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This paper summarises the results of several sessions of measurements executed in the context of the research project named “J-ORTIGIA”. The scope of the project was to validate all kinds of hybrid reception supported by the DVB-SH able to counteract fading in satellite and terrestrial environments. The results of the measurements have also contributed to the 2nd issue of the DVB-SH Implementation...
In this paper, we investigate the benefits of uniform circular arrays (UCAs) as an alternative antenna deployment to uniform linear arrays (ULA), which are commonly applied for multiple-input multiple-output (MIMO) systems. We consider a MIMO satellite link with focus on the Line-of-Sight (LOS) signal component of the MIMO channel between two geostationary satellites and a mobile earth terminal equipped...
This paper makes a survey of current trends and perspectives in the development of mobile satellite services in S-band in Europe. We present the recent evolutions and current status of different ongoing projects. We also identify current technology challenges and key drivers in the future evolution.
This paper gives an overview of a suitable communications system capable of efficiently use the available S-band allocation for pan-European Mobile Satellite Services (15 MHz in both uplink and downlink for each of the two licensed operators) to provide different classes of services such as interactive mobile broadcast services enhancing DVB-SH offer, messaging services for handheld and vehicular...
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