青藏铁路差分gps安全完整性性能实例研究

2017 15th International Conference on ITS Telecommunications (ITST) Pub Date : 2017-05-01 DOI:10.1109/ITST.2017.7972206

Debiao Lu, B. Cai

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引用次数: 0

摘要

在GPS(全球定位系统)的设计阶段，没有为标准定位服务(SPS)提供实时完整性信息。同时，精确定位服务(PPS)提供的空间信号(SIS)完整性“低于每小时1 × 10−5的概率”。因为PPS访问了WAGE(广域GPS增强)快速星历更新和修正。但只有SPS可用于民用。

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Case study of differential-GPS safety integrity performance on Qinghai-Tibet railway line

At the design stage of GPS (Global Positioning System), there is no provision of real-time integrity information for the standard positioning service (SPS). Meanwhile the precise positioning service (PPS) provides signal in space (SIS) integrity as “lower than 1 × 10−5 probability per hour”. Because PPS access to WAGE (Wide Area GPS Enhancements) rapid ephemeris updates and corrections. But only SPS is available for civilian applications.

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2017 15th International Conference on ITS Telecommunications (ITST)

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