✦ LIBER ✦

A novel suspended stripline-fed printed square slot array antenna with high-gain

✍ Scribed by Juntao He; Xing Chen; Kama Huang

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 180 KB
Volume: 19
Category: Article
ISSN: 1096-4290
DOI: 10.1002/mmce.20395

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✦ Synopsis

A novel suspended stripline-fed square slot array antenna with high gain is presented. Its basic structure is a suspended stripline comprising of three layers. On the top layer, 4 3 4 square slots are etched and act as radiation elements. The middle layer consists of a suspended stripline power divider, and the bottom layer is a metal ground. After optimization by a parallel Genetic Algorithm (GA) on a cluster system, a prototype antenna is fabricated and tested. The measured results agree well with the simulated data, and show a high gain of 18.7 dBi and an impedance bandwidth of 5.7% for S11<-10 dB are obtained. V

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## Abstract A novel design of a broadband circularly polarized square slot antenna fed by a single coplanar waveguide is proposed and discussed. The circularly polarized radiation is achieved by means of using an outer rectangular ring and an inner rectangular ring at the center of a square slot. T