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A novel dual-bandand diverse radiation pattern antenna is proposed for power efficient on-bodyand off-body communications intended for various applications in healthcare andsport monitoring. The antenna is dual band at 2.45 GHz ISM band withomnidirectional radiation pattern over the body surface to communicate powerefficiently with other co-located body worn devices and at 1.9 GHz PCS band,it has directive radiation pattern towards off the body to communicate fromon-body device to off-body devices. The free space and on-body performances ofthe antenna are investigated by both simulation and experiment. The antennashows very good on-body radiation efficiency of 58% at 2.45 GHz and 61% at 1.9GHz. Good on-body gain is noticed at both frequency bands. Results show thatthe gain of the proposed antenna increases by 4.7% at 2.45 GHz and 3.2% at 1.9GHz when placed on the body.


Dual Band, Diverse Radiation Pattern, Power Efficient On-Body Communications, Power Efficient Off-Body Communications, Body-Centric Wireless Communications

Cite this paper

Khan, M. , Rahman, M. , Talha, M. and Mithila, T. 2014 Wearable Antenna for Power Efficient On-Body and Off-Body Communications. Journal of Electromagnetic Analysis and Applications, 6, 238-243. doi: 10.4236-jemaa.2014.69024.

Autor: Mohammad Monirujjaman Khan, Md. Azizur Rahman, Md. Abu Talha, Tarannum Mithila

Fuente: http://www.scirp.org/


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