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Bluetooth AOA Technical Whitepaper
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bluetooth-aoa-technical-whitepaper

2019 年初,蓝牙技术联盟宣布蓝牙 5.1 引入了新的“寻向”功能,这个功能 可检测蓝牙信号的方向,将大幅提高蓝牙定位的精确度,提供更好的位置服务, 结束了以往通过 RSSI 信号强度的方式做低精度指纹定位的历史,为蓝牙技术解 决物联网精确定位与导航问题奠定了基础。



依据被定位终端的上下行模式的不同,蓝牙高精度定位可以分为两种技术原 理,分别是:AoA 到达角度法(Angle of Arrival)和 AoD 出发角度法(Angle of Departure)。


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