{"id":100144,"date":"2024-12-30T11:10:55","date_gmt":"2024-12-30T03:10:55","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=100144"},"modified":"2024-12-30T11:10:59","modified_gmt":"2024-12-30T03:10:59","slug":"lwmldszc","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/100144.html","title":{"rendered":"LoRa\u8bef\u7801\u7387\u591a\u5c11\u6b63\u5e38\uff1f"},"content":{"rendered":"\n

\u3000\u3000LoRa\u7cfb\u7edf\u7684\u8bef\u7801\u7387(Bit Error Rate, BER)\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6027\u80fd\u6307\u6807\uff0c\u7528\u4e8e\u8861\u91cf\u901a\u4fe1\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002<\/strong>LoRa\u6280\u672f\u901a\u8fc7\u524d\u5411\u7ea0\u9519\u7801(FEC)\u6765\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4ece\u800c\u5728\u4f4e\u4fe1\u566a\u6bd4\u73af\u5883\u4e0b\u4ecd\u80fd\u7ef4\u6301\u8f83\u4f4e\u7684\u8bef\u7801\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa\u7684\u8bef\u7801\u7387\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5305\u62ec\u4fe1\u566a\u6bd4(SNR)\u3001\u6269\u9891\u56e0\u5b50(SF)\u3001\u7f16\u7801\u7387(CR)\u7b49\u3002\u4f8b\u5982\uff0c\u5728SNR\u4e3a-7.5dB\u65f6\uff0cLoRa\u7cfb\u7edf\u53ef\u4ee5\u8fbe\u52301%\u7684\u8bef\u5305\u7387\u3002\u6b64\u5916\uff0c\u968f\u7740\u4fe1\u566a\u6bd4\u7684\u63d0\u9ad8\uff0c\u8bef\u7801\u7387\u4f1a\u9010\u6e10\u964d\u4f4e\u3002\u5728\u4e00\u4e9b\u5b9e\u9a8c\u4e2d\uff0c\u5f53\u4fe1\u566a\u6bd4\u8fbe\u523010dB\u65f6\uff0cLoRa\u7cfb\u7edf\u7684\u8bef\u7801\u7387\u53ef\u4ee5\u8fbe\u52300.1%\u3002<\/p>\n\n\n\n

\u3000\u3000\u5bf9\u4e8eLoRa\u7cfb\u7edf\u800c\u8a00\uff0c\u5408\u7406\u7684\u8bef\u7801\u7387\u76ee\u6807\u901a\u5e38\u662f\u572810^-4\u523010^-6\u4e4b\u95f4\u3002\u4f8b\u5982\uff0c\u67d0\u4e9b\u7814\u7a76\u8bbe\u5b9a\u4e86\u76ee\u6807\u6bd4\u7279\u8bef\u7801\u7387\u4e3a10^-4.\u800c\u8ba1\u7b97\u673a\u7f51\u7edc\u7cfb\u7edf\u4e2d\u4e00\u822c\u8981\u6c42\u8bef\u7801\u7387\u4f4e\u4e8e10^-6.<\/p>\n\n\n\n

\u3000\u3000\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cLoRa\u7cfb\u7edf\u7684\u8bbe\u8ba1\u5141\u8bb8\u901a\u8fc7\u8c03\u6574\u7f16\u7801\u7387\u548c\u6269\u9891\u56e0\u5b50\u6765\u4f18\u5316\u8bef\u7801\u7387\u3002\u8f83\u9ad8\u7684\u7f16\u7801\u7387(\u59824\/5\u62164\/6)\u867d\u7136\u589e\u52a0\u4e86\u4f20\u8f93\u5f00\u9500\uff0c\u4f46\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u8bef\u7801\u7387\u3002\u7136\u800c\uff0c\u7f16\u7801\u7387\u8d8a\u9ad8\uff0c\u6709\u6548\u6570\u636e\u4f20\u8f93\u901f\u7387\u8d8a\u4f4e\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u7cfb\u7edf\u7684\u8bef\u7801\u7387\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u901a\u5e38\u5e94\u63a7\u5236\u5728\u8f83\u4f4e\u6c34\u5e73\uff0c\u4f8b\u598210^-4\u523010^-6\u4e4b\u95f4\uff0c\u4ee5\u786e\u4fdd\u901a\u4fe1\u7684\u53ef\u9760\u6027\u548c\u6570\u636e\u4f20\u8f93\u7684\u5b8c\u6574\u6027\u3002\u5177\u4f53\u7684\u8bef\u7801\u7387\u76ee\u6807\u8fd8\u9700\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u548c\u73af\u5883\u6761\u4ef6\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 \u5728LoRa\u7cfb\u7edf\u4e2d\uff0c\u7f16\u7801\u7387\u5bf9\u8bef\u7801\u7387\u7684\u5f71\u54cd<\/h2>\n\n\n\n

