{"id":91488,"date":"2024-04-17T11:29:17","date_gmt":"2024-04-17T03:29:17","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=91488"},"modified":"2024-04-17T11:29:21","modified_gmt":"2024-04-17T03:29:21","slug":"rssmys-8","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/91488.html","title":{"rendered":"RSSI\u662f\u4ec0\u4e48\u610f\u601d"},"content":{"rendered":"\n

\u3000\u3000RSSI<\/strong>\u662fReceived Signal Strength Indication\u7684\u7f29\u5199\uff0c\u4e2d\u6587\u610f\u601d\u662f\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a<\/strong>\u3002\u5b83\u662f\u4e00\u4e2a\u8861\u91cf\u65e0\u7ebf\u7535\u4fe1\u53f7\u5f3a\u5ea6\u7684\u6307\u6807\uff0c\u901a\u5e38\u7528\u5206\u8d1d(dBm)\u4f5c\u4e3a\u5355\u4f4d\u6765\u8868\u793a\u3002RSSI\u503c\u53ef\u4ee5\u53cd\u6620\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u5176\u503c\u8d8a\u63a5\u8fd1\u96f6\uff0c\u8868\u793a\u4fe1\u53f7\u5f3a\u5ea6\u8d8a\u9ad8\u3002\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\uff0cRSSI\u7528\u4e8e\u8bc4\u4f30\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u8d28\u91cf\uff0c\u4ee5\u53ca\u5224\u5b9a\u94fe\u63a5\u8d28\u91cf\u662f\u5426\u826f\u597d\u3002RSSI\u7684\u6d4b\u91cf\u5bf9\u4e8e\u4f18\u5316\u65e0\u7ebf\u7f51\u7edc\u7684\u6027\u80fd\u548c\u51cf\u5c11\u5e72\u6270\u975e\u5e38\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5728\u7269\u8054\u7f51(IoT)\u5e94\u7528\u4e2d\uff0c\u901a\u8fc7\u6d4b\u91cfRSSI\u503c\uff0c\u53ef\u4ee5\u5224\u65ad\u8bbe\u5907\u95f4\u7684\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u8fdb\u800c\u4f18\u5316\u8bbe\u5907\u95f4\u7684\u8fde\u63a5\u548c\u6570\u636e\u4f20\u8f93\u3002\u6b64\u5916\uff0cRSSI\u503c\u4e5f\u53ef\u4ee5\u7528\u6765\u8bc4\u4f30\u65e0\u7ebf\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u548c\u8d28\u91cf\uff0c\u5e2e\u52a9\u6280\u672f\u4eba\u5458\u8fdb\u884c\u65e0\u7ebf\u7f51\u7edc\u89c4\u5212\u548c\u4f18\u5316\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 RSSI\u503c\u5982\u4f55\u51c6\u786e\u6d4b\u91cf\u548c\u8ba1\u7b97?<\/h2>\n\n\n\n

\u3000\u3000RSSI\u503c\u7684\u51c6\u786e\u6d4b\u91cf\u548c\u8ba1\u7b97\u6d89\u53ca\u591a\u4e2a\u56e0\u7d20\u548c\u6b65\u9aa4\u3002\u9996\u5148\uff0cRSSI(\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a)\u662f\u901a\u8fc7\u63a5\u6536\u673a\u6d4b\u91cf\u7535\u8def\u5f97\u5230\u7684\u6570\u636e\uff0c\u8868\u793a\u63a5\u6536\u5230\u7684\u6570\u636e\u4fe1\u53f7\u7684\u5f3a\u5f31\u3002RSSI\u503c\u8ba1\u7b97\u516c\u5f0f\u4e3aRSSI = -10 n log10(d) + A\uff0c\u5176\u4e2dn\u662f\u73af\u5883\u8870\u51cf\u56e0\u5b50\uff0cd\u662f\u4fe1\u53f7\u6e90\u5230\u63a5\u6536\u7aef\u7684\u8ddd\u79bb\uff0cA\u662f\u63a5\u6536\u7aef\u7684\u53d1\u5c04\u529f\u7387\u3002<\/strong>\u8fd9\u4e2a\u516c\u5f0f\u8bf4\u660e\u4e86RSSI\u503c\u662f\u5982\u4f55\u6839\u636e\u4fe1\u53f7\u6e90\u5230\u63a5\u6536\u7aef\u7684\u8ddd\u79bb\u4ee5\u53ca\u73af\u5883\u56e0\u7d20\u6765\u8ba1\u7b97\u7684\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4e3a\u4e86\u514b\u670dRSSI\u6d4b\u91cf\u8bef\u5dee\u5bf9\u5b9a\u4f4d\u7cbe\u5ea6\u7684\u5f71\u54cd\uff0c\u53ef\u4ee5\u91c7\u7528\u6539\u8fdb\u7684RSSI\u6d4b\u8ddd\u5b9a\u4f4d\u7b97\u6cd5\u3002\u8fd9\u79cd\u7b97\u6cd5\u8003\u8651\u5230\u53c2\u8003\u8282\u70b9\u95f4\u7684\u51e0\u4f55\u4f4d\u7f6e\uff0c\u9009\u62e9\u6700\u4f18\u53c2\u8003\u8282\u70b9\uff0c\u5e76\u901a\u8fc7\u4e2d\u4f4d\u6570\u6cd5\u5bf9\u540c\u4e00\u53c2\u8003\u8282\u70b9\u91c7\u96c6\u5230\u7684RSSI\u503c\u8fdb\u884c\u6570\u636e\u5904\u7406\uff0c\u4ee5\u83b7\u5f97\u66f4\u51c6\u786e\u7684RSSI\u6743\u503c\u3002\u6b64\u5916\uff0c\u9488\u5bf9RSSI\u6613\u53d7\u73af\u5883\u5e72\u6270\u800c\u51fa\u73b0\u591a\u503c\u7684\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u7528\u57fa\u4e8e\u8ddd\u79bb\u533a\u95f4\u6982\u7387\u52a0\u6743\u7684\u6d4b\u8ddd\u65b9\u6cd5\uff0c\u5efa\u7acbRSSI\u548c\u8ddd\u79bb\u533a\u95f4\u4e4b\u95f4\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u4ee5\u51cf\u5c11\u6d4b\u8ddd\u65f6\u7684\u8bef\u5dee\u3002<\/p>\n\n\n\n

\u3000\u3000\u51c6\u786e\u6d4b\u91cf\u548c\u8ba1\u7b97RSSI\u503c\u9700\u8981\u7efc\u5408\u8003\u8651\u4fe1\u53f7\u6e90\u5230\u63a5\u6536\u7aef\u7684\u8ddd\u79bb\u3001\u73af\u5883\u8870\u51cf\u56e0\u5b50\u3001\u63a5\u6536\u7aef\u7684\u53d1\u5c04\u529f\u7387\u7b49\u56e0\u7d20\uff0c\u5e76\u53ef\u80fd\u9700\u8981\u91c7\u7528\u7279\u5b9a\u7684\u7b97\u6cd5\u6216\u6280\u672f\u6765\u4f18\u5316\u6d4b\u91cf\u7ed3\u679c\uff0c\u5982\u6539\u8fdb\u7684RSSI\u6d4b\u8ddd\u5b9a\u4f4d\u7b97\u6cd5\u6216\u57fa\u4e8e\u8ddd\u79bb\u533a\u95f4\u6982\u7387\u52a0\u6743\u7684\u6d4b\u8ddd\u65b9\u6cd5\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 \u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\uff0cRSSI\u503c\u5bf9\u7f51\u7edc\u6027\u80fd\u7684\u5177\u4f53\u5f71\u54cd\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

