CPW fed rectangular rings-based patch antenna with DGS for WLAN/UNII applications

The spectral congestion in existing Industrial, Scientific, and Medical (ISM) Wireless Local Area Network (WLAN) bands has led to the emergence of new ISM bands (Unlicensed National Information Infrastructure (UNII)) from 5.150 to 5.710 GHz. In this paper, a simple uniplanar, high gain, microstrip a...

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Veröffentlicht in:International journal of microwave and wireless technologies 2019-06, Vol.11 (5-6), p.523-531
Hauptverfasser: Singla, Geetanjali, Khanna, Rajesh, Parkash, Davinder
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container_title International journal of microwave and wireless technologies
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creator Singla, Geetanjali
Khanna, Rajesh
Parkash, Davinder
description The spectral congestion in existing Industrial, Scientific, and Medical (ISM) Wireless Local Area Network (WLAN) bands has led to the emergence of new ISM bands (Unlicensed National Information Infrastructure (UNII)) from 5.150 to 5.710 GHz. In this paper, a simple uniplanar, high gain, microstrip antenna is designed, fabricated, and tested for existing WLAN and new UNII standards. The proposed antenna provides dualband operation by joining two rectangular rings and cutting Defected Ground Structure in the Coplanar Wave Guide (CPW) feed. The experimental and simulation results show good return loss characteristics and stable radiation pattern over the desired frequency bands ranging from 2.20 to 2.65 GHz (WLAN band) at a lower frequency and from 5.0 to 5.45 GHz (UNII-1/UNII-2 bands). The measured peak gains are 5.5 and 4.9 dBi at 2.45 GHz (WLAN band) and 5.15 GHz (UNII band), respectively.
doi_str_mv 10.1017/S1759078719000023
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source Cambridge University Press Journals Complete
subjects Antennas
Coplanar waveguides
Design
Fractals
Frequencies
Geometry
High gain
Local area networks
Microstrip antennas
Microwaves
Patch antennas
Propagation
Research Papers
Wireless networks
title CPW fed rectangular rings-based patch antenna with DGS for WLAN/UNII applications
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