静止中继器:提高GPS和GLONASS民用用户性能的低成本方法

IEEE Symposium on Position Location and Navigation. A Decade of Excellence in the Navigation Sciences Pub Date : 1990-03-20 DOI:10.1109/PLANS.1990.66149

J. Nagle, G.V. Kinal

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引用次数: 9

摘要

Inmarsat建议实施一套在导航l波段(大约1575 MHz)运行的地球静止中继器，作为GPS(全球定位系统)和GLONASS(苏联全球导航卫星系统)的覆盖。建立覆盖层的一个主要动机是航空界对独立、快速响应(10秒)的外部完整性通道的需求。导航带解决方案的另一个优点是，它将被(几乎)未经修改的GPS和/或(稍微)修改的GLONASS接收器接收。讨论了从地球静止增强到GPS可能实现的完整性、覆盖范围、可用性和时序增强。介绍了Inmarsat伪噪声(PN)测试程序，其中gps兼容的PN信号格式通过当前的Inmarsat卫星传输，以证明地球静止中继器增强技术的简单性和实用性。

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Geostationary repeaters: a low cost way to enhance civil user performance of GPS and GLONASS

Inmarsat proposes to implement a set of geostationary repeaters operating in the navigation L-band (approximately 1575 MHz) to serve as an overlay to the GPS (Global Positioning System) and GLONASS (the Soviet global navigation satellite system). One major motivation for the overlay is the need expressed by the aeronautical community for an independent, quick response (10 s) external integrity channel. An additional advantage of a navigation band solution is that it would be received by (virtually) unmodified GPS and/or (slightly) modified GLONASS receivers. The integrity, coverage, availability, and timing enhancements that are possible from geostationary augmentation to GPS are discussed. A description of the Inmarsat pseudonoise (PN) test program where GPS-compatible PN-signal formats are transmitted through current Inmarsat satellites is presented to demonstrate the simplicity and practicality of the geostationary repeater augmentation technique.<>

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IEEE Symposium on Position Location and Navigation. A Decade of Excellence in the Navigation Sciences

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