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Dual band- dual polarized planar inverted F-antenna for MBAN applications

Published online by Cambridge University Press:  11 September 2018

Shankar Bhattacharjee ,
Manas Midya ,
Monojit Mitra  and
S.R. Bhadra Chaudhuri
Shankar Bhattacharjee*
Affiliation:
Department of Electronics & Telecommunication Engineering, IIEST Shibpur, Howrah- 711103, India
Manas Midya
Affiliation:
Department of Electronics & Telecommunication Engineering, IIEST Shibpur, Howrah- 711103, India
Monojit Mitra
Affiliation:
Department of Electronics & Telecommunication Engineering, IIEST Shibpur, Howrah- 711103, India
S.R. Bhadra Chaudhuri
Affiliation:
Department of Electronics & Telecommunication Engineering, IIEST Shibpur, Howrah- 711103, India
*
Author for correspondence: Shankar Bhattacharjee, E-mail: [email protected];
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Abstract

A planar inverted F-Antenna with the dual band-dual polarization property is presented for medical body area networks applications. The designed antenna covers the 2.45 GHz industrial, scientific and medical, 4 G long term evolution (2.5–2.69 GHz) bands for ON body communication and Wi-Fi and WLAN (3.5–3.6 GHz) bands for OFF body communication. At the lower band, an equivalent offset fed magnetic microstrip type dipole has been utilized that generate field parallel to the surface of the body for supporting ON body communication. The broadside radiation pattern has been realized using the slotted patch counterpart for supporting OFF body communication. This technique has resulted in a design of dual band dual mode property using a single radiator. The footprint of the antenna is only 0.35λg × 0.17λg × 0.08λg. Owing to its compactness, lightweight, and easy mountable property (due to foam substrate), the proposed antenna is found to be robust for MBAN applications. The maximum permissible transmitted power for the 1st band is 25.78 and 20.3 dBm for the 2nd one to maintain standard specific absorption rate limitations of 1.6 W/Kg. Experimental investigations over human body showed minimal deviations from the free space conditions which makes it a potential candidate for body-centric communications.

Keywords

Antenna designbiomedical applicationsmodeling and measurements
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 11 , Issue 1 , February 2019 , pp. 76 - 86
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2018 

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