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.
Autori interni: | |
Autori: | A. BUFFI; R. CASO; M.R. PINO; NEPA P; G. MANARA |
Titolo: | Single-Feed Circularly Polarized Aperture-Coupled Square Ring Slot Microstrip Antenna |
Anno del prodotto: | 2010 |
Digital Object Identifier (DOI): | 10.1049/el.2010.3545 |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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