A high-power sandwiched omnidirectional circularly polarized antenna for GNSS systems

M Akmal, A Alieldin, AR Eldamak - IEEE Access, 2023 - ieeexplore.ieee.org
This paper presents a small-size, low-profile antenna for anti-attacking systems that work
against unmanned GNSS-guided attacking vehicles to protect a vital area. The proposed …

A wideband monoconical antenna for airborne applications with a null-filled radiation pattern

W Kim, G Shin, KW Lee, B Mun… - IEEE Antennas and …, 2022 - ieeexplore.ieee.org
A wideband monoconical antenna with a null-filled radiation pattern for airborne
applications is presented. A rotating current distribution, which radiates an electric field at …

A Null-Filled Axisymmetric Secant-Square-Shaped Beam Antenna for Unmanned Aerial Vehicles

W Diao, Y Li, Z Zhang - IEEE Antennas and Wireless …, 2023 - ieeexplore.ieee.org
In this letter, an antenna with a null-filled axisymmetric secant-square-shaped beam for the
unmanned aerial vehicle is proposed. The proposed antenna consists of four monopoles …

Null-filled high gain airborne antenna with metasurface for emergency communication

WQ Zhou, L Guo, X Wang, J Yan, C Pan - AEU-International Journal of …, 2024 - Elsevier
This letter presents a null-filled high-gain airborne antenna with metasurface for emergency
communication. The proposed antenna consists of a monopole with two metal feeding …

Wireless Train Detection Based on Null-Filled UHF RFID Reader Antenna for Communications-Based Train Control

ZY Pang, KW Tam, GL Huang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This work proposes a novel UHF RFID-assisted axle counting system for wireless train
detection. In the system, the RFID tag antennas are proposed to be attached to the train …

A Low-Profile Circularly Polarized Antenna with Hemispherical Axial-Ratio Beam Coverage by DualMode Radiation Patterns Merging

Y Jiang, B Zhang - IEEE Antennas and Wireless Propagation …, 2024 - ieeexplore.ieee.org
An omnidirectional right-handed (RH) circularly polarized (CP) antenna with wide axial-ratio
beamwidth (ARBW) is proposed, by which hemispherical radiation pattern coverage is …

A Simple Method for Solving the Power Fluctuation Issue of a Base Station's Surrounding Areas Based on Half Tyler Distribution

L Duan, J Zhang, X Zhu, Y Zhang, D Chang, J Dong… - Electronics, 2024 - mdpi.com
This paper proposes array antennas based on half Tyler (HT) distribution that can realize
omnidirectional null-free (ONF) beams. Array 1 employs the usual edge feeding approach …

Horizontal polarized DC grounded omnidirectional antenna for UAV ground control station

MS Sadiq, C Ruan, H Nawaz, S Ullah, W He - Sensors, 2021 - mdpi.com
A new slot-based antenna design capable of producing horizontal polarization for
unmanned aerial vehicle (UAV) ground control station (GCS) applications is outlined in this …

Investigation on a compact wideband omnidirectional circularly polarized antenna in an indoor propagation channel for 2.4 GHz application

SR Emadian, C Ghobadi - International Journal of …, 2024 - Wiley Online Library
In this paper, for the first time, the capability of a compact low‐cost wideband omnidirectional
circularly polarized (CP) antenna to suppress multipath fading characteristics in a typical …

Low gain ripple and DC-grounded slant-polarized formulation with 360 broadbeam coverage

MS Sadiq, C Ruan, H Nawaz, S Ullah, W He - IEEE Access, 2020 - ieeexplore.ieee.org
In this paper, a new slant-polarized slot antenna configuration is presented for direction
finding and base station applications. The proposed antenna comprises enhanced size …