volume | PIER Journals

Abstract

In this paper, a miniaturized 4-port (4 × 4) multiple-input multiple-output (MIMO) antenna is presented in the Ku band with operating frequency range of 16.9 GHz to 17.9 GHz. The presented antenna incorporates Substrate Integrated Waveguide (SIW) Technology with each element of MIMO in Quarter Mode Substrate Integrated Waveguide (QMSIW). The radiating features of the antenna are incorporated by inserting periodic slots in the patches as well as defective ground plane (DGS) technology in lower ground. For achieving good impedance matching and isolation, DGS and SIW technologies are incorporated in the design. An isolation greater than 30 dB is achieved in the complete operating range (16.9 GHz-17.9 GHz). The MIMO antenna is realized physically in Rogers 5880 with dimensions of 36 × 36 mm². The MIMO antenna properties like Envelope Correlation Coefficient (ECC), Channel Capacity Loss (CCL), Total Effective Reflection Coefficient (TARC), Mean Effective Gain (MEG) and Diversity Gain (DG) are analysed to validate good agreement with the standard values.

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Dr. Rakhi Kumari

Dr. Shweta Srivastava