\u3000\u3000\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\uff0cRSSI(\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a)\u503c\u662f\u8861\u91cf\u65e0\u7ebf\u7f51\u7edc\u8d28\u91cf\u7684\u4e00\u4e2a\u91cd\u8981\u6307\u6807\u3002RSSI\u503c\u7684\u5927\u5c0f\u76f4\u63a5\u5f71\u54cd\u5230\u901a\u8bdd\u8d28\u91cf\u3001\u7f51\u7edc\u8986\u76d6\u8303\u56f4\u3001\u5bb9\u91cf\u4ee5\u53ca\u5207\u6362\u548c\u62e5\u585e\u7b49\u65b9\u9762\u3002\u4e00\u822c\u6765\u8bf4\uff0cRSSI\u503c\u5728-50dBm\u5230-60dBm\u4e4b\u95f4\u65f6\uff0c\u65e0\u7ebf\u7f51\u7edc\u7684\u6027\u80fd\u6700\u597d;RSSI\u503c\u5728-60dBm\u5230-70dBm\u4e4b\u95f4\u65f6\uff0c\u65e0\u7ebf\u7f51\u7edc\u7684\u6027\u80fd\u826f\u597d;\u800cRSSI\u503c\u5728-70dBm\u5230-80dBm\u4e4b\u95f4\u65f6\uff0c\u65e0\u7ebf\u7f51\u7edc\u7684\u6027\u80fd\u5f00\u59cb\u4e0b\u964d\u3002\u8fd9\u8868\u660eRSSI\u503c\u8d8a\u5c0f\uff0c\u901a\u5e38\u610f\u5473\u7740\u4fe1\u53f7\u8d28\u91cf\u8d8a\u597d\uff0c\u4ece\u800c\u6709\u52a9\u4e8e\u63d0\u9ad8\u65e0\u7ebf\u7f51\u7edc\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000\u901a\u8fc7\u8c03\u6574RSSI\u9608\u503c\uff0c\u53ef\u4ee5\u4f18\u5316\u65e0\u7ebf\u7f51\u7edc\u7684\u6027\u80fd\uff0c\u5b9e\u73b0\u6700\u4f73\u7684\u4fe1\u53f7\u8986\u76d6\u548c\u4f20\u8f93\u6027\u80fd\u3002\u8fd9\u662f\u56e0\u4e3a\u4e0d\u540c\u7684\u7f51\u7edc\u8986\u76d6\u8303\u56f4\u548c\u4fe1\u53f7\u7a7f\u900f\u80fd\u529b\u9700\u8981\u4e0d\u540c\u7684RSSI\u9608\u503c\u6765\u786e\u4fdd\u901a\u4fe1\u8d28\u91cf\u3002\u4f8b\u5982\uff0c\u84dd\u7259\u6280\u672f\u8981\u6c42RSSI\u503c\u5728-50dBm\u4ee5\u4e0a\u5c31\u53ef\u4ee5\u4fdd\u8bc1\u901a\u4fe1\u8d28\u91cf\uff0c\u8fd9\u8bf4\u660e\u5bf9\u4e8e\u4e0d\u540c\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u800c\u8a00\uff0cRSSI\u503c\u7684\u8981\u6c42\u662f\u4e0d\u540c\u7684\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0cRSSI\u503c\u7684\u53d8\u5316\u4e0e\u65e0\u7ebf\u901a\u4fe1\u8d28\u91cf\u3001\u8986\u76d6\u8303\u56f4\u7b49\u5bc6\u5207\u76f8\u5173\uff0c\u901a\u8fc7\u76d1\u63a7\u548c\u5206\u6790RSSI\u503c\uff0c\u53ef\u4ee5\u8c03\u6574\u8bbe\u5907\u7684\u4f4d\u7f6e\u548c\u4fe1\u53f7\u4f20\u8f93\u7684\u53c2\u6570\uff0c\u4ee5\u786e\u4fdd\u826f\u597d\u7684\u901a\u4fe1\u8d28\u91cf\u3002\u7136\u800c\uff0c\u591a\u5f84\u4f20\u64ad\u4e5f\u4f1a\u5bfc\u81f4RSSI\u5e45\u5ea6\u6ce2\u52a8\uff0c\u8fd9\u79cd\u6ce2\u52a8\u4f1a\u5f71\u54cd\u5b9a\u4f4d\u65f6\u65e0\u7ebf\u4fe1\u53f7\u6307\u7eb9\u7684\u6b63\u786e\u5339\u914d\uff0c\u4ece\u800c\