Design and development of planar antenna array for mimo application

Abstract

Multi-Input Multi-Output (MIMO) is the need for recent communication system for the enhancement of channel capacity. While the number of antenna array elements increased, the spacing between the array elements and size of the antenna reduced. Hence high coupling between the elements occur, and thus the channel capacity reduced. There were several existing methods employs, however there were some limitations like reduced gain, dielectric constant, and bandwidth. So as to overcome this and to increase the performance characteristics such as bandwidth, gain of MIMO antennas and to lessen the dielectric constant of substrate material this proposed scheme is introduced. Using these considerations and requirements, an array of two-element MIMO system will be designed and developed with a less dielectric material (\( \varvec{\varepsilon}_{{\varvec{r }}} < 4 \)). So in this Taconic RF-35 (dielectric constant is 3.5), Two T-Shaped antennas are employed for 2.45 GHz (ISM band) with multiple modes of operation to achieve the improved bandwidth of about − 10 db. Simulation is done by HFSS 13.0.

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Correspondence to T. Prabhu.

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Prabhu, T., Pandian, S.C. Design and development of planar antenna array for mimo application. Wireless Netw 27, 939–946 (2021). https://doi.org/10.1007/s11276-020-02253-y

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Keywords

  • Multi-Input Multi-Output
  • Two T-shaped antennas
  • Taconic RF-35
  • ISM band
  • Dielectric constant