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Multiband Antenna Based on Meta-Structured Transmission Line for RF Harvesting Application

Kwi Seob UM, Jae-Gon LEE, Jeong-Hae LEE

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Summary :

A penta-band antenna based on the mu-negative transmission line is presented for radio frequency (RF) energy harvesting application. The antenna utilizes five radiation modes; two quarter wavelength resonances, three quarter wavelength resonance, zeroth order resonance, and first order resonance. The parasitic radiating strip antenna generates quarter wavelength resonance radiation. The dual band antenna based on two unit cell mu-negative (MNG) transmission line gives birth to the zeroth order resonance (ZOR) mode and the first order resonance (FOR) mode. The parasitic radiating strip and dual band antenna based on two unit mu-negative (MNG) transmission line are magnetically coupled by a feed monopole with gap. This feed monopole, simultaneously, radiates at quarter and three quarter wavelength resonance frequency to cover the other bands. The multi-mode coupling mechanism of this penta-band antenna is well modeled by our derived equivalent circuit. The measured radiation efficiencies are more than 87% over the entire penta-band.

Publication
IEICE TRANSACTIONS on Communications Vol.E101-B No.7 pp.1701-1707
Publication Date
2018/07/01
Publicized
2017/12/25
Online ISSN
1745-1345
DOI
10.1587/transcom.2017EBP3346
Type of Manuscript
PAPER
Category
Antennas and Propagation

Authors

Kwi Seob UM
  Hongik University
Jae-Gon LEE
  Hongik University
Jeong-Hae LEE
  Hongik University

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