Wideband multilayered microstrip antennas fed by coplanar waveguide-loop with and without via combinations

Nasimuddin*, Z. N. Chen

*Corresponding author for this work

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Coplanar waveguide (CPW)-loop fed wideband multilayered microstrip antennas with and without via combinations are presented. The antenna consists of two dielectric substrates, CPW-loop on the ground plane layer, main patch on the middle layer and four asymmetric parasitic patches on the upper layer. The feed consists of a CPW, a loop on a ground plane and a via between main patch and feeding strip on the ground plane layer. Using via, the gain flatness over the impedance bandwidth and return loss are improved. The proposed antenna with four feeding structures is also studied. The 10dB return loss bandwidths of the antenna with and without via are 34 (3.12-4.41GHz) and 33.7 (3.18-4.47GHz), respectively. The measured gain is >5.0dBi over the impedance bandwidth.

Original languageEnglish
Pages (from-to)85-91
Number of pages7
JournalIET Microwaves, Antennas and Propagation
Volume3
Issue number1
DOIs
Publication statusPublished - 2009
Externally publishedYes

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