Abstract
This paper presents the design and measurement of a two-element MIMO antenna for UWB applications. Feeding for the MIMO antenna is employed using Asymmetric Coplanar Strip (ACS). The two elements are printed side-by-side on FR4 substrate, without having to use a decoupling structure between the two antennas. The edge-to-edge separation distance is 0.23λ 0 at 3 GHz. The proposed antenna operates in the UWB band from 3 GHz to 11.5 GHz, with a reflection coefficient below −10dB and insertion loss less than −15dB. The envelope correlation coefficient is under the allowed limits of MIMO systems. The proposed two-element MIMO antenna has been fabricated and measured. Measurement results agree with the simulation results, which verifies the use of the proposed antenna for UWB applications.
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