Design of a flexible diversity zeroth-order resonance antenna for WBAN applications

Soonyong Lee, Yeonsik Yu, Kyeol Kwon, Koichi Ito, Jaehoon Choi

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

A flexible diversity antenna using zeroth-order resonance (ZOR) for WBAN applications is proposed to improve performance and overcome multipath fading. The dimension of the proposed diversity antenna, including the system ground, two antenna elements, and the decoupling network is 44mm × 35 mm × 0.127mm. When the antenna is located on a semi-solid flat phantom with equivalent electrical properties of a human body, the S 11 and S 22 values of the proposed antenna at 2.45 GHz are -22.8 dB and -25.4 dB, respectively. The measured specific absorption ratio (SAR) values of the antenna elements #1 and #2 are 0.54W/kg and 0.75 W/kg (1g tissue) and mean powers delivered from the two ports are almost identical since the proposed antenna has a measured ECC of 0.021MEG ratio of 0.33dB at 2.45GHz.

Original languageEnglish
Pages (from-to)758-764
Number of pages7
JournalIEICE Electronics Express
Volume9
Issue number8
DOIs
StatePublished - 2012 Aug 2

Keywords

  • Diversity
  • Flexibility
  • On-body antenna
  • WBAN
  • ZOR

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