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Title: Wireless optical communications for intra-spacecraft networks based on OCDMA with random optical codes
Authors: Poves, E.
Del Campo, G.
Lopez-Hernandez, F. J.
Martin-Gonzalez, J. A.
Gonzalez, O. 
Rufo, J. 
Perez-Jimenez, R. 
Issue Date: 2012
Publisher: 0885-8985
Project: Optical Wireless for Intra-Spacecraft Communications (ESA 19545)
TEC2006-13887-C0501 (Ministerio de Educación)
Journal: IEEE Aerospace and Electronic Systems Magazine 
Abstract: In recent years, spacial agencies have shown a growing interest in optical wireless as an alternative to wired and radio-frequency communications [1,2]. The use of these techniques for intra-spacecraft communications reduces the effect of take-off acceleration and vibrations on the systems by avoiding the need for rugged connectors and provides a significant mass reduction. Diffuse transmission also eases the design process as terminals can be placed almost anywhere without a tight planification to ensure the proper system behaviour. Previous studies [3,4] have compared the performance of radio-frequency and infrared optical communications. In an intra-satellite environment optical techniques help reduce EMI related problems, and their main disadvantages - multipath dispersion and the need for line-of-sight - can be neglected due to the reduced cavity size. Channel studies [5] demonstrate that the effect of the channel can be neglected in small environments if data bandwidth is lower than some hundreds of MHz. © 1986-2012 IEEE.
ISSN: 0885-8985
DOI: 10.1109/MAES.2012.6226693
Source: IEEE Aerospace and Electronic Systems Magazine[ISSN 0885-8985],v. 27 (6226693), p. 36-41
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