Abstract
Design of wearable textile antenna in variety of applications needs novel approaches to achieve objectives of compactness and acceptable Specific Absorption Rate (SAR). Various methods to reduce SAR using various types of EBG structures have been reported in recent past for both single and dual band antenna. Modeling of antenna for dual band 2.4 GHz and 5.8 GHz is carried out for wireless local area network application. In this paper, authors propose compact dual band gap EBG structure. It consists of double concentric ring with slot along with inner patch. Important design performance parameters like reflection phase, reflection coefficient, etc are obtained by simulations. SAR values with this antenna integrated with EBG are computed in HFSS on human arm & male torso model. Simulations results show that proposed EBG array structure is effective for reduction of SAR values to acceptable values.
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