BANDWIDTH ENHANCEMENT OF UWB DUAL-POLARIZED ANTENNAS | Zendy

Nina Lorho | Zendy; William Hubert | Zendy; Sébastien Lestieux | Zendy; Anne Chousseaud | Zendy; Tchanguiz Razban-Haghighi | Zendy

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BANDWIDTH ENHANCEMENT OF UWB DUAL-POLARIZED ANTENNAS

Author(s) -

Nina Lorho,

William Hubert,

Sébastien Lestieux,

Anne Chousseaud,

Tchanguiz Razban-Haghighi

Publication year - 2016

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc16062703

Subject(s) - bandwidth (computing) , radiation pattern , radiation , miniaturization , impedance matching , electrical impedance , planar , antenna measurement , physics , antenna tuner , acoustics , optics , electronic engineering , antenna (radio) , computer science , antenna efficiency , electrical engineering , engineering , telecommunications , computer graphics (images)

In this paper, we discuss the impedance and radiation properties of planar UWB (any ultra wide frequency band) dual-polarized antennas. While their performance is usually de¯ned using the impedance bandwidth, some applications require pattern stability over broad frequency bands. An analysis of the behaviour of three UWB dual-polarized antennas (Bowtie Antenna, Toothed Log- Periodic Antenna and Sinuous Antenna) showed interesting conclusions in terms of impedance matching bandwidth and radiation pattern steadiness. Starting from there, we then developped a method that consists in meandering the original structure. This method allows for miniaturization as well as radiation bandwidth enhancement. As a ¯nal result, an electrically small antenna with an impedance bandwidth of more than a decade and a steady radiation pattern over it has been developped.

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