Daniele Piazza

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In this paper, we quantify the performance enhancements that can be provided by reconfigurable antennas in an ad hoc network where all nodes employ multiple input multiple output communication techniques. We present two types of reconfigurable antennas: a reconfigurable printed dipole array (RPDA), and a reconfigurable circular patch antenna (RCPA). The(More)
This paper presents a reconfigurable two-port circular patch antenna that improves the performance of a MIMO wireless communications system through pattern diversity. Different modes of the circular patch antenna can be excited by varying its radius with PIN diode switches. Based on this antenna architecture a practical algorithm that exploits the wireless(More)
This paper uses near field and far-field computational electromagnetic analysis to demonstrate a novel reconfigurable multi-port circular patch antenna that uses pattern diversity to improve the performance of a MIMO system. Different modes of the circular patch antenna can be excited by varying its radius. A 2x2 MIMO system employing such reconfigurable(More)
ii Dedications To my parents, Richard and Linda, and to my sister, Emily. iii Acknowledgements When I stand at the summit of a mountain and look back upon the path I traveled, I am always amazed by the clarity of the path. Looking back to the trailhead over the route, the obstacles and challenges are easy to point out. However, there are many struggles(More)
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