eprintid: 437
rev_number: 6
eprint_status: archive
userid: 5
dir: disk0/00/00/04/37
datestamp: 2011-07-04
lastmod: 2013-07-01 13:23:22
status_changed: 2013-07-01 13:23:22
type: techreport
metadata_visibility: show
item_issues_count: 0
creators_name: Lizzi, Leonardo
creators_name: Oliveri, Giacomo
creators_name: Gregory, M.D.
creators_name: Werner, D.H.
creators_name: Massa, Andrea
title: A Novel Design Methodology for Integration of Optimized Wideband Elements with Aperiodic Array Topologies
ispublished: pub
subjects: TU
full_text_status: public
note: This version is a pre-print of the final version available at IEEE.
abstract: The recent development of many new ultra-wideband (UWB) array technologies has created a demand for antenna elements that can effectively operate over similar bandwidths. For example, the polyfractal [1] and RPS [2] topologies are capable of exhibiting remarkably wide frequency bandwidths on the order of 20:1, 40:1 or even more, depending on the array size. Often, the antenna elements that are capable of these extended bandwidths begin to develop several lobes in the radiation pattern and generate increased cross-polarized radiation at their upper range of operating frequencies. A new type of ultra-wideband antenna has been developed based on a spline-shaping technique and a particle swarm algorithm (PSO) [3]. With proper attention to the radiation pattern, cross-polarization, and return loss in the PSO cost function, this method is capable of producing UWB antenna elements that minimize all the aforementioned undesirable characteristics, making them very suitable for use in UWB array systems with bandwidths up to 4:1 and perhaps even wider.
date: 2011-01
date_type: published
institution: University of Trento
department: informaticat
refereed: FALSE
referencetext: [1] J. S. Petko and D. H. Werner, “The Pareto Optimization of Ultrawideband Polyfractal Arrays,” IEEE Trans. Antennas. Propagat., Vol. 56, No. 1, pp. 97-107, 2008. [2] M. D. Gregory and D. H. Werner, “Optimized Ultra-wideband Linear Raised-power series Antenna Arrays,” IEEE International Symp. on Antennas and Propagat., Charleston, SC, June 1-5, 2009. [3] L. Lizzi, F. Viani, R. Azaro, and A. Massa, “A PSO-driven spline-based shaping approach for ultrawideband (UWB) antenna synthesis,” IEEE Trans. Antennas. Propagat., Vol. 56, No. 8, pp. 2613-2621, 2008. [4] FEKO. EM Software and Systems – S.A. [Online]. Version 5.4. Available at: www.emssusa.com.
citation:   Lizzi, Leonardo and Oliveri, Giacomo and Gregory, M.D. and Werner, D.H. and Massa, Andrea  (2011) A Novel Design Methodology for Integration of Optimized Wideband Elements with Aperiodic Array Topologies.  [Technical Report]     
document_url: http://www.eledia.org/students-reports/437/1/DISI-11-161.C206.pdf