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ARAIM ground monitoring station integrity monitoring method and ARAIM ground monitoring station integrity monitoring device

A ground monitoring station and integrity monitoring technology, applied in the field of navigation, can solve problems such as poor usability and small application range, and achieve the effect of improving usability, meeting accuracy requirements, and expanding the application range

Active Publication Date: 2015-12-02
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using the ARAIM offline structure, the ISM parameters used are relatively conservative and the usability is poor
[0004] Therefore, the existing technology method can only meet the performance of LPV-200 in some areas due to the conservative ISM parameters, and the application range is small

Method used

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  • ARAIM ground monitoring station integrity monitoring method and ARAIM ground monitoring station integrity monitoring device

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Embodiment Construction

[0016] In order to make the purpose, technical solutions and advantages of the embodiments 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 drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0017] figure 1 It is a schematic flowchart of Embodiment 1 of the integrity monitoring method for the ARAIM ground monitoring station provided by the present invention. Such as figure 1 As shown, the ARAIM ground monitoring station integrity monitoring method provided in this embodiment includes:

[0018] S101: Obtain the first user dista...

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PUM

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Abstract

The invention provides an ARAIM ground monitoring station integrity monitoring method and an ARAIM ground monitoring station integrity monitoring device. The ARAIM ground monitoring station integrity monitoring method provided by the invention comprises the following steps: acquiring first user range accuracy URA and second user range accuracy URA, wherein the first user range accuracy URA is the user range accuracy URA in a current preset period of time, and the second user range accuracy URA is the user range accuracy URA in a future preset period of time; determining an adopted advanced receiver autonomous integrity monitoring ARAIM structure according to the first user range accuracy URA, the second user range accuracy URA and a preset user range accuracy URA threshold, wherein the ARAIM structure is an online or offline structure; and performing ARAIM ground monitoring station integrity monitoring according to the ARAIM structure. The ARAIM ground monitoring station integrity monitoring method and the ARAIM ground monitoring station integrity monitoring device provided by the invention can meet the requirement of most areas for accuracy and integrity. The application rang is expanded, and the usability of LPV-200 is improved.

Description

technical field [0001] The present invention relates to navigation technology, in particular to a method and device for monitoring the integrity of an Advanced Receiver Autonomous Integrity Monitoring (Advanced Receiver Autonomous Integrity Monitoring; ARAIM) ground monitoring station. Background technique [0002] Global Navigation Satellite System (Global Navigation Satellite System; GNSS for short) has become an important space infrastructure with its global, all-weather, continuous and high-precision characteristics. At present, it has been widely used in land, ocean, aerospace and other fields. ARAIM can realize the enhancement of GNSS. On the one hand, ARAIM guarantees the positioning accuracy, and on the other hand, it realizes the monitoring of the working status of satellites. It is an independent and effective method for the integrity monitoring of satellite positioning. ARAIM supports horizontal navigation and vertical navigation, and can meet the precision appr...

Claims

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Application Information

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IPC IPC(8): G01S19/23
CPCG01S19/23
Inventor 王志鹏朱衍波赵鹏薛瑞
Owner BEIHANG UNIV
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