摘要
在室内无线定位领域中,基于脉冲超宽带的定位技术由于其窄脉冲特性,得到了广泛的关注。到达时间估计(TOA)能够充分发挥IR-UWB的优势,成为了定位技术的首选。通过对系统接收信号的统计特性研究,提出了一种基于联合统计参数的门限估计方法。仿真表明,该方法能够在一步估计的情况下,达到比较好的测距精度。
In the field of wireless indoor positioning, the location technology based on Impulse ＆adio Ultra Wide Band（IR-UWB） has attracted broad attention due to the narrow pulse characteristics. The Time of Arrival（TOA） estimation, giving full play to the advantages of IR-UWB, become the first choice of positioning technology. ）n this paper, with the research of statistical properties of the received signal, a non-coherent estimation algorithm is proposed. The simulation results show that the method can achieve better ranging accuracy in the case of one step estimation.
出处
《中国科技信息》
2013年第9期90-91,共2页
China Science and Technology Information
基金
国家自然科学基金(60902005)资助课题
