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Study on antenna mutual coupling suppression using integrated metasurface isolator for SAR and MIMO applications
Alibakhshikenari, M. Virdee, B.S. See, C.H. Falcone, F. Andujar, A. Anguera, J. Limiti, E.
Alibakhshikenari, M.
Virdee, B.S.
See, C.H.
Falcone, F.
Andujar, A.
Anguera, J.
Limiti, E.
Publication Date
2018-09-27
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© 2018 IEEE. Reproduced in accordance with the publisher's self-archiving policy.
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2018
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Abstract
A metasurface based decoupling structure that is composed of a square-wave slot pattern with exaggerated corners that is implemented on a rectangular microstrip provides high-isolation between adjacent patch antennas for Synthetic Aperture Radar (SAR) and Multi-Input-Multi-Output (MIMO) systems. The proposed 1×2 symmetric array antenna integrated with the proposed decoupling isolation structure is designed to operate at ISM bands of X, Ku, K, and Ka. With the proposed mutual coupling suppression technique (i) the average isolation in the respective ISM bands listed above is 7 dB, 10 dB, 5 dB, and 10 dB; and (ii) edge-to-edge gap between adjacent radiation elements is reduced to 10 mm (0.28λ). The average antenna gain improvement with the metasurface isolator is 2 dBi.
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Accepted manuscript
Citation
Alibakhshikenari M, Virdee BS, See CH et al (2018) Study on antenna mutual coupling suppression using integrated metasurface isolator for SAR and MIMO applications. In: 48th European Microwave Conference (EuMC). 23-27 Sep 2018, Madrid, Spain.
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Conference paper