JTIDS网络时间同步的性能分析与仿真

Proceedings of the 2005 IEEE International Frequency Control Symposium and Exposition, 2005. Pub Date : 2005-08-31 DOI:10.1109/FREQ.2005.1574042

N. Wu, Hua Wang, Jingming Kuang

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引用次数: 3

摘要

往返定时(RTT)和PPLI消息是联合战术信息分发系统(JTIDS)网络中时间同步的两种方式。前者是一种主动时间同步，可以直接使用户具有较高的时序水平。后者是完全被动的，可以提供低水平的时间同步作为导航的副产品。本文首先介绍了JTIDS网络的两种定时机制。分别建立了被动时间同步和主动时间同步模型。在此基础上设计了导航滤波器和RTT滤波器。仿真验证了两种滤波器的设计，并分析了主要误差源和模型不确定性的影响

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Performance analysis and simulation of JTIDS network time synchronization

Round Trip Timing (RTT) and PPLI message are two ways of time synchronization in the Joint Tactical Information Distribution System (JTIDS) network. The former is a kind of active time synchronization, which could make the user have high timing level directly. The latter is completely passive and could provide low level time synchronization as a byproduct of navigation. This paper begins with the introduction of the two timing mechanisms of JTIDS network. Models of passive and active time synchronization are built up respectively. Two filters, one is navigation filter and the other is RTT filter, are designed based on the models. Simulation validates the design of the two filters, and effects of major error sources and model uncertainty are analyzed

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Proceedings of the 2005 IEEE International Frequency Control Symposium and Exposition, 2005.

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