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A consistency detection method, device and system for broadcast ephemeris data

A broadcast ephemeris and consistency technology, applied in the field of satellite navigation, can solve the problem that the ephemeris consistency detection method is not suitable for satellite navigation systems, etc., and achieve the effects of accurate consistency detection results, reasonable value, and precise error tolerance range

Active Publication Date: 2021-10-26
NO 20 RES INST OF CHINA ELECTRONICS TECH GRP +1
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Problems solved by technology

[0005] The present invention provides a consistency detection method, equipment and system for broadcast ephemeris data to solve the problem that the ephemeris consistency detection method in the prior art is not applicable to satellite navigation systems with many different types of satellites

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  • A consistency detection method, device and system for broadcast ephemeris data
  • A consistency detection method, device and system for broadcast ephemeris data
  • A consistency detection method, device and system for broadcast ephemeris data

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[0019] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Some, but not all, embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0020] An embodiment of the present invention provides a consistency detection method of broadcast ephemeris data, and the method is applied to a ground-based augmentation system of a satellite navigation system, especially to a ground-based augmentation system of a Beidou satellite navigation system. The Beidou satellite navigation system is a satellite navigation sys...

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Abstract

The invention provides a consistency detection method, equipment and system of broadcast ephemeris data, belonging to the technical field of satellite navigation. The method includes: obtaining ephemeris error thresholds of different types of satellites; according to the ephemeris error thresholds, detecting at least one piece of broadcast ephemeris data of the obtained different types of satellites to generate detection results, and the detection results are used to indicate whether the at least one piece of broadcast ephemeris data is available. The present invention aims at the situation that there are many different kinds of satellites in the satellite navigation system, calculates its ephemeris error threshold value for each kind of satellite respectively, and combines the ephemeris error threshold value to respectively carry out consistency detection on the broadcast ephemeris data of different kinds of satellites, The error tolerance range is made more accurate, so that the broadcast ephemeris data consistency detection result is more accurate.

Description

technical field [0001] The invention relates to the technical field of satellite navigation, in particular to a consistency detection method, equipment and system for broadcast ephemeris data. Background technique [0002] The ground-based augmentation system is proposed by the International Civil Aviation Organization to meet the high requirements of civil aviation precision approach and landing guidance in terms of accuracy, integrity and availability. It uses differential positioning to improve the accuracy of satellite navigation and adds a series of integrity Monitoring algorithms improve system integrity, availability, and continuity metrics. [0003] In the ground-based augmentation system, a series of integrity algorithms are a powerful guarantee for system integrity, availability, and continuity. The data quality monitoring, that is, the consistency detection of satellite broadcast ephemeris is the key link of the integrity algorithm. The satellite broadcast epheme...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S19/27
CPCG01S19/27
Inventor 程松郑金华杨明胡耀坤梁绍一高虎
Owner NO 20 RES INST OF CHINA ELECTRONICS TECH GRP
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