Satellite positioning method and satellite positioning system

A satellite positioning system and satellite technology, applied in the field of satellite positioning, can solve the problem of low positioning service accuracy, achieve real-time high-precision navigation and positioning, improve positioning accuracy, and reduce hardware complexity.

Active Publication Date: 2018-05-29
北京卫星导航中心 +1
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In actual work, at least there is a problem that the accuracy...

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  • Satellite positioning method and satellite positioning system
  • Satellite positioning method and satellite positioning system
  • Satellite positioning method and satellite positioning system

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Embodiment Construction

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0039]Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the patent application specification and claims of the present invention do not indicate any order, quantity o...

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Abstract

Disclosed are a satellite positioning method and a satellite positioning system. The system includes satellites, a base station, and an observation station. A monitoring terminal and a correction parameter information generation device are arranged at the observation station. The monitoring terminal receives observation data transmitted from the satellites. The correction parameter information generation device generates correction parameters based on the observation data, and the correction parameters are sent to the base station. The base station is provided with a switch and a message parameter overlay, coding and broadcasting device. The switch receives basic navigation messages from the satellites. The message parameter overlay, coding and broadcasting device programs the correction parameters through protocol overlay to the basic navigation messages, and sets the broadcasting of an integrated code message that incorporates the correction parameters. The code message is sent fromthe switch to the satellites through an uplink injection link. The satellites broadcast the integrated code message received from the base station. The correction parameters include one or more of thesub-region comprehensive correction number, the satellite orbit correction number, the satellite clock correction number, and the ionosphere correction number.

Description

technical field [0001] The invention relates to satellite positioning, in particular to a satellite positioning method and a satellite positioning system. Background technique [0002] At present, the Global Navigation Satellite System (GNSS system) is becoming more and more popular, the application of the GNSS system is also becoming more and more extensive, and the use of the GNSS system is also becoming more and more popular. In actual work, at least there is a problem that the accuracy of the positioning service provided by the GNSS system is not high. Contents of the invention [0003] The invention provides a satellite positioning method and a satellite positioning system. Wherein, the satellite positioning system includes: a satellite, a base station, and an observation station, and a monitoring terminal and a correction parameter information generating device are arranged at the observation station, and the monitoring terminal receives observation data sent from t...

Claims

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Application Information

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IPC IPC(8): G01S19/37
CPCG01S19/37G01S19/072G01S19/02G01S19/40
Inventor 周建华陈俊平唐波张益泽曹月玲
Owner 北京卫星导航中心
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