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What is SpaceWire

Chapter 2
Recent Trends on Electromagnetic Environmental Effects for Aeronautics and Space Applications
A standard that specifies the physical interconnection media and data communication protocols to enable the reliable sending of data at high-speed (between 2 Mb/s and 400 Mb/s) from one unit to another. SpaceWire links are full-duplex, point-to-point, and serial data communication links.
Published in Chapter:
SpaceWire: An Overview, Measurements, and Modelling for EMC Assessment
Anargyros T. Baklezos (National Technical University of Athens, Greece) and Christos N. Capsalis (National Technical University of Athens, Greece)
Copyright: © 2021 |Pages: 41
DOI: 10.4018/978-1-7998-4879-0.ch002
Abstract
SpaceWire is a point-to-point bit shipping protocol for high-speed data communication links and networks providing equipment compatibility and seamless component reusability. It has found great application in many space missions reducing the development cost, offering architectural flexibility, and improving reliability. This chapter delves into the standard describing the SpaceWire, focusing on the lower levels that play a key role in the electromagnetic behavior of the system and concern cable assemblies, shielding, bonding, and grounding. Findings regarding emissions affecting spacecraft components are presented as well as other EMC issues that have an impact on the system performance. Recent developments on the modelling of the cable of the system with a focus on radiated emissions of SpW systems are also presented and discussed.
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