High-gain 2 × 2 UWB antenna array with integrated phase inverter

M.N. Hasan; M. Seo

High-gain 2 × 2 UWB antenna array with integrated phase inverter

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Author(s): M.N. Hasan¹ and M. Seo¹
- Affiliations: 1: School of Electronic and Electrical Engineering , Sungkyunkwan University , Suwon 16419 , Republic of Korea
Source: Volume 54, Issue 10, 17 May 2018, p. 612 – 614
DOI: 10.1049/el.2017.4796 , Print ISSN 0013-5194, Online ISSN 1350-911X

Received 05/01/2018, Published 11/04/2018

A compact 2 × 2 ultra wideband (UWB) antenna array, composed of four planar rectangular monopoles, with a novel feeding network scheme is presented. The feeding network contains a power divider with a wideband balun and a 180° phase inverter in order to add the radiated electric fields of the array elements in-phase. A partial ground plane is used to achieve ultra wide bandwidth. The antenna array has a measured impedance bandwidth from 2.5 to 5.5 GHz with broadside radiation pattern and a measured peak gain of 13 dBi. The proposed array is suitable for portable UWB systems.

References

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High-gain 2 × 2 UWB antenna array with integrated phase inverter

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