\u3000\u3000\u5728LoRa\u7cfb\u7edf\u4e2d\uff0c\u7f16\u7801\u7387(CR)\u5bf9\u8bef\u7801\u7387(BER)\u7684\u5f71\u54cd\u4e3b\u8981\u4f53\u73b0\u5728\u901a\u8fc7\u589e\u52a0\u5197\u4f59\u6bd4\u7279\u6765\u63d0\u9ad8\u94fe\u8def\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u53ef\u9760\u6027\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u7f16\u7801\u7387\u8868\u793a\u6570\u636e\u6d41\u4e2d\u6709\u7528\u90e8\u5206\u7684\u6bd4\u4f8b\uff0c\u901a\u5e38\u4ee5k\/n\u7684\u5f62\u5f0f\u8868\u793a\uff0c\u5176\u4e2dk\u4e3a\u6709\u7528\u4fe1\u606f\u7684\u4f4d\u6570\uff0cn\u4e3a\u7f16\u7801\u5668\u4ea7\u751f\u7684\u603b\u4f4d\u6570\uff0cn-k\u5373\u4e3a\u4f20\u8f93\u5f00\u9500\uff0c\u7528\u4e8e\u643a\u5e26\u5197\u4f59\u4fe1\u606f\u4ee5\u7ea0\u6b63\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u9519\u8bef\u3002<\/p>\n\n\n\n

\u3000\u3000\u7f16\u7801\u7387\u4e0e\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u8f83\u9ad8\u7684\u7f16\u7801\u7387\u610f\u5473\u7740\u66f4\u591a\u7684\u5197\u4f59\u6bd4\u7279\u88ab\u6dfb\u52a0\u5230\u6570\u636e\u5305\u4e2d\uff0c\u8fd9\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u8fd9\u662f\u56e0\u4e3a\u5197\u4f59\u4f4d\u53ef\u4ee5\u5e2e\u52a9\u63a5\u6536\u7aef\u5728\u5b58\u5728\u5e72\u6270\u7684\u60c5\u51b5\u4e0b\u6b63\u786e\u89e3\u7801\u6570\u636e\uff0c\u4ece\u800c\u63d0\u9ad8\u94fe\u8def\u7684\u53ef\u9760\u6027\u3002\u4f8b\u5982\uff0c\u5f53\u4fe1\u9053\u6761\u4ef6\u8f83\u5dee\u65f6\uff0c\u589e\u52a0\u7f16\u7801\u7387\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6297\u5e72\u6270\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000\u7f16\u7801\u7387\u8d8a\u9ad8\uff0c\u4f20\u8f93\u7684\u6570\u636e\u5f00\u9500\u8d8a\u5927\uff0c\u5373\u4f20\u8f93\u7684\u6570\u636e\u5305\u4e2d\u5305\u542b\u66f4\u591a\u7684\u5197\u4f59\u4f4d\uff0c\u8fd9\u4f1a\u964d\u4f4e\u6709\u6548\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u5e76\u5ef6\u957f\u4f20\u8f93\u65f6\u95f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u7f16\u7801\u7387\u4e0e\u8bef\u7801\u7387\u7684\u5173\u7cfb<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u7f16\u7801\u7387\u7684\u63d0\u9ad8\u867d\u7136\u589e\u52a0\u4e86\u5197\u4f59\u6bd4\u7279\uff0c\u4f46\u540c\u65f6\u4e5f\u589e\u52a0\u4e86\u4f20\u8f93\u7684\u6570\u636e\u5f00\u9500\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u6709\u6548\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u5197\u4f59\u6bd4\u7279\u7684\u5b58\u5728\u4f7f\u5f97\u7cfb\u7edf\u5728\u9762\u5bf9\u5e72\u6270\u65f6\u80fd\u591f\u66f4\u597d\u5730\u6062\u590d\u539f\u59cb\u6570\u636e\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u8bef\u7801\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u7f16\u7801\u7387\u53ef\u4ee5\u5728\u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u53ef\u9760\u6027\u7684\u540c\u65f6\uff0c\u5c3d\u53ef\u80fd\u5730\u51cf\u5c11\u4f20\u8f93\u5f00\u9500\u3002\u4f8b\u5982\uff0c\u7f16\u7801\u7387\u4e3a4\/5\u65f6\uff0c\u6bcf4\u4f4d\u6709\u6548\u4fe1\u606f\u4f1a\u751f\u62105\u4f4d\u603b\u6570\u636e\uff0c\u5176\u4e2d1\u4f4d\u662f\u5197\u4f59\u4f4d\u3002\u8fd9\u79cd\u914d\u7f6e\u53ef\u4ee5\u5728\u4fe1\u9053\u6761\u4ef6\u8f83\u5dee\u65f6\u63d0\u4f9b\u8f83\u597d\u7684\u6297\u5e72\u6270\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000\u5177\u4f53\u6570\u503c\u7684\u5f71\u54cd<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000LoRa\u7cfb\u7edf\u4e2d\u5e38\u7528\u7684\u7f16\u7801\u7387\u67094\/5\u30014\/6\u30014\/7\u548c4\/8.\u4f8b\u5982\uff0c\u7f16\u7801\u7387\u4e3a4\/5\u65f6\uff0c\u6bcf4\u4f4d\u6709\u6548\u4fe1\u606f\u4f1a\u751f\u62105\u4f4d\u603b\u6570\u636e\uff0c\u5176\u4e2d1\u4f4d\u662f\u5197\u4f59\u4f4d\u3002\u8fd9\u79cd\u914d\u7f6e\u53ef\u4ee5\u5728\u4fe1\u9053\u6761\u4ef6\u8f83\u5dee\u65f6\u63d0\u4f9b\u8f83\u597d\u7684\u6297\u5e72\u6270\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000\u7f16\u7801\u7387\u4e3a4\/6\u65f6\uff0c\u6bcf4\u4f4d\u6709\u6548\u4fe1\u606f\u4f1a\u751f\u62106\u4f4d\u603b\u6570\u636e\uff0c\u5176\u4e2d2\u4f4d\u662f\u5197\u4f59\u4f4d\u3002\u8fd9\u79cd\u914d\u7f6e\u8fdb\u4e00\u6b65\u589e\u52a0\u4e86\u5197\u4f59\u6bd4\u7279\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4f46\u540c\u65f6\u4e5f\u589e\u52a0\u4e86\u4f20\u8f93\u5f00\u9500\u548c\u5ef6\u8fdf\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u7cfb\u7edf\u4e2d\u4e0d\u540c\u7f16\u7801\u7387\u5bf9\u8bef\u7801\u7387\u7684\u5177\u4f53\u5f71\u54cd\u4e3b\u8981\u4f53\u73b0\u5728\u901a\u8fc7\u589e\u52a0\u5197\u4f59\u6bd4\u7279\u6765\u63d0\u9ad8\u94fe\u8def\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u53ef\u9760\u6027\u3002\u8f83\u9ad8\u7684\u7f16\u7801\u7387\u867d\u7136\u4f1a\u589e\u52a0\u4f20\u8f93\u7684\u6570\u636e\u5f00\u9500\u548c\u5ef6\u957f\u4f20\u8f93\u65f6\u95f4\uff0c\u4f46\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u8bef\u7801\u7387\uff0c\u7279\u522b\u662f\u5728\u4fe1\u9053\u6761\u4ef6\u8f83\u5dee\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 \u5728\u4e0d\u540c\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0bLoRa\u7cfb\u7edf\u7684\u8bef\u7801\u7387<\/h2>\n\n\n\n

