Journal
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
Volume 59, Issue 4, Pages 1123-1131Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2011.2109361
Keywords
Body-area network (BAN); body-centric wireless communications; compact antenna; printed antenna; ultrawideband (UWB) antenna
Funding
- Agence Nationale de la Recherche (ANR), France [ANR-09-VERS-003, ANR-09-RPDOC-003-01]
- Centre National de la Recherche Scientifique (CNRS), France
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A new compact planar ultrawideband (UWB) antenna designed for on-body communications is presented. The antenna is characterized in free space, on a homogeneous phantom modeling a human arm, and on a realistic high-resolution whole-body voxel model. In all configurations it demonstrates very satisfactory features for on-body propagation. The results are presented in terms of return loss, radiation pattern, efficiency, and E-field distribution. The antenna shows very good performance within the 3-11.2 GHz range, and therefore it might be used successfully for the 3.1-10.6 GHz IR-UWB systems. The simulation results for the return loss and radiation patterns are in good agreement with measurements. Finally, a time-domain analysis over the whole-body voxel model is performed for impulse radio applications, and transmission scenarios with several antennas placed on the body are analyzed and compared.
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