{"id":99371,"date":"2024-11-19T15:58:00","date_gmt":"2024-11-19T07:58:00","guid":{"rendered":"\/\/www.viralrail.com\/?p=99371"},"modified":"2024-11-19T15:58:05","modified_gmt":"2024-11-19T07:58:05","slug":"lwgsbzyssm","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99371.html","title":{"rendered":"LORA\u7f51\u5173\u8bbe\u5907\u4f5c\u7528\u662f\u4ec0\u4e48"},"content":{"rendered":"\n<p>\u3000\u3000<strong><a href=\"\/\/www.viralrail.com\/blog\/98640.html\" data-type=\"post\" data-id=\"98640\">LORA\u7f51\u5173<\/a><\/strong>\u8bbe\u5907\u5728\u7269\u8054\u7f51(IoT)\u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5176\u4e3b\u8981\u4f5c\u7528\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u8fde\u63a5LoRaWAN\u7f51\u7edc\u4e0e\u4e92\u8054\u7f51<\/strong>\uff1aLORA\u7f51\u5173\u7684\u4e3b\u8981\u529f\u80fd\u662f\u5c06LoRaWAN\u7f51\u7edc\u4e0e\u4e92\u8054\u7f51\u8fde\u63a5\u8d77\u6765\uff0c\u5b9e\u73b0\u4ece\u8282\u70b9\u8bbe\u5907\u91c7\u96c6\u7684\u6570\u636e\u4f20\u8f93\u5230\u4e91\u670d\u52a1\u5668\u6216\u7f51\u7edc\u670d\u52a1\u5668\u3002\u901a\u8fc7\u8fd9\u79cd\u8fde\u63a5\uff0c\u5404\u79cd\u4f20\u611f\u5668\u548c\u7ec8\u7aef\u8282\u70b9\u80fd\u591f\u5c06\u6570\u636e\u53d1\u9001\u5230\u4e91\u7aef\u5e73\u53f0\u8fdb\u884c\u5206\u6790\u548c\u5904\u7406\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u63a5\u6536\u4e0e\u8f6c\u53d1<\/strong>\uff1aLORA\u7f51\u5173\u8d1f\u8d23\u63a5\u6536\u6765\u81ea\u5404\u79cdLoRa\u8282\u70b9\u8bbe\u5907\u7684\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8f6c\u53d1\u5230\u4e92\u8054\u7f51\u4e0a\u7684\u670d\u52a1\u5668\u3002\u5b83\u4f5c\u4e3a\u7ec8\u7aef\u8bbe\u5907\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u4fe1\u606f\u6865\u6881\uff0c\u652f\u6301\u591a\u4fe1\u9053\u7684\u6536\u53d1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e7f\u57df\u8986\u76d6\u4e0e\u4f4e\u529f\u8017\u901a\u4fe1<\/strong>\uff1aLORA\u7f51\u5173\u5177\u5907\u5e7f\u57df\u8986\u76d6\u7684\u80fd\u529b\uff0c\u80fd\u591f\u5728\u5927\u8303\u56f4\u5185\u5b9e\u73b0\u901a\u4fe1\u8986\u76d6\uff0c\u5373\u4f7f\u5728\u5927\u578b\u57ce\u5e02\u4e2d\u4e5f\u80fd\u6709\u6548\u8fd0\u884c\u3002\u6b64\u5916\uff0cLORA\u7f51\u5173\u91c7\u7528\u4f4e\u529f\u8017\u8bbe\u8ba1\uff0c\u9002\u5408\u5927\u89c4\u6a21\u90e8\u7f72\u7684\u7269\u8054\u7f51\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u5904\u7406\u4e0e\u7ba1\u7406<\/strong>\uff1aLORA\u7f51\u5173\u4e0d\u4ec5\u8d1f\u8d23\u6570\u636e\u7684\u4f20\u8f93\uff0c\u8fd8\u5177\u5907\u6570\u636e\u5904\u7406\u548c\u7ba1\u7406\u7684\u529f\u80fd\u3002\u5b83\u53ef\u4ee5\u5bf9\u63a5\u6536\u5230\u7684\u6570\u636e\u8fdb\u884c\u5904\u7406\u548c\u5206\u53d1\uff0c\u786e\u4fdd\u6570\u636e\u7684\u5b89\u5168\u548c\u6709\u6548\u4f20\u8f93\u3002\u540c\u65f6\uff0c\u5b83\u8fd8\u652f\u6301\u8fdc\u7a0b\u5347\u7ea7\u529f\u80fd\uff0c\u53ef\u4ee5\u73b0\u573a\u8fdb\u884c\u529f\u80fd\u5b9a\u5236\u548c\u52a0\u5bc6\u6280\u672f\u786e\u4fdd\u5b89\u5168\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u79cd\u5e94\u7528\u573a\u666f<\/strong>\uff1aLORA\u7f51\u5173\u5e7f\u6cdb\