u5236\u7ea6\u4e86RSSI\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000RSSI\u503c\u5bf9\u7f51\u7edc\u6027\u80fd\u7684\u5177\u4f53\u5f71\u54cd\u4e3b\u8981\u4f53\u73b0\u5728\u5b83\u80fd\u591f\u53cd\u6620\u65e0\u7ebf\u7f51\u7edc\u7684\u4fe1\u53f7\u8d28\u91cf\uff0c\u8fdb\u800c\u5f71\u54cd\u901a\u8bdd\u8d28\u91cf\u3001\u7f51\u7edc\u8986\u76d6\u8303\u56f4\u3001\u5bb9\u91cf\u4ee5\u53ca\u5207\u6362\u548c\u62e5\u585e\u7b49\u65b9\u9762\u3002\u901a\u8fc7\u5408\u7406\u8c03\u6574RSSI\u9608\u503c\uff0c\u53ef\u4ee5\u4f18\u5316\u65e0\u7ebf\u7f51\u7edc\u7684\u6027\u80fd\uff0c\u5b9e\u73b0\u6700\u4f73\u7684\u4fe1\u53f7\u8986\u76d6\u548c\u4f20\u8f93\u6027\u80fd\u3002\u540c\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u591a\u5f84\u4f20\u64ad\u7b49\u56e0\u7d20\u4f1a\u5bfc\u81f4RSSI\u503c\u7684\u6ce2\u52a8\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5f71\u54cd\u65e0\u7ebf\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 \u5982\u4f55\u5229\u7528RSSI\u503c\u4f18\u5316\u7269\u8054\u7f51(IoT)\u8bbe\u5907\u95f4\u7684\u8fde\u63a5\u548c\u6570\u636e\u4f20\u8f93?<\/h2>\n\n\n\n

\u3000\u3000\u5229\u7528RSSI\u503c\u4f18\u5316\u7269\u8054\u7f51(IoT)\u8bbe\u5907\u95f4\u7684\u8fde\u63a5\u548c\u6570\u636e\u4f20\u8f93\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\u5b9e\u73b0\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u8bbe\u7f6e\u9002\u5f53\u7684RSSI\u9608\u503c\uff1a\u901a\u8fc7\u5206\u6790\u548c\u6d4b\u8bd5\uff0c\u786e\u5b9a\u4e00\u4e2a\u5408\u9002\u7684RSSI\u9608\u503c\uff0c\u4ee5\u786e\u4fdd\u65e0\u7ebf\u901a\u4fe1\u7684\u6027\u80fd\u8fbe\u5230\u6700\u4f73\u72b6\u6001\u30022. \u5229\u7528RSSI\u8fdb\u884c\u8282\u70b9\u5b9a\u4f4d\u548c\u94fe\u8def\u8d28\u91cf\u8bc4\u4f30\uff1a\u5728\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc(WSNs)\u4e2d\uff0c\u8282\u70b9\u7684\u79fb\u52a8\u6027\u7ed9\u534f\u8bae\u8bbe\u8ba1\u5e26\u6765\u4e86\u6311\u6218\u3002\u901a\u8fc7\u96c6\u6210\u5728\u4f20\u611f\u5668\u4e2d\u7684RSSI\u6280\u672f\uff0c\u53ef\u4ee5\u7528\u4e8e\u8282\u70b9\u7684\u5b9a\u4f4d\u3001\u94fe\u8def\u8d28\u91cf\u8bc4\u4f30\u4ee5\u53ca\u89e6\u53d1\u53ef\u80fd\u7684\u624b\u52a8\u5207\u6362\u3002\u8fd9\u6709\u52a9\u4e8e\u4f18\u5316\u8bbe\u5907\u95f4\u7684\u8fde\u63a5\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u91c7\u7528\u57fa\u4e8eRSSI\u7684\u8ddd\u79bb\u4fee\u6b63\u5b9a\u4f4d\u7b97\u6cd5\uff1a\u5229\u7528\u5df2\u77e5\u951a\u8282\u70b9\u53d1\u5c04\u4fe1\u53f7\u7684