Results 31 to 40 of about 639,224 (342)

A Compact Flexible Frequency Reconfigurable Antenna for Heterogeneous Applications

open access: yesIEEE Access, 2020
This paper presents a compact frequency reconfigurable antenna for flexible devices and conformal surfaces. The antenna consists of a simple easy to fabricate structure consisting of a stub loaded circular radiator, designed on commercially available ...
Niamat Hussain   +7 more
semanticscholar   +1 more source

Analysis of RF Front-End Performance of Reconfigurable Antennas with RF Switches in the Far Field

open access: yesInternational Journal of Antennas and Propagation, 2014
The RF front-end performances in the far-field condition of reconfigurable antennas employing two commonly used RF switching devices (PIN diodes and RF-MEMS switches) were compared.
Insu Yeom   +4 more
doaj   +1 more source

Reconfigurable Loop Antenna With Two Parasitic Grounded Strips for WWAN/LTE Unbroken-Metal-Rimmed Smartphones

open access: yesIEEE Access, 2017
A reconfigurable loop antenna with two parasitic grounded strips for modern smartphone devices is presented in this paper. The most essential merit of this proposed reconfigurable antenna is that it can keep the intactness of the outer metal rim.
Hui-Bin Zhang   +4 more
doaj   +1 more source

ANTENNAS WITH CONTROLLED DIRECTIVITY PATTERNS [PDF]

open access: yesРадиофизика и электроника, 2017
The current methods and devices for correcting and controlling the directivity patterns of metal whip and loop reconfigurable antennas, as well as plasma and electron beam reconfigurable antennas are investigated.
V. V. Ovsyanikov
doaj   +1 more source

A Reconfigurable MIMO/UWB MIMO Antenna for Cognitive Radio Applications

open access: yesIEEE Access, 2019
A novel multi-mode frequency reconfigurable MIMO and an ultrawideband (UWB) MIMO antenna design for cognitive radio applications is proposed in this paper.
Xiongwen Zhao   +2 more
doaj   +1 more source

Wearable Fabric Reconfigurable Beam-Steering Antenna for On/Off-Body Communication System

open access: yesInternational Journal of Antennas and Propagation, 2015
This paper presents a comparison of on-body performances between omnidirectional (loop antenna) and reconfigurable beam-steering antennas. Both omnidirectional and reconfigurable antennas were manufactured on the same fabric substrate and operated at the
Seonghun Kang, Chang Won Jung
doaj   +1 more source

Polarization Reconfigurable and Beam-Switchable Array Antenna Using Switchable Feed Network

open access: yesIEEE Access, 2022
A novel array antenna with reconfigurable polarizations and radiation pattern agility is presented in this paper. The digital-controllable array antenna has the functional capabilities of reconfigurable polarization and switching beam, which consists of ...
Chao Liu   +5 more
doaj   +1 more source

Optically Controlled Reconfigurable Filtenna

open access: yesInternational Journal of Antennas and Propagation, 2016
This work is regarding the development of a novel antenna called optically controlled reconfigurable filtenna, which is based on the integration of a broadband printed antenna with a bandpass reconfigurable RF filter.
L. G. Silva   +2 more
doaj   +1 more source

Periodic Fixed-Frequency Staggered Line Leaky Wave Antenna With Wide-Range Beam Scanning Capacity

open access: yesIEEE Access, 2019
A periodic fixed-frequency staggered line leaky wave antenna (LWA) with wide-range beam scanning capacity is proposed in this paper. The reconfigurable antenna is based on a periodic staggered line LWA.
Bin Xi   +5 more
doaj   +1 more source

Reconfigurable Liquid Crystal Dielectric Image Line Leaky Wave Antenna at W-Band

open access: yesIEEE Journal of Microwaves, 2022
This paper presents a reconfigurable dielectric image line leaky wave antenna at W-band. Reconfigurability is achieved by applying bias to anisotropic liquid crystal (LC) filled into the antenna. Instead of separating RF components and DC-bias network by
Henning Tesmer   +4 more
doaj   +1 more source

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