{"id":51851,"date":"2025-08-11T08:04:18","date_gmt":"2025-08-11T00:04:18","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/51851.html"},"modified":"2025-08-11T08:04:18","modified_gmt":"2025-08-11T00:04:18","slug":"%e5%a6%82%e4%bd%95%e6%8f%90%e9%ab%98%e8%93%9d%e7%89%99%e8%ae%be%e5%a4%87%e7%9a%84%e6%89%ab%e6%8f%8f%e8%af%86%e5%88%ab%e9%80%9f%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/51851.html","title":{"rendered":"\u5982\u4f55\u63d0\u9ad8\u84dd\u7259\u8bbe\u5907\u7684\u626b\u63cf\u8bc6\u522b\u901f\u5ea6"},"content":{"rendered":"

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u63d0\u9ad8\u84dd\u7259\u8bbe\u5907\u7684\u626b\u63cf\u8bc6\u522b\u901f\u5ea6，\u6838\u5fc3\u5728\u4e8e\u4f18\u5316\u4e3b\u8bbe\u5907（\u626b\u63cf\u65b9）\u7684\u626b\u63cf\u7b56\u7565\u3001\u4ece\u8bbe\u5907（\u88ab\u626b\u63cf\u65b9）\u7684\u5e7f\u64ad\u884c\u4e3a，\u4ee5\u53ca\u51cf\u5c11\u73af\u5883\u5e72\u6270，\u540c\u65f6\u5229\u7528\u84dd\u7259\u6280\u672f\u7684\u7279\u6027\u63d0\u5347\u6548\u7387\u3002<\/p>\n

\u4e00\u3001\u4f18\u5316\u4e3b\u8bbe\u5907（\u626b\u63cf\u65b9）\u7684\u626b\u63cf\u53c2\u6570<\/h3>\n

\u4e3b\u8bbe\u5907\u901a\u8fc7\u201c\u626b\u63cf\u7a97\u53e3\u201d（\u6bcf\u6b21\u4e3b\u52a8\u76d1\u542c\u5e7f\u64ad\u7684\u65f6\u957f）\u548c\u201c\u626b\u63cf\u95f4\u9694\u201d（\u4e24\u6b21\u626b\u63cf\u7a97\u53e3\u7684\u65f6\u95f4\u95f4\u9694）\u63a7\u5236\u626b\u63cf\u9891\u7387，\u53c2\u6570\u8bbe\u7f6e\u76f4\u63a5\u5f71\u54cd\u8bc6\u522b\u901f\u5ea6：
\n1.\u7f29\u77ed\u626b\u63cf\u95f4\u9694（Scan Interval）
\n\u626b\u63cf\u95f4\u9694\u662f\u6307\u4e24\u6b21\u626b\u63cf\u7a97\u53e3\u7684\u65f6\u95f4\u95f4\u9694（\u4f8b\u5982\u4ece1\u79d2\u7f29\u77ed\u5230100ms）\u3002\u95f4\u9694\u8d8a\u77ed，\u4e3b\u8bbe\u5907\u76d1\u542c\u5e7f\u64ad\u7684\u9891\u7387\u8d8a\u9ad8，\u8d8a\u5bb9\u6613\u5feb\u901f\u6355\u6349\u5230\u4ece\u8bbe\u5907\u7684\u5e7f\u64ad\u5305\u3002
\n\u6ce8\u610f：\u95f4\u9694\u8fc7\u77ed\u4f1a\u589e\u52a0\u4e3b\u8bbe\u5907\u7684\u529f\u8017（\u65e0\u7ebf\u7535\u6a21\u5757\u6d3b\u8dc3\u65f6\u95f4\u589e\u52a0），\u9700\u5728\u901f\u5ea6\u4e0e\u529f\u8017\u95f4\u5e73\u8861（\u5982\u79fb\u52a8\u8bbe\u5907\u53ef\u4e34\u65f6\u7f29\u77ed\u95f4\u9694，\u9759\u6001\u8bbe\u5907\u4fdd\u6301\u9ed8\u8ba4）\u3002
\n2.\u5ef6\u957f\u626b\u63cf\u7a97\u53e3（Scan Window）
\n\u626b\u63cf\u7a97\u53e3\u662f\u6bcf\u6b21\u626b\u63cf\u65f6\u4e3b\u8bbe\u5907\u5b9e\u9645\u76d1\u542c\u5e7f\u64ad\u4fe1\u9053\u7684\u65f6\u957f（\u4f8b\u5982\u4ece10ms\u5ef6\u957f\u523050ms）\u3002\u7a97\u53e3\u8d8a\u957f，\u4e3b\u8bbe\u5907\u5728\u5355\u6b21\u626b\u63cf\u4e2d\u63a5\u6536\u5230\u5e7f\u64ad\u5305\u7684\u6982\u7387\u8d8a\u9ad8，\u5c24\u5176\u5bf9\u5e7f\u64ad\u95f4\u9694\u8f83\u957f\u7684\u4ece\u8bbe\u5907\u66f4\u6709\u6548\u3002
