Compact CPW-fed tri-band antenna with a defected ground structure for GSM, WLAN and WiMAX applications
- Autores: Borah J.1, Sheikh T.1, Roy S.2
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Afiliações:
- North Eastern Regional Institute of Science and Technology
- National Institute of Technology
- Edição: Volume 59, Nº 7 (2016)
- Páginas: 319-324
- Seção: Article
- URL: https://journals.rcsi.science/0735-2727/article/view/176870
- DOI: https://doi.org/10.3103/S0735272716070050
- ID: 176870
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Resumo
In this paper we propose and investigate a unique compact FR4 based CPW-fed tri-band antenna for wireless applications. The antenna comprises frequency shifting strips and a defected ground structure (formed by combining of metallic strips and cutting of an L-shaped slot from the ground). The proposed antenna provides three different impedance bandwidths of 0.57, 0.98 and 1.59 GHz which are sufficient to cover the frequency band of GSM 1800/1900, WLAN 5.5/5.8 GHz and WiMAX applications. The developed antenna has a size of 17-20 mm and operates over frequency ranges 1.50–2.08, 5.25–6.23 and 9.10–10.69 GHz centered at 1.702, 5.802 and 10.102 GHz, respectively. The antenna was designed and simulated using Ansoft HFSS software. The antenna’s characteristics such as reflection coefficient, radiation pattern, impedance bandwidth and VSWR are presented.
Sobre autores
Janmoni Borah
North Eastern Regional Institute of Science and Technology
Autor responsável pela correspondência
Email: borah1989@gmail.com
Índia, Nirjuli
Tasher Sheikh
North Eastern Regional Institute of Science and Technology
Email: borah1989@gmail.com
Índia, Nirjuli
Sahadev Roy
National Institute of Technology
Email: borah1989@gmail.com
Índia, Arunachal Pradesh