\u5f3a\u5ea6\uff0c\u6839\u636e\u672a\u77e5\u8282\u70b9\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u53ef\u4ee5\u5b9e\u73b0\u7b80\u5355\u7684\u6d4b\u8ddd\u529f\u80fd\u3002\u8fd9\u79cd\u65b9\u6cd5\u65e0\u9700\u989d\u5916\u786c\u4ef6\uff0c\u5177\u6709\u4f4e\u529f\u8017\u548c\u4f4e\u6210\u672c\u7684\u7279\u70b9\uff0c\u9002\u7528\u4e8e\u5e7f\u6cdb\u7684\u7269\u8054\u7f51\u5e94\u7528\u573a\u666f\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u6539\u5584\u73af\u5883\u6761\u4ef6\u548c\u4fe1\u53f7\u6e90\u529f\u7387\uff1a\u4e3a\u4e86\u63d0\u9ad8RSSI\u503c\uff0c\u53ef\u4ee5\u91c7\u53d6\u63aa\u65bd\u6539\u5584\u73af\u5883\u6761\u4ef6\uff0c\u589e\u52a0\u4fe1\u53f7\u6e90\u7684\u529f\u7387\uff0c\u4ee5\u53ca\u964d\u4f4e\u4fe1\u53f7\u6e90\u4e0e\u63a5\u6536\u7aef\u7684\u8ddd\u79bb\u3002\u8fd9\u4e9b\u63aa\u65bd\u6709\u52a9\u4e8e\u63d0\u5347\u4fe1\u53f7\u7684\u8d28\u91cf\uff0c\u4ece\u800c\u4f18\u5316\u7269\u8054\u7f51\u8bbe\u5907\u95f4\u7684\u8fde\u63a5\u548c\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u521d\u59cb\u5316\u548c\u91c7\u6837RSSI\u503c\uff1a\u5728\u7269\u8054\u7f51\u5e94\u7528\u4e2d\uff0c\u9996\u5148\u9700\u8981\u521d\u59cb\u5316RSSI\u529f\u80fd\uff0c\u5e76\u542f\u52a8RSSI\u91c7\u6837\u3002\u901a\u8fc7\u8bfb\u53d6\u663e\u793a\u7684RSSI\u503c\uff0c\u53ef\u4ee5\u5b9e\u65f6\u76d1\u63a7\u548c\u8c03\u6574\u65e0\u7ebf\u8fde\u63a5\u7684\u72b6\u6001\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u53ef\u4ee5\u6709\u6548\u5730\u5229\u7528RSSI\u503c\u6765\u4f18\u5316\u7269\u8054\u7f51\u8bbe\u5907\u95f4\u7684\u8fde\u63a5\u548c\u6570\u636e\u4f20\u8f93\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n\n\n\n

    \u3000\u3000\u56db\u3001 RSSI\u503c\u5728\u65e0\u7ebf\u7f51\u7edc\u89c4\u5212\u4e2d\u7684\u5e94\u7528\u6709\u54ea\u4e9b\u5177\u4f53\u6848\u4f8b?<\/h2>\n\n\n\n

    \u3000\u3000RSSI\u503c\u5728\u65e0\u7ebf\u7f51\u7edc\u89c4\u5212\u4e2d\u7684\u5e94\u7528\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

      \n
    • \u3000\u3000\u8d1f\u8f7d\u5747\u8861\uff1a\u901a\u8fc7\u914d\u7f6e\u9759\u6001\u8d1f\u8f7d\u5747\u8861\u7ec4\u6210\u5458\u7684RSSI\u9608\u503c\uff0c\u53ef\u4ee5\u8fc7\u6ee4\u6389\u4fe1\u53f7\u5f31\u7684AP(\u63a5\u5165\u70b9)\uff0c\u4f7f\u5f97STA( stations)\u80fd\u591f\u5728\u4fe1\u53f7\u8f83\u597d\u7684AP\u95f4\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\uff0c\u907f\u514d\u51fa\u73b0STA\u8fc7\u591a\u96c6\u4e2d\u5728\u4fe1\u53f7\u5f31\u7684AP\