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This paper presents a compact planar ultra-wideband (UWB) microstrip antenna for microwave medical applications. The proposed antenna has a low profile structure, consisting of a modified radiating patch with stair steps and open slots, microstrip feed line, and T-like shape slots at the ground plane. The optimized antenna is capable of being operated in frequency range of 3.06–11.4 GHz band having...
A very simple multiband multiple-input multiple-output (MIMO) antenna system is developed. The proposed antenna system consists of two alphabetic letter shaped elements: one is C-shaped and another is inverted L-shaped — all together can combinedly operate the wideband frequency range of LTE-1, 2, 3, 7, 12, 13, 14, 22, 40, 43 and WLAN bands. The C-shaped antenna element excites lower order resonance...
A very simple multiband monopole antenna system is designed and developed. The proposed antenna system comprises of two alphabetic letter shaped elements: one is C-shaped and another is inverted L-shaped — all together can combinedly operate the wideband frequency range of LTE-1,2,3,7,13,14,22, 40, 43 and WLAN bands. The C-shaped is responsible for leading the lower bands and L-shaped for higher bands...
A compact planar multiband four-unit multiple-input multiple-output (MIMO) antenna system with high isolation is developed. At VSWR ≤ 2.75, the proposed MIMO antenna operates in the frequency range of LTE Band-1, 2, 3, 7, 40 and WLAN 2.4 GHz band. A T-strip and dumbbell shaped slots are studied to mitigate mutual coupling effects. The measured worst case isolation is better that 15.3 dB and envelope...
A compact planar multiband MIMO antenna system is developed. The MIMO antenna consists of two symmetric antenna elements, each of which comprises three effective radiators: a driven monopole, a meandered S- and F-shaped strip and all are printed on the front side of a thin low-cost substrate. At VSWR ≤ 2.75, the proposed MIMO antenna operates in the frequency range of LTE-1, LTE-2, LTE-3, LTE-7, LTE-40,...
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