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 3dB axial ratio fractional bandwidth of up to 9 is achieved. Explicit reference is made to the design of a WiMax antenna operating in the 3.3-3.8GHz frequency band. The antenna has been fabricated and characterised. © 2010 The Institution of Engineering and Technology.
Single-feed circularly polarised aperture-coupled square ring slot microstrip antenna
Nepa P;Manara G
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 3dB axial ratio fractional bandwidth of up to 9 is achieved. Explicit reference is made to the design of a WiMax antenna operating in the 3.3-3.8GHz frequency band. The antenna has been fabricated and characterised. © 2010 The Institution of Engineering and Technology.File in questo prodotto:
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