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2019-03-27
Analysis of Multi-Band Circle MIMO Antenna Design for C-Band Applications
By
Progress In Electromagnetics Research C, Vol. 91, 185-196, 2019
Abstract
In this paper a novel design to reduce mutual coupling in circular patch antennas is proposed. A circular MIMO antenna with a dumb-bell shape parasitic element is inserted between the two circular patch antennas thereby reducing the mutual coupling. It has been observed that the proposed design produces a multi-band characteristics at 3.1 GHz, 6.2 GHz & 7.7 GHz. At the tri-band frequencies impedance bandwidths (IBW's) are around 90 MHz, 320 MHz, and 540 MHz. The process involves cutting rectangular slits on each side of a circular patch and placing a dumb-bell shaped parasitic structure to reduce the transmission coefficient (S12) to -40.75 dB. It is observed that the antenna parameters are greatly improved in terms of ECC, diversity gain, directivity, group delay and peak gain which are 0.005, 9.973 dBi, 6.14 dBi, 10.81±1 nsec and 3.59 dBi. The results of experimental validation and numerical analysis are presented. The antenna design can be used for wireless communication as well as all C-band applications.
Citation
Kommana Vasu Babu Bhuma Anuradha , "Analysis of Multi-Band Circle MIMO Antenna Design for C-Band Applications," Progress In Electromagnetics Research C, Vol. 91, 185-196, 2019.
doi:10.2528/PIERC18121103
http://www.jpier.org/PIERC/pier.php?paper=18121103
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