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This paper presents a simple and a compact MIMO antenna for Ultra Wideband applications. The proposed structure contains two circular ring shaped monopoles which is kept parallel to each other. The physical separation between the radiating elements is about 0.25λ and the mutual coupling obtained is about 20 dB throughout the band. Ground slots (GS) and extended ground plane (EGP) are the means utilized...
This paper presents a compact MIMO antenna with dual band operation. S11 < −9.5 dB is achieved over lower band of 2.576–3.728 GHz and upper band of 5.14–5.88 GHz which covers 2.572–2.62 GHz (3GPP), 2.6–2.69 and 3.3–3.7 GHz (4G Wi-Max) and 5.15–5.35, 5.725–5.875 GHz (WLAN) applications. Isolation techniques like ground slots and ground extension are used to achieve a S12 < −20 dB in both the...
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