\n\u5efa\u8bae：\u626b\u63cf\u7a97\u53e3 \u2264 \u626b\u63cf\u95f4\u9694（\u5426\u5219\u95f4\u9694\u5931\u53bb\u610f\u4e49），\u4f8b\u5982\u95f4\u9694=100ms，\u7a97\u53e3=50ms（50%\u7684\u5360\u7a7a\u6bd4）\u3002
\n3.\u542f\u7528\u201c\u4e3b\u52a8\u626b\u63cf\u201d（Active Scanning）\u800c\u975e\u201c\u88ab\u52a8\u626b\u63cf\u201d
\n\u88ab\u52a8\u626b\u63cf：\u4e3b\u8bbe\u5907\u4ec5\u76d1\u542c\u4ece\u8bbe\u5907\u7684\u5e7f\u64ad\u5305，\u4e0d\u53d1\u9001\u4efb\u4f55\u8bf7\u6c42\u3002
\n\u4e3b\u52a8\u626b\u63cf：\u4e3b\u8bbe\u5907\u5728\u76d1\u542c\u5e7f\u64ad\u540e，\u4f1a\u5411\u4ece\u8bbe\u5907\u53d1\u9001\u201c\u626b\u63cf\u8bf7\u6c42\u201d（Scan Request），\u4ece\u8bbe\u5907\u6536\u5230\u540e\u56de\u590d\u201c\u626b\u63cf\u54cd\u5e94\u201d（Scan Response），\u5305\u542b\u66f4\u591a\u8bbe\u5907\u4fe1\u606f（\u5982\u540d\u79f0\u3001\u670d\u52a1UUID）\u3002
\n\u4f18\u52bf：\u4e3b\u52a8\u626b\u63cf\u53ef\u5f3a\u5236\u4ece\u8bbe\u5907\u5feb\u901f\u56de\u5e94，\u5c24\u5176\u9002\u5408\u9700\u8981\u83b7\u53d6\u8bbe\u5907\u8be6\u7ec6\u4fe1\u606f\u7684\u573a\u666f，\u7f29\u77ed\u201c\u53d1\u73b0\u2192\u8bc6\u522b\u201d\u7684\u94fe\u8def（\u4f46\u4f1a\u589e\u52a0\u53cc\u5411\u901a\u4fe1，\u7565\u589e\u529f\u8017）\u3002<\/p>\n

\u4e8c\u3001\u4f18\u5316\u4ece\u8bbe\u5907（\u88ab\u626b\u63cf\u65b9）\u7684\u5e7f\u64ad\u53c2\u6570<\/h3>\n

\u4ece\u8bbe\u5907\u901a\u8fc7\u5e7f\u64ad\u5305（Advertising PDU）\u5411\u5468\u56f4\u53d1\u9001\u81ea\u8eab\u4fe1\u606f，\u5e7f\u64ad\u9891\u7387\u548c\u5185\u5bb9\u76f4\u63a5\u5f71\u54cd\u88ab\u626b\u63cf\u5230\u7684\u901f\u5ea6：
\n1.\u7f29\u77ed\u5e7f\u64ad\u95f4\u9694（Advertising Interval）
\n\u5e7f\u64ad\u95f4\u9694\u662f\u4ece\u8bbe\u5907\u4e24\u6b21\u53d1\u9001\u5e7f\u64ad\u5305\u7684\u65f6\u95f4\u95f4\u9694（BLE\u4e2d\u9ed8\u8ba4\u8303\u56f4\u4e3a20ms~10.24s）\u3002\u95f4\u9694\u8d8a\u77ed（\u5982\u4ece1\u79d2\u7f29\u77ed\u523050ms），\u4e3b\u8bbe\u5907\u5728\u5355\u4f4d\u65f6\u95f4\u5185\u63a5\u6536\u5230\u5e7f\u64ad\u5305\u7684\u6982\u7387\u8d8a\u9ad8，\u8bc6\u522b\u901f\u5ea6\u8d8a\u5feb\u3002
\n\u6ce8\u610f：\u8fc7\u77ed\u7684\u95f4\u9694\u4f1a\u663e\u8457\u589e\u52a0\u4ece\u8bbe\u5907\u529f\u8017（\u5c24\u5176\u7535\u6c60\u4f9b\u7535\u8bbe\u5907，\u5982\u84dd\u7259\u4fe1\u6807），\u9700\u6839\u636e\u573a\u666f\u8c03\u6574（\u4f8b\u5982\u4e34\u65f6\u6fc0\u6d3b\u201c\u5feb\u901f\u5e7f\u64ad\u6a21\u5f0f\u201d，\u5b8c\u6210\u8bc6\u522b\u540e\u6062\u590d\u957f\u95f4\u9694）\u3002
