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Future broadband satellite communications systems, able to support the so-called gigabit-connectivity, will require a very large bandwidth availability; this pushes towards the exploitation of “beyond Ka-band” systems, in particular Q/V band systems. This paper presents the most important features of the TDP#5 (Technology Demonstration Payload number 5) scientific mission that will provide us the...
In this paper an analysis on the use of Adaptive Coding and Modulation (ACM) techniques for EHF satellite communications is presented. In particular, our analysis is focused on W-band channels and includes the main channel impairments in this frequency band, i.e. rain fading and HPA non-linearity. The aim of the analysis is to identify modifications to the ACM mode switching algorithm to optimize...
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