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GBAS and SBAS fusion system based on global satellite navigation system

A global satellite navigation and satellite technology, applied in the field of satellite navigation, can solve the problems of difficult station deployment, high cost, and inconvenient management, and achieve the effects of economy, practicability, and cost reduction

Pending Publication Date: 2021-05-25
哈尔滨天枢问道技术有限公司
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Problems solved by technology

[0005] In order to solve the problems of high cost, difficult station deployment, and inconvenient management due to the independent operation of GBAS and SBAS, the present invention provides a GBAS and SBAS fusion system based on the global satellite navigation system

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  • GBAS and SBAS fusion system based on global satellite navigation system

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Embodiment Construction

[0026] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings, but it is not limited thereto. Any modification or equivalent replacement of the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention should be covered by the present invention. within the scope of protection.

[0027] The present invention provides a GBAS and SBAS fusion system based on the global satellite navigation system, the basic idea of ​​which is: to realize simultaneous provision of GBAS and SBAS services through the fusion of GBAS and SBAS ground terminals. Such as figure 1 As shown, the GBAS and SBAS fusion system includes a ground reference receiver (with known location) 1 that can operate continuously, a ground central processing station 2, a VHF device 3, an upload injection station 4, and a ground data link network 5, among which :

[0028] Th...

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Abstract

The invention discloses a GBAS and SBAS fusion system based on a global satellite navigation system. The fusion system comprises a ground reference receiver, a ground central processing station, very high frequency equipment, an uploading injection station and a ground data link network. According to the fusion system provided by the invention, the existing GBAS and SBAS systems are subjected to ground end integration, so that GBAS and SBAS services can be provided at the same time, and the fusion system can be used for providing precise navigation positioning and integrity services of ground-based enhancement and satellite-based enhancement in a GNSS (Global Navigation Satellite System) enhancement system. The system has the following advantages that the ground end integrates the GBAS system and the SBAS system, so that the practicability is high; the cost of respectively arranging the GBAS and the SBAS is effectively reduced, and the aim of economy is fulfilled; a mode of fusing the GBAS and the SBAS at a ground end is adopted, and two alternative enhancement modes of the GBAS and the SBAS are provided for a user by using one set of equipment, so that the method is more practical.

Description

technical field [0001] The invention belongs to the technical field of satellite navigation, and relates to a GBAS and SBAS fusion system based on a global navigation satellite system. Background technique [0002] In recent years, with the development of the aviation industry, the improvement of navigation positioning accuracy and integrity level has attracted more and more attention from the aviation sector. Foreign scholars and institutions first proposed ground-based augmentation systems (GBAS) and satellite-based augmentation systems (SBAS), and they are conducting research and trials in a planned way. Among them, the main purpose of the enhanced system is to provide precise navigation and positioning and integrity services to ensure the accuracy, continuity, integrity and availability of user navigation and positioning. [0003] GBAS relies on VHF Data Broadcast to send FAS data, correction values, integrity signals and navigation data generated by ground information ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/01G01S19/33G01S19/42G01S19/41
CPCG01S19/01G01S19/33G01S19/425G01S19/41
Inventor 张清江赵龙陶成钢
Owner 哈尔滨天枢问道技术有限公司
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