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MEKALA HARINATH REDDY1,* , D. SHEELA2,*
- School of Engineering, Department of ECE, University of Leicester, United Kingdom
- Saveetha School of Engineering, Saveetha University, Chennai, India
In an antenna array the far field radiation pattern is affected by the mutual coupling between the array elements. This paper presents a solution to reduce the mutual coupling between two element patch antenna array by incorporating Complementary Split Ring Resonator (CSRR) metamaterial structure on the ground plane. The proposed antenna is designed consisting of two hexagonal patch elements with CSRR structure. By incorporating the CSRR structure mutual coupling has been reduced from -10dB to -24 dB. The two-element patch antenna array is fabricated and S parameters of the prototype are measured and compared with the simulation results. The measured and simulation results are in good agreement with S11<-10dB, S12<-24 dB..
Array, CSRR, Mutual coupling, Radiation pattern, S parameters.
Submitted at: April 12, 2019
Accepted at: Feb. 15, 2021
MEKALA HARINATH REDDY, D. SHEELA, Mutual coupling reduction in a two element patch antenna array using complementary split ring resonator metamaterial structure, Journal of Optoelectronics and Advanced Materials Vol. 23, Iss. 1-2, pp. 6-13 (2021)
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