Results 11 to 20 of about 222,814 (172)

Reconfigurable wideband patch antenna for cognitive radio [PDF]

open access: yes, 2009
Cognitive radio communication is envisaged to be a new paradigm of methodologies for enhancing the performance of radio communication systems through the efficient utilization of radio spectrum.
AbuTarboush, HF   +14 more
core   +8 more sources

Fixed and reconfigurable multiband antennas [PDF]

open access: yes, 2011
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel UniversityWith the current scenario of development of antennas in the wireless communication field, the need of compact multiband, multifunctional and cost effective ...
Abutarboush, Hattan F
core   +6 more sources

A reconfigurable H-shape antenna for wireless applications [PDF]

open access: yes, 2010
The official published version of this article can be obtained from the link below - Copyright @ EuCAP2010This paper presents a novel H-Shaped reconfigurable microstrip patch antenna fed by a Grounded Coplanar Waveguide (GCPW) for wireless applications.
AbuTarboush, HF   +4 more
core   +7 more sources

An ohmic RF MEMS switch for reconfigurable microstrip array antennas built on PCB [PDF]

open access: yes, 2008
This paper presents the analysis, design and simulation of an ohmic RF MEMS switch specified for reconfigurable microstrip array antennas built on PCB via an integrated monolithic technology.
Mallios, N   +6 more
core   +6 more sources

Tuning-Range Extension Strategies for Varactor-Based Frequency-Reconfigurable Antennas

open access: yesIEEE Open Journal of Antennas and Propagation, 2023
Tuning range extension strategies for varactor-based frequency-reconfigurable planar patch antennas are presented. The three tuning range optimization methods described in the paper include co-optimization of antenna dimensions and varactor properties ...
Quoc Hung Dang   +3 more
doaj   +1 more source

Multiband Reconfigurable Antennas for 5G Wireless and CubeSat Applications: A Review

open access: yesIEEE Access, 2022
The rapid development of wireless technology has sparked interest in multi-band reconfigurable antennas as devices and satellites are innovating toward miniaturization.
Kebonyethebe Ramahatla   +3 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 Fast Evaluation Method for Electrical Performance of Frequency and Pattern Reconfigurable Microstrip Antenna Based on Electromechanical Coupling

open access: yesMicromachines, 2022
With the constant increase in communication requirements in modern society, the number and type of antennas on communication platforms have been increasing at an accelerating rate.
Pengying Xu   +10 more
doaj   +1 more source

Reconfigurable Antennas Based on Pure Water

open access: yesIEEE Open Journal of Antennas and Propagation, 2021
This paper is concerned with the design of reconfigurable antennas based on pure water. Being a transparent, flexible, and readily available liquid, pure water can form a cylindrical stream that can be used to guide a leaky electromagnetic wave.
Changzhou Hua   +6 more
doaj   +1 more source

Advances in Reconfigurable Antenna Systems Facilitated by Innovative Technologies

open access: yesIEEE Access, 2018
Future fifth generation (5G) wireless platforms will require reconfigurable antenna systems to meet their performance requirements in compact, light-weight, and cost-effective packages. Recent advances in reconfigurable radiating and receiving structures
Y. Jay Guo   +4 more
doaj   +1 more source

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