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The work presented in this paper aims at illustrating the improvements foreseen for the Payload Data Transmitter of Near Earth and Deep Space scientific missions. Taking advantage of technology evolution combined with innovative architectures and advanced digital signal processing, the paper shows how to increase dramatically the data return in severely power-constrained scenarios, typical of Deep...
In this paper, the main measured performance results of the SATURN (Smart mAritime saTellite terminal for mUltimedia seRvices and conteNts) system are summarized. The SATURN project aimed to design and develop a maritime user terminal for small leisure boats (up to 20m of length). Such a terminal allows navigators for receiving contents through a DVB-SH channel and transmitting small amount of data...
This paper describes the channel models that are being used within the DVB-S2X standardization effort to define the next generation air interface for satellite broadcast systems. These channel models have been selected in order to represent the most common on-board and on-ground equipment characteristics as well as system configurations. The channel linear and non-linear distortions are described...
Random Access (RA) techniques have been included in the novel DVB-RCS2 standard due to an expected efficiency in addressing SCADA and M2M traffic. Such traffic relies on intermittent sources sending short messages on a periodic time scale. Efficiency is usually assessed in terms of layer-2 packet loss rate without taking into account indirect effects on upper layer protocols. In particular, TCP assumes...
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