\u3000\u3000\u5728\u4e0d\u540c\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\uff0cLoRa\u7cfb\u7edf\u7684\u8bef\u7801\u7387\u8868\u73b0\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u3000\u9ad8\u4fe1\u566a\u6bd4\u6761\u4ef6<\/strong>\uff1a\u5728\u9ad8\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\uff0cLoRa\u7cfb\u7edf\u7684\u8bef\u7801\u7387\u8f83\u4f4e\u3002\u8fd9\u662f\u56e0\u4e3a\u8f83\u9ad8\u7684SNR\u503c\u8868\u793a\u8f83\u4f4e\u7684\u566a\u58f0\u6c34\u5e73\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u30001. \u4f4e\u4fe1\u566a\u6bd4\u6761\u4ef6<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u4f20\u7edfLoRa\u7cfb\u7edf<\/strong>\uff1a\u5728\u4f4e\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\uff0cLoRa\u7cfb\u7edf\u7684\u8bef\u7801\u7387\u8f83\u9ad8\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u56fa\u5b9a\u7684SF10\u65f6\uff0cLoRaWAN\u53ef\u4ee5\u5728\u4fe1\u566a\u6bd4\u4e3a-15 dB\u65f6\u89e3\u7801\u6570\u636e\u5305\u3002<\/p>\n\n\n\n

\u3000\u3000\u6539\u8fdb\u540e\u7684LoRa\u7cfb\u7edf<\/strong>\uff1a\u901a\u8fc7\u91c7\u7528XCopy\u6280\u672f\uff0c\u5373\u4f7f\u5728\u4fe1\u566a\u6bd4\u964d\u81f3-25 dB\u65f6\u4e5f\u80fd\u6b63\u786e\u89e3\u7801\u6570\u636e\u5305\u3002\u6b64\u5916\uff0c\u5f53\u4f7f\u80fdADR\u65f6\uff0cXCopy\u5c06\u62a5\u6587\u89e3\u7801\u7684\u6700\u5c0f\u4fe1\u566a\u6bd4\u4ece\u221220 dB\u63a8\u81f3\u221230 dB\u3002<\/p>\n\n\n\n

