A survey of performance enhancement techniques of antipodal Vivaldi antenna

AS Dixit, S Kumar - Ieee Access, 2020 - ieeexplore.ieee.org
The increasing proliferation of advanced devices for UWB, 5G communication, micrometer-
wave, and millimeter-wave communication demands an antenna which can handle huge …

Improved radiation characteristics of small antipodal Vivaldi antenna for microwave and millimeter-wave imaging applications

M Moosazadeh, S Kharkovsky… - IEEE Antennas and …, 2017 - ieeexplore.ieee.org
A small antipodal Vivaldi antenna with rectangular slits at sun-shaped configuration and a
half elliptical-shaped dielectric lens is designed for microwave and millimeter-wave imaging …

High-gain antipodal Vivaldi antenna with pseudoelement and notched tapered slot operating at (2.5 to 57) GHz

J Eichenberger, E Yetisir… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Novel methods of improving directivity and decreasing sidelobe radiation via the addition of
an elliptical pseudoelement and irregularly spaced notches in the tapered slot antenna are …

High-gain UWB Vivaldi antenna loaded with reconfigurable 3-D phase adjusting unit lens

L Sang, S Wu, G Liu, J Wang… - IEEE Antennas and …, 2019 - ieeexplore.ieee.org
In this letter, a flexible three-dimensional (3-D) phase adjusting unit (PAU) lens is designed
and loaded in front of a conventional Vivaldi antenna that is able to reconfigure with three …

Microwave imaging with novel time-domain clutter removal algorithm using high gain antennas for concealed object detections

AO Asok, GN SJ, S Dey - IEEE Transactions on Computational …, 2023 - ieeexplore.ieee.org
This paper presents a novel time-domain clutter removal algorithm for microwave imaging of
concealed objects using a new high gain ultra-wideband (UWB) antipodal antenna. Bistatic …

Metamaterial slabs covered UWB antipodal Vivaldi antenna

X Li, H Zhou, Z Gao, H Wang… - IEEE Antennas and …, 2017 - ieeexplore.ieee.org
An ultrawideband metamaterial slab (meta-slab) covered antipodal Vivaldi antenna (AVA)
with high-gain and stable radiation patterns is presented. The meta-slab exploiting the …

Wideband millimeter-wave endfire antenna based on symmetrical spoof surface plasmon polaritons

L Liu, Y Jiang, Y Hu, D Jiang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A wideband and high-gain planar endfire antenna based on spoof surface plasmon
polaritons (SSPPs) at millimeter-wave (MMW) band is presented. First, a unilaterally …

High-gain antipodal Vivaldi antenna surrounded by dielectric for wideband applications

M Moosazadeh - IEEE Transactions on Antennas and …, 2018 - ieeexplore.ieee.org
In this communication, an antipodal Vivaldi antenna surrounded by dielectric (AVA-SD) is
proposed for wideband applications such as microwave and millimeter-wave imaging, see …

A compact wide-bandwidth Antipodal Vivaldi Antenna array with suppressed mutual coupling for 5G mm-wave applications

P Ramanujam, M Ponnusamy, K Ramanujam - AEU-International Journal of …, 2021 - Elsevier
A modified miniaturized Antipodal Vivaldi Antenna (AVA) array with suppressed mutual
coupling is proposed for broadband 5G millimeter wave (mm-wave) application. The …

Miniaturization and performance enhancement of Vivaldi antenna based on ultra-wideband metasurface lens

S Pan, W Shen, Y Feng, Z Liu, P Xiao, G Li - AEU-International Journal of …, 2021 - Elsevier
In this paper, the gradient elliptical slots (ES) are designed to enhance the operating
bandwidth of the Vivaldi antenna (VA) in the relatively low frequency band. The antenna …