u5e94\u7528\u4e8e\u667a\u80fd\u57ce\u5e02\u3001\u519c\u4e1a\u76d1\u6d4b\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9886\u57df\uff0c\u56e0\u5176\u4f4e\u529f\u8017\u548c\u957f\u8ddd\u79bb\u4f20\u8f93\u7279\u70b9\uff0c\u9002\u5408\u5927\u89c4\u6a21\u90e8\u7f72\u7684\u7269\u8054\u7f51\u573a\u666f\u3002\u4f8b\u5982\uff0c\u5728\u667a\u6167\u57ce\u5e02\u4e2d\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u5783\u573e\u5206\u7c7b\u7cfb\u7edf\u3001\u80fd\u6e90\u7ba1\u7406\u3001\u667a\u6167\u4ea4\u901a\u3001\u73af\u5883\u76d1\u6d4b\u548c\u667a\u80fd\u516c\u7528\u4e8b\u4e1a\u7b49\u9886\u57df\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u4e0e\u7a33\u5b9a\u6027<\/strong>\uff1aLORA\u7f51\u5173\u91c7\u7528\u91d1\u5c5e\u94a3\u91d1\u5916\u58f3\u548cLoRa\u6269\u9891\u901a\u4fe1\u6280\u672f\uff0c\u589e\u5f3a\u4e86\u94fe\u8def\u901a\u8baf\u7684\u7a33\u5b9a\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002\u8fd9\u4f7f\u5f97\u5728\u590d\u6742\u73af\u5883\u6761\u4ef6\u4e0b\uff0c\u6570\u636e\u4f20\u8f93\u66f4\u52a0\u53ef\u9760\u548c\u9ad8\u6548\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<a href=\"\/\/www.viralrail.com\/blog\/97592.html\" data-type=\"post\" data-id=\"97592\">LORA\u7f51\u5173<\/a>\u8bbe\u5907\u901a\u8fc7\u8fde\u63a5LoRaWAN\u7f51\u7edc\u4e0e\u4e92\u8054\u7f51\uff0c\u5b9e\u73b0\u6570\u636e\u7684\u91c7\u96c6\u3001\u8f6c\u53d1\u548c\u5b89\u5168\u4f20\u8f93\uff0c\u4e3a\u7269\u8054\u7f51\u7cfb\u7edf\u7684\u9ad8\u6548\u8fd0\u884c\u63d0\u4f9b\u4e86\u91cd\u8981\u652f\u6301\uff0c\u5e76\u5728\u591a\u4e2a\u9886\u57df\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u7f51\u5173\u8bbe\u5907\u5982\u4f55\u5b9e\u73b0\u6570\u636e\u7684\u5b89\u5168\u4f20\u8f93?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u7f51\u5173\u8bbe\u5907\u5b9e\u73b0\u6570\u636e\u7684\u5b89\u5168\u4f20\u8f93\u4e3b\u8981\u4f9d\u8d56\u4e8e\u591a\u79cd\u5b89\u5168\u673a\u5236\u548c\u52a0\u5bc6\u6280\u672f\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u89e3\u91ca\uff1a<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u7f51\u5173\u8bbe\u5907\u4f7f\u7528\u9ad8\u7ea7\u52a0\u5bc6\u6807\u51c6(AES)\u8fdb\u884c\u6570\u636e\u52a0\u5bc6\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u673a\u5bc6\u6027\u548c\u5b8c\u6574\u6027\u3002AES\u662f\u4e00\u79cd\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\uff0c\u901a\u5e38\u4f7f\u7528128\u4f4d\u5bc6\u94a5\u8fdb\u884c\u52a0\u5bc6\uff0c\u80fd\u591f\u6709\u6548\u9632\u6b62\u672a\u6388\u6743\u8bbf\u95ee\u548c\u6570\u636e\u7be1\u6539\u3002\u6b64\u5916\uff0cHMAC SHA-256\u7528\u4e8e\u6d88\u606f\u8ba4\u8bc1\u7801(MAC)\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u771f\u5b9e\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728LoRaWAN\u7f51\u7edc\u4e2d\uff0c\u6bcf\u4e2a\u6570\u636e\u5305\u90fd\u5305\u542b\u4e00\u4e2a\u5e27\u8ba1\u6570\u5668(Fcnt)\uff0c\u7528\u4e8e\u9632\u6b62\u91cd\u653e\u653b\u51fb\u3002\u5e27\u8ba1\u6570\u5668\u662f32\u4f4d\u957f\uff0c\u4f46\u53ea\u4f20\u8f9316\u4f4d\u6700\u4f4e\u6709\u6548\u4f4d\uff0c\u4ee5\u51cf\u5c11\u5f00\u9500\u3002\u540c\u65f6\