\u3000\u3000LDPC\u7f16\u89e3\u7801<\/strong>\uff1a\u57fa\u4e8e\u4f4e\u5bc6\u5ea6\u5947\u5076\u6821\u9a8c(LDPC)\u7f16\u89e3\u7801\u7684LoRa\u901a\u4fe1\u7cfb\u7edf\uff0c\u5728\u76f8\u540c\u7f16\u7801\u7387\u4e0b\uff0c\u5f53\u8bef\u7801\u7387(BER)\u4e3a10^-3\u65f6\uff0c\u76f8\u8f83\u4e8e\u4f20\u7edf\u7cfb\u7edf\uff0c\u4fe1\u566a\u6bd4\u6027\u80fd\u53ef\u653e\u5bbd\u7ea61.5 dB\u3002<\/p>\n\n\n\n

\u3000\u30002. \u6269\u9891\u56e0\u5b50\uff08SF\uff09\u7684\u5f71\u54cd<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50\u8d8a\u5927\uff0c\u4f20\u64ad\u65f6\u95f4\u8d8a\u957f\uff0c\u6bd4\u7279\u7387\u8d8a\u4f4e\uff0c\u63a5\u6536\u7075\u654f\u5ea6\u8d8a\u9ad8\u3002\u4f8b\u5982\uff0cSF12\u7684\u6570\u636e\u5305\u5728\u8d1f\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\u4e5f\u80fd\u6b63\u5e38\u63a5\u6536\uff0c\u8fd9\u6539\u5584\u4e86LoRa\u63a5\u6536\u673a\u7684\u7075\u654f\u5ea6\u3001\u94fe\u8def\u9884\u7b97\u53ca\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u5bf9\u4e8e\u5177\u6709\u8f83\u5927SFs\u7684\u6570\u636e\u5305\uff0c\u4fe1\u566a\u6bd4\u9608\u503c\u751a\u81f3\u53ef\u4ee5\u66f4\u4f4e\u3002\u4f8b\u5982\uff0cSF10\u7684\u6700\u5c0f\u4fe1\u566a\u6bd4\u4e3a\u221231 dB\uff0cSF12\u7684\u6700\u5c0f\u4fe1\u566a\u6bd4\u4e3a\u221235 dB\u3002<\/p>\n\n\n\n

\u3000\u30003. \u7f16\u7801\u7387\uff08CR\uff09\u7684\u5f71\u54cd<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u7f16\u7801\u7387\u5f71\u54cdLoRa\u89e3\u7801\u5668\u7684\u8bef\u7801\u6062\u590d\u80fd\u529b\u3002\u5f53CR\u4ece4\/5\u53d8\u4e3a4\/8\u65f6\uff0cXCopy\u7684\u89e3\u7801\u80fd\u529b\u5e73\u5747\u589e\u52a01.9 dB\u3002<\/p>\n\n\n\n

\u3000\u3000\u4f4e\u7f16\u7801\u7387(\u5982CR=1)\u4f1a\u4ea7\u751f\u8f83\u9ad8\u7684\u4f20\u8f93\u5f00\u9500\uff0c\u4f46\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u8bef\u7801\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u7cfb\u7edf\u5728\u4e0d\u540c\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\u7684\u8bef\u7801\u7387\u8868\u73b0\u56e0\u6269\u9891\u56e0\u5b50\u3001\u7f16\u7801\u7387\u4ee5\u53ca\u91c7\u7528\u7684\u6280\u672f(\u5982XCopy\u548cLDPC\u7f16\u89e3\u7801)\u800c\u6709\u6240\u4e0d\u540c\u3002\u5728\u9ad8\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\uff0c\u8bef\u7801\u7387\u8f83\u4f4e;<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 \u5982\u4f55\u901a\u8fc7\u8c03\u6574\u6269\u9891\u56e0\u5b50\u6765\u4f18\u5316LoRa\u7cfb\u7edf\u7684\u8bef\u7801\u7387?<\/h2>\n\n\n\n

