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In this paper, a paper based negative indexed metamaterial is proposed for electromagnetic absorption reduction of portable wireless devices. The metamaterial structure has been designed and characterized using FIT technique based EM simulator CST Microwave studio. The main outcomes of the paper are EM absorption reduction by 14.23% and 15.3% at 0.9 GHz and 1.80 GHz, respectively using metamaterial...
In this article, two coplanar waveguide‐fed high gain multiband antennas with and without uniplanar copper strip‐based electromagnetic band gap (CS‐EBG) structure are proposed for portable wireless applications at 2.1, 2.4, 3.5, 5.2, 5.4, and 5.8 GHz. The initial multiband antenna is realized by patch‐ground shape modification and open‐ended rectangular slot insertion on the patch. The two layer uniplanar...
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