Tunable Handset Antenna: Enhancing Efficiency on TV White Spaces

Samantha Caporal Del Barrio, Ehsan Foroozanfard, Art Morris, Gert F. Pedersen

Research output: Contribution to journalJournal articleResearchpeer-review

19 Citations (Scopus)
307 Downloads (Pure)

Abstract

With the future LTE auction for TV white spaces
at 600 MHz, there is a strong need for efficient handset antennas
operating at very low frequencies. This paper shows a tunable
antenna covering the LTE bands from 600 MHz to 2.6 GHz.
The antenna uses state-of-the-art MEMS tunable capacitors in
order to reconfigure its operating frequency. In this work, the
design mitigates the tuning loss with a tunable extended ground
plane. The resulting dual-resonant antenna exhibits a peak total
efficiency of -3.9 dB at 600 MHz.
Original languageEnglish
JournalI E E E Transactions on Antennas and Propagation
Volume65
Issue number4
Pages (from-to)2106 - 2111
ISSN0018-926X
DOIs
Publication statusPublished - 2017

Keywords

  • Antenna efficiency
  • Reconfigurable antennas
  • Mobile antennas
  • Multifrequency antennas
  • Eigenvalues and eigenfunctions
  • Microelectromechanical devices

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