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The general issue of this letter deals with the design of a phased array antenna for high-data-rate SATCOM. A final demonstrator antenna could be installed on an unmanned aerial vehicle (UAV) to communicate with a satellite in Ka-band. First, a compact reflection-type phase shifter is designed and realized. Second, the conception of a phased array antenna prototype is detailed. Third, a new calibration...
In this paper, we present and analyse a spread spectrum chaos-based communication system in a multipath channel. The propagation model considers the direction of arrival and the polarization of each version of a transmitted signal. To increase the performance of the chaos-based communication system, monopoles with different orientations and no space diversity are proposed in the receiver side. In...
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