超宽带技术与传统定位技术比较目前主要有以下六种常用的无线定位技术：(1)RFID定位：作为一种可自动识别的无线射频技术，RFID新鸿德物联的RFID射频技术通过非接触的方式读取并保存标签节点的特征数据，并将其转化为距离信息，再结合TOA、TDOA等定位方法实现 ...

We derived the dilution of precision (DOP) relationship between time of arrival (TOA) and time difference of arrival (TDOA) positioning model, and the particle swarm optimization deployment (PSOD) ...

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