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Satellite network simulation system

A technology of satellite network and simulation system, applied in the field of satellite communication simulation

Inactive Publication Date: 2009-04-08
INST OF SOFTWARE - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] By constructing a ground demonstration and verification simulation system close to the real satellite network environment, the present invention realizes reliable simulation of satellite network topology changes, channel parameters of interstellar and satellite-ground links, and business transmission process, and solves the problem of comprehensive and real satellite simulation. The problem of network characteristics

Method used

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specific Embodiment

[0025] A specific embodiment of the present invention of satellite network is as follows:

[0026] The scenario of this embodiment is a satellite network composed of a Walker constellation (4 orbital planes, each orbital plane has 6 satellites) comprising 24 satellites. In order to evaluate the various properties of this satellite network, the following steps can be taken:

[0027] 1. Connect the main control computer, business simulation node A, business simulation node B with the real-time satellite channel simulator;

[0028] 2. Run the satellite network simulation software system on the main control computer, and create a simulation scene through the scenario editing function, including adding a Walker constellation of 24 satellites, selecting a routing algorithm, setting link parameters, and setting a real-time channel simulator through the scenario editing module The IP of the business simulation node corresponding to each port, if the port is not connected to the busin...

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Abstract

The invention discloses a satellite network simulation system and belongs to the technical field of satellite communication simulation. The system comprises a main control computer, a real-time satellite channel simulator and a plurality of service simulation node computers; the main control computer is provided with a satellite network simulation software system which can achieve establishment of a satellite network simulation scene, can select a routing algorithm, set link parameters and achieve the information management of the simulation satellite network, and is connected with the real-time satellite channel simulator by an RS232 bus; the service simulation node is provided with a service simulation software which achieves simulation of a transmission process of the satellite network service, and is connected with the real-time satellite channel simulator by an Ethernet port. The satellite network simulation system can truly and comprehensively simulate topological changes of the satellite network, channel characteristics of an inter-satellite link and a satellite-to-earth link, and the transmission process of the satellite network service under the laboratory condition.

Description

Technical field: [0001] The invention relates to a satellite network simulation system, especially a system for simulating the connectivity of satellite networks, the delay and bit error rate of interstellar and satellite-ground link channels, and the transmission process of satellite network services at the data link layer, belonging to satellite Communication simulation technology field. Background technique: [0002] The satellite network is a system composed of various types of satellites in different orbits. It is an intelligent system that is interconnected and organically constituted in accordance with the principle of maximum and effective comprehensive utilization of space information resources. [0003] With the wide application of Internet in the world and the development of satellite technology, satellite network is gradually used in various fields such as military affairs, meteorology, spaceflight, disaster warning, agriculture, TV broadcasting, etc., and become...

Claims

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Application Information

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IPC IPC(8): H04B17/00H04B7/185H04B17/391
Inventor 刘立祥周文亚李向群
Owner INST OF SOFTWARE - CHINESE ACAD OF SCI
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