u53ef\u9760\u6027?<\/h2>\n\n\n\n

\u3000\u3000\u8bc4\u4f30LoRa\u6280\u672f\u5728\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u901a\u4fe1\u6027\u80fd\u548c\u53ef\u9760\u6027\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u4e2a\u56e0\u7d20\uff0c\u5305\u62ec\u7269\u7406\u5c42\u8bbe\u7f6e\u3001\u73af\u5883\u6761\u4ef6\u4ee5\u53ca\u5e94\u7528\u573a\u666f\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u8bc4\u4f30\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u7269\u7406\u5c42\u8bbe\u7f6e\u7684\u5f71\u54cd<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u7684\u53ef\u9760\u6027\u53d7\u7269\u7406\u5c42(PHY)\u8bbe\u7f6e\u7684\u5f71\u54cd\u663e\u8457\u3002\u7814\u7a76\u8868\u660e\uff0c\u5728\u8282\u70b9\u5904\u4e8e\u901a\u4fe1\u8303\u56f4\u8fb9\u7f18\u65f6\uff0c\u4f7f\u7528\u6700\u5feb\u7684PHY\u8bbe\u7f6e\u548c\u6700\u9ad8\u4f20\u8f93\u529f\u7387\u6bd4\u9009\u62e9\u6162\u901f\u8bbe\u7f6e\u66f4\u6709\u6548\uff0c\u5c3d\u7ba1\u5e73\u5747\u6570\u636e\u5305\u63a5\u6536\u901f\u7387\u8f83\u4f4e\uff0c\u4f46\u6709\u6548\u6bd4\u7279\u7387\u663e\u8457\u63d0\u9ad8\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e0d\u540cPHY\u8bbe\u7f6e\u5bf9\u6570\u636e\u5305\u63a5\u6536\u7387\u6709\u663e\u8457\u5f71\u54cd\uff0c\u786e\u5b9a\u4e86\u5b9e\u73b0\u6700\u9ad8\u6570\u636e\u5305\u63a5\u6536\u7387\u7684\u6700\u4f73PHY\u8bbe\u7f6e\u3002<\/p>\n\n\n\n

\u3000\u30002. \u73af\u5883\u56e0\u7d20\u7684\u5f71\u54cd<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u6e29\u5ea6\u548c\u6e7f\u5ea6\u662f\u5f71\u54cdLoRa\u901a\u4fe1\u53ef\u9760\u6027\u7684\u4e3b\u8981\u73af\u5883\u56e0\u7d20\u3002\u9ad8\u6e29\u4f1a\u663e\u8457\u964d\u4f4e\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u5bfc\u81f4\u6570\u636e\u5305\u4e22\u5931\u548c\u635f\u574f\u589e\u52a0\u3002\u4f8b\u5982\uff0c\u572860\u00b0C\u65f6\uff0c\u4fe1\u53f7\u5f3a\u5ea6\u53ef\u80fd\u4e0b\u964d\u5230\u65e0\u6cd5\u4f7f\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u4e0d\u540c\u73af\u5883\u4e2d\uff0c\u5982\u5ba4\u5185\u3001\u5ba4\u5916\u548c\u5730\u4e0b\uff0cLoRa\u901a\u4fe1\u7684\u53ef\u9760\u6027\u4e5f\u6709\u6240\u4e0d\u540c\u3002\u7531\u4e8e\u591a\u5f84\u6548\u5e94\u548c\u8870\u843d\uff0c\u6237\u5916\u548c\u5730\u4e0b\u73af\u5883\u4e0b\u7684LoRa\u901a\u4fe1\u901a\u5e38\u6bd4\u5ba4\u5185\u901a\u4fe1\u66f4\u53ef\u9760\u3002<\/p>\n\n\n\n

\u3000\u3000\u5730\u5f62\u5bf9LoRa\u4fe1\u53f7\u4f20\u64ad\u4e5f\u6709\u663e\u8457\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u5728\u5357\u6781\u6d32\u6781\u5730\u533a\u57df\uff0c\u5b9a\u5411\u5929\u7ebf\u53ef\u4ee5\u5b9e\u73b0\u6700\u592730\u516c\u91cc\u7684\u901a\u4fe1\u8303\u56f4\uff0c\u4f46\u5730\u5f62\u8d77\u4f0f\u5e38\u963b\u65ad\u89c6\u7ebf\u8def\u5f84\uff0c\u9700\u8981\u73b0\u573a\u6d4b\u91cf\u6216\u5c04\u7ebf\u8ffd\u8e2a\u6a21\u62df\u4ee5\u786e\u5b9a\u6700\u4f73\u5929\u7ebf\u4f4d\u7f6e\u3002<\/p>\n\n\n\n