\u3000\u3000\u901a\u8fc7\u8c03\u6574\u6269\u9891\u56e0\u5b50(SF)\u6765\u4f18\u5316LoRa\u7cfb\u7edf\u7684\u8bef\u7801\u7387\uff0c\u4e3b\u8981\u6d89\u53ca\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50\u7684\u5b9a\u4e49\u548c\u4f5c\u7528<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50(SF)\u8868\u793a\u6bcf\u4e2a\u4fe1\u606f\u4f4d\u53d1\u9001\u7684\u7b26\u53f7\u6570\u91cf\u3002\u6269\u9891\u56e0\u5b50\u8d8a\u5927\uff0c\u6bcf\u4e2a\u4fe1\u606f\u4f4d\u88ab\u5206\u6210\u66f4\u591a\u7684\u7801\u7247\u8fdb\u884c\u4f20\u8f93\uff0c\u4ece\u800c\u589e\u52a0\u4e86\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u4fe1\u566a\u6bd4\uff0c\u964d\u4f4e\u4e86\u8bef\u7801\u7387\u3002\u7136\u800c\uff0c\u6269\u9891\u56e0\u5b50\u7684\u589e\u52a0\u4f1a\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50\u4e0e\u8bef\u7801\u7387\u7684\u5173\u7cfb<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u6280\u672f\u901a\u8fc7\u589e\u52a0\u4f20\u8f93\u7684\u5b57\u8282\u91cf\u6765\u964d\u4f4e\u8bef\u7801\u7387\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u6269\u9891\u56e0\u5b50\u8d8a\u5927\uff0c\u4f20\u8f93\u7684\u6570\u636e\u91cf\u589e\u52a0\uff0c\u4f46\u6bd4\u7279\u7387\u964d\u4f4e\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u566a\u6bd4\uff0c\u51cf\u5c11\u8bef\u7801\u7387\u3002\u56e0\u6b64\uff0c\u5728\u9700\u8981\u9ad8\u53ef\u9760\u6027\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u5982\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf\uff0c\u53ef\u4ee5\u4f7f\u7528\u8f83\u9ad8\u7684\u6269\u9891\u56e0\u5b50\u3002<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50\u7684\u9009\u62e9<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000SF\u4e3a6<\/strong>\uff1a\u5f53\u6269\u9891\u56e0\u5b50\u4e3a6\u65f6\uff0cLoRa\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u6700\u5feb\uff0c\u9002\u7528\u4e8e\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u5e94\u7528\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u6297\u5e72\u6270\u80fd\u529b\u8f83\u5f31\u3002<\/p>\n\n\n\n

\u3000\u3000SF\u4e3a7-12<\/strong>\uff1a\u8fd9\u4e9b\u6269\u9891\u56e0\u5b50\u4e4b\u95f4\u662f\u6b63\u4ea4\u7684\uff0c\u9002\u7528\u4e8e\u540c\u4e00\u7f51\u7edc\u4e2d\u591a\u4e2a\u8bbe\u5907\u540c\u65f6\u4f20\u8f93\u6570\u636e\uff0c\u4ece\u800c\u589e\u52a0\u7f51\u7edc\u7684\u541e\u5410\u91cf\u3002\u5728\u9700\u8981\u9ad8\u53ef\u9760\u6027\u548c\u957f\u8ddd\u79bb\u901a\u4fe1\u7684\u5e94\u7528\u4e2d\uff0c\u5efa\u8bae\u9009\u62e9\u8f83\u9ad8\u7684\u6269\u9891\u56e0\u5b50\u3002<\/p>\n\n\n\n

\u3000\u3000\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u8c03\u6574<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5f00\u53d1\u4eba\u5458\u9700\u8981\u6839\u636e\u5177\u4f53\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u6269\u9891\u56e0\u5b50\u3002\u4f8b\u5982\uff0c\u5728\u9700\u8981\u9ad8\u53ef\u9760\u6027\u7684\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u8f83\u9ad8\u7684\u6269\u9891\u56e0\u5b50;\u800c\u5728\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u5e94\u7528\u4e2d\uff0c\u5219\u53ef\u4ee5\u9009\u62e9\u8f83\u4f4e\u7684\u6269\u9891\u56e0\u5b50\u3002\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u8003\u8651\u4fe1\u9053\u6761\u4ef6\u548c\u63a5\u6536\u673a\u7684\u4fe1\u566a\u6bd4\u3002<\/p>\n\n\n\n

\u3000\u3000\u7efc\u5408\u8003\u8651\u5176\u4ed6\u53c2\u6570<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u8c03\u6574\u6269\u9891\u56e0\u5b50\u65f6\uff0c\u8fd8\u9700\u8003\u8651\u7f16\u7801\u7387(CR)\u548c\u4fe1\u53f7\u5e26\u5bbd(BW)\u3002\u7f16\u7801\u7387\u8868\u793a\u524d\u5411\u7ea0\u9519\u7801\u7684\u6bd4\u4f8b\uff0c\u7528\u4e8e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u589e\u52a0\u5197\u4f59\u4ee5\u62b5\u6297\u9519\u8bef\u3002\u4fe1\u53f7\u5e26\u5bbd\u7684\u589e\u52a0\u53ef\u4ee5\u63d0\u9ad8\u6709\u6548\u6570\u636e\u901f\u7387\uff0c\u4f46\u4f1a\u727a\u7272\u63a5\u6536\u7075\u654f\u5ea6\u3002\u56e0\u6b64\uff0c\u5728\u8c03\u6574\u6269\u9891\u56e0\u5b50\u65f6\uff0c\u9700\u5728\u7535\u6c60\u5bff\u547d\u3001\u4f20\u8f93\u8ddd\u79bb\u548c\u6570\u636e\u901f\u7387\u4e4b\u95f4\u505a\u51fa\u6743\u8861\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001 LoRa\u6280\u672f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u8bef\u7801\u7387\u6848\u4f8b<\/h2>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u8bef\u7801\u7387\u6848\u4f8b\u7814\u7a76\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

