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Dadgarpour, Abdolmehdi, Zarghooni, Behnam, Virdee, Bal Singh, Denidni, Tayeb A. and Kishk, Ahmed A. (2016) Mutual coupling reduction in dielectric resonator antennas using metasurface shield for 60 GHz MIMO systems. IEEE Antennas and Wireless Propagation Letters, 16. pp. 477-480. ISSN 1536-1225
An effective technique for reducing the mutual coupling between two Dielectric Resonator Antennas (DRA) operating at 60 GHz bands is presented. This is achieved by incorporating a metasurface between the two DRAs, which are arranged in the H-plane. The metasurface comprises an array of unique split-ring resonator (SRR) cells that are integrated along the E-plane. The SRR configuration is designed to provide band-stop functionality within the antenna bandwidth. By loading the DRA with 1×7 array of SRR unit cells, a 28 dB reduction in the mutual coupling level is achieved without compromising the antenna performance. The measured isolation of the prototype antenna varies from -30 to -46.5 dB over 59.3–64.8 GHz. The corresponding reflection coefficient of the DRA is better than -10 dB over 56.6–64.8 GHz.
Available under License Creative Commons Attribution Non-commercial No Derivatives.
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