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VRS grid point zero trust checking system and method

A grid point and checking technology, applied in the field of satellite navigation, can solve the hidden dangers of VRS data security and other issues, and achieve the effect of preventing illegal data leakage, avoiding leakage, and quick checking

Active Publication Date: 2021-12-03
NAT GEOMATICS CENT OF CHINA
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Problems solved by technology

[0004] However, effective zero-trust inspection for CORS services has not yet been implemented, which leads to hidden dangers in the security of VRS data

Method used

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  • VRS grid point zero trust checking system and method
  • VRS grid point zero trust checking system and method
  • VRS grid point zero trust checking system and method

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Embodiment Construction

[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

[0042] The present invention provides a VRS grid point zero-trust verification system, which combines figure 1 , including a receiving module, a decoding module, a minimum service standard detection module, a gross error detection module and an output module;

[0043] The receiving module receives the VRS grid point data generated by the CORS computing system.

[0044] combine figure 2 , when the CORS computing system...

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Abstract

The invention relates to a VRS grid point zero trust checking system and method. The method comprises the steps of receiving VRS grid point data generated by a CORS computing system; decoding the VRS grid point data, and intercepting illegal messages; detecting the decoded VRS grid point data and rejecting the data which cannot provide the CORS service; eliminating the data of which the consistency of the observation data of the VRS grid points and the geometric model of virtual coordinates does not meet the requirement; and coding the VRS grid point data and pushing the coded VRS grid point data to a corresponding positioning terminal. According to the invention, the safe and rapid verification of the VRS data is realized, and the safety and reliability of the data are improved; satellite data with the precision error not meeting the requirement are eliminated, and the data precision and reliability are guaranteed. The gross error checking is fast and effective, and a large amount of computing resources are prevented from being occupied.

Description

technical field [0001] The invention relates to the technical field of satellite navigation, in particular to a VRS grid point zero-trust checking system and method. Background technique [0002] With the current development of technologies such as the Internet of Things and unmanned driving, the number of real-time positioning terminals will increase. CORS service, as one of the most mature and precise technologies in satellite navigation, is in increasing demand. . At present, all provinces in China provide CORS services based on VRS technology, that is, provide a nearby virtual reference station for differential positioning for the positioning terminal connected. [0003] In order to meet the needs of a large number of users, the CORS service in some areas will generate gridded VRS data in advance, save it in the system, and perform real-time second-level updates. When processing this data, in order to strengthen the security audit, a zero trust check is required. Zero...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/39
CPCG01S19/396
Inventor 王孝青武军郦陈明张鹏张庆兰
Owner NAT GEOMATICS CENT OF CHINA
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