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- Title
Golden angle‐inspired design of massive MIMO tapered slot array with less correlation for 5G lower band applications.
- Authors
Gudibandi, Bharath Reddy; Harish Adhithya, M.; Sriram Kumar, D.
- Abstract
In this article, for the first time, we come up with a nature‐inspired MIMO antenna configuration that could provide less correlated wireless channels for 5G lower band (3000‐4200 MHz). Essentially, the cross‐correlation among the antenna elements is reduced by incorporating the concept of golden angle into a cylindrical configuration of tapered slot antenna array. The golden angle helps in arranging the end‐fire radiating tapered slot antennas (TSAs) in such a way that there will not be any spatial overlap among the radiation fields of the individual antenna elements. The idea is validated with 24 TSA elements placed in a cylindrical fashion. The envelope correlation coefficient (ECC) is calculated from the simulations in ANSYS HFSS and verified with measurements. The ECC value is found to be less than 0.01 in the range of 3 GHz to 4.25 GHz. The impedance matching and mutual coupling between the elements are found to be very good in the above‐mentioned frequency range from the simulations and measurements. It is believed that the application of golden angle concept to MIMO antennas would open up the windows for implementation of dense massive MIMO.
- Subjects
SLOT antenna arrays; SLOT antennas; CROSS correlation; WIRELESS channels; IMPEDANCE matching
- Publication
International Journal of RF & Microwave Computer-Aided Engineering, 2019, Vol 29, Issue 10, pN.PAG
- ISSN
1096-4290
- Publication type
Article
- DOI
10.1002/mmce.21872