{"id":97604,"date":"2024-09-10T17:58:21","date_gmt":"2024-09-10T09:58:21","guid":{"rendered":"\/\/www.dealsbon.com\/?p=97604"},"modified":"2024-09-10T17:58:26","modified_gmt":"2024-09-10T09:58:26","slug":"lqsgzmsx-2","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/97604.html","title":{"rendered":"LoRa\u5168\u53cc\u5de5\u600e\u4e48\u5b9e\u73b0\uff1f"},"content":{"rendered":"\n
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\u3000\u3000\u91c7\u7528\u9ad8\u6548\u7684\u7f16\u7801\u548c\u8bd1\u7801\u6280\u672f\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u9053\u5229\u7528\u7387\u5e76\u589e\u5f3a\u6297\u5e72\u6270\u80fd\u529b\uff0c\u540c\u65f6\u8fd8\u80fd\u5b9e\u73b0\u8bef\u5dee\u6821\u6b63\u548c\u7ea0\u9519\u529f\u80fd\uff0c\u4ece\u800c\u63d0\u5347\u6574\u4f53\u7f51\u7edc\u6027\u80fd\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u9ad8\u5bc6\u5ea6\u90e8\u7f72\u7684\u7f51\u7edc\u4e2d\uff0c\u4e3a\u90e8\u5206\u8282\u70b9\u5206\u914d\u9759\u6001\u6269\u5c55\u56e0\u5b50(SF)\uff0c\u53ef\u4ee5\u7f13\u89e3\u7531\u4e8e\u81ea\u9002\u5e94\u6269\u5c55\u56e0\u5b50\u5e26\u6765\u7684\u8d1f\u9762\u5f71\u54cd\uff0c\u5e76\u6709\u6548\u51cf\u5c11\u7f51\u5173\u7684\u529f\u8017\u3002<\/p>\n\n\n\n \u3000\u3000\u6839\u636e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u8282\u70b9\u5206\u7c7b\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u5728\u9700\u8981\u5feb\u901f\u54cd\u5e94\u7684\u573a\u666f\u4e2d\uff0c\u53ef\u4ee5\u9009\u62e9Class B\u6216Class C\u8282\u70b9;\u800c\u5728\u5bf9\u5ef6\u8fdf\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f\u4e2d\uff0c\u5219\u53ef\u4ee5\u9009\u62e9Class A\u8282\u70b9\u4ee5\u8282\u7701\u80fd\u6e90\u3002<\/p>\n\n\n\n \u3000\u3000\u901a\u8fc7\u5c06\u4e0a\u94fe\u8def\u548c\u4e0b\u94fe\u8def\u901a\u4fe1\u5206\u79bb\u5230\u5355\u72ec\u7684\u5b50\u9891\u6bb5\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u78b0\u649e\u7684\u53d1\u751f\u3002\u6b64\u5916\uff0c\u4f18\u5316\u4f20\u8f93\u7b56\u7565\u4ee5\u51cf\u5c11\u91cd\u4f20\u6b21\u6570\u4e5f\u662f\u964d\u4f4e\u529f\u8017\u7684\u91cd\u8981\u624b\u6bb5\u3002<\/p>\n\n\n\n \u3000\u3000\u5728LoRa\u5168\u53cc\u5de5\u901a\u4fe1\u4e2d\uff0c\u5904\u7406\u548c\u51cf\u5c11\u5ef6\u8fdf\u95ee\u9898\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n \u3000\u3000LoRa\u6280\u672f\u7684\u8bbe\u8ba1\u521d\u8877\u662f\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u7684\u534a\u53cc\u5de5\u901a\u4fe1\uff0c\u56e0\u6b64\u5173\u4e8eLoRa\u5168\u53cc\u5de5\u901a\u4fe1\u7684\u7814\u7a76\u548c\u6280\u672f\u76f8\u5bf9\u8f83\u5c11\u3002\u7136\u800c\uff0c\u968f\u7740\u7269\u8054\u7f51(IoT)\u5e94\u7528\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u5b66\u672f\u754c\u548c\u5de5\u4e1a\u754c\u4e5f\u5728\u63a2\u7d22\u5982\u4f55\u6539\u8fdbLoRa\u7684\u901a\u4fe1\u6027\u80fd\uff0c\u5305\u62ec\u5168\u53cc\u5de5\u901a\u4fe1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u65b0\u7684\u7814\u7a76\u548c\u6280\u672f\u65b9\u5411\uff1a<\/p>\n\n\n\n \u3000\u3000\u81ea\u5e72\u6270\u662f\u5b9e\u73b0\u5168\u53cc\u5de5\u901a\u4fe1\u7684\u4e3b\u8981\u6311\u6218\u4e4b\u4e00\u3002\u7814\u7a76\u4eba\u5458\u6b63\u5728\u63a2\u7d22\u5404\u79cd\u81ea\u5e72\u6270\u6d88\u9664\u6280\u672f\uff0c\u4ee5\u4fbf\u5728\u540c\u4e00\u9891\u7387\u4e0b\u540c\u65f6\u8fdb\u884c\u53d1\u9001\u548c\u63a5\u6536\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u6570\u5b57\u4fe1\u53f7\u5904\u7406(DSP)\u6280\u672f\u548c\u81ea\u9002\u5e94\u6ee4\u6ce2\u5668\u6765\u6d88\u9664\u53d1\u9001\u4fe1\u53f7\u5bf9\u63a5\u6536\u4fe1\u53f7\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n \u3000\u3000\u9891\u5206\u53cc\u5de5(FDD)\u662f\u901a\u8fc7\u4f7f\u7528\u4e0d\u540c\u7684\u9891\u7387\u6765\u5b9e\u73b0\u5168\u53cc\u5de5\u901a\u4fe1\u7684\u4e00\u79cd\u65b9\u6cd5\u3002\u4e00\u4e9b\u7814\u7a76\u6b63\u5728\u63a2\u7d22\u5982\u4f55\u4f18\u5316\u9891\u7387\u89c4\u5212\u548c\u9891\u7387\u9694\u79bb\uff0c\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u81ea\u5e72\u6270\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u667a\u80fd\u9891\u8c31\u7ba1\u7406\u548c\u52a8\u6001\u9891\u7387\u5206\u914d\uff0c\u53ef\u4ee5\u63d0\u9ad8\u9891\u8c31\u5229\u7528\u6548\u7387\u3002<\/p>\n\n\n\n \u3000\u3000\u65f6\u5206\u53cc\u5de5(TDD)\u672c\u8d28\u4e0a\u662f\u534a\u53cc\u5de5\u7684\uff0c\u4f46\u901a\u8fc7\u5feb\u901f\u5207\u6362\u53d1\u9001\u548c\u63a5\u6536\u65f6\u9699\uff0c\u53ef\u4ee5\u6a21\u62df\u51fa\u4e00\u79cd\u8fd1\u4f3c\u5168\u53cc\u5de5\u7684\u6548\u679c\u3002\u7814\u7a76\u4eba\u5458\u6b63\u5728\u63a2\u7d22\u5982\u4f55\u4f18\u5316TDD\u7684\u65f6\u9699\u5206\u914d\u548c\u5207\u6362\u901f\u5ea6\uff0c\u4ee5\u63d0\u9ad8\u901a\u4fe1\u6548\u7387\u3002<\/p>\n\n\n\n \u3000\u3000\u591a\u5929\u7ebf\u7cfb\u7edf(MIMO)\u6280\u672f\u5728\u4f20\u7edf\u65e0\u7ebf\u901a\u4fe1\u4e2d\u5df2\u7ecf\u5e7f\u6cdb\u5e94\u7528\uff0c\u7528\u4e8e\u63d0\u9ad8\u901a\u4fe1\u901f\u7387\u548c\u53ef\u9760\u6027\u3002\u7814\u7a76\u4eba\u5458\u6b63\u5728\u63a2\u7d22\u5c06MIMO\u6280\u672f\u5e94\u7528\u4e8eLoRa\uff0c\u4ee5\u5b9e\u73b0\u5168\u53cc\u5de5\u901a\u4fe1\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u4f7f\u7528\u53cc\u5929\u7ebf\u7cfb\u7edf\uff0c\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u5929\u7ebf\u4e0a\u8fdb\u884c\u53d1\u9001\u548c\u63a5\u6536\uff0c\u4ece\u800c\u5b9e\u73b0\u5168\u53cc\u5de5\u901a\u4fe1\u3002<\/p>\n\n\n\n \u3000\u3000\u8f6f\u4ef6\u5b9a\u4e49\u65e0\u7ebf\u7535(SDR)\u6280\u672f\u5141\u8bb8\u7075\u6d3b\u5730\u914d\u7f6e\u65e0\u7ebf\u901a\u4fe1\u53c2\u6570\u3002\u7814\u7a76\u4eba\u5458\u6b63\u5728\u63a2\u7d22\u4f7f\u7528SDR\u6765\u5b9e\u73b0LoRa\u7684\u5168\u53cc\u5de5\u901a\u4fe1\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u52a8\u6001\u8c03\u6574\u9891\u7387\u3001\u529f\u7387\u548c\u65f6\u9699\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u7075\u6d3b\u7684\u901a\u4fe1\u6a21\u5f0f\u3002<\/p>\n\n\n\n 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LoRa\u6280\u672f\u5982\u4f55\u5b9e\u73b0\u5168\u53cc\u5de5<\/h2>\n\n\n\n
