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LTE系统TOA估计算法研究

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摘要 为了在LTE网络定位服务中实现精确的到达时间(TOA)测量,提出了一种LTE系统TOA估计新算法。算法分为整数倍采样周期TOA估计与小数倍采样周期TOA估计两步,利用能量窗检测的方法获取整数倍采样周期TOA,在此基础上,采用三阶样条插值对参考信号进行插值后与接收信号做模式匹配,对匹配函数应用最小均方准则获取小数采样间隔TOA估计。仿真表明,算法第一径检测准确,同时具有较高的TOA估计精度。
作者 杨铭 王巍
出处 《电信技术研究》 2014年第2期17-20,共4页 Research on telecommunication technology
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参考文献5

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