Experimental investigations into a linearly polarized radial slot antenna for DBS TV in Australia

PW Davis, ME Bialkowski - IEEE Transactions on Antennas …, 1997 - ieeexplore.ieee.org
A hybrid theoretical/experimental approach to the design of radial line slot array (RLSA)
antennas for receiving direct broadcast satellite (DBS) TV programs in Australia is …

Low-cost monopulse radial line slot antenna

M Sierra-Castañer, M Sierra-Pérez… - … on Antennas and …, 2003 - ieeexplore.ieee.org
The authors propose the design of one radial line slot antenna with two simultaneous
beams, one broadside beam and one conical beam. The antenna is a radial line slot …

A waveguide-fed parallel plate slot array antenna

J Hirokawa, T Miyagawa, M Ando… - IEEE Antennas and …, 1992 - ieeexplore.ieee.org
The authors propose an array in which a plane TEM (transverse electromagnetic) wave is
excited in a parallel plate waveguide by a rectangular waveguide through feed slots cut in a …

Linearly polarized radial-line slot-array antennas with improved return-loss performance

PW Davis, ME Bialkowski - IEEE Antennas and Propagation …, 1999 - ieeexplore.ieee.org
The standard linearly polarized radial-line slot-array (RLSA) antenna exhibits poor return
loss as seen by its coaxial feed. This paper describes techniques that improve the poor …

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 reflection cancelling slot set in a linearly polarized radial line slot antenna

J Takada, M Ando, N Goto - IEEE Transactions on Antennas …, 1992 - ieeexplore.ieee.org
A radial line slot antenna (RLSA) is a high-gain and high-efficiency planar antenna. A
linearly polarized RLSA (LP-RLSA) is attractive for applications of various subscriber radio …

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 …

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 …

Analytic model of a coax-fed planar cavity-backed metasurface antenna for pattern synthesis

I Yoo, MF Imani, L Pulido-Mancera… - … on Antennas and …, 2019 - ieeexplore.ieee.org
We present an analytic model of a coax-fed planar cavity-backed metasurface antenna for
radiation pattern synthesis. The metasurface antenna consists of a printed cavity loaded with …

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 …