EUROCONTROL's predictive RAIM tool for en-route aircraft navigation

Harriman, David; Wilde, J; Ober, P.B.

doi:10.1109/aero.1999.793183

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“…Differ from other researches [2]- [4], we analyze the effects of GPS receiving antenna's attitude on the availability of RAIM. This paper is organized as follows.…”

Section: Introductionmentioning

confidence: 98%

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Research on the effects of user antenna's attitude on the availability of RAIM

Lan

2013

2013 International Conference on Communications, Circuits and Systems (ICCCAS)

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Receiver autonomous integrity monitoring (RAIM) is one of the most important integrity enhancing methods in navigation system, which has been equipped in many GPS receivers of civil aircrafts. RAIM detects GNSS (Global Navigation Satellite System) fault through redundant measurements. The performance of navigation system will be dramatically affected by the availability of RAIM. A classical RAIM algorithm is to compare the value of Horizontal Protection Level (HPL) with Horizontal Alert Limit (HAL). If the HPL is exceeds HAL, RAIM is unavailable. The computation of HPL is based on the geometry of visible satellites. The effects of GPS receiving antenna's attitude on the availability of RAIM are investigated. We simulate the different attitudes of receiving antennas which fixed on the aircrafts by the use of receivers on the land. The performances of RAIM are compared in different receiving attitudes by computing the HPLs. The simulation results demonstrate that HPL increases with the increase of pitch angle, and the availability of RAIM is threatened by the increase of HPL.

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“…Differ from other researches [2]- [4], we analyze the effects of GPS receiving antenna's attitude on the availability of RAIM. This paper is organized as follows.…”

Section: Introductionmentioning

confidence: 98%

“…Many researchers have focused on the availability of RAIM for various areas as RAIM is applied in many receivers. Recently, some researches investigate the RAIM availability for different flight phases or areas [2], [3], and some aviation administrations have provided the forecast map of RAIM availability [4].…”

Section: Introductionmentioning

confidence: 99%

Research on the effects of user antenna's attitude on the availability of RAIM

Lan

2013

2013 International Conference on Communications, Circuits and Systems (ICCCAS)

View full text Add to dashboard Cite

show abstract

EUROCONTROL's predictive RAIM tool for en-route aircraft navigation

Cited by 1 publication

References 1 publication

Research on the effects of user antenna's attitude on the availability of RAIM

Research on the effects of user antenna's attitude on the availability of RAIM

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