Evaluation of Continuity for Satellite Navigation Systems

Continuity is an index to describe and measure the performance of the satellite navigation system as well as position accuracy. In order to evaluate continuity, a possible way is computing MTBF (Mean Time Between Failures) thru dividing the total operation time by the number of failure events. Howev...

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Published inElectronic Navigation Research Institute papers Vol. 2021; no. 134; pp. 19 - 22
Main Author SAKAI, Takeyasu
Format Journal Article
LanguageJapanese
Published Electronic Navigation Research Institute 01.06.2021
国立研究開発法人 海上・港湾・航空技術研究所電子航法研究所
Online AccessGet full text
ISSN1341-9102
2758-2973
DOI10.57358/enrihoukoku.2021.134_19

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Abstract Continuity is an index to describe and measure the performance of the satellite navigation system as well as position accuracy. In order to evaluate continuity, a possible way is computing MTBF (Mean Time Between Failures) thru dividing the total operation time by the number of failure events. However, especially in case of satellite navigation, the number of failure events is quite small to estimate reliable value of continuity unless observation period is set to unrealistic length. This technical report gives a practical method to estimate lower and upper limits of continuity for a given level of reliability.
AbstractList Continuity is an index to describe and measure the performance of the satellite navigation system as well as position accuracy. In order to evaluate continuity, a possible way is computing MTBF (Mean Time Between Failures) thru dividing the total operation time by the number of failure events. However, especially in case of satellite navigation, the number of failure events is quite small to estimate reliable value of continuity unless observation period is set to unrealistic length. This technical report gives a practical method to estimate lower and upper limits of continuity for a given level of reliability.
Author SAKAI, Takeyasu
Author_FL 坂井 丈泰
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