Design of a Broadband All-Textile Slotted PIFA

Design of a Broadband All-Textile Slotted PIFA

A new broadband textile based PIFA antenna structure designed for wireless body area network (WBAN) applications is presented. The new topology can be directly integrated into clothing. The study starts by considering three different materials: flexible copper foil, and ShieldIt Super and pure coppe...

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Veröffentlicht in:IEEE transactions on antennas and propagation 2012-01, Vol.60 (1), p.379-384
Hauptverfasser: Soh, P. J., Vandenbosch, G. A. E., Soo Liam Ooi, Rais, N. H. M.
Format: Artikel
Sprache:eng
Schlagworte:
Antenna measurements
ANTENNAS
Applied sciences
Bandwidth
Broadband
Broadband antennas
conformal antennas
Copper
COPPER (PURE)
ELECTRICAL CONDUCTIVITY
Exact sciences and technology
Fabrication
Gain
Networks
Noise levels
planar inverted-f antennas (PIFA)
POLYESTERS
Radiocommunications
Telecommunications
Telecommunications and information theory
textile antennas
TEXTILES
Wireless communication
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Beschreibung
Zusammenfassung:A new broadband textile based PIFA antenna structure designed for wireless body area network (WBAN) applications is presented. The new topology can be directly integrated into clothing. The study starts by considering three different materials: flexible copper foil, and ShieldIt Super and pure copper polyester taffeta conductive textiles. Bandwidth broadening is successfully achieved by implementing a novel and simple slot in the radiating patch. The measured reflection coefficient and radiation characteristics agree well with simulations. Moreover, radiation characteristics and bandwidth show satisfactory immunity against detuning when operating on-body, especially when placed on the back. To our knowledge, the proposed structure is the first fully fabric based slotted PIFA to be reported in open literature with high bandwidth (more than 46%) and reasonable gain (ca. 1.5 dB), to be used for multiple applications in the frequency band of 1.8 to 3.0 GHz.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2011.2167950