u4e0a\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7edc\u7684\u6574\u4f53\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u5b9a\u4f4d\u8ba1\u7b97\uff1aRSSI\u503c\u4e0e\u53d1\u5c04\u70b9\u4e0e\u63a5\u6536\u70b9\u7684\u8ddd\u79bb\u6709\u4e00\u5b9a\u7684\u5173\u7cfb\uff0c\u56e0\u6b64\u53ef\u4ee5\u4f9d\u636eRSSI\u8fdb\u884c\u7c97\u7565\u7684\u5b9a\u4f4d\u8ba1\u7b97\u3002\u4f8b\u5982\uff0c\u82f9\u679c\u7684iBeacon\u5c31\u662f\u5229\u7528\u8fd9\u4e00\u539f\u7406\u6765\u5b9e\u73b0\u5ba4\u5185\u5b9a\u4f4d\u7684\u3002\u901a\u8fc7RSSI\u8f6c\u8ddd\u79bb\u7b97\u6cd5\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u6d4b\u91cf\u6570\u636e\u62df\u5408\u6216\u4f7f\u7528\u901a\u7528\u516c\u5f0f\u6765\u4f30\u7b97\u8bbe\u5907\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc\u5b9a\u4f4d\uff1a\u5728\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc\u4e2d\uff0c\u57fa\u4e8eRSSI\u7684\u8282\u70b9\u5b9a\u4f4d\u6280\u672f\u88ab\u5e7f\u6cdb\u7814\u7a76\u548c\u5e94\u7528\u3002\u5c3d\u7ba1\u5b58\u5728\u6613\u53d7\u591a\u5f84\u4f20\u64ad\u3001\u975e\u89c6\u8ddd\u7b49\u5f71\u54cd\u800c\u4f7f\u5f97\u6d4b\u8ddd\u8bef\u5dee\u589e\u5927\u3001\u5b9a\u4f4d\u7cbe\u5ea6\u964d\u4f4e\u7684\u95ee\u9898\uff0c\u4f46\u901a\u8fc7\u6539\u8fdb\u7b97\u6cd5\u548c\u6280\u672f\uff0c\u4ecd\u7136\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u7cbe\u5ea6\u548c\u7a33\u5b9a\u6027\u597d\u7684\u8282\u70b9\u5b9a\u4f4d\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u5ba4\u5185\u5b9a\u4f4d\u7cfb\u7edf\uff1a\u4f4e\u529f\u8017\u84dd\u7259(BLE)\u6280\u672f\u7ed3\u5408RSSI\u503c\uff0c\u4e3a\u5305\u62ec\u667a\u80fd\u624b\u673a\u5728\u5185\u7684\u5404\u79cd\u5e94\u7528\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u3001\u8282\u80fd\u3001\u4f4e\u90e8\u7f72\u6210\u672c\u7684\u5ba4\u5185\u5b9a\u4f4d\u89e3\u51b3\u65b9\u6848\u3002\u8fd9\u79cd\u57fa\u4e8eBLE\u4fe1\u6807\u7684\u5ba4\u5185\u5b9a\u4f4d\u7cfb\u7edf\u80fd\u591f\u5728\u5bc6\u96c6\u7684\u5ba4\u5185\u73af\u5883\u4e2d\u5bf9BLE RSSI\u8fdb\u884c\u6df1\u5165\u5b9e\u9a8c\u7814\u7a76\uff0c\u4ee5\u4f18\u5316\u5b9a\u4f4d\u6027\u80fd\u3002<\/li>\n\n\n\n
