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一种超宽带无线电的快速时延估计算法

ToA Estimation for Ultra-wide Band Radio Link
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摘要 超宽带无线电直接发射脉冲,具有非常高的时间分辨率,从而可以精确估计信号传输时延,因此比较适应精确定位应用,可是在实际应用中,在合理的时间内估计信号传输时延是一个难题。为此,提出了一种超宽带无线电的快速时延估计算法,算法分为两个阶段,首先通过接收信号强度(RSSI)进行粗粒度的时延估计,然后通过基于符号采样率的相关运算估计精确的时延。仿真结果和分析表明,算法具有时延估计精确和快速的优点。 The rapid estimation of ToA（time of arrival） for UWB radio link is proposed,which firstly estimate coarsely the ToA based on the RSSI,then accurately estimate the ToA with the correlation output in the symbol sampling rate based on aggregate channel model,the performance analysis and simulation results show that the algorithm.
作者 张驰
机构地区 湖南省东江水电厂
出处 《科学技术与工程》 2010年第32期7942-7946,共5页 Science Technology and Engineering
关键词 超宽带 时延估计 接收信号强度 集合信道模型 ultra-wide band estimation of time of arrival RSSI aggregate channel model
分类号 TN925.7 [电子电信—通信与信息系统]
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参考文献7

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二级参考文献9

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科学技术与工程
2010年 第32期

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