Increasing the gain of beam-tilted circularly polarized radial line slot array antennas

MNY Koli, MU Afzal, KP Esselle - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This article presents a new type of beam-tilted circularly polarized (CP) radial line slot array
(RLSA) antennas. When the conventional beam tilting method is applied to CP-RLSA …

A broadband low-profile circularly polarized radial line slot antenna

M Bertrand, M Ettorre, G Valerio… - … on Antennas and …, 2022 - ieeexplore.ieee.org
This article presents a circularly polarized corporate-fed radial-line slot antenna (CF-RLSA)
operating in Ka-band and realized in low-cost, low-profile printed circuit board (PCB) …

Optimization of beam-tilted linearly polarized radial-line slot-array antennas

JI Herranz, A Valero-Nogueira, F Vico… - IEEE Antennas and …, 2010 - ieeexplore.ieee.org
This letter investigates the performance of beam-tilting technique when applied to improve
matching of linearly polarized radial-line slot-array antennas. The application of a full-wave …

An all-metal high-gain radial-line slot-array antenna for low-cost satellite communication systems

MNY Koli, MU Afzal, KP Esselle, RM Hashmi - IEEE Access, 2020 - ieeexplore.ieee.org
This article presents a method to produce a highly directive circularly polarized radiation
beam (gain> 35 dBi) from an all-metal circularly polarized radial-line slot array (RLSA) …

A radial line slot-array antenna with low side lobes and a uniform-phase, tapered-amplitude aperture field distribution

MNY Koli, MU Afzal, KP Esselle, RM Hashmi - IEEE Access, 2020 - ieeexplore.ieee.org
The paper presents a circularly polarized radial line slot array (CP RLSA) antenna with a
nearly optimal monotonic variation of slot length with radius, in order to simultaneously …

Compact broadband circularly polarized slot‐patch antenna array

TT Le, HH Tran, TK Nguyen - International Journal of RF and …, 2019 - Wiley Online Library
A simple design of circularly polarized slot‐patch antenna array with broadband operation
and compact size is presented in this article. The antenna element consists of a circular slot …

An omnidirectional circularly polarized slot array antenna with high gain in a wide bandwidth

B Zhou, J Geng, X Bai, L Duan… - IEEE Antennas and …, 2014 - ieeexplore.ieee.org
In this letter, a novel omnidirectional circularly polarized (CP) slot array antenna with high
gain is proposed. The array is based on the coaxial cylinder structure. The omnidirectional …

Significant bandwidth enhancement of radial-line slot array antennas using a radially nonuniform TEM waveguide

MNY Koli, MU Afzal, KP Esselle - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Radial line slot array (RLSA) antennas have attractive features, such as high gain, high
efficiency, and planar low profile, but their gain-bandwidths have been limited to less than …

A triband circularly polarized strip and SRR-loaded slot antenna

PM Paul, K Kandasamy… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this communication, a simple and compact multiband circularly polarized (CP) slot
antenna loaded with metallic strips and a split-ring resonator (SRR) is proposed. The …

Design of circularly polarized annular-ring slot antennas fed by a double-bent microstripline

JY Sze, CIG Hsu, MH Ho, YH Ou… - IEEE Transactions on …, 2007 - ieeexplore.ieee.org
A novel design of a circularly polarized annular-ring slot antenna is discussed. The circular
polarization is attained through a newly proposed double-bent microstripline that feeds the …