학술논문
GPS Anomaly Analysis and Pseudorange Accuracy Improvement by Anomalous Satellite Elimination
이용수 2
- 영문명
- 발행기관
- 한국항해항만학회
- 저자명
- Yun-Ja Yoo Deuk-Jae Cho Sang-Hyun Park
- 간행물 정보
- 『한국항해항만학회지』제34권 제7호, 511~516쪽, 전체 6쪽
- 주제분류
- 공학 > 해양공학
- 파일형태
- 발행일자
- 2010.09.30
4,000원
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국문 초록
영문 초록
GPS anomaly has increased according to the degradation of satellite performance, and many GPS users could be exposed to any kinds of error-included signals without any previous notice when unscheduled error occurred. RSIM (Reference Station Integrity Monitors) is a typical monitoring method to broadcast PRC (Pseudo Range Correction) for users. However, there were some cases that the receiver detected the anomalous satellite's signal even though it was unhealthy set, consequently it occurred a large range error. Then it is important to monitor the integrity of GPS signal and it is needed to devise the correction method of pseudorange by eliminating error-occurred PRN for notification to GPS users when it is monitored that the anomaly occurred. This paper proposes the basic concept of how to correct the pseudorange. The paper also shows the analysis results of PRN10 GPS anomaly occurred on day 39 in 2007 with corrected results by eliminating anomaly satellite (PRN10). The proposed correction method shows decreased pseudorange error range compared to the case when the anomaly satellite were used.
목차
1. Introduction
2. Basic Concept of Correction Method
3. PRN10 Anomaly Analysis
4. Conclusions
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참고문헌
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