uff0c\u6bcf\u4e2a\u5e27\u8fd8\u5305\u542b\u4e00\u4e2a32\u4f4d\u7684\u6d88\u606f\u5b8c\u6574\u6027\u4ee3\u7801(MIC)\uff0c\u4f7f\u7528AES-CMAC\u8ba1\u7b97\uff0c\u8fdb\u4e00\u6b65\u589e\u5f3a\u6570\u636e\u5305\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRaWAN\u534f\u8bae\u652f\u6301\u7aef\u5230\u7aef\u52a0\u5bc6\uff0c\u8fd9\u610f\u5473\u7740\u4ece\u7ec8\u7aef\u8bbe\u5907\u5230\u4e91\u670d\u52a1\u5668\u7684\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u6570\u636e\u59cb\u7ec8\u5904\u4e8e\u52a0\u5bc6\u72b6\u6001\u3002\u7f51\u7edc\u670d\u52a1\u5668\u901a\u8fc7\u6807\u51c6\u5b89\u5168\u7684IP\u8fde\u63a5\u63a5\u6536\u52a0\u5bc6\u540e\u7684\u6570\u636e\uff0c\u5e76\u5728\u5e94\u7528\u5c42\u8fdb\u884c\u89e3\u5bc6\u5904\u7406\u3002\u8fd9\u79cd\u7aef\u5230\u7aef\u7684\u52a0\u5bc6\u65b9\u5f0f\u786e\u4fdd\u4e86\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u5b89\u5168\u6027\u548c\u9690\u79c1\u4fdd\u62a4\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u7f51\u5173\u8bbe\u5907\u5728\u7269\u7406\u5c42\u8fd0\u884c\uff0c\u4ec5\u68c0\u67e5\u6bcf\u4e2a\u4f20\u5165LoRa 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class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 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class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 LoRa\u7f51\u5173\u8bbe\u5907\u7684\u4f4e\u529f\u8017\u8bbe\u8ba1\u662f\u5982\u4f55\u5b9e\u73b0\u7684?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u7f51\u5173\u8bbe\u5907\u7684\u4f4e\u529f\u8017\u8bbe\u8ba1\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u786c\u4ef6\u9009\u62e9\u4e0e\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u7f51\u5173\u901a\u5e38\u91c7\u7528\u4f4e\u529f\u8017\u7684\u7cfb\u7edf\u7ea7\u82af\u7247(SoC)\u548c\u5fae\u63a7\u5236\u5668(MCU)\uff0c\u4f8b\u5982STM32L4\u7cfb\u5217\u5fae\u63a7\u5236\u5668\uff0c\u8fd9\u4e9b\u8bbe\u5907\u57fa\u4e8e\u9ad8\u6027\u80fd\u7684Arm Cortex-M4\u6838\u5fc3\uff0c\u652f\u6301\u9ad8\u8fbe80MHz\u7684\u8fd0\u884c\u9891\u7387\uff0c\u5e76\u5177\u5907\u591a\u79cd\u901a\u4fe1\u63a5\u53e3\u3002\u6b64\u5916\uff0cLoRa\u8c03\u5236\u89e3\u8c03\u5668\u5982SEMTECH 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class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u8f6f\u4ef6\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u8f6f\u4ef6\u8bbe\u8ba1\u65b9\u9762\uff0c\u901a\u8fc7\u5408\u7406\u914d\u7f6eMCU\u7684\u5de5\u4f5c\u6a21\u5f0f\uff0c\u52a8\u6001\u5207\u6362\u5f15\u811a\u81f3\u8f93\u5165\u4e0a\u62c9\u548c\u60ac\u6d6e\u72b6\u6001\uff0c\u4ee5\u51cf\u5c11\u9759\u6001\u529f\u8017\u3002\u6b64\u5916\uff0c\u91c7\u7528\u9ad8\u6548\u7387\u7b97\u6cd5\u5982\u67e5\u8868CRC16\u8ba1\u7b97\uff0c\u53ef\u4ee5\u52a0\u901fMCU\u8fdb\u5165\u4f4e\u529f\u8017\u72b6\u6001\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u5757\u7684\u4f4e\u529f\u8017\u6a21\u5f0f\u662f\u901a\u8fc7\u8ba1\u65f6\u5668\u548cCAD(\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b)\u68c0\u6d4b\u6a21\u5f0f\u6765\u5b9e\u73b0\u7684\u3002\u5f53\u8282\u70b9\u8fdb\u5165\u4f11\u7720\u6a21\u5f0f\u65f6\uff0c\