\u3000\u3000\u57fa\u4e8eLDPC\u7f16\u89e3\u7801\u7684LoRa\u901a\u4fe1\u7cfb\u7edf<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u7814\u7a76\u8868\u660e\uff0c\u901a\u8fc7\u91c7\u7528\u4f4e\u5bc6\u5ea6\u5947\u5076\u6821\u9a8c(LDPC)\u7f16\u89e3\u7801\u66ff\u4ee3\u4f20\u7edf\u7684\u6c49\u660e\u7801\uff0c\u5e76\u7565\u53bb\u4ea4\u7ec7\u8fc7\u7a0b\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8LoRa\u7cfb\u7edf\u7684\u8bef\u7801\u6027\u80fd\u3002\u4eff\u771f\u7ed3\u679c\u663e\u793a\uff0c\u5728\u8bef\u7801\u7387\u6c34\u5e73\u4e3a10^(-3)\u65f6\uff0c\u57fa\u4e8eLDPC\u7f16\u89e3\u7801\u7684LoRa\u901a\u4fe1\u7cfb\u7edf\u76f8\u8f83\u4e8e\u4f20\u7edf\u7cfb\u7edf\uff0c\u4fe1\u566a\u6bd4\u6027\u80fd\u80fd\u591f\u653e\u5bbd\u7ea61.5 dB\u3002\u8fd9\u4e00\u7ed3\u679c\u5bf9\u4e8eLoRa\u7cfb\u7edf\u7684\u5404\u4e2a\u6269\u9891\u56e0\u5b50(SF)\u5747\u6210\u7acb\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\u3002<\/p>\n\n\n\n

\u3000\u3000GFSK\u8c03\u5236\u6a21\u5f0f\u4e0b\u7684LoRa\u7cfb\u7edf<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u9ad8\u65af\u767d\u566a\u58f0\u4fe1\u9053\u4e0b\uff0c\u5f53BT=0.5.h=1.\u4fe1\u566a\u6bd4\u8fbe\u523010dB\u65f6\uff0cGFSK\u89e3\u8c03\u7684\u8bef\u7801\u7387\u6027\u80fd\u53ef\u4ee5\u8fbe\u52300.1%\u3002\u4e0e\u6587\u732e[16]\u76f8\u6bd4\uff0c\u8be5\u7814\u7a76\u5728\u8bef\u7801\u7387\u6027\u80fd\u65b9\u9762\u67093dB\u7684\u589e\u76ca\u3002<\/p>\n\n\n\n

\u3000\u3000\u4fe1\u9053\u7f16\u7801\u5bf9\u8bef\u7801\u7387\u7684\u5f71\u54cd<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u901a\u8fc7\u5f15\u5165\u5faa\u73af\u7ea0\u9519\u7f16\u7801(CRC)\u8fdb\u884c\u524d\u5411\u9519\u8bef\u68c0\u6d4b\u4e0e\u7ea0\u9519\u3002\u4e0d\u540c\u7684\u7f16\u7801\u7387(CR)\u503c\u5bf9\u5e94\u7740\u4e0d\u540c\u7684\u5197\u4f59\u5ea6\u548c\u7ea0\u9519\u80fd\u529b\u3002\u8f83\u9ad8\u7684CR\u503c\u610f\u5473\u7740\u66f4\u591a\u7684\u6570\u636e\u7528\u4e8e\u7ea0\u9519\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\uff0c\u4f46\u4e5f\u4f1a\u964d\u4f4e\u6709\u6548\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u4f8b\u5982\uff0c\u5f53CR=4\/5\u65f6\uff0c\u6bcf\u53d1\u90015\u4e2a\u7f16\u7801\u6bd4\u7279\uff0c\u5176\u4e2d\u53ea\u67094\u4e2a\u662f\u539f\u59cb\u6570\u636e\u6bd4\u7279\uff0c\u5176\u4f59\u7684\u662f\u7528\u4e8e\u7ea0\u9519\u7684\u6821\u9a8c\u6bd4\u7279\u3002<\/p>\n\n\n\n

\u3000\u3000\u524d\u5411\u7ea0\u9519\u7f16\u7801\u6280\u672f\u7684\u5e94\u7528<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000LoRa\u6a21\u5757\u91c7\u7528\u524d\u5411\u7ea0\u9519(FEC)\u7f16\u7801\u6280\u672f\uff0c\u901a\u8fc7\u5728\u6570\u636e\u4e2d\u6dfb\u52a0\u5197\u4f59\u4fe1\u606f\uff0c\u4f7f\u5f97\u63a5\u6536\u7aef\u80fd\u591f\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u68c0\u6d4b\u5e76\u7ea0\u6b63\u9519\u8bef\u3002\u5e38\u7528\u7684FEC\u7f16\u7801\u6280\u672f\u5305\u62ecReed-Solomon\u7f16\u7801\u548c\u5377\u79ef\u7f16\u7801\u3002\u8fd9\u4e9b\u7f16\u7801\u6280\u672f\u901a\u8fc7\u5728\u6570\u636e\u4e2d\u6dfb\u52a0\u6821\u9a8c\u4f4d\uff0c\u4f7f\u5f97\u63a5\u6536\u7aef\u80fd\u591f\u68c0\u6d4b\u5e76\u7ea0\u6b63\u4e00\u5b9a\u6570\u91cf\u7684\u9519\u8bef\u6bd4\u7279\u3002<\/p>\n\n\n\n

