Experimental validation of performance limits and design guidelines for small antennas

DF Sievenpiper, DC Dawson, MM Jacob… - … on Antennas and …, 2011 - ieeexplore.ieee.org
The theoretical limit for small antenna performance that was derived decades ago by
Wheeler and Chu governs design tradeoffs for size, bandwidth, and efficiency. Theoretical …

Small and adaptive antennas and arrays for GNSS applications

JL Volakis, AJ O'Brien, CC Chen - Proceedings of the IEEE, 2016 - ieeexplore.ieee.org
This paper reviews Global Navigation Satellite Systems (GNSS) antennas and arrays for
robust coverage in presence of interference signals with a focus on antenna design aspects …

Design of a compact 4-element GNSS antenna array with high isolation using a defected ground structure (DGS) and a microwave absorber

A Madni, WT Khan - IEEE Open Journal of Antennas and …, 2023 - ieeexplore.ieee.org
This work presents a compact (125 mm diameter) wideband 4-element antenna array with a
high isolation level for global navigation satellite system (GNSS) applications. The array …

A new wideband circularly polarized hybrid dielectric resonator antenna

G Massie, M Caillet, M Clénet… - IEEE Antennas and …, 2010 - ieeexplore.ieee.org
Dielectric resonator antennas (DRAs) have been targeted in the past two decades as a
potential solution for wideband antennas. Although DRAs offer wider frequency band and …

A compact single radiator CRLH-inspired circularly polarized leaky-wave antenna based on substrate-integrated waveguide

H Lee, JH Choi, CTM Wu, T Itoh - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
A circularly polarized (CP) CRLH-inspired leaky-wave antenna (LWA) based on substrate-
integrated waveguide (SIW) and microstrip delay line is presented. The unit-cell of the …

Broadbeam cross-dipole antenna for GPS applications

YX Sun, KW Leung, K Lu - IEEE Transactions on Antennas and …, 2017 - ieeexplore.ieee.org
A broadbeam cross-dipole antenna with improved low-elevation gain for global positioning
system (GPS) applications is reported. The cross-dipole consists of two perpendicular …

Mutual coupling reduction of a circularly polarized four-element antenna array using metamaterial absorber for unmanned vehicles

J Zhang, J Li, J Chen - IEEE Access, 2019 - ieeexplore.ieee.org
A double-layer metamaterial absorber is proposed to suppress the mutual coupling within a
circularly polarized (CP) four-element antenna array operating at the Chinese Beidou …

Frequency‐tunable circularly polarized twin dual folded inverted‐L antenna with varactor‐loaded split‐ring resonator structures

PCP Kumar, PT Rao - International Journal of Communication …, 2025 - Wiley Online Library
The design of a miniaturized frequency‐tunable circularly polarized twin dual folded inverted‐
L antenna with varactor‐loaded split‐sing resonator structure is proposed in the paper. The …

A broadband folded printed quadrifilar helical antenna employing a novel compact planar feeding circuit

M Caillet, M Clénet, A Sharaiha… - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
A broadband printed quadrifilar helical antenna employing a novel compact feeding circuit is
proposed in this paper. This antenna presents an excellent axial ratio over a wide …

Compact 2 x 2 coupled double loop GPS antenna array loaded with broadside coupled split ring resonators

AA Gheethan, PA Herzig… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
The design and nulling capability of a compact 2× 2 dual-band coupled double loop (CDL)
GPS antenna array loaded with broadside coupled split ring resonators (BC-SRR) are …