Bandwidth Enhanced MIMO antenna for LTE bands using Split Ring Resonators and Stubs

Abstract

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 is designed to operate in the LTE band with wide bandwidth. The split ring not only accounts for a newer operating band, but also tend to reduce the isolation and the stubs tends to increase the bandwidth which results in change by 44.92 % compared to array of antennas without split rings. It has a compact substrate dimensions of 55 × 30 × 0.8 mm 3 and ground of 55 × 9 mm 2 . The proposed antenna is simulated using high frequency structural simulator (HFSS) and fabricated. The measured results are in compliance with the simulated results. The proposed antenna find applications in