A novel single-feed circularly polarised aperture-coupled square patch is presented, where a square ring slot has been adopted to implement the coupling mechanism. By introducing some simple modifications of the square ring and patch geometries (namely a couple of meanders and slots), a 3 dB axial ratio fractional bandwidth of up to 9% is achieved. Explicit reference is made to the design of a WiMax antenna operating in the 3.3–3.8 GHz frequency band. The antenna has been fabricated and characterised.

Single-Feed Circularly Polarized Aperture-Coupled Square Ring Slot Microstrip Antenna

BUFFI, ALICE;CASO, ROBERTO;NEPA, PAOLO;MANARA, GIULIANO
2010

Abstract

A novel single-feed circularly polarised aperture-coupled square patch is presented, where a square ring slot has been adopted to implement the coupling mechanism. By introducing some simple modifications of the square ring and patch geometries (namely a couple of meanders and slots), a 3 dB axial ratio fractional bandwidth of up to 9% is achieved. Explicit reference is made to the design of a WiMax antenna operating in the 3.3–3.8 GHz frequency band. The antenna has been fabricated and characterised.
Buffi, Alice; Caso, Roberto; M. R., Pino; Nepa, Paolo; Manara, Giuliano
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/205022
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