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GNSS signal quality monitoring and interference monitoring positioning system and method

A signal quality and interference monitoring technology, applied in satellite radio beacon positioning systems, radio wave measurement systems, measurement devices, etc., can solve problems such as rapid diagnosis and troubleshooting without suitable systems and methods

Active Publication Date: 2020-11-20
中国电波传播研究所 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the positioning and timing performance of the GNSS system itself and the user is degraded or even interrupted, there is currently no suitable system and method to provide rapid diagnosis and troubleshooting

Method used

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  • GNSS signal quality monitoring and interference monitoring positioning system and method
  • GNSS signal quality monitoring and interference monitoring positioning system and method
  • GNSS signal quality monitoring and interference monitoring positioning system and method

Examples

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Embodiment 1

[0024] Example 1, such as figure 1 As shown, the present embodiment discloses a GNSS signal quality monitoring and interference monitoring positioning system, the system includes more than one GNSS signal quality monitoring and interference monitoring positioning equipment and a GNSS signal quality monitoring and interference monitoring positioning control center, Between the positioning control center and the positioning equipment, each positioning equipment can complete the interconnection and intercommunication through the wireless ad hoc network in the non-navigation frequency band; figure 2 As shown, the GNSS signal quality monitoring and interference monitoring and positioning equipment includes a GNSS signal quality monitoring and interference monitoring and positioning host, a GNSS multi-system multi-frequency point receiving antenna and a GNSS frequency band electrically connected to the GNSS signal quality monitoring and interference monitoring and positioning host ...

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Abstract

The invention discloses a GNSS signal quality monitoring and interference monitoring and positioning system. The system comprises more than one GNSS signal quality monitoring and interference monitoring positioning device and a GNSS signal quality monitoring and interference monitoring positioning management and control center, and interconnection and intercommunication between the positioning management and control center and the positioning devices and between the positioning devices can be completed through a non-navigation frequency band wireless ad hoc network. The invention discloses a GNSS signal quality monitoring and interference monitoring and positioning method. On the basis of comprehensive study and judgment results, an interference source comprehensive positioning method of TDOA time difference positioning and AOA direction finding positioning based on satellite navigation information and interference spectrum information fusion is adopted. The technical problem that at present, high-precision and high-reliability positioning cannot be conducted on the suppressing and spoofing interference sources in a complex electromagnetic environment is solved, suppressing type and spoofing type interference source positioning is achieved, and high-precision positioning can be conducted on the multiple same-frequency interference sources at the same time.

Description

technical field [0001] The invention belongs to the fields of electromagnetic interference research and radio navigation, and particularly relates to a system and method for GNSS signal quality monitoring and interference monitoring and positioning in the field. Background technique [0002] With the wide application of GNSS, users from all walks of life around the world often suffer from performance degradation or even interruption of satellite navigation positioning and timing services, which seriously affects the safe and effective use of satellite navigation services, and rapid diagnosis and troubleshooting are urgently needed. The main factors that affect the performance of GNSS services are: GNSS satellite signal anomalies, ionospheric scintillation interference in the satellite signal transmission link, satellite signals affected by multipath caused by unfavorable terrain factors, and navigation receivers subject to suppressed interference and deceptive interference, e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/21G01S19/22G01S19/20G01S19/33
CPCG01S19/21G01S19/215G01S19/22G01S19/20G01S19/33
Inventor 殷赞甄卫民陈渤
Owner 中国电波传播研究所