高精度uwb时间戳

2011 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication Pub Date : 2011-11-07 DOI:10.1109/ISPCS.2011.6070150

C. M. D. Dominicis, A. Flammini, S. Rinaldi, E. Sisinni, A. Cazzorla, A. Moschitta, P. Carbone

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引用次数: 14

摘要

本文所做的工作与无线网络的时间同步有关。重点介绍了一种基于超宽带(UWB)信号的低成本高精度时间戳技术的提出和实验评估。近年来，由于其对干扰和多径的鲁棒性，这种系统的应用越来越成功。本文提出了一种新的混合无线节点;传统的IEEE802.15.4无线电(无线传感器网络的参考物理层)由UWB收发器支持。前者用于通信目的，并允许保持与已安装的基础设施/网络的兼容性;后者用于到达时间估计。硬件样机已经实现，实验测试表明精度达到亚纳秒级。与商业解决方案的比较表明，与传统方法相比，性能有所提高。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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High-precision UWB-based timestamping

The work presented in this paper is related with time synchronization for wireless networks. In particular, it is focused on the proposal and experimental evaluation of a low-cost and high precision timestamping technique based on Ultra Wide Band (UWB) signalling. In recent years, the use of such systems has gained an increasing success thanks to their robustness to interferers and multipath. In this paper a new hybrid wireless node is proposed; a traditional IEEE802.15.4 radio, the reference physical layer for wireless sensor networks, is supported by an UWB transceiver. The former is used for communication purposes and allows to preserve compatibility with already installed infrastructures/networks; the latter is used for time of arrival estimation. Hardware prototypes have been realized and experimental tests have shown a sub-nanosecond accuracy. A comparison with commercial solutions has shown a performance improvement with respect to conventional approaches.

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来源期刊

2011 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication

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