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자율 수신기 무결성 감시에 대한 GNSS 사용자 안테나 군지연 오차의 영향Impact of GNSS User Antenna Group Delay Variation (AGDV) on Advanced RAIM
- Other Titles
- Impact of GNSS User Antenna Group Delay Variation (AGDV) on Advanced RAIM
- Authors
- 방유진
- Issue Date
- Dec-2024
- Publisher
- 한국항행학회
- Keywords
- Advanced receiver autonomous integrity monitoring; Antenna group delay variation (AGDV); Code noise and multipath (CNMP); Availability
- Citation
- 한국항행학회논문지, v.28, no.6, pp 999 - 1002
- Pages
- 4
- Indexed
- KCI
- Journal Title
- 한국항행학회논문지
- Volume
- 28
- Number
- 6
- Start Page
- 999
- End Page
- 1002
- ISSN
- 1226-9026
- Abstract
- This paper explores the impact of the antenna group delay variation (AGDV) induced error on the advanced receiver autonomous integrity monitoring (ARAIM). We modeled the AGDV error as a random process sigma term in the protection level computation by overbounding AGDV observables analyzed within the European Dual Frequency Multipath Model for Aviation (DUFMAN) project. It was found from 99.5% availability simulations that the worst impact of AGDV error contribution resulted in about 7% availability loss for the recent Galileo SARPs update, which might not be marginal.
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