Stratospheric relay: potentialities of new satellite-high altitude platforms integrated scenarios

In the frame of the development of future telecommunications systems, an integration of heterogeneous networks (wireline, wireless, terrestrial or space-based) is envisaged. High Altitude Platfonns (HAP) could play a key role, acting as “building blocks” of such systems; therefore, a new research area concerns their integration in satellite scenarios. This paper presents and analyses two conceivable HAPsatellite integrated scenarios, considering both radio and optical communications for the HAP-satellite links.

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