volume | PIER Journals

Abstract

This research paper presents a novel dual-band slot array cavity-backed metamaterial antenna designed using advanced substrate integrated waveguide (SIW) technology. The antenna is specifically optimized for operation in the Ka-band frequencies. The incorporation of slots in the proposed design yields substantial advantages, such as enhanced impedance matching, exceptional directivity, and the capability for dual-band operation. Furthermore, the designed antenna showcases a gain of 6.40 dBi at 27.42 GHz and 4.77 dBi at 28.70 GHz, which is a result of the innovative incorporation of metamaterials within the SIW cavity. This demonstrates the antenna's ability to provide efficient signal reception and transmission, particularly in the specified frequency bands. The antenna's capability to operate in dual bands and its exceptional performance have been confirmed through rigorous simulation and experimental validation. These results substantiate its reliability and suitability for demanding millimeter-wave applications. The compact design and exceptional performance metrics of the proposed antenna underscore its potential for seamless integration into contemporary wireless communication systems, thereby laying the groundwork for continued progress in SIW and metamaterial-based antenna technology.

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Ms. Astha Sharma

Dr. Reema Budhiraja