Abstract
Abstract In this era, users need very high data rate with more and more compact designs of antennas and devices. Previous technologies failed to satisfy these exponentially growing demands. Use of arrays with MIMO systems provides high gain with compact designs at higher frequencies. 5G antennas need substrates with low loss tangent, so that losses should be as minimum as possible at higher frequency. Such concept is used in designing of the proposed MIMO-antenna array for 5G communication. In this design, 2 x 8 MIMO-antenna array is proposed with Rogers RT Duroid 5880 substrate. The substrate’s dimension is 23.61 x 55.18 mm2 for 2:1 VSWR. The frequency band achieved is 27.49 – 29.42 GHz. In each patch, inset-feed is used for impedance matching and is connected with 100 Ω microstrip line. At 28.0 GHz resonant frequency, gain is 11.33 dBi and radiation efficiency is 88.58%. The obtained value of ECC is in the range of 10-3. The design is suitable for Gaussian indoor and outdoor environments.
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