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2017-09-20
Novel Decoupling Technique for Enhancing the Mutual Coupling Between Printed Antennas
By
Progress In Electromagnetics Research M, Vol. 60, 121-129, 2017
Abstract
In this work, an E-shape Defected Ground Structure (DGS) is achieved to reduce the mutual coupling between two nearby microstrip antennas up to 47%(from 0.064 to 0.03). Both antennas radiate in the same frequency band of 10 GHz. The technique is based on a wall integrating periodic structure permitting the absorption of the electromagnetic field. By using this structure, it was possible to achieve a 20dB reduction in the insertion loss S21 between the two microstrip patch antennas with center-to-center distance of 0.37λ0 (λ0 is the free-space wavelength). The obtained coupling coefficient demonstrates that we have a good isolation between the two antennas. EM solver, simulating and measuring the reflection and transmission coefficients of the designed antenna arrays, achieves the reduction of the mutual coupling. The simulated results are verified by measuring the fabricated prototypes.
Citation
Otman Oulhaj, Naima Amar Touhami, Mohamed Aghoutane, Abdelmounaim Belbachir Kchairi, and Hanae Elftouh, "Novel Decoupling Technique for Enhancing the Mutual Coupling Between Printed Antennas," Progress In Electromagnetics Research M, Vol. 60, 121-129, 2017.
doi:10.2528/PIERM17072610
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