Abstract
ABSTRACTA novel circularly polarized frequency reconfigurable Koch fractal boundary antenna is proposed. Initially, a Koch slot is etched on the Koch fractal boundary patch of larger dimension (48 × 48 mm2). Within the etched slot, an asymmetrical Koch fractal patch of smaller dimension (36 × 36 mm2) is embedded and switches are introduced along x and y‐directions to connect these inner and outer patch structures. By making ON/OFF switching of the diodes frequency reconfiguration is achieved. Measured results are in close agreement with the simulation results which demonstrates that the proposed antenna is well suited for GSM/Wi‐Fi wireless applications. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:2895–2898, 2015
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