A 2.5 GHz Compact Wearable Microstrip Patch Antenna for off body Wireless Communication in WBANs

Sreelekshmi, S.; Sankar, S. Perumal

doi:10.1109/i-smac52330.2021.9641027

Cited by 1 publication

(1 citation statement)

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“…In [ 6 ], a rubber substrate was tested at 2.45 GHz. In [ 7 ], 1.6 mm thick Arlon Diclade 1000 was tested as a flexible substrate for a 2.45-GHz antenna, and in [ 8 ], a polymeric substrate was tested as a flexible option for the antenna body. In the higher frequency bands, a 0.3 mm thin polymeric substrate was tested in [ 9 ] for an antenna at 28 GHz, while in [ 10 ], a combination of FR4 and Pyralux was utilized at 60 GHz, where FR4 was used in the middle as a substrate, while a Pyralux layer was used on the top and the bottom for the patch and the ground plane, altogether making the overall substrate thickness more than 1.75 mm.…”

Section: Introductionmentioning

confidence: 99%

A Subtlety of Sizing the Inset Gap Width of a Microstrip Antenna When Built on an Ultra-Thin Substrate in the S-Band

Joler

Mihalić

2022

Sensors

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In this paper, Pyralux—a modern, ultra-thin, and acrylic-based laminate—was tested as a substrate of a microstrip antenna to examine the antenna characteristics when it is built on such a thin, flexible, and robust dielectric material, with the idea of eventually serving in wearable antennas in the context of smart-clothing applications. We particularly discuss the sensitivity of the design and fabrication of an inset-fed rectangular microstrip antenna (IRMA) in terms of its inset gap width when it is designed in the S-frequency band. The simulated and measured results showed a very small feasible range for the inset gap dimension with respect to the feed line width. Ultimately, an IRMA was successfully designed, fabricated, and tested with both SMA and U.FL connectors. The impedance bandwidth, in either case, was about 2%, the average value of directivity was 5.8 dB, and the realized efficiency was 2.67%, while the 3-dB beamwidths in the E-plane and the H-plane were 90∘ or wider.

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