\n2.\u4f18\u5316\u5e7f\u64ad\u5305\u5185\u5bb9，\u51cf\u5c11\u5197\u4f59\u4fe1\u606f
\n\u84dd\u7259\u5e7f\u64ad\u5305（\u5c24\u5176\u662fBLE\u7684\u201c\u5e7f\u544a\u4fe1\u9053PDU\u201d）\u6709\u957f\u5ea6\u9650\u5236（\u6700\u592731\u5b57\u8282），\u82e5\u5305\u542b\u4e0d\u5fc5\u8981\u7684\u4fe1\u606f（\u5982\u8fc7\u957f\u7684\u8bbe\u5907\u540d\u79f0\u3001\u65e0\u5173\u670d\u52a1UUID），\u53ef\u80fd\u5bfc\u81f4\u5e7f\u64ad\u5305\u4f20\u8f93\u6548\u7387\u4e0b\u964d，\u6216\u56e0\u8d85\u51fa\u957f\u5ea6\u88ab\u622a\u65ad，\u589e\u52a0\u4e3b\u8bbe\u5907\u89e3\u6790\u65f6\u95f4\u3002
\n\u5efa\u8bae：\u4ec5\u5728\u5e7f\u64ad\u5305\u4e2d\u5305\u542b\u6838\u5fc3\u8bc6\u522b\u4fe1\u606f（\u5982\u76ee\u6807\u670d\u52a1UUID\u3001\u8bbe\u5907\u7c7b\u578b\u6807\u8bc6），\u8be6\u7ec6\u4fe1\u606f\u901a\u8fc7\u201c\u626b\u63cf\u54cd\u5e94\u201d（Scan Response）\u53d1\u9001，\u907f\u514d\u4e3b\u8bbe\u5907\u56e0\u89e3\u6790\u5197\u4f59\u6570\u636e\u5ef6\u8fdf\u8bc6\u522b\u3002
\n3.\u4f7f\u7528\u201c\u6269\u5c55\u5e7f\u64ad\u201d（Extended Advertising，BLE 5.0+）
\n\u4f20\u7edfBLE\u5e7f\u64ad\u53d7\u9650\u4e8e31\u5b57\u8282\u957f\u5ea6\u548c\u56fa\u5b9a\u95f4\u9694，\u800cBLE 5.0\u5f15\u5165\u7684\u201c\u6269\u5c55\u5e7f\u64ad\u201d\u652f\u6301\u66f4\u957f\u7684\u5e7f\u64ad\u6570\u636e（\u6700\u957f255\u5b57\u8282）\u548c\u66f4\u7075\u6d3b\u7684\u95f4\u9694\u7b56\u7565，\u4e14\u53ef\u5728\u66f4\u591a\u4fe1\u9053\u53d1\u9001，\u63d0\u9ad8\u88ab\u626b\u63cf\u5230\u7684\u6982\u7387，\u5c24\u5176\u9002\u5408\u590d\u6742\u73af\u5883\u3002<\/p>\n

\u4e09\u3001\u51cf\u5c11\u73af\u5883\u5e72\u6270\u4e0e\u4fe1\u53f7\u635f\u8017<\/h3>\n

\u84dd\u7259\u5de5\u4f5c\u57282.4GHz ISM\u9891\u6bb5，\u6613\u53d7Wi-Fi\u3001\u5fae\u6ce2\u7089\u3001ZigBee\u7b49\u8bbe\u5907\u5e72\u6270，\u4fe1\u53f7\u906e\u6321\u4e5f\u4f1a\u964d\u4f4e\u8bc6\u522b\u6548\u7387：
\n1.\u907f\u5f00\u9ad8\u5e72\u6270\u4fe1\u9053
\n\u84dd\u7259\u5e7f\u64ad\u4f7f\u7528\u56fa\u5b9a\u4fe1\u9053（BLE\u4e3a37\u300138\u300139\u4fe1\u9053；\u7ecf\u5178\u84dd\u7259\u4e3a0~78\u4fe1\u9053\u4e2d\u7684\u5e7f\u64ad\u4fe1\u9053），\u82e5\u5468\u56f4\u5b58\u5728\u5f3a\u5e72\u6270（\u5982Wi-Fi\u5728\u4fe1\u90536\u5de5\u4f5c，\u8986\u76d6\u84dd\u7259\u4fe1\u905338\u9644\u8fd1\u9891\u6bb5），\u53ef\u901a\u8fc7\u8bbe\u5907\u56fa\u4ef6\u6216\u9a71\u52a8\u4f18\u5316，\u8ba9\u4e3b\u8bbe\u5907\u4f18\u5148\u76d1\u542c\u5e72\u6270\u8f83\u5f31\u7684\u5e7f\u64ad\u4fe1\u9053，\u51cf\u5c11\u4fe1\u53f7\u4e22\u5931\u3002