\u3000\u30003. \u5e94\u7528\u573a\u666f\u7684\u5dee\u5f02<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5728\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0cLoRa\u6280\u672f\u8868\u73b0\u51fa\u4e0d\u540c\u7684\u6027\u80fd\u7279\u70b9\u3002\u4f8b\u5982\uff0c\u5728\u667a\u80fd\u6c34\u8868\u7b49\u9700\u8981\u9ad8\u901a\u4fe1\u53ef\u9760\u6027\u7684\u573a\u666f\u4e2d\uff0c\u9700\u8981\u4f18\u5316\u7269\u7406\u5c42\u53c2\u6570\u4ee5\u63d0\u9ad8\u901a\u4fe1\u53ef\u9760\u6027;\u800c\u5728\u667a\u80fd\u68ee\u6797\u519c\u573a\u7b49\u4f4e\u80fd\u8017\u901a\u4fe1\u9700\u6c42\u7684\u573a\u666f\u4e2d\uff0c\u5219\u9700\u8981\u5e73\u8861\u6570\u636e\u901f\u7387\u548c\u80fd\u8017\u3002<\/p>\n\n\n\n

\u3000\u3000\u57fa\u4e8eLoRa\u7684\u7269\u8054\u7f51\u7f51\u7edc\u5728\u519c\u6751\u548c\u57ce\u5e02\u73af\u5883\u4e2d\u7684\u6027\u80fd\u8bc4\u4f30\u663e\u793a\uff0c\u8def\u5f84\u635f\u8017\u6a21\u578b\u3001\u90e8\u7f72\u533a\u57df\u5927\u5c0f\u3001\u4f20\u8f93\u529f\u7387\u3001\u6269\u5c55\u56e0\u5b50\u3001\u8282\u70b9\u548c\u7f51\u5173\u6570\u91cf\u4ee5\u53ca\u5929\u7ebf\u589e\u76ca\u7b49\u56e0\u7d20\u5bf9\u7f51\u7edc\u6027\u80fd\u6709\u663e\u8457\u5f71\u54cd\u3002<\/p>\n\n\n\n

\u3000\u30004. \u5b9e\u9a8c\u9a8c\u8bc1<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5b9e\u9a8c\u7814\u7a76\u662f\u8bc4\u4f30LoRa\u6280\u672f\u6027\u80fd\u7684\u91cd\u8981\u624b\u6bb5\u3002\u901a\u8fc7\u5728\u4e0d\u540c\u786c\u4ef6\u5e73\u53f0\u4e0a\u8fdb\u884c\u7cfb\u7edf\u5b9e\u9a8c\uff0c\u53ef\u4ee5\u7cfb\u7edf\u5730\u7814\u7a76\u6e29\u5ea6\u53d8\u5316\u5bf9LoRa\u901a\u4fe1\u53ef\u9760\u6027\u7684\u5f71\u54cd\uff0c\u5e76\u9a8c\u8bc1\u4e0d\u540cPHY\u8bbe\u7f6e\u4e0b\u7684\u6570\u636e\u5305\u63a5\u6536\u7387\u548c\u94fe\u8def\u8d28\u91cf\u3002<\/p>\n\n\n\n

\u3000\u3000\u4f7f\u7528\u5f00\u6e90\u6846\u67b6\u8fdb\u884c\u6a21\u62df\u5b9e\u9a8c\uff0c\u53ef\u4ee5\u89c2\u5bdf\u4e0d\u540c\u73af\u5883\u548c\u53c2\u6570\u5bf9LoRa\u7f51\u7edc\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u4ece\u800c\u4f18\u5316\u7f51\u7edc\u8bbe\u8ba1\u3002<\/p>\n\n\n\n

