Abstract
A wideband MIMO antenna in an orthogonal configuration with four antenna elements is proposed. The antenna is designed to address the millimeter-wave applications at 60 GHz covering the ISM band of 61–61.5 GHz. The dimensions of the patch are taken to be 1738 x 1363 μm (W x L in (μm)) etched on a dielectric substrate of Rogers RT/duroid 5880 (tm) with a dielectric constant value of “2.2” and loss tangent value of “0.0009.” The antenna is backed by an artificial magnetic conductor (AMC) with Arlon DiClad 880 (tm) as the AMC substrate. The proposed MIMO antenna achieved an impedance bandwidth of 5.5 GHz (57–62.5 GHz). Important MIMO parameters such as envelope correlation coefficient (ECC), total active reflection coefficient (TARC), diversity gain (DG), and mean effective gain (MEG) are also studied and are found to be well within the standards with ECC < 0.5, MEG < 3 dB, and TARC < −10 dB. The specific absorption rate (SAR) is also presented using a six-layer homogeneous human head model.
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Raviteja, G.V. (2022). A Quad-Port Orthogonal Wideband MIMO Antenna Employing Artificial Magnetic Conductor for 60 GHz Millimeter-Wave Applications. In: Malik, P.K., Lu, J., Madhav, B.T.P., Kalkhambkar, G., Amit, S. (eds) Smart Antennas. EAI/Springer Innovations in Communication and Computing. Springer, Cham. https://doi.org/10.1007/978-3-030-76636-8_14
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