Currently, many commercial airline aircraft cannot perform three-dimensionally guided approaches based on satellite-based augmentation systems. We propose a system to rebroadcast the correction and integrity data via a data link as provided by the ground-based augmentation system such that aircraft equipped with a GPS landing system (GLS) can use the wide-area corrections and perform localizer performance with vertical guidance (LPV) approaches while maintaining the same level of integrity. In consequence, the system loses some availability and the time to alert is slightly increased. We build a prototype system and present data collected for one week, confirming technical feasibility. There is a loss of 5.3 percent of availability during a 1-week data collection cycle in which we compared our system to standalone LPV service. We tested our prototype with two commercially available GLS receivers with positive results and successfully demonstrated the functionality with a conventional Airbus 319 equipped with a standard GLS receiver.

中文翻译：

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借助SBAS到GBAS转换器的垂直引导方法扩展对本地化器性能的访问

当前，许多民航飞机无法执行基于卫星的增强系统的三维制导方法。我们提出了一种通过地面增强系统提供的数据链路重新广播校正和完整性数据的系统，以便配备GPS着陆系统（GLS）的飞机可以使用广域校正并在垂直引导下执行定位器性能（LPV）方法，同时保持相同的完整性级别。结果，系统失去了一些可用性，警报时间略有增加。我们构建了原型系统，并提出了为期一周的数据收集，证实了技术可行性。在1周的数据收集周期中，我们将系统与独立的LPV服务进行了比较，从而损失了5.3％的可用性。