Design method for wideband circularly polarized slot antennas

Adam Narbudowicz; Matthias John; Vit Sipal; Xiulong Bao; Max J. Ammann

doi:10.1109/TAP.2015.2456954

Design method for wideband circularly polarized slot antennas

Adam Narbudowicz, Matthias John, Vit Sipal, Xiulong Bao, Max J. Ammann

School of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

37 Citations (Scopus)

Abstract

A compact ultrawideband (UWB) circularly polarized (CP) slot antenna is proposed with a methodology for automated reoptimization for packaging with proprietary devices. The slot structure employs a dual-feed with an integrated compact UWB phase shifter. The design process involves an advanced optimization algorithm and demonstrates the use of spline curves for generation of CP signals. These allow easy optimization, while preserving phase coherency across a wideband. The prototyped antenna has a CP bandwidth of 54% (from 3.2 to 6.1 GHz).

Original language	English
Article number	7160716
Pages (from-to)	4271-4279
Number of pages	9
Journal	IEEE Transactions on Antennas and Propagation
Volume	63
Issue number	10
DOIs	https://doi.org/10.1109/TAP.2015.2456954
Publication status	Published - 1 Oct 2015

Keywords

Circular polarization
Optimization
Slot antennas
Spline
Ultrawideband (UWB) antennas

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10.1109/TAP.2015.2456954

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AU - John, Matthias

AU - Sipal, Vit

AU - Bao, Xiulong

AU - Ammann, Max J.

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Design method for wideband circularly polarized slot antennas

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