Satellite communication semi-physical simulation system and method for low-orbit giant satellite base

By constructing a hardware-in-the-loop simulation system for the Low Earth Orbit (LEO) Giants satellite communication network, and combining a simulation server cluster with a physical testing system, the challenges of performance evaluation of the LEO Giants communication network were solved. This enabled efficient and accurate evaluation of inter-satellite and satellite-to-ground communication networks, and is suitable for end-to-end communication performance testing.

CN121864148APending Publication Date: 2026-04-14NAT INNOVATION INST OF DEFENSE TECH PLA ACAD OF MILITARY SCI
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Patent Information

Application Number
CN202510863693.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-26
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing technologies are insufficient for efficiently and accurately evaluating and verifying the performance, network parameters, transmission mechanisms, and routing strategies of the Low Earth Orbit (LEO) Giants Consortium (LEO) communication network, especially in terms of evaluating terminal access and uplink/downlink transmission performance in satellite-to-ground communication networks.

Method used

A hardware-in-the-loop simulation system for satellite communication in the low Earth orbit constellation is adopted, which includes a simulation server cluster, a satellite communication payload prototype, a ground communication terminal prototype, and a satellite channel simulator. The performance simulation of satellite-to-ground and inter-satellite communication networks is realized through the simulation server cluster. End-to-end communication performance testing and verification are carried out by combining the data transmission between virtual container nodes and physical prototypes.

Benefits of technology

It enables end-to-end performance testing and verification of the low-Earth orbit giant constellation communication network, applicable to the performance evaluation of inter-satellite and satellite-to-ground communication networks, improving the accuracy and efficiency of evaluation, and reducing costs.

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Abstract

The invention belongs to the technical field of satellite communication, and provides a satellite communication semi-physical simulation system and method for a low-orbit giant satellite base, and the technical scheme is that the satellite communication semi-physical simulation system comprises a simulation server cluster and a physical test system, and the physical test system comprises a satellite communication load model machine, a ground communication terminal model machine and a satellite channel simulator; the ground communication terminal model machine and the satellite channel simulator are respectively connected to the simulation server cluster through the switch, one end of the satellite communication load model machine is connected to the simulation server cluster through the interface conversion equipment and the switch, and the other end of the satellite communication load model machine is connected with the ground communication terminal model machine through the satellite channel simulator; and the plurality of satellite communication load model machines are connected through the satellite channel simulator. Performance simulation evaluation of the satellite-ground communication network and the inter-satellite communication network can be realized at the same time.
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