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August 3, 2026International Journal of Electronics

A DGS-based hexagonal millimetre-wave antenna for 5 G applications using foam substrate

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Authors

KKKailash V. KaradSASantosh P. AgnihotriJRJaswantsing L. Rajput

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Overview

Randomized trial investigates a new hexagonal antenna's performance in 5G devices, suggesting significant improvements in safety and efficiency.

Key Points

  • The aim is to design a compact hexagonal microstrip antenna for 5G applications that optimizes performance and safety standards.
  • Designed a 4.5 mm × 5.5 mm hexagonal antenna for 28 GHz millimetre-wave applications.
  • Integrated an L-shaped slot and defected ground structure for enhanced bandwidth.
  • Conducted SAR analysis on a tissue-equivalent phantom to evaluate radiation safety.
  • Achieved a bandwidth from 26.96 to 29.07 GHz with a 7.5% fractional bandwidth.
  • Realized a peak gain of 6.8 dBi and a return loss of −36.39 dB.
  • Confirmed SAR levels well below IEEE safety limits for 1 g and 10 g tissues.

Cite This Study

Karad et al. (2026) studied this question.

synapsesocial.com/papers/6a70406d75942ff7265e56cahttps://doi.org/10.1080/00207217.2026.2711146
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