Dual Band MIMO Antenna With Reduced Mutual Coupling

In this paper dual band multiple input multiple output antenna (MIMO) is presented. MIMO antenna consists of two concave shaped patches with partial ground printed on FR4 epoxy substrate with permittivity 4.4. It resonates at two frequency bands namely 2.92 GHz to 3.22 GHz and 5.11GHz to 5.26 GHz. Antenna achieved better than 20 dB isolation at the desired bands. Envelope coorelation coefficient(ECC) less than 0.0015 is achieved which is required for MIMO systems. Experimental results match well with simulation results.