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An Efficient FDTD Algorithm Based on the Equivalence Principle for Analyzing Onbody Antenna Performance

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5 Author(s)
Sani, A. ; Queen Mary Coll., Univ. of London, London ; Yan Zhao ; Yang Hao ; Alomainy, A.
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In this paper, on body antenna performance and its effect on the radio channel is analyzed. An efficient numerical technique based on the finite-difference time-domain technique and the equivalence principle is developed. The proposed technique begins with the problem decomposition by separately computing the wearable antennas and on body propagation involving the digital human phantom. The equivalence principle is used as an interface between the two computational domains. We apply this technique to analyze on body antenna and channel characteristics for three different planar body-worn antennas operating at the industrial-scientific-medical frequency band of 2.4 GHz. Simulated results are validated with measurement data with good agreement.

Published in:

Antennas and Propagation, IEEE Transactions on  (Volume:57 ,  Issue: 4 )

Date of Publication:

April 2009

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