\n\u90e8\u5206\u9ad8\u7aef\u8bbe\u5907\u652f\u6301\u201c\u81ea\u9002\u5e94\u8df3\u9891\u201d（AFH），\u53ef\u52a8\u6001\u907f\u5f00\u5e72\u6270\u4fe1\u9053，\u63d0\u5347\u626b\u63cf\u7a33\u5b9a\u6027\u3002
\n2.\u51cf\u5c11\u7269\u7406\u906e\u6321\u4e0e\u8ddd\u79bb
\n\u84dd\u7259\u4fe1\u53f7（\u5c24\u5176BLE）\u7a7f\u900f\u969c\u788d\u7269（\u5982\u5899\u4f53\u3001\u91d1\u5c5e）\u65f6\u8870\u51cf\u4e25\u91cd，\u7f29\u77ed\u4e3b\u4ece\u8bbe\u5907\u8ddd\u79bb\u3001\u51cf\u5c11\u906e\u6321（\u5982\u5c06\u8bbe\u5907\u66b4\u9732\u5728\u5f00\u9614\u73af\u5883）\u53ef\u589e\u5f3a\u4fe1\u53f7\u5f3a\u5ea6，\u4e3b\u8bbe\u5907\u66f4\u5bb9\u6613\u5feb\u901f\u6355\u83b7\u5e7f\u64ad\u5305\u3002
\n3.\u63d0\u9ad8\u4ece\u8bbe\u5907\u53d1\u5c04\u529f\u7387
\n\u4ece\u8bbe\u5907\u7684\u53d1\u5c04\u529f\u7387\u8d8a\u9ad8（\u5982\u4ece0dBm\u63d0\u5347\u52304dBm），\u5e7f\u64ad\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u8d8a\u5e7f，\u4e3b\u8bbe\u5907\u63a5\u6536\u5230\u4fe1\u53f7\u7684\u4fe1\u566a\u6bd4（SNR）\u8d8a\u9ad8，\u8bc6\u522b\u901f\u5ea6\u8d8a\u5feb（\u5c24\u5176\u5728\u8fdc\u8ddd\u79bb\u6216\u5f31\u4fe1\u53f7\u573a\u666f）\u3002<\/p>\n

\u56db\u3001\u5229\u7528\u84dd\u7259\u6280\u672f\u7248\u672c\u4e0e\u7279\u6027\u4f18\u5316<\/h3>\n

\u4e0d\u540c\u84dd\u7259\u7248\u672c（\u5982BLE 5.0+）\u7684\u65b0\u7279\u6027\u53ef\u76f4\u63a5\u63d0\u5347\u626b\u63cf\u6548\u7387：
\n1.\u4f7f\u7528BLE 5.0\u53ca\u4ee5\u4e0a\u7248\u672c
\nBLE 5.0\u76f8\u6bd44.x，\u652f\u6301\u201c\u66f4\u9ad8\u4f20\u8f93\u901f\u7387\u201d（2Mbps）\u3001\u201c\u66f4\u957f\u5e7f\u64ad\u8ddd\u79bb\u201d（\u901a\u8fc7Coded PHY\u6a21\u5f0f）\u548c\u201c\u6269\u5c55\u5e7f\u64ad\u201d，\u4e3b\u8bbe\u5907\u626b\u63cf\u65f6\u53ef\u66f4\u5feb\u63a5\u6536\u548c\u89e3\u6790\u5e7f\u64ad\u5305，\u5c24\u5176\u5728\u8fdc\u8ddd\u79bb\u573a\u666f\u4e0b\u8bc6\u522b\u901f\u5ea6\u63d0\u5347\u660e\u663e\u3002
\n2.\u542f\u7528\u201c\u5feb\u901f\u8fde\u63a5\u6a21\u5f0f\u201d（Fast Connect）
\n\u90e8\u5206\u8bbe\u5907\u652f\u6301\u201c\u5feb\u901f\u8fde\u63a5\u201d\u7279\u6027：\u4ece\u8bbe\u5907\u5728\u5e7f\u64ad\u4e2d\u643a\u5e26\u201c\u5feb\u901f\u8fde\u63a5\u6807\u8bc6\u201d，\u4e3b\u8bbe\u5907\u8bc6\u522b\u540e\u8df3\u8fc7\u90e8\u5206\u5197\u4f59\u534f\u5546\u6b65\u9aa4，\u76f4\u63a5\u4ee5\u66f4\u77ed\u7684\u95f4\u9694\u5efa\u7acb\u8fde\u63a5，\u95f4\u63a5\u52a0\u5feb\u201c\u626b\u63cf\u2192\u8fde\u63a5\u201d\u7684\u6574\u4f53\u6d41\u7a0b\u3002
\n3.\u57fa\u4e8eGAP\u7684\u5b9a\u5411\u626b\u63cf
