A micro-scaled graphene-based tree-shaped wideband printed MIMO antenna for terahertz applications

A tree-shaped graphene-based microstrip multiple-input and multiple-output (MIMO) antenna for terahertz applications is proposed. The proposed MIMO antenna is designed on a 600 × 300 μm 2 polyimide substrate. The designed MIMO antenna provides a wide impedance bandwidth of 88.14% (0.276–0.711 THz) d...

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Bibliographic Details
Published in:Journal of computational electronics 2022-02, Vol.21 (1), p.289-303
Main Authors: Vasu Babu, K., Das, Sudipta, Varshney, Gaurav, Sree, Gorre Naga Jyothi, Madhav, Boddapati Taraka Phani
Format: Article
Language:English
Subjects:
Acceptable noise levels
Antennas
Bandwidths
Channel capacity
Chemical potential
Configuration management
Correlation coefficients
Current distribution
Design
Design parameters
Electrical Engineering
Engineering
Graphene
Mathematical and Computational Engineering
Mathematical and Computational Physics
Mechanical Engineering
Medical imaging
Microstrip antennas
MIMO communication
Optical and Electronic Materials
Parameter modification
Parametric analysis
Reflectance
Resonant frequencies
Structural design
Substrates
Terahertz frequencies
Theoretical
Video communication
Wireless communications
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Summary:A tree-shaped graphene-based microstrip multiple-input and multiple-output (MIMO) antenna for terahertz applications is proposed. The proposed MIMO antenna is designed on a 600 × 300 μm 2 polyimide substrate. The designed MIMO antenna provides a wide impedance bandwidth of 88.14% (0.276–0.711 THz) due to the suggested modifications in the antenna configuration. The MIMO design parameters like total active reflection coefficient (TARC), mean effective gain (MEG), envelope correlation coefficient (ECC) and diversity gain (DG), channel capacity loss (CCL) are evaluated, and their values are found within acceptable limits. The proposed MIMO structure offers MEG ≤ − 3.0 dB, TARC ≤ − 10.0 dB, DG ≈ 10 dB, CCL 
ISSN:1569-8025
1572-8137
DOI:10.1007/s10825-021-01831-3