Abstract
A flexible, compact, dual-band, metamaterial, microstrip antenna backed with an Electromagnetic Band Gap (EBG) structure on four different flexible on body application substrates is presented for 2.4 GHz ISM (Industrial Scientific & Medical) and wireless BAN (Body Area Network) applications. A square unit cell with top center etching and slot at bottom center is made to form the EBG structure and further 3 × 3 array is designed with a radiating patch to enhance the antennas performance. The simulated model achieves good return loss of −39.14 dB at 8.497 GHz for Teflon and other three materials has return loss of −28.41 dB at 7.948 GHz, VSWR of 1.2 with an impedance bandwidth of 1 GHz (8.5–9.5 GHz) resonates at −10 dB return loss. The radiation pattern that was modelled radiates in yz plane is symmetrical in both upward and downward and it is unidirectional in xz plane. The simulated specific absorption rate values are 0.0559 W/kg under 1 g standard and falls below the limitation of USA and Europe standard, which makes the design more suitable for wearable application with reliability.
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