\n\u4e3b\u8bbe\u5907\u53ef\u901a\u8fc7GAP（\u901a\u7528\u8bbf\u95ee\u914d\u7f6e\u6587\u4ef6）\u8bbe\u7f6e\u201c\u5b9a\u5411\u626b\u63cf\u201d，\u4ec5\u76d1\u542c\u7279\u5b9a\u8bbe\u5907\u5730\u5740（\u5982\u5df2\u77e5\u4ece\u8bbe\u5907\u7684MAC\u5730\u5740）\u6216\u7279\u5b9a\u670d\u52a1UUID\u7684\u5e7f\u64ad，\u8fc7\u6ee4\u65e0\u5173\u8bbe\u5907\u7684\u5e7f\u64ad\u5305，\u51cf\u5c11\u4e3b\u8bbe\u5907\u7684\u5904\u7406\u8d1f\u62c5，\u52a0\u5feb\u5bf9\u76ee\u6807\u8bbe\u5907\u7684\u8bc6\u522b\u3002<\/p>\n

\u4e94\u3001\u786c\u4ef6\u4e0e\u56fa\u4ef6\u5c42\u9762\u4f18\u5316<\/h3>\n

1.\u63d0\u5347\u4e3b\u8bbe\u5907\u5c04\u9891\u6027\u80fd
\n\u4e3b\u8bbe\u5907\u7684\u5c04\u9891\u6a21\u5757\u7075\u654f\u5ea6（\u5982\u4ece-90dBm\u63d0\u5347\u5230-100dBm）\u8d8a\u9ad8，\u8d8a\u80fd\u63a5\u6536\u5fae\u5f31\u7684\u5e7f\u64ad\u4fe1\u53f7，\u51cf\u5c11\u56e0\u4fe1\u53f7\u5f31\u5bfc\u81f4\u7684\u6f0f\u68c0；\u5929\u7ebf\u589e\u76ca\u8d8a\u9ad8，\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u8d8a\u5e7f，\u626b\u63cf\u6548\u7387\u63d0\u5347\u3002
\n2.\u56fa\u4ef6\/\u9a71\u52a8\u4f18\u5316
\n\u8bbe\u5907\u56fa\u4ef6\u53ef\u4f18\u5316\u626b\u63cf\u7b97\u6cd5，\u4f8b\u5982：\u4e3b\u8bbe\u5907\u5728\u626b\u63cf\u65f6\u4f18\u5148\u76d1\u542c\u4ece\u8bbe\u5907\u53ef\u80fd\u4f7f\u7528\u7684\u5e7f\u64ad\u4fe1\u9053（\u5982BLE\u768437\u300138\u300139\u4fe1\u9053），\u51cf\u5c11\u65e0\u6548\u4fe1\u9053\u7684\u626b\u63cf\u65f6\u95f4；\u6216\u901a\u8fc7\u786c\u4ef6\u52a0\u901f（\u5982\u4e13\u7528\u84dd\u7259\u82af\u7247\u7684\u626b\u63cf\u534f\u5904\u7406\u5668）\u63d0\u5347\u5e7f\u64ad\u5305\u89e3\u6790\u901f\u5ea6\u3002<\/p>\n

\u516d\u3001\u914d\u7f6e\u5efa\u8bae<\/h3>\n

\u84dd\u7259\u8bbe\u5907\u7684\u626b\u63cf\u95f4\u9694\u548c\u626b\u63cf\u7a97\u53e3\u6570\u503c\u9009\u62e9\u53d6\u51b3\u4e8e\u84dd\u7259\u6280\u672f\u7248\u672c（\u5982BLE\u6216\u7ecf\u5178\u84dd\u7259）\u53ca\u8bbe\u5907\u5b9e\u73b0
\n（\u4e00）\u4f4e\u529f\u8017\u84dd\u7259（BLE）\u7684\u626b\u63cf\u53c2\u6570\u8303\u56f4
\nBLE\u7684\u626b\u63cf\u95f4\u9694（Scan Interval）\u548c\u626b\u63cf\u7a97\u53e3（Scan Window）\u4ee5 0.625ms\u4e3a\u5355\u4f4d，\u6570\u503c\u9700\u4e3a\u8be5\u5355\u4f4d\u7684\u6574\u6570\u500d\u3002\u6839\u636e\u84dd\u7259\u6838\u5fc3\u89c4\u8303（\u59825.3\u7248\u672c），\u5176\u8303\u56f4\u5982\u4e0b：
\n1.\u57fa\u7840\u8303\u56f4（\u6240\u6709BLE\u7248\u672c\u901a\u7528）
\n\u626b\u63cf\u95f4\u9694：
\n2.5ms \u2264 \u95f4\u9694 \u2264 10.24\u79d2（\u53734\u4e2a\u5355\u4f4d\u523016384\u4e2a\u5355\u4f4d）\u3002
\n\u4f8b\u5982：
\n\u6700\u5c0f\u503c：4 \u00d7 0.625ms = 2.5ms
