Cross-shaped fractal antenna: A compact circularly polarized radiating element

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Abstract

A novel topology for compact circularly polarized antennas is proposed. The cross-shaped fractal antenna (CSFA) consists of two identical prefractal dipoles that are excited with a 90° time-phase difference between them. Such an antenna significantly reduces the space filling, compared to classical topologies, and radiates excellent circularly polarized fields over a large beamwidth. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 43: 518–521, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20521

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