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A Dual-Mode Single-Band Wearable Microstrip Antenna for Body Area Networks

Mendes, C. ; Peixeiro, C.

IEEE Antennas and Wireless Propagation Letters Vol. 16, Nº 1, pp. 3055 - 3058, December, 2017.

ISSN (print): 1536-1225
ISSN (online):

Scimago Journal Ranking: 1,05 (in 2017)

Digital Object Identifier: 10.1109/LAWP.2017.2760142

Design, fabrication and test of a novel single-band
wearable antenna with dual-mode operation (on-body and
off-body) for Body Area Network’s applications in the 2.45 GHz
Industrial Scientific and Medical band is presented. The on-body
mode is achieved with a microstrip ring while the off-body mode
is obtained with a compact meandered microstrip patch placed
inside the ring. The two antennas are fed separately but share a
common ground plane and use only fabric materials facilitating
the integration into the user’s clothes. The antenna operation is
characterized when placed on a phantom mimicking a human
torso. Input match, mutual coupling, radiation pattern, radiation
efficiency and path loss measurements are presented and show
good agreement with simulations.