\u3000\u3000\u8bc4\u4f30LoRa\u6280\u672f\u5728\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u901a\u4fe1\u6027\u80fd\u548c\u53ef\u9760\u6027\u9700\u8981\u4ece\u7269\u7406\u5c42\u8bbe\u7f6e\u3001\u73af\u5883\u56e0\u7d20\u3001\u5e94\u7528\u573a\u666f\u4ee5\u53ca\u5b9e\u9a8c\u9a8c\u8bc1\u7b49\u591a\u4e2a\u89d2\u5ea6\u8fdb\u884c\u7efc\u5408\u5206\u6790\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e94\u3001 LoRa\u6280\u672f\u9762\u4e34\u7684\u4e3b\u8981\u6311\u6218\u548c\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5728\u7269\u8054\u7f51(IoT)\u9886\u57df\u5177\u6709\u663e\u8457\u4f18\u52bf\uff0c\u5982\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u4f20\u8f93\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u4f46\u4e5f\u9762\u4e34\u4e00\u4e9b\u6311\u6218\u3002\u4ee5\u4e0b\u662fLoRa\u6280\u672f\u9762\u4e34\u7684\u4e3b\u8981\u6311\u6218\u53ca\u5176\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u4e3b\u8981\u6311\u6218<\/h3>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\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<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u9700\u8981\u66f4\u5148\u8fdb\u7684\u7b97\u6cd5\u548c\u8f6f\u4ef6\u652f\u6301\uff0c\u4ee5\u5145\u5206\u53d1\u6325\u5176\u6027\u80fd\u6f5c\u529b\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u9700\u8981\u4e0e\u5176\u4ed6\u65e0\u7ebf\u901a\u4fe1\u534f\u8bae\u517c\u5bb9\uff0c\u4ee5\u5b9e\u73b0\u66f4\u597d\u7684\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u867d\u7136LoRa\u7f51\u7edc\u4ee5\u5176\u9ad8\u80fd\u6548\u8457\u79f0\uff0c\u4f46\u80fd\u6e90\u6d88\u8017\u4ecd\u662f\u5176\u91cd\u8981\u6311\u6218\u4e4b\u4e00\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u57fa\u4e8echirp\u6269\u9891\u8c03\u5236\uff0c\u867d\u7136\u5177\u6709\u8f83\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4f46\u5728\u5f00\u9614\u73af\u5883\u4e2d\u4ecd\u9700\u89e3\u51b3\u4fe1\u53f7\u8870\u51cf\u3001\u4f20\u64ad\u635f\u8017\u548c\u8870\u843d\u95ee\u9898\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u7f51\u7edc\u7684\u76ee\u6807\u662f\u8fde\u63a5\u5927\u91cf\u7ec8\u7aef\u8bbe\u5907\uff0c\u540c\u65f6\u5728\u6709\u9650\u7684\u533a\u57df\u548c\u9891\u8c31\u5185\u8fdb\u884c\u901a\u4fe1\uff0c\u591a\u91cd\u8bbf\u95ee\u95ee\u9898\u6d89\u53ca\u94fe\u63a5\u534f\u8c03\u548c\u8d44\u6e90\u5206\u914d\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u7a7a\u4e2d\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u6570\u636e\u53ef\u80fd\u56e0\u4fe1\u9053\u6548\u5e94\u3001\u73af\u5883\u6761\u4ef6\u6216\u78b0\u649e\u800c\u635f\u574f\u6216\u4e22\u5931\uff0c\u9700\u8981\u4fe1\u9053\u7f16\u7801\u548c\u5e72\u6270\u6d88\u9664\u7b49\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n

\u3000\u3000\u5b89\u5168\u6027\u662f\u6240\u6709\u8ba1\u7b97\u673a\u901a\u4fe1\u4e2d\u7684\u91cd\u5927\u95ee\u9898\uff0cLoRa\u7f51\u7edc\u4e5f\u9762\u4e34\u76d1\u542c\u3001\u9009\u62e9\u6027\u8f6c\u53d1\u548c\u8282\u70b9\u5192\u5145\u7b49\u5b89\u5168\u653b\u51fb\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u5927\u89c4\u6a21IoT\u4e2d\uff0cLoRa\u4fe1\u53f7\u5e72\u6270\u548c\u5e76\u53d1\u4f20\u8f93\u78b0\u649e\u662f\u9ad8\u6548\u90e8\u7f72\u7684\u4e3b\u8981\u9650\u5236\u3002<\/p>\n\n\n\n

\u3000\u30002. \u89e3\u51b3\u65b9\u6848<\/h3>\n\n\n\n

\u3000\u3000\u901a\u8fc7\u4f18\u5316\u786c\u4ef6\u8bbe\u8ba1\u548c\u91c7\u7528\u4f4e\u6210\u672c\u6750\u6599\u6765\u964d\u4f4e\u8bbe\u5907\u6210\u672c\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u6807\u51c6\u5316\u548c\u6a21\u5757\u5316\u8bbe\u8ba1\uff0c\u53ef\u4ee5\u51cf\u5c11\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u5dee\u5f02\uff0c\u4ece\u800c\u964d\u4f4e\u6210\u672c\u3002<\/p>\n\n\n\n