    • \u3000\u3000Java\u5b9e\u73b0RSSI\u6d4b\u8ddd\u7b97\u6cd5\uff1a\u5728\u8f6f\u4ef6\u5f00\u53d1\u9886\u57df\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528WiFi\u6216\u84dd\u7259\u6a21\u5757\u7684API\u6765\u83b7\u53d6RSSI\u503c\uff0c\u5e76\u6839\u636e\u4e00\u5b9a\u7684\u8ba1\u7b97\u516c\u5f0f\u6765\u63a8\u7b97\u8bbe\u5907\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u9002\u7528\u4e8e\u786c\u4ef6\u5b9e\u9a8c\uff0c\u4e5f\u53ef\u4ee5\u5728\u8f6f\u4ef6\u5c42\u9762\u5b9e\u73b0\u590d\u6742\u7684\u65e0\u7ebf\u7f51\u7edc\u529f\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000RSSI\u503c\u5728\u65e0\u7ebf\u7f51\u7edc\u89c4\u5212\u4e2d\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u4ece\u8d1f\u8f7d\u5747\u8861\u3001\u5b9a\u4f4d\u8ba1\u7b97\u5230\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc\u5b9a\u4f4d\uff0c\u518d\u5230\u5ba4\u5185\u5b9a\u4f4d\u7cfb\u7edf\u548c\u8f6f\u4ef6\u5c42\u9762\u7684\u7b97\u6cd5\u5b9e\u73b0\uff0cRSSI\u90fd\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n\n\n\n

      \u3000\u3000\u4e94\u3001 \u4e0eRSSI\u76f8\u6bd4\uff0c\u5176\u4ed6\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a\u6280\u672f(\u5982SINR\u3001SNR)\u6709\u4f55\u4f18\u52bf\u548c\u5c40\u9650?<\/h2>\n\n\n\n

      \u3000\u3000\u4e0eRSSI\u76f8\u6bd4\uff0cSINR(\u4fe1\u53f7\u4e0e\u5e72\u6270\u52a0\u566a\u58f0\u6bd4)\u548cSNR(\u4fe1\u566a\u6bd4)\u4f5c\u4e3a\u5176\u4ed6\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a\u6280\u672f\uff0c\u5404\u81ea\u5177\u6709\u4e0d\u540c\u7684\u4f18\u52bf\u548c\u5c40\u9650\u3002<\/p>\n\n\n\n

      \u3000\u3000SINR\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u80fd\u591f\u66f4\u51c6\u786e\u5730\u8861\u91cf\u6709\u7528\u4fe1\u53f7\u7684\u5f3a\u5ea6\u4e0e\u73af\u5883\u4e2d\u5b58\u5728\u7684\u5e72\u6270\u548c\u566a\u58f0\u4e4b\u548c\u7684\u6bd4\u503c\u3002\u8fd9\u610f\u5473\u7740SINR\u4e0d\u4ec5\u8003\u8651\u4e86\u4fe1\u53f7\u672c\u8eab\u7684\u5f3a\u5ea6\uff0c\u8fd8\u8003\u8651\u4e86\u5bf9\u4fe1\u53f7\u8d28\u91cf\u6709\u5f71\u54cd\u7684\u5e72\u6270\u548c\u566a\u58f0\u56e0\u7d20\u3002\u56e0\u6b64\uff0cSINR\u63d0\u4f9b\u4e86\u4e00\u4e2a\u66f4\u4e3a\u5168\u9762\u7684\u4fe1\u53f7\u8d28\u91cf\u8bc4\u4f30\u6307\u6807\uff0c\u6709\u52a9\u4e8e\u7f51\u7edc\u8fd0\u8425\u5546\u548c\u5de5\u7a0b\u5e08\u4f18\u5316\u7f51\u7edc\u6027\u80fd\uff0c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\uff0c\u5e76\u89e3\u51b3\u6f5c\u5728\u7684\u95ee\u9898\u3002\u6b64\u5916\uff0c\u79fb\u52a8\u7f51\u7edc\u8fd0\u8425\u5546\u5bfb\u6c42\u6700\u5927\u5316\u6240\u6709\u7ad9\u70b9\u7684SINR\uff0c\u4ee5\u63d0\u4f9b\u6700\u4f73\u53ef\u80fd\u7684\u5ba2\u6237\u4f53\u9a8c\uff0c\u65e0\u8bba\u662f\u901a\u8fc7\u63d0\u9ad8\u53d1\u5c04\u529f\u7387\u8fd8\u662f\u6700\u5c0f\u5316\u5e72\u6270\u548c\u566a\u58f0\u6765\u5b9e\u73b0\u3002<\/p>\n\n\n\n