\n\u6700\u5927\u503c：16384 \u00d7 0.625ms = 10.24s
\n\u626b\u63cf\u7a97\u53e3：
\n2.5ms \u2264 \u7a97\u53e3 \u2264 \u626b\u63cf\u95f4\u9694（\u53734\u4e2a\u5355\u4f4d\u5230\u4e0e\u95f4\u9694\u76f8\u540c\u7684\u5355\u4f4d\u6570）\u3002
\n\u4f8b\u5982：
\n\u82e5\u95f4\u9694\u4e3a100ms（160\u4e2a\u5355\u4f4d），\u7a97\u53e3\u6700\u5927\u4e3a160\u4e2a\u5355\u4f4d（100ms）\u3002
\n2.\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u5178\u578b\u914d\u7f6e
\n\u5feb\u901f\u53d1\u73b0\u573a\u666f（\u5982\u624b\u673a\u5feb\u901f\u641c\u7d22\u8033\u673a）：
\n\u95f4\u9694：100ms（160\u5355\u4f4d）
\n\u7a97\u53e3：100ms（160\u5355\u4f4d）
\n\u7279\u70b9：\u8fde\u7eed\u626b\u63cf，\u5360\u7a7a\u6bd4100%，\u4f46\u529f\u8017\u8f83\u9ad8\u3002
\n\u4f4e\u529f\u8017\u6301\u7eed\u76d1\u63a7（\u5982\u7269\u8054\u7f51\u4f20\u611f\u5668\u540e\u53f0\u626b\u63cf）：
\n\u95f4\u9694：10s（16384\u5355\u4f4d）
\n\u7a97\u53e3：2s（3276\u5355\u4f4d）
\n\u7279\u70b9：\u5360\u7a7a\u6bd420%，\u5e73\u8861\u901f\u5ea6\u4e0e\u529f\u8017\u3002
\n\u5b9a\u5411\u626b\u63cf（\u4ec5\u76d1\u542c\u7279\u5b9a\u8bbe\u5907）：
\n\u95f4\u9694：500ms（800\u5355\u4f4d）
\n\u7a97\u53e3：50ms（80\u5355\u4f4d）
\n\u7279\u70b9：\u51cf\u5c11\u65e0\u6548\u626b\u63cf，\u63d0\u5347\u76ee\u6807\u8bbe\u5907\u6355\u83b7\u6982\u7387\u3002
\n3.\u7279\u6b8a\u573a\u666f\u6269\u5c55（BLE 5.0+）
\n\u6269\u5c55\u626b\u63cf\u53c2\u6570：
\nBLE 5.0\u5f15\u5165\u7684 \u6269\u5c55\u626b\u63cf\u6a21\u5f0f（Extended Scanning）\u5141\u8bb8\u66f4\u7075\u6d3b\u7684\u53c2\u6570\u914d\u7f6e，\u4f8b\u5982：
\n\u95f4\u9694\u53ef\u8bbe\u7f6e\u4e3a 0.625ms\u7684\u6574\u6570\u500d，\u4f46\u9700\u8bbe\u5907\u786c\u4ef6\u652f\u6301\u3002
\n\u591aPHY\u626b\u63cf（\u5982\u540c\u65f6\u4f7f\u75281M\u548c2M PHY）\u65f6，\u53ef\u5bf9\u4e0d\u540cPHY\u8bbe\u7f6e\u72ec\u7acb\u7684\u95f4\u9694\u548c\u7a97\u53e3\u3002
\n（\u4e8c）\u7ecf\u5178\u84dd\u7259（BR\/EDR）\u7684\u626b\u63cf\u53c2\u6570\u8303\u56f4
\n\u7ecf\u5178\u84dd\u7259\u7684\u626b\u63cf\u53c2\u6570\u4e0eBLE\u5dee\u5f02\u8f83\u5927，\u4e3b\u8981\u5206\u4e3a \u67e5\u8be2\u626b\u63cf（Inquiry Scan） \u548c \u9875\u9762\u626b\u63cf（Page Scan）：
\n1.\u67e5\u8be2\u626b\u63cf（Inquiry Scan）
\n\u95f4\u9694：
\n11.25ms \u2264 \u95f4\u9694 \u2264 2560ms（\u9ed8\u8ba42.56\u79d2），\u7528\u4e8e\u5468\u671f\u6027\u641c\u7d22\u5468\u56f4\u8bbe\u5907\u3002
\n\u6700\u5c0f\u503c：11.25ms（\u5982\u67d0\u4e9b\u82af\u7247\u652f\u6301）\u3002
\n\u6700\u5927\u503c：2.56\u79d2（\u84dd\u7259\u89c4\u8303\u9ed8\u8ba4）\u3002
\n\u7a97\u53e3：
\n10.625ms \u2264 \u7a97\u53e3 \u2264 \u95f4\u9694，\u7528\u4e8e\u5355\u6b21\u626b\u63cf\u6301\u7eed\u65f6\u95f4\u3002
