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Satellite-based enhanced data uplink transmission system and ground station

A technology for enhancing data and ground stations, applied in the field of satellite communication, can solve the problems of high operation cost and low maintenance efficiency of data transmission link of satellite communication system, and achieve the effect of avoiding high operation and maintenance cost.

Active Publication Date: 2022-04-12
QIANXUN SPATIAL INTELLIGENCE INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present disclosure is to provide a satellite-based enhanced data uplink transmission system and a ground station for satellite-based enhanced data uplink transmission, which are used to overcome at least to some extent the satellite communication system data problems caused by the limitations and defects of related technologies. The problem of high operating cost and low maintenance efficiency of the transmission link

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  • Satellite-based enhanced data uplink transmission system and ground station
  • Satellite-based enhanced data uplink transmission system and ground station
  • Satellite-based enhanced data uplink transmission system and ground station

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Embodiment Construction

[0030] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced without one or more of the specific details being omitted, or other methods, components, devices, steps, etc. may be adopted. In other instances, well-known technical solution...

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Abstract

The invention provides a satellite-based enhanced data uplink transmission system and a ground station, and the system comprises a data center which is used for generating to-be-propagated satellite-based enhanced data; the ground station is used for uplink transmission of to-be-propagated satellite-based enhanced data to a satellite and comprises a first switch, a first coding modulator, a first L up-converter, an L-C frequency conversion amplifier and a ground station antenna which are connected in series; the input end of the monitoring device is connected between the first L up-converter and the L-C frequency conversion amplifier, the monitoring device is used for obtaining a middle ring signal and obtaining middle ring monitoring data after carrying out down-conversion operation and demodulation decoding on the middle ring signal, and the middle ring signal is a signal obtained after up-conversion and L-C frequency conversion amplification on to-be-propagated satellite-based enhanced data; and the controller is connected with the monitoring equipment and the data center and is used for determining the operation state of the ground station according to a comparison result of the middle ring monitoring data and the to-be-propagated satellite-based enhancement data. According to the embodiment of the invention, the reliability of uplink transmission of the satellite-based enhanced data can be improved, and the operation and maintenance cost of a satellite communication link is reduced.

Description

technical field [0001] The present disclosure relates to the technical field of satellite communication, in particular, to a satellite-based enhanced data uplink transmission system and a ground station for satellite-based enhanced data uplink transmission. Background technique [0002] The satellite-based augmentation system is a GNSS (Global Navigation Satellite System, Global Navigation Satellite System) augmentation system that uses satellites as data communication links. The satellite-based augmentation system transmits data to each terminal in the form of satellite signals through the satellite broadcast link. The satellite-based broadcast link has high requirements on data continuity and availability, and it is necessary to quickly and accurately locate the faulty link after a fault occurs, and restore the broadcast service as soon as possible. [0003] In related technologies, it is usually determined whether the satellite-based broadcast link is abnormal by receivin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185
CPCY02D30/70
Inventor 丁菲贺黎滔刘峻宁
Owner QIANXUN SPATIAL INTELLIGENCE INC
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