Large dielectric resonator antenna ESPAR for massive MIMO systems

A large array of dielectric resonator antenna (DRA) based on Electrically-Steerable Parasitic Array Radiator (ESPAR) concept is presented for massive MIMO application. The proposed array consists of 18 sub-arrays while each subarray has three single units. Each single antenna units consist of four driven DRA, coupled to the parasitic DRAs in their E- and H-Planes. All the antenna elements placed in an interleaved arrangement which surpass the grating lobes with better scanning capabilities in all azimuthal directions. With the beam scanning capability feature of each sub-array, the proposed array can be a good candidate for massive MIMO and mm-wave application.

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