\u3000\u3000\u5f00\u53d1\u66f4\u9ad8\u6548\u7684\u7b97\u6cd5\u548c\u8f6f\u4ef6\u652f\u6301\uff0c\u5229\u7528\u6df1\u5ea6\u5b66\u4e60\u7f51\u7edc\u514b\u670d\u4f20\u7edfLoRa PHY\u89e3\u7801\u7684\u5c40\u9650\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u63a8\u52a8LoRa\u4e0e\u5176\u4ed6\u65e0\u7ebf\u901a\u4fe1\u534f\u8bae\u7684\u6807\u51c6\u5316\u548c\u4e92\u64cd\u4f5c\u6027\u7814\u7a76\uff0c\u786e\u4fdd\u4e0d\u540c\u8bbe\u5907\u548c\u7f51\u7edc\u4e4b\u95f4\u7684\u517c\u5bb9\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u901a\u8fc7\u6539\u8fdb\u7269\u7406\u5c42\u8bbe\u8ba1\u548c\u4f7f\u7528\u8f6f\u4ef6\u5b9a\u4e49\u7f51\u7edc(SDN)\u652f\u6301\u7684\u5b89\u5168\u89e3\u51b3\u65b9\u6848\u6765\u63d0\u9ad8\u80fd\u6e90\u6548\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u4f7f\u7528\u591a\u5929\u7ebf\u6280\u672f\u548c\u4fe1\u53f7\u589e\u5f3a\u6280\u672f\u6765\u6539\u5584\u4fe1\u53f7\u7a7f\u900f\u548c\u8986\u76d6\u8303\u56f4\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u4f18\u5316\u4fe1\u9053\u7f16\u7801\u548c\u5e72\u6270\u6d88\u9664\u6280\u672f\u6765\u51cf\u5c11\u4fe1\u53f7\u8870\u51cf\u548c\u4f20\u64ad\u635f\u8017\u3002<\/p>\n\n\n\n

\u3000\u3000\u91c7\u7528\u5148\u8fdb\u7684\u8d44\u6e90\u5206\u914d\u7b56\u7565\u548c\u534f\u8c03\u673a\u5236\u6765\u89e3\u51b3\u591a\u91cd\u8bbf\u95ee\u95ee\u9898\uff0c\u786e\u4fdd\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u5229\u7528\u4fe1\u9053\u7f16\u7801\u548c\u5e72\u6270\u6d88\u9664\u6280\u672f\u6765\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\uff0c\u51cf\u5c11\u6570\u636e\u5305\u4e22\u5931\u548c\u9519\u8bef\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u5f15\u5165\u52a0\u5bc6\u6280\u672f\u548c\u5b89\u5168\u534f\u8bae\u6765\u4fdd\u62a4\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u76d1\u542c\u3001\u9009\u62e9\u6027\u8f6c\u53d1\u548c\u8282\u70b9\u5192\u5145\u7b49\u653b\u51fb\u3002<\/p>\n\n\n\n

\u3000\u3000\u63d0\u51fa\u591a\u79cd\u589e\u5f3aLoRa\u7f51\u7edc\u53ef\u6269\u5c55\u6027\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5305\u62ec\u5e72\u6270\u7ba1\u7406\u65b9\u6848\u548c\u78b0\u649e\u907f\u514d\u673a\u5236\uff0c\u4ee5\u786e\u4fdd\u5927\u89c4\u6a21IoT\u4e2dLoRa\u7f51\u7edc\u7684\u9ad8\u6548\u90e8\u7f72\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

LoRa(Long Range)\u65e0\u7ebf\u8c03\u9891\u6280\u672f\u662f\u4e00\u79cd\u4e13\u4e3a\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u8bbe\u8ba1\u7684\u7ebf\u6027\u8c03\u9891\u6269\u9891\u8c03\u5236\u65e0\u7ebf\u901a\u8baf\u6280\u672f\uff0c\u7531\u7f8e\u56fdSemtech\u516c\u53f8\u5f00\u53d1\u5e76\u63a8\u5e7f\u3002<\/p>\n","protected":false},"author":1,"featured_media":97633,"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-99157","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\/99157"}],"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=99157"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99157\/revisions"}],"predecessor-version":[{"id":99158,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99157\/revisions\/99158"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=99157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=99157"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=99157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}