This paper presents the design of a microstrip ultra-wide band rigid antenna that has a full ground plane acting as a reflector and operates from 1 GHz to 7.3 GHz. The antenna can be used for wearable applications such as on backpacks and helmets. The antenna structure includes a UWB radiator (microstrip patch) on top of a substrate, an optimized ground plane on the reverse side of the substrate, a vacuum and a full ground plane acting as a reflector. The overall size of the antenna is 100 mm × 75 mm ×25 mm <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">(0.33λ× 0.25λ× 0.083λ)</tex> . In comparison to other full ground plane UWB antennas, the proposed design uses a rigid substrate and operates from a lower frequency of 1 GHz. Additionally, the reflector makes the antenna operational in the vicinity of the human body with minimal body coupling and back radiation to ensure safety.
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Anthony et al. (2024) studied this question.
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