Circularly polarised microstrip antenna array using proximity coupled feed

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)2190-2191
Journal / PublicationElectronics Letters
Volume34
Issue number23
Publication statusPublished - 12 Nov 1998

Abstract

A 2 × 2 circularly polarised (CP) microstrip antenna array using a proximity coupled feed and sequential rotation is described. As compared with a previously presented single-element circularly polarised microstrip antenna with a cross-slot, the new array achieves a much wider impedance bandwidth of 11.18% and has an axial ratio bandwidth of 4.1%. The return loss, radiation patterns and axial ratio of the antenna array were measured and are presented.