\n\u4f8b\u5982：\u95f4\u96942.56\u79d2\u65f6，\u7a97\u53e3\u901a\u5e38\u8bbe\u4e3a11.25ms\u3002
\n2.\u9875\u9762\u626b\u63cf（Page Scan）
\n\u95f4\u9694：
\n1.28\u79d2 \u2264 \u95f4\u9694 \u2264 2.56\u79d2（\u9ed8\u8ba41.28\u79d2），\u7528\u4e8e\u8fde\u63a5\u5efa\u7acb\u65f6\u7684\u8bbe\u5907\u540c\u6b65\u3002
\n\u4f8b\u5982：\u4e3b\u8bbe\u5907\u4ee51.28\u79d2\u95f4\u9694\u53d1\u9001\u9875\u9762\u8bf7\u6c42，\u4ece\u8bbe\u5907\u76d1\u542c\u8be5\u95f4\u9694\u3002
\n\u7a97\u53e3：
\n11.25ms \u2264 \u7a97\u53e3 \u2264 \u95f4\u9694，\u7528\u4e8e\u63a5\u6536\u9875\u9762\u8bf7\u6c42\u3002
\n\u4f8b\u5982：\u95f4\u96941.28\u79d2\u65f6，\u7a97\u53e3\u901a\u5e38\u8bbe\u4e3a11.25ms\u3002
\n3.\u5b9e\u9645\u5e94\u7528\u9650\u5236
\n\u7ecf\u5178\u84dd\u7259\u7684\u626b\u63cf\u53c2\u6570\u53d7\u9650\u4e8e\u8bbe\u5907\u56fa\u4ef6\u548c\u82af\u7247\u5b9e\u73b0，\u90e8\u5206\u8001\u65e7\u8bbe\u5907\u53ef\u80fd\u4ec5\u652f\u6301\u56fa\u5b9a\u6570\u503c（\u59822.56\u79d2\u95f4\u9694）\u3002
\n\u626b\u63cf\u7a97\u53e3\u901a\u5e38\u4e3a\u95f4\u9694\u7684\u6781\u5c0f\u90e8\u5206（\u598211.25ms），\u5bfc\u81f4\u53d1\u73b0\u901f\u5ea6\u8f83\u6162，\u8fd9\u4e5f\u662fBLE\u9010\u6e10\u53d6\u4ee3\u7ecf\u5178\u84dd\u7259\u7684\u539f\u56e0\u4e4b\u4e00\u3002
\n（\u4e09）\u53c2\u6570\u8bbe\u7f6e\u7684\u6838\u5fc3\u89c4\u5219\u4e0e\u6ce8\u610f\u4e8b\u9879
\n1.BLE\u7684\u5f3a\u5236\u6027\u89c4\u5219：
\n\u626b\u63cf\u7a97\u53e3 \u5fc5\u987b \u2264 \u626b\u63cf\u95f4\u9694，\u5426\u5219\u53c2\u6570\u65e0\u6548\u3002
\n\u82e5\u4f7f\u7528 Coded PHY（BLE 5.0+），\u95f4\u9694\u9700 \u2265 2\u500d\u7a97\u53e3（\u5982\u7a97\u53e350ms，\u95f4\u9694\u81f3\u5c11100ms）\u3002
\n2.\u7ecf\u5178\u84dd\u7259\u7684\u517c\u5bb9\u6027：
\n\u67e5\u8be2\u626b\u63cf\u95f4\u9694\u9700\u4e3a 1.28\u79d2\u7684\u6574\u6570\u500d（\u59822.56\u79d2=2\u00d71.28\u79d2），\u5426\u5219\u53ef\u80fd\u5bfc\u81f4\u8bbe\u5907\u65e0\u6cd5\u53d1\u73b0\u3002
\n3.\u529f\u8017\u4e0e\u901f\u5ea6\u7684\u5e73\u8861：
\nBLE\u4e2d，\u95f4\u9694\u8d8a\u77ed\u3001\u7a97\u53e3\u8d8a\u5927，\u626b\u63cf\u901f\u5ea6\u8d8a\u5feb，\u4f46\u529f\u8017\u8d8a\u9ad8\u3002\u4f8b\u5982：
\n\u95f4\u9694100ms\u3001\u7a97\u53e3100ms\u7684\u529f\u8017\u662f\u95f4\u96941\u79d2\u3001\u7a97\u53e3100ms\u768410\u500d\u3002
\n\u7ecf\u5178\u84dd\u7259\u56e0\u626b\u63cf\u6548\u7387\u4f4e，\u901a\u5e38\u4ec5\u7528\u4e8e\u97f3\u9891\u4f20\u8f93\u7b49\u5fc5\u987b\u573a\u666f\u3002
\n4.\u5382\u5546\u5b9e\u73b0\u5dee\u5f02：
