基于异步应答时间测量的无线测距通信模块

Wireless Distance-measuring and Communication Module Based on Computing of Asynchronous Responsion's Time

根据无线传感器网络中节点间高精度测距的需求,综合分析当前无线测距的主要方法和工作原理,提出了一种采用应答时间测量方式的无线测距通信模块设计方法,并对测距主要误差产生的原因进行阐述。结果表明:该方法能有效提高测距精度,省去收发转换导致的不可控时延。

This article analyses the primary method and work theory of wireless ranging according to the requirement of high precise ranging between the nodes of wireless sensor network, brings forward a design of wireless ranging and communication module based on computing of asynchronous response＇s time, and analyses the main reason of error occur. Results show that, the method can effectively improve the ranging accuracy, save uncontrollable delay lead by transmits-receive process.