u8ba1\u65f6\u5668\u5f00\u59cb\u8ba1\u65f6;\u5230\u8fbe\u9884\u8bbe\u65f6\u95f4\u540e\uff0c\u8282\u70b9\u88ab\u5524\u9192\u5e76\u8fdb\u5165CAD\u68c0\u6d4b\u6a21\u5f0f\u3002\u5982\u679c\u68c0\u6d4b\u5230\u4fe1\u53f7\uff0c\u5219\u8fdb\u5165\u5de5\u4f5c\u6a21\u5f0f;\u5982\u679c\u6ca1\u6709\u4fe1\u53f7\uff0c\u5219\u91cd\u65b0\u8bbe\u7f6e\u8ba1\u65f6\u5668\u7684\u4f11\u7720\u65f6\u95f4\u5e76\u518d\u6b21\u8fdb\u5165\u4f11\u7720\u6a21\u5f0f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u80fd\u6e90\u7ba1\u7406\u4e0e\u4f9b\u7535\u65b9\u6848<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u7f51\u5173\u8bbe\u5907\u901a\u5e38\u91c7\u7528\u5148\u8fdb\u7684\u529f\u8017\u7ba1\u7406\u6280\u672f\uff0c\u5e76\u7ed3\u5408\u592a\u9633\u80fd\u677f\u548c\u5927\u5bb9\u91cf\u53ef\u5145\u7535\u7535\u6c60\uff0c\u4ee5\u5b9e\u73b0\u957f\u671f\u7a33\u5b9a\u4f9b\u7535\u3002\u4f8b\u5982\uff0cSG50\u5ba4\u5916\u578b\u8d85\u4f4e\u529f\u8017\u592a\u9633\u80fd\u7f51\u5173\u5185\u7f6e25Ah\u53ef\u5145\u7535\u7535\u6c60\u548c\u592a\u9633\u80fd\u4f9b\u7535\u7cfb\u7edf\uff0c\u4f18\u5316\u80fd\u6e90\u5229\u7528\u6548\u7387\uff0c\u9002\u7528\u4e8e\u519c\u4e1a\u704c\u6e89\u3001\u6cb9\u7530\u5f00\u53d1\u7b49\u6237\u5916\u4e0d\u6613\u53d6\u7535\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u901a\u4fe1\u534f\u8bae\u4e0e\u7f51\u7edc\u8bbe\u8ba1<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u8f7b\u91cf\u7ea7\u6d88\u606f\u4f20\u9012\u534f\u8bae\u5982MQTT\uff0c\u8fd9\u79cd\u534f\u8bae\u9002\u7528\u4e8e\u4f4e\u529f\u8017\u5c0f\u8bbe\u5907\uff0c\u9002\u5408\u4f4e\u5e26\u5bbd\u8fde\u63a5\u81f3\u504f\u8fdc\u5730\u533a\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u6548\u7535\u6c60\u4f7f\u7528\u548c\u5e26\u5bbd\u7684\u5c0f\u578b\u8bbe\u5907\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRaWAN\u6280\u672f\u5229\u7528\u5de5\u4e1a\u3001\u79d1\u5b66\u548c\u533b\u7597(ISM)\u9891\u6bb5\u7684\u672a\u6388\u6743\u65e0\u7ebf\u7535\u9891\u8c31\uff0c\u63d0\u4f9b\u9ad8\u6548\u7684\u57ce\u5e02\u3001\u519c\u6751\u548c\u5ba4\u5185\u73af\u5883\u8986\u76d6\uff0c\u4e14\u6210\u672c\u4f4e\u5ec9\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u7f51\u5173\u8bbe\u5907\u7684\u4f4e\u529f\u8017\u8bbe\u8ba1\u901a\u8fc7\u9009\u62e9\u4f4e\u529f\u8017\u786c\u4ef6\u3001\u4f18\u5316\u8f6f\u4ef6\u914d\u7f6e\u3001\u91c7\u7528\u5148\u8fdb\u7684\u80fd\u6e90\u7ba1\u7406\u65b9\u6848\u4ee5\u53ca\u4f7f\u7528\u9ad8\u6548\u7684\u901a\u4fe1\u534f\u8bae\u7b49\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRa\u7f51\u5173\u8bbe\u5907\u7684\u5e7f\u57df\u8986\u76d6\u80fd\u529b?<\/h2>\n\n\n\n<p>\u3000\u3000\u8bc4\u4f30LoRa\u7f51\u5173\u8bbe\u5907\u7684\u5e7f\u57df\u8986\u76d6\u80fd\u529b\u9700\u8981\u8003\u8651\u591a\u4e2a\u56e0\u7d20\uff0c\u5305\u62ec\u7f51\u5173\u7684\u4f4d\u7f6e\u3001\u73af\u5883\u56e0\u7d20\u3001\u4fe1\u53f7\u4f20\u64ad\u7279\u6027\u4ee5\u53ca\u7f51\u7edc\u534f\u8bae\u548c\u67b6\u6784\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u8bc4\u4f30\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul 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