Two Port Array based Circular Polarized Dielectric Resonator Antenna for mm-wave IOT Application: A Study
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Abstract
The growing demand for high-data-rate, low-latency, and energy-efficient wireless communication has accelerated research in millimeter-wave (mm-wave) antennas for Internet of Things (IoT) applications. Dielectric resonator antennas (DRAs) have emerged as a promising candidate due to their low loss, compact structure, and high radiation efficiency at higher frequencies. In this study, a two-port array-based circularly polarized dielectric resonator antenna (CP-DRA) is proposed for mm-wave IoT applications. The design achieves circular polarization through orthogonal mode excitation