Bobby Gizas

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Responding to the IEEE DySPAN 2015 5G Spectrum Sharing Challenge, in this paper we propose a SU system that is equipped with a parasitic antenna array and incorporates a low-rate feedback technique in order to accomplish highly efficient spectrum sharing. This approach optimizes the performance of both the PU and SU systems, in terms of the achieved(More)
Spectrum sharing has gained traction in recent years due to the fast reduction of spectrum availability and the growth in the variety of applications that rely on wireless connectivity. This paper presents a novel, database-assisted Medium Access Control (MAC) protocol that allows an Incumbent operator to share its spectrum with a Licensee operator under(More)
Cloud radio access network (C-RAN) systems consisting of remote radio heads (RRHs) densely distributed in a coverage area and connected by optical fibers to a cloud infrastructure with large computational capabilities, have the potential to meet the ambitious objectives of next generation mobile networks. Actual implementations of C-RANs tackle fundamental(More)
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