Time base distance estimation model for localization in wireless sensor network

N. Jarunroungrok, D. Thanapatay
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引用次数: 1

Abstract

Distance estimation based on time delay is more accuracy than the estimation based on power attenuation method, but it is hard to handle and needs so complicated hardware. This proposed model based on time delay to estimate a distance uses basic hardware to send a signal from one device and then the other device send it back. So, the time delay can be determined by using phase difference between sending and receiving signals and number of sending signal cycle before receiving signal available at sending devices.
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无线传感器网络定位时基距离估计模型
基于时延的距离估计比基于功率衰减的距离估计更准确,但难以处理且需要复杂的硬件。提出了一种基于时间延迟估计距离的模型,该模型使用基本硬件从一个设备发送信号,然后另一个设备将其发回。因此,可以利用发送和接收信号之间的相位差以及发送设备在接收信号之前可用的发送信号周期数来确定时间延迟。
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