DOI: https://doi.org/10.3103/S0735272719020043
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Radiating branches of proposed antenna

ACS-fed wideband mirrored Z- and L-shaped triple band uniplanar antenna for WLAN applications

Praveen Vummadisetty Naidu, Arvind Kumar

Abstract


A mirrored Z- and L-shaped printed uniplanar antenna has been proposed and developed in this paper for triple band applications. The developed geometry realizes simple radiating branches with 50 Ω Asymmetric Coplanar Strip (ACS) feedline and rectangular ground plane. It occupies a very compact area of 16×24 mm including the ground plane, the size of which is only 0.18×0.34λ at the frequency of 2.3 GHz in free space. The simulated results obtained in the environment of CST Microwave Studio package have been compared with the measured results of antenna using the PNA N5222A Vector Network Analyzer, and a good agreement of results has been achieved. For –10 dB reflection coefficient the bandwidth is about 230 MHz in the band of 2.27–2.5 GHz, 200 MHz in the band of 3.65–3.85, and 1700 MHz in the band 5.2–6.9 GHz. The proposed uniplanar antenna is not only compact in size, but also has wide bandwidths that cover the Long Term Evolution (LTE), Wireless Broadband (WiBro), Worldwide Interoperability for Microwave Access (WiMAX), Wireless Local Area Network (WLAN) and Industrial Scientific and Medical radio band (ISM) applications.

Keywords


compact antenna; triband antenna; ACS-fed antenna; monopole antenna; multiband antenna

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References


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