Wearable Flexible Reconfigurable Antenna Integrated With Artificial Magnetic Conductor

Constantine A. Balanis, Constantine Balanis, Craig R. Birtcher, Ahmet C. Durgun, Hussein N. Shaman

Research output: Contribution to journalArticle

43 Scopus citations

Abstract

This paper presents a wearable flexible reconfigurable folded slot antenna. The antenna is composed of a folded slot and a stub where the reconfigurability is achieved by turning a PIN diode ON and OFF, which alters the radiation characteristics of the stub. The operating frequency and polarization of the slot and stub are different. Hence, a polarization dependent dual-band Artificial Magnetic Conductor (AMC) surface is integrated with the antenna to improve its radiation performance and to reduce the Specific Absorption Rate (SAR). The antenna is designed and fabricated on a flexible substrate, and its performance is measured for both flat and curved configurations. The measurements show an excellent agreement with the simulations. To examine its performance as a wearable antenna, it is measured on a human body. Simulations show that the SAR level is reduced when the AMC surface is used as an isolator. The proposed wearable antenna structure can be used for Wireless Body Area Network (WBAN) and Worldwide Interoperability for Microwave Access (WiMAX) body-worn wireless devices.

Original languageEnglish (US)
JournalIEEE Antennas and Wireless Propagation Letters
DOIs
StateAccepted/In press - Jun 27 2017

Keywords

  • and folded slot antennas
  • Antenna measurements
  • artificial magnetic conductor
  • Body area networks
  • flexible antennas
  • PIN photodiodes
  • reconfigurable antennas
  • Slot antennas
  • Surface impedance
  • Wearable antennas
  • Wireless communication

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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