H1-Integrity of Carrier Phase Navigation Algorithms using Multiple Reference Receivers
H1-Integrity of Carrier Phase Navigation Algorithms using Multiple Reference Receivers
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发表时间：
2009-01
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通讯作者：
S. Khanafseh;S. Langel;B. Pervan
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作者：
S. Khanafseh;S. Langel;B. Pervan
在本文中，一种方法来评估参考接收机故障下的载波相位导航架构。描述了利用来自多个参考接收器的冗余载波相位测量的不同方法。载波相位测量用于提供用户位置的高精度估计。但在涉及生命安全的精确进近应用中，例如自主舰载着陆，完整性也起着关键作用。系统完整性处于危险中的一种情况是在GPS参考接收机故障的情况下。通过在船舶（基准站）上配备冗余接收器，将这些应用中的完整性风险保持在最低限度。在本文中，我们从几个角度，包括可用性性能，周期分辨率能力，实现复杂性和计算效率的不同方法的准确性和完整性的影响。
In this paper, a methodology is developed to evaluate carrier phase navigation architectures under reference receiver failure. Different approaches to utilize redundant carrier phase measurements from multiple reference receivers are described. Carrier phase measurements are used to provide high accuracy estimates of a user’s position. But in precision approach applications that involve safety-of-life, such as in autonomous shipboard landing, integrity also plays a critical role. One case where the system integrity becomes at risk is in the situation of GPS reference receiver failure. Integrity risk in these applications is kept at a minimum by equipping the ship (reference station) with redundant receivers. In this paper, we investigate the impact of different methods on accuracy and integrity from several perspectives, including availability performance, cycle resolution capabilities, implementation complexity and computational efficiency.