Textile multilayer cavity slot monopole for UHF applications
Date
2017
Authors
Pinapati, S.P.
Ranasinghe, D.C.
Fumeaux, C.
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Journal article
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IEEE Antennas and Wireless Propagation Letters, 2017; 16:2542-2545
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Sree Pramod Pinapati, Damith Chinthana Ranasinghe, Christophe Fumeaux
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Abstract
A low-profile multilayer textile antenna inspired by a folded cavity with a broad slot monopole is presented for wearable applications in the UHF band. The proposed geometry has total dimensions of 0.34λ 0 × 0.22λ 0 × 0.0149λ 0 at a targeted resonance frequency of 923 MHz and achieves a fractional bandwidth of 3.0% on-body. The antenna is fed by a flexible shielded stripline to enhance wearability, and a substantial overall size reduction is achieved through a combination of miniaturization techniques amenable for textile implementation. A systematic design procedure along with a simple fabrication process including the use of computerized embroidery is a salient feature of the proposed geometry. Good agreement between simulation and measurement results in various conditions validates the proposed structure.
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© 2017 IEEE.