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International Journal of Antennas and Propagation
Volume 2016, Article ID 7439403, 9 pages
Research Article

On-Body Characterization of Planar Differential Antennas for Multiple, Wide, and Narrow Bands

1Department of Information Technology, Ghent University-iMinds, Technologiepark Zwijnaarde 15, 9052 Gent, Belgium
2Tyndall National Institute, Lee Maltings, Dyke Parade, Cork T12 R5CP, Ireland
3DISMI, University of Modena and Reggio Emilia, Via Amendola 2, 42122 Reggio Emilia, Italy
4School of Engineering, University College Cork, College Road, Cork T12 RXA9, Ireland

Received 2 February 2016; Revised 2 June 2016; Accepted 26 June 2016

Academic Editor: Antonio Faraone

Copyright © 2016 Luigi Vallozzi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper reports the results of the on-body experimental tests of a set of four planar differential antennas, originated by design variations of radiating elements with the same shape and characterized by the potential for covering wide and narrow bands. All the antenna designs have been implemented on low-cost FR4 substrate and characterized experimentally through on-body measurements. The results show the impact of the proximity to the human body on antenna performance and the opportunities in terms of potential coverage of wide and narrow bands for future ad hoc designs and implementations through wearable substrates targeting on-body and off-body communication and sensing applications.