\u3000\u3000\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u8bef\u7801\u7387\u6848\u4f8b<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa\u6280\u672f\u7684\u8bef\u7801\u7387\u8868\u73b0\u826f\u597d\uff0c\u5c24\u5176\u662f\u5728\u89e3\u51b3\u7531\u591a\u5f84\u8870\u843d\u5f15\u53d1\u7684\u7a81\u53d1\u6027\u8bef\u7801\u4e2d\u8868\u73b0\u7a81\u51fa\u3002\u4f8b\u5982\uff0c\u5728\u4f4e\u8f68\u9053\u536b\u661f\u7269\u8054\u7f51\u4f20\u8f93\u6280\u672f\u4e2d\uff0cLoRa\u6280\u672f\u901a\u8fc7\u7ebf\u6027\u8c03\u9891\u8c03\u5236\u5bf9\u9891\u79fb\u975e\u5e38\u654f\u611f\uff0c\u56e0\u6b64\u9700\u8981\u5bf9\u6bd4\u7279\u6d41\u6570\u636e\u8fdb\u884c\u4fe1\u9053\u7f16\u7801\u4ee5\u63d0\u5347\u7cfb\u7edf\u6297\u8f7d\u6ce2\u9891\u79fb\u548c\u91c7\u6837\u65f6\u79fb\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u8bef\u7801\u7387\u8868\u73b0\u4e3b\u8981\u4f9d\u8d56\u4e8e\u5176\u5148\u8fdb\u7684\u7f16\u7801\u6280\u672f\u548c\u8c03\u5236\u65b9\u5f0f\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e94\u3001 LoRa\u7cfb\u7edf10^-4\u523010^-6\u7684\u8bef\u7801\u7387\u76ee\u6807\u662f\u5982\u4f55\u6839\u636e\u5e94\u7528\u573a\u666f\u548c\u73af\u5883\u6761\u4ef6\u8c03\u6574\u7684?<\/h2>\n\n\n\n

