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A two-element planar UWB-MIMO monopole antenna is proposed utilising complimentary split ring resonator (CSRR) slot to obtain high isolation and notch at 5.5 GHz. The UWB-MIMO system comprises of two identical monopole antennas designed to achieve miniaturized size of 18 x 30 mm2. A T-shaped parasitic stub is employed to attain superior isolation among the antenna elements. CSRR slot is etched to achieve notch in WLAN range at 5.5GHz and additionally to improve impedance matching a rectangular slot was inducted on the radiators. The projected design hovers over the range 3.3GHz-14.64 GHz and attained high isolation of ≤-20 dB for 3.3 GHz-12.4 GHz and-16dB for rest of the band. The antenna system is simulated and fabricated to analyze the performance in terms of reflection coefficient and radiation pattern. The outcome testifies that the proposed design is a vastly miniaturized structure with all the capabilities of being a appropriate candidate for UWB-MIMO systems.

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