      \u3000\u3000\u7136\u800c\uff0cSINR\u7684\u5c40\u9650\u6027\u5728\u4e8e\u5b83\u9700\u8981\u540c\u65f6\u8003\u8651\u5e72\u6270\u548c\u566a\u58f0\uff0c\u8fd9\u53ef\u80fd\u4f1a\u4f7f\u5f97\u5176\u8ba1\u7b97\u8fc7\u7a0b\u76f8\u5bf9\u590d\u6742\u3002\u6b64\u5916\uff0cSINR\u7684\u6d4b\u91cf\u7ed3\u679c\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5305\u62ec\u4fe1\u53f7\u4f20\u64ad\u8def\u5f84\u3001\u73af\u5883\u4e2d\u7684\u7269\u7406\u969c\u788d\u7269\u7b49\uff0c\u8fd9\u4e9b\u56e0\u7d20\u90fd\u53ef\u80fd\u5f71\u54cd\u5230\u6700\u7ec8\u7684\u4fe1\u53f7\u8d28\u91cf\u8bc4\u4f30\u3002<\/p>\n\n\n\n

      \u3000\u3000\u76f8\u6bd4\u4e4b\u4e0b\uff0cRSSI(\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a)\u662f\u4e00\u4e2a\u66f4\u7b80\u5355\u7684\u6307\u6807\uff0c\u5b83\u4e3b\u8981\u53cd\u6620\u4e86\u591a\u5f84\u4fe1\u53f7\u53e0\u52a0\u7684\u603b\u5e45\u5ea6\uff0c\u901a\u5e38\u7528\u4e8e\u6d4b\u91cf\u65e0\u7ebf\u4fe1\u53f7\u7684\u5f3a\u5ea6\u548c\u8ddd\u79bb\u3002RSSI\u7684\u4f18\u70b9\u5728\u4e8e\u5176\u7b80\u5355\u6027\u548c\u76f4\u89c2\u6027\uff0c\u4f7f\u5f97\u5b83\u6210\u4e3a\u8bc4\u4f30\u65e0\u7ebf\u4fe1\u53f7\u5f3a\u5ea6\u7684\u4e00\u4e2a\u5feb\u901f\u4e14\u6613\u4e8e\u7406\u89e3\u7684\u65b9\u6cd5\u3002\u7136\u800c\uff0cRSSI\u7684\u4e3b\u8981\u5c40\u9650\u6027\u5728\u4e8e\u5b83\u4e0d\u80fd\u533a\u5206\u4fe1\u53f7\u8d28\u91cf\u7684\u597d\u574f\uff0c\u56e0\u4e3a\u5b83\u6ca1\u6709\u8003\u8651\u5230\u5e72\u6270\u548c\u566a\u58f0\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n

      \u3000\u3000SINR\u548cSNR\u76f8\u6bd4\u4e8eRSSI\uff0c\u5728\u4e8e\u5b83\u4eec\u63d0\u4f9b\u4e86\u66f4\u5168\u9762\u7684\u4fe1\u53f7\u8d28\u91cf\u8bc4\u4f30\uff0c\u80fd\u591f\u8003\u8651\u5230\u5e72\u6270\u548c\u566a\u58f0\u7684\u5f71\u54cd\uff0c\u4ece\u800c\u5e2e\u52a9\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u548c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002\u7136\u800c\uff0c\u8fd9\u4e5f\u610f\u5473\u7740\u5b83\u4eec\u5728\u8ba1\u7b97\u548c\u5e94\u7528\u4e0a\u53ef\u80fd\u66f4\u4e3a\u590d\u6742\u3002\u800cRSSI\u5219\u56e0\u5176\u7b80\u5355\u6027\u548c\u76f4\u89c2\u6027\uff0c\u5728\u5feb\u901f\u8bc4\u4f30\u65e0\u7ebf\u4fe1\u53f7\u5f3a\u5ea6\u65b9\u9762\u4ecd\u7136\u5177\u6709\u4e00\u5b9a\u7684\u4f18\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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