\u3000\u3000\u6839\u636e\u63d0\u4f9b\u7684\u4fe1\u606f\uff0c\u65e0\u6cd5\u76f4\u63a5\u56de\u7b54\u5173\u4e8eLoRa\u7cfb\u7edf\u4e2d10^-4\u523010^-6\u7684\u8bef\u7801\u7387\u76ee\u6807\u5982\u4f55\u6839\u636e\u5e94\u7528\u573a\u666f\u548c\u73af\u5883\u6761\u4ef6\u8c03\u6574\u7684\u95ee\u9898\u3002\u7136\u800c\uff0c\u53ef\u4ee5\u4ece\u6211\u641c\u7d22\u5230\u7684\u8d44\u6599\u4e2d\u63d0\u53d6\u4e00\u4e9b\u76f8\u5173\u7684\u4fe1\u606f\u6765\u95f4\u63a5\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50\uff08SF\uff09<\/strong> \uff1a\u6269\u9891\u56e0\u5b50\u51b3\u5b9a\u4e86\u6bcf\u4e2a\u4fe1\u606f\u4f4d\u4f7f\u7528\u7684\u7b26\u53f7\u6570\u91cf\uff0c\u5f71\u54cd\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u4f20\u8f93\u8ddd\u79bb\u3002SF\u8d8a\u5927\uff0c\u4f20\u8f93\u7684\u6570\u636e\u901f\u7387\u8d8a\u4f4e\uff0c\u4f46\u80fd\u964d\u4f4e\u8bef\u7801\u7387\u3002\u5728\u957f\u8ddd\u79bb\u4f4e\u529f\u8017\u5e94\u7528\u4e2d\uff0c\u901a\u5e38\u9009\u62e9\u8f83\u9ad8\u7684\u6269\u9891\u56e0\u5b50\u4ee5\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u548c\u964d\u4f4e\u8bef\u7801\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u7f16\u7801\u7387\uff08CR\uff09<\/strong> \uff1a\u7f16\u7801\u7387\u8868\u793a\u6570\u636e\u6d41\u4e2d\u6709\u7528\u90e8\u5206\u7684\u6bd4\u4f8b\uff0c\u9ad8\u7f16\u7801\u7387\u63d0\u9ad8\u6570\u636e\u53ef\u9760\u6027\u4f46\u964d\u4f4e\u4f20\u8f93\u901f\u7387\u3002LoRa\u534f\u8bae\u5141\u8bb8\u6839\u636e\u4fe1\u9053\u6761\u4ef6\u8c03\u6574\u7f16\u7801\u7387\uff0c\u4ee5\u5e73\u8861\u4f20\u8f93\u65f6\u95f4\u548c\u9519\u8bef\u7387\u3002\u5f53\u4fe1\u9053\u6761\u4ef6\u4e0d\u4f73\u65f6\uff0c\u5efa\u8bae\u63d0\u9ad8CR\u503c\uff0c\u4ee5\u589e\u52a0\u5197\u4f59\u5e76\u964d\u4f4e\u9519\u8bef\u7387\uff0c\u4f46\u8fd9\u4f1a\u589e\u52a0\u4f20\u8f93\u65f6\u95f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u4fe1\u53f7\u5e26\u5bbd\uff08BW\uff09<\/strong> \uff1a\u4fe1\u53f7\u5e26\u5bbd\u5f71\u54cd\u4fe1\u53f7\u4f20\u8f93\u901f\u7387\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002\u8f83\u7a84\u5e26\u5bbd\u964d\u4f4e\u5e72\u6270\u654f\u611f\u6027\uff0c\u8f83\u5bbd\u5e26\u5bbd\u63d0\u9ad8\u4f20\u8f93\u901f\u7387\u3002LoRaWAN\u6807\u51c6\u5b9a\u4e49\u4e86125kHz\u548c250kHz\u4e24\u79cd\u5e26\u5bbd\u3002\u5728\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u9009\u62e9\u8f83\u5bbd\u5e26\u5bbd\u4ee5\u63d0\u9ad8\u4f20\u8f93\u901f\u7387\uff0c\u4f46\u5728\u957f\u8ddd\u79bb\u4f4e\u529f\u8017\u5e94\u7528\u4e2d\uff0c\u901a\u5e38\u9009\u62e9\u8f83\u7a84\u5e26\u5bbd\u4ee5\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u548c\u964d\u4f4e\u8bef\u7801\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u4fe1\u566a\u6bd4\uff08SNR\uff09<\/strong> \uff1a\u4fe1\u566a\u6bd4\u662f\u8861\u91cf\u4fe1\u53f7\u8d28\u91cf\u7684\u91cd\u8981\u6307\u6807\uff0c\u5176\u503c\u8d8a\u5927\uff0c\u4fe1\u53f7\u8d28\u91cf\u8d8a\u597d\u3002\u5728\u5b58\u5728\u5e72\u6270\u7684\u60c5\u51b5\u4e0b\uff0c\u524d\u5411\u7ea0\u9519\u80fd\u6709\u6548\u63d0\u9ad8\u94fe\u8def\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u7efc\u5408\u4ee5\u4e0a\u4fe1\u606f\uff0cLoRa\u7cfb\u7edf\u4e2d\u7684\u8bef\u7801\u7387\u76ee\u6807\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u6269\u9891\u56e0\u5b50\u3001\u7f16\u7801\u7387\u548c\u4fe1\u53f7\u5e26\u5bbd\u6765\u5b9e\u73b0\u3002\u5177\u4f53\u8c03\u6574\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u3000\u957f\u8ddd\u79bb\u4f4e\u529f\u8017\u5e94\u7528<\/strong>\uff1a\u9009\u62e9\u8f83\u9ad8\u7684\u6269\u9891\u56e0\u5b50\u548c\u8f83\u7a84\u7684\u5e26\u5bbd\uff0c\u540c\u65f6\u9009\u62e9\u8f83\u9ad8\u7684\u7f16\u7801\u7387\u4ee5\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u548c\u964d\u4f4e\u8bef\u7801\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u5e94\u7528<\/strong>\uff1a\u9009\u62e9\u8f83\u4f4e\u7684\u6269\u9891\u56e0\u5b50\u548c\u8f83\u5bbd\u7684\u5e26\u5bbd\uff0c\u540c\u65f6\u9009\u62e9\u8f83\u4f4e\u7684\u7f16\u7801\u7387\u4ee5\u63d0\u9ad8\u4f20\u8f93\u901f\u7387\uff0c\u4f46\u9700\u6ce8\u610f\u53ef\u80fd\u589e\u52a0\u7684\u8bef\u7801\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

LoRa\u7cfb\u7edf\u7684\u8bef\u7801\u7387(Bit Error Rate, BER)\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6027\u80fd\u6307\u6807\uff0c\u7528\u4e8e\u8861\u91cf\u901a\u4fe1\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002LoRa\u6280\u672f\u901a\u8fc7\u524d\u5411\u7ea0\u9519\u7801(FEC)\u6765\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b<\/p>\n","protected":false},"author":1,"featured_media":97773,"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-100144","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/100144","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=100144"}],"version-history":[{"count":1,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/100144\/revisions"}],"predecessor-version":[{"id":100145,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/100144\/revisions\/100145"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/97773"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=100144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=100144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=100144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}