Bandwidth Enhanced MIMO antenna for LTE bands using Split Ring Resonators and Stubs
Main Article Content
In this work, an array of circular patch antenna loaded with a partial split ring and a pair of stubs each with same dimensions, on each of the antenna. Patch of the radius (r) = 7.5mm. The split ring is of the width 1.35mm. the split ring not only accounts for a newer operating band, but also tend to reduce the isolation and the stubs are tends to increase the bandwidth which results in change by 44.92% compared to array of antennas without split rings. The substrate dimensions are 55´30´0.8mm3 and the ground of 55´9mm2. The proposed antennas are simulated using high frequency structural simulator and the results compared with the circular patch antenna without split ring resonators. The results obtained clearly show that, bandwidth of circular micro strip antenna without split ring can be enhanced. The proposed antennas may find applications in LTE band 1, 2, 3, 4, 7, 9, 10, 11, 15, 16, 21, 22, 23, 24, 25, 30, 33, 34, 35, 37, 38, 39, 40, 41, 42, 43 GHz covering a broadband width of 2500MHz.
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