\n\u90e8\u5206\u84dd\u7259\u82af\u7247（\u5982Nordic nRF52\u7cfb\u5217）\u652f\u6301\u66f4\u7ec6\u7c92\u5ea6\u7684\u53c2\u6570\u914d\u7f6e（\u59820.625ms\u6b65\u957f），\u800c\u67d0\u4e9b\u4f4e\u7aef\u8bbe\u5907\u53ef\u80fd\u4ec5\u652f\u6301\u9884\u8bbe\u503c（\u59821\u79d2\u300110\u79d2）\u3002
\n（\u56db）\u53c2\u6570\u914d\u7f6e\u7684\u5178\u578b\u573a\u666f\u4e0e\u793a\u4f8b<\/p>\n\n\u573a\u666fBLE\u53c2\u6570\u914d\u7f6e\u7ecf\u5178\u84dd\u7259\u53c2\u6570\u914d\u7f6e\u7279\u70b9<\/tr>\n\n\n\n\n\n\n\n
\u624b\u673a\u5feb\u901f\u641c\u7d22\u8033\u673a<\/td>\n\u95f4\u9694100ms，\u7a97\u53e3100ms（\u4e3b\u52a8\u626b\u63cf）<\/td>\n\u4e0d\u9002\u7528（\u7ecf\u5178\u84dd\u7259\u5df2\u88abBLE\u53d6\u4ee3）<\/td>\n\u5360\u7a7a\u6bd4100%，\u5feb\u901f\u53d1\u73b0\u4f46\u529f\u8017\u9ad8<\/td>\n<\/tr>\n
\u7269\u8054\u7f51\u4f20\u611f\u5668\u540e\u53f0\u76d1\u63a7<\/td>\n\u95f4\u969410s，\u7a97\u53e32s（\u88ab\u52a8\u626b\u63cf）<\/td>\n\u4e0d\u9002\u7528<\/td>\n\u5360\u7a7a\u6bd420%，\u957f\u7eed\u822a<\/td>\n<\/tr>\n
\u5de5\u4e1a\u8bbe\u5907\u5b9a\u5411\u8fde\u63a5<\/td>\n\u95f4\u9694500ms，\u7a97\u53e350ms（\u8fc7\u6ee4\u7279\u5b9aUUID）<\/td>\n\u9875\u9762\u626b\u63cf\u95f4\u96941.28\u79d2，\u7a97\u53e311.25ms<\/td>\n\u51cf\u5c11\u65e0\u6548\u626b\u63cf，\u63d0\u5347\u8fde\u63a5\u6210\u529f\u7387<\/td>\n<\/tr>\n
\u84dd\u7259\u4fe1\u6807（Beacon）<\/td>\n\u95f4\u9694100ms，\u7a97\u53e310ms（\u5e7f\u64ad\u4e3a\u4e3b，\u626b\u63cf\u4e3a\u8f85）<\/td>\n\u4e0d\u9002\u7528<\/td>\n\u4f4e\u529f\u8017，\u957f\u8ddd\u79bb\u5e7f\u64ad<\/td>\n<\/tr>\n
\u603b\u7ed3<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
\u63d0\u9ad8\u84dd\u7259\u8bbe\u5907\u626b\u63cf\u8bc6\u522b\u901f\u5ea6\u7684\u6838\u5fc3\u903b\u8f91\u662f：\u8ba9\u4e3b\u8bbe\u5907\u66f4\u9891\u7e41\u5730\u201c\u542c\u201d\u3001\u4ece\u8bbe\u5907\u66f4\u5bc6\u96c6\u5730\u201c\u8bf4\u201d\u3001\u51cf\u5c11\u4fe1\u53f7\u5e72\u6270\u4e0e\u635f\u8017，\u5e76\u5229\u7528\u65b0\u6280\u672f\u7279\u6027\u8fc7\u6ee4\u5197\u4f59\u4fe1\u606f\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\u9700\u6839\u636e\u573a\u666f（\u5982\u79fb\u52a8\u8bbe\u5907vs\u7269\u8054\u7f51\u4f20\u611f\u5668）\u5e73\u8861\u901f\u5ea6\u4e0e\u529f\u8017，\u4f8b\u5982\u6d88\u8d39\u7535\u5b50\u53ef\u4e34\u65f6\u542f\u7528\u201c\u5feb\u901f\u626b\u63cf+\u5feb\u901f\u5e7f\u64ad\u201d，\u800c\u4f4e\u529f\u8017\u4f20\u611f\u5668\u5219\u9700\u5728\u957f\u95f4\u9694\u4e0b\u901a\u8fc7\u4f18\u5316\u4fe1\u9053\u548c\u529f\u7387\u63d0\u5347\u6548\u7387\u3002<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

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