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Testing and Analysis of Instant PPP Using Freely Available Augmentation Corrections

机译:使用自由可用增强校正的即时PPP的测试与分析

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Precise point positioning (PPP) provides a precise navigation solution with world-wide coverage using a single GNSS receiver. Single-frequency (SF) PPP has gained more interest in the recent years because of the low-cost of SF-GNSS receivers and their wide applications in the mass market. Real-time SF-PPP is now possible with the availability of both commercial and free real-time precise augmentation corrections. The two major sources of freely available real-time corrections are International GNSS Service real-time service (IGS-RTS) and GNSS augmentation systems such as the satellite-based augmentation system (SBAS). Profound Positioning Inc. (PPI) has developed a real-time SF-PPP technology known as "Instant PPP". This paper demonstrates the capability of the instant PPP technology to work with the freely available real-time PPP corrections through static and kinematic analysis. The instant PPP was tested with corrections from two different IGS-RTS streams and two SBAS systems. The static test utilized six IGS stations located in North America, Europe and Asia. Furthermore, a kinematic road test is carried out in a suburban area with several overpass bridges. The results from both static and kinematic tests showed that instant PPP with precise corrections can achieve half-meter level horizontal accuracy and one-meter accuracy in the vertical direction in static and suburban scenarios.
机译:精确点定位(PPP)提供了一种使用单个GNSS接收器的全球覆盖率的精确导航解决方案。由于SF-GNSS接收器的低成本及其在大众市场中的广泛应用,单频(SF)PPP在近年来越来越感兴趣。现在可以实时SF-PPP可提供商业和自由实时精确增强校正的可用性。自由可用的实时更正的两个主要来源是国际GNSS服务实时服务(IGS-RTS)和GNSS增强系统,如卫星的增强系统(SBA)。深刻定位Inc.(PPI)已开发出一种称为“即时PPP”的实时SF-PPP技术。本文通过静态和运动分析,展示了即时PPP技术与自由可用的实时PPP校正合作的能力。用来自两个不同IGS-RTS流和两个SBAS系统的校正测试即时PPP。静态试验利用位于北美,欧洲和亚洲的六个IGS站。此外,运动道路测试在具有几个立交桥桥的郊区进行。静态和运动检测的结果表明,具有精确校正的瞬间PPP可以在静态和郊区场景中垂直方向上实现半米水平的水平精度和单米精度。

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