A novel folded UWB antenna for wireless body area network

Cheng Hung Kang*, Sung Jung Wu, Jenn-Hawn Tarng

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

67 Scopus citations

Abstract

A novel folded ultrawideband antenna forWireless Body Area Network (WBAN) is proposed, which can effectively reduce the backward radiation and proximity effects of human bodies. The proposed antenna has a low-profile 3D structure that consists of a bevel-edge feed structure and a metal plate with folded strip. The bevel edge feed structure achieves broadband impedance matching and the metal plate acts as the main radiator. Moreover, the folded strip not only extends the lower frequency band but also provides additional resonant frequency around 6 GHz. The final bandwidth covers from 3.1 GHz to 12 GHz. The proposed antenna shows the directional patterns with low backward radiation due to the patchlike structure and the ground plane also prevents from the proximity effects of human bodies. Furthermore, the simulated SAR values of the proposed antenna are lower than the values of omnidirectional disc planar monopole. These features demonstrate that the proposed antenna is suitable for WBAN application.

Original languageEnglish
Article number6059489
Pages (from-to)1139-1142
Number of pages4
JournalIEEE Transactions on Antennas and Propagation
Volume60
Issue number2 PART 2
DOIs
StatePublished - 1 Feb 2012

Keywords

  • 3-D antenna
  • Body-area network
  • Ultrawideband

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