\u3000\u30001. \u4f7f\u7528\u4e24\u4e2a\u72ec\u7acb\u7684LoRa\u6a21\u5757<\/h3>\n\n\n\n
\u3000\u30002. \u9891\u5206\u53cc\u5de5(FDD)<\/h3>\n\n\n\n
\u3000\u30003. \u65f6\u5206\u53cc\u5de5(TDD)\u589e\u5f3a<\/h3>\n\n\n\n
\u3000\u30004. \u4f7f\u7528\u53cc\u5929\u7ebf\u7cfb\u7edf<\/h3>\n\n\n\n
\u3000\u30005. \u6280\u672f\u6311\u6218<\/h3>\n\n\n\n
\u3000\u30006. \u5b9e\u9645\u5e94\u7528<\/h3>\n\n\n\n
\u3000\u3000\u4e8c\u3001 LoRa\u6709\u54ea\u4e9b\u5168\u53cc\u5de5\u901a\u4fe1\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n
\u3000\u30001. Semtech SX1301\/SX1302\/SX1303<\/h3>\n\n\n\n
\u3000\u30002. LoRaWAN\u7f51\u5173<\/h3>\n\n\n\n
\u3000\u30003. \u9891\u5206\u53cc\u5de5(FDD)\u89e3\u51b3\u65b9\u6848<\/h3>\n\n\n\n
\u3000\u30004. \u53cc\u5929\u7ebf\u7cfb\u7edf<\/h3>\n\n\n\n
\u3000\u30005. \u5176\u4ed6\u5382\u5546\u7684\u5b9a\u5236\u89e3\u51b3\u65b9\u6848<\/h3>\n\n\n\n
\u3000\u3000\u4e09\u3001 LoRaWAN\u534f\u8bae\u5728\u5b9e\u73b0\u5168\u53cc\u5de5\u901a\u4fe1\u65f6\u9762\u4e34\u7684\u4e3b\u8981\u6311\u6218?<\/h2>\n\n\n\n
\n
\u3000\u3000\u56db\u3001 \u5982\u4f55\u4f18\u5316LoRa\u7f51\u7edc\u7cfb\u7edf\u7684\u4fe1\u9053\u5229\u7528\u7387\u4ee5\u964d\u4f4e\u8282\u70b9\u529f\u8017?<\/h2>\n\n\n\n
\u3000\u30001. \u6539\u8fdb\u4f20\u8f93\u534f\u8bae<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30002. \u4f7f\u7528\u7edf\u8ba1\u65f6\u5206\u590d\u7528\uff08STDM\uff09\u6280\u672f<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30003. \u7f16\u7801\u548c\u8bd1\u7801\u6280\u672f\u7684\u5e94\u7528<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30004. \u5408\u7406\u5206\u914d\u9759\u6001\u6269\u5c55\u56e0\u5b50\uff08SF\uff09<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30005. \u4f18\u5316\u8282\u70b9\u5206\u7c7b\u7b56\u7565<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30006. \u51cf\u5c11\u78b0\u649e\u548c\u91cd\u4f20\u6b21\u6570<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u3000\u4e94\u3001 \u5728LoRa\u5168\u53cc\u5de5\u901a\u4fe1\u4e2d\uff0c\u5982\u4f55\u5904\u7406\u548c\u51cf\u5c11\u5ef6\u8fdf\u95ee\u9898?<\/h2>\n\n\n\n
\n
\u3000\u3000\u516d\u3001 LoRa\u5168\u53cc\u5de5\u901a\u4fe1\u6709\u54ea\u4e9b\u6700\u65b0\u7684\u7814\u7a76\u6216\u6280\u672f?<\/h2>\n\n\n\n
\u3000\u30001. \u81ea\u5e72\u6270\u6d88\u9664\u6280\u672f<\/h3>\n\n\n\n
\u3000\u30002. \u9891\u5206\u53cc\u5de5(FDD)<\/h3>\n\n\n\n
\u3000\u30003. \u65f6\u5206\u53cc\u5de5(TDD)\u589e\u5f3a<\/h3>\n\n\n\n
\u3000\u30004. \u591a\u5929\u7ebf\u7cfb\u7edf<\/h3>\n\n\n\n
\u3000\u30005. \u8f6f\u4ef6\u5b9a\u4e49\u65e0\u7ebf\u7535(SDR)<\/h3>\n\n\n\n
\u3000\u30006. \u534f\u540c\u901a\u4fe1\u548c\u7f51\u7edc\u7f16\u7801<\/h3>\n\n\n\n
\u3000\u30007. \u65b0\u578b\u7269\u7406\u5c42\u8bbe\u8ba1<\/h3>\n\n\n\n
\u3000\u3000\u603b\u7ed3<\/h3>\n\n\n\n