Enhanced gain planar inverted-F antenna with metamaterial superstrate for UMTS applications

Hussein Attia*, Mohammed M. Bait-Suwailam, O. M. Ramahi

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Abstract

Planar inverted-F antennas (PIFA) are widely used in wireless hand-held devices due to their small-size, moderate bandwidth and radiation patterns. However, the radiation patterns of such antennas degrade when placed very close to a conductive finite ground plane. In this paper, an engineered magnetic superstrate is introduced to enhance the gain of PIFA antennas. The engineered magnetic superstrate is based on the broad-side coupled split ring resonator (SRR) inclusions which have high real permeability value at the resonance frequency of the antenna. Numerical full-wave simulations are performed to analyze the entire radiating system (antenna with superstrate). By using the magnetic superstrate, a 3.2 dB improvement in the gain of the PIFA antenna working in the UMTS band was achieved. The total height of the proposed superstrate over the antenna is only λ0/14 where λ0 is the free-space wavelength at antenna's resonance frequency. Thus, the antenna structure remains low profile, and is advantageous in cell-phone applications.

Original languageEnglish
Title of host publicationPIERS 2010 Cambridge - Progress in Electromagnetics Research Symposium, Proceedings
Pages494-497
Number of pages4
Publication statusPublished - 2010
EventProgress in Electromagnetics Research Symposium, PIERS 2010 Cambridge - Cambridge, MA, United States
Duration: Jul 5 2010Jul 8 2010

Other

OtherProgress in Electromagnetics Research Symposium, PIERS 2010 Cambridge
CountryUnited States
CityCambridge, MA
Period7/5/107/8/10

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

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