A broadband satellite communication verification system and method

By designing a modular broadband satellite communication verification system, the problem that existing systems cannot meet the verification of new broadband communication systems is solved, and the verification of Q/V link characteristics, integrated satellite-ground beam hopping and massive terminal access is realized. , providing a more comprehensive technical feasibility verification.

CN116131900BActive Publication Date: 2025-02-07CHINA ACADEMY OF SPACE TECHNOLOGY
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Patent Information

Application Number
CN202211435912.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-16
Publication Date
2025-02-07
Estimated Expiration
2042-11-16

AI Technical Summary

Technical Problem

The existing broadband satellite communication verification system cannot meet the demonstration verification of Q/V link characteristics, satellite-ground integrated beam hopping, and new system satellite broadband communication systems.

Method used

A broadband satellite communication verification system was designed, including user segment, channel, space segment and ground segment, built using modular ideas, supporting adaptive high-order coding modulation, variable carrier rate, power control and dynamic configuration, beam hopping, etc. This method can realize the satellite-ground transmission, system management and resource allocation of massive terminals.

Benefits of technology

It has realized the demonstration and verification of the performance and service capabilities of the broadband satellite communication link of the new communication system, provided a more comprehensive technical feasibility verification, and supported massive terminal access management and digital transparent processing function verification.

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Abstract

The present invention relates to a broadband satellite communication verification system, comprising: a user segment, a channel, a space segment and a ground segment; the user segment comprises: a broadband terminal station prototype, a large-scale terminal station simulator, a beam hopping modulation terminal, a beam hopping demodulation terminal and a service simulator; the channel comprises: a satellite channel simulator; the space segment comprises: an on-board digital transparent processor prototype and a beam hopping simulation payload; the ground segment comprises: a network management system, a gateway prototype and a gateway simulator; the broadband terminal station prototype is used to receive and transmit Ka-band signals, and perform power amplification, up-conversion and down-conversion on the Ka-band signals, and complete data modulation, demodulation, processing and forwarding. The present invention solves the problem of the current lack of relevant verification systems and verification methods, and the inability to provide technical feasibility verification for engineering applications.
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Citation Information

Patent Citations

  • System, method, device and equipment for testing performance of satellite communication system

    CN113676264A

  • Beam hopping communication method for low-orbit satellite communication system and satellite load equipment

    CN114285456A