Results 21 to 30 of about 33,416 (266)

A Novel Dual-Broadband Dual-Polarized Electrical Downtilt Base Station Antenna for 2G/3G Applications

open access: yesIEEE Access, 2017
A novel dual-broadband dual-polarized base station antenna array with compact structure and low profile is proposed in this paper for the existing mobile communication system operating over 0.79-0.96 GHz (European Digital Dividend/CDMA/GSM) and 1.71-2.17
Yejun He, Wei Tian, Long Zhang
doaj   +1 more source

Compact and Wideband Differentially Fed Dual-Polarized Antenna With High Common-Mode Suppression

open access: yesIEEE Access, 2019
A compact and wideband differentially fed dual-polarized antenna with high common-mode suppression is investigated in this paper. A square patch with crossed-slot consisting of four slant funnel-shaped slots is used as the radiator, generating slant ...
Zhao Zhou   +4 more
doaj   +1 more source

Editorial on Antennas

open access: yesSensors, 2023
In the ever-evolving landscape of modern wireless communication systems, the escalating demand for seamless connectivity has propelled the imperative for avant garde, versatile, and high-performance antennas to unprecedented heights [...]
Naser Ojaroudi Parchin   +2 more
openaire   +4 more sources

A Dielectric Resonator Fed Wideband Metasurface Antenna With Radiation Pattern Restoration Under its High Order Modes

open access: yesIEEE Access, 2020
In this article, a dielectric resonator (DR) excited wideband metasurface (MTS) antenna with differential feeding is proposed, which uses two modes of the MTS and the fundamental mode of the DR to achieve multimode operation and obtain wide bandwidth ...
Yonghui Qiu   +5 more
doaj   +1 more source

Wideband Low-Profile Luneburg Lens Based on a Glide-Symmetric Metasurface

open access: yesIEEE Access, 2020
This paper presents a two-dimensional low-profile Luneburg lens that is designed by using a glide-symmetric metasurface. The entire lens consists of two mirrored metal plates with periodic metal pins, and the pins on one plate are glided exactly a half ...
Fangfang Fan   +4 more
doaj   +1 more source

A Dual-Band MIMO Antenna With Enhanced Isolation for 5G Smartphone Applications

open access: yesIEEE Access, 2019
In this paper, a compact dual-band MIMO antenna array for 5G smartphone applications is proposed. The MIMO antenna consists of eight folded monopole antennas operating at 3.45-GHz band (3300~3600MHz).
Wen Jiang   +4 more
doaj   +1 more source

A Miniaturized Dual-Band Frequency Selective Surface with Enhanced Capacitance Loading for WLAN Applications

open access: yesSensors
This article presents a miniaturized dual-band frequency selective surface (FSS) based on capacitance-enhancing technique for RF shielding applications. The FSS incorporates two independent corner-modified square loop (CMSL) elements realized on a lossy ...
Muhammad Idrees   +4 more
doaj   +1 more source

Design of Wideband Circularly Polarized Crossed-Dipole Antenna Using Parasitic Modified Patches

open access: yesIEEE Access, 2019
In this paper, a wideband circularly polarized (CP) crossed-dipole antenna is presented by using parasitic modified patches. Four polygonal metal patches are sequentially rotated around the crossed dipoles.
Zhipeng Zhao   +5 more
doaj   +1 more source

Wideband circularly polarised antenna array with isoflux pattern

open access: yesIET Microwaves, Antennas & Propagation, 2021
The authors present a wideband circularly polarised antenna array consisting of a 10‐element ellipse dipole antenna and a feed network. A metal pillar is vertically loaded at the end of each ellipse dipole arm to extend the current path, thereby reducing
Fanchao Zeng   +5 more
doaj   +1 more source

Design of a Miniaturized and Polarization-Independent Frequency-Selective Surface for Targeted EMI Shielding

open access: yesApplied Sciences
In this article, a miniaturized frequency-selective surface (FSS)-based electromagnetic shield is investigated for EMI mitigation in the X-band. The FSS comprises a convoluted conducting loop designed over an FR-4 substrate.
Muhammad Idrees   +3 more
doaj   +1 more source

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