PROJECT TITLE :

Wireless optical communications for intra-spacecraft networks based on OCDMA with random optical codes

ABSTRACT:

In recent years, spacial agencies have shown a growing interest in optical wireless as an alternate to wired and radio-frequency communications [one,a pair of]. The employment of these techniques for intra-spacecraft communications reduces the effect of take-off acceleration and vibrations on the systems by avoiding the necessity for rugged connectors and provides a important mass reduction. Diffuse transmission also eases the look method as terminals will be placed nearly anywhere while not a tight planification to make sure the correct system behaviour. Previous studies [3,4] have compared the performance of radio-frequency and infrared optical communications. In an intra-satellite environment optical techniques facilitate scale back EMI related issues, 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 impact of the channel can be neglected in tiny environments if knowledge bandwidth is lower than some tons of MHz.


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