A patch antenna with a varactor-loaded slot for reconfigurable dual-band operation

A Khidre, F Yang, AZ Elsherbeni - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
A new design approach for a microstrip patch antenna to achieve reconfigurable dual-band
operation with tunable frequency ratio is introduced. The approach uses a lumped capacitor …

A compact CPW-fed slotted patch antenna for dual-band operation

WC Liu, CM Wu, NC Chu - IEEE Antennas and Wireless …, 2010 - ieeexplore.ieee.org
A compact coplanar waveguide (CPW)-fed patch antenna designed by simply embedding
two types of shaped slots into a rectangular patch for achieving dual-band operation is …

Analysis and design of a differentially-fed frequency agile microstrip patch antenna

SV Hum, HY Xiong - IEEE Transactions on Antennas and …, 2010 - ieeexplore.ieee.org
The design of a frequency agile microstrip patch antenna is described that is readily
interfaced with differential RF transceivers. By integrating three pairs of varactor diodes with …

A simple PIFA-based tunable internal antenna for personal communication handsets

VA Nguyen, RA Bhatti, SO Park - IEEE Antennas and Wireless …, 2008 - ieeexplore.ieee.org
A simple planar inverted F antenna (PIFA)-based tunable internal antenna is proposed for
personal communication handset applications. The antenna can covers following frequency …

Parasitically loaded CPW-fed monopole antenna for broadband operation

WC Liu, CM Wu, YJ Tseng - IEEE Transactions on Antennas …, 2011 - ieeexplore.ieee.org
The performance of a low-profile coplanar waveguide (CPW)-fed monopole antenna
comprising of a straight strip, a parasitic circular-hat patch, and a slotted CPW ground for …

Triple-frequency meandered monopole antenna with shorted parasitic strips for wireless application

WC Liu, M Ghavami, WC Chung - IET microwaves, antennas & propagation, 2009 - IET
The performance of a triple-frequency meandered-strip monopole antenna for wireless
application is presented. The proposed antenna comprises of a microstrip-fed monopole …

Characterization and performance evaluation of PIN diodes and scope of flexible polymer composites for wearable electronics

S Sharma, R Rishi, C Prakash… - … Journal of Polymer …, 2022 - Wiley Online Library
Different semiconductor materials have been used for the fabrication of PIN diodes such as
Si, Ge, GaAs, SiC‐3C, SiC‐4H, and InAs. These different semiconductor materials show …

Tunable dual-band antennas for 0.7–1.1-GHz and 1.7–2.3-GHz carrier aggregation systems

B Avser, GM Rebeiz - IEEE Transactions on Antennas and …, 2015 - ieeexplore.ieee.org
Single-and dual-feed, dual-frequency, low-profile antennas with independent tuning using
varactor diodes have been demonstrated. The dual-feed planar inverted F-antenna (PIFA) …

A tunable decoupling and matching concept for compact mobile terminal antennas

Y Chen, D Manteuffel - IEEE Transactions on Antennas and …, 2017 - ieeexplore.ieee.org
This paper presents a tunable decoupling and matching concept for compact multielement
mobile terminal antennas. Instead of optimizing the antenna structure itself to achieve this …

Tunable multiband handset antenna operating at VHF and UHF bands

L Liu, J Rigelsford, R Langley - IEEE Transactions on Antennas …, 2013 - ieeexplore.ieee.org
A compact multiband tunable PIFA system using a varactor as an active tuning component is
presented covering 88-2175 MHz. The antenna was designed to cover the mobile telephone …