Effect of Dielectric Properties of Human Hand Tissue on Mobile Terminal Antenna Performance

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Abstract

A good approach when designing antennas for
mobile terminals is to optimize them for operation in the vicinity
of the user body. The presence of a lossy human tissue in the
antenna’s near field has an adverse effect on the radiator’s
performance. The focus of this paper is on studying the change
in the antenna performance due to the change in the dielectric
properties of the human hand holding the mobile terminal. The
investigation is conducted by using an antenna array consisting
of two identical and symmetrical PIFA antennas covering the
frequency band from 5.8 GHz to 7.7 GHz. Several different
values of the complex permittivity are assigned to a human hand
phantom in the numerical simulations and it is found that the
variation of the complex relative permittivity within a large range
of values does not change largely the S-parameters and radiation
efficiency of the antenna.
Original languageEnglish
Title of host publication2020 14h European Conference on Antennas and Propagation (EuCAP)
Number of pages5
PublisherIEEE
Publication date8 Jul 2020
Article number9135910
ISBN (Print)978-1-7281-3712-4
ISBN (Electronic)978-88-31299-00-8
DOIs
Publication statusPublished - 8 Jul 2020
Event 14th European Conference on Antennas and Propagation - Copenhagen, Copenhagen, Denmark
Duration: 15 Mar 202020 Mar 2020
Conference number: 14
https://www.eucap2020.org/

Conference

Conference 14th European Conference on Antennas and Propagation
Number14
LocationCopenhagen
Country/TerritoryDenmark
CityCopenhagen
Period15/03/202020/03/2020
Internet address
SeriesPorceedings of the IEEE European Conference on Antennas and Propagation (EuCAP)

Keywords

  • Mobile terminal antenna
  • antenna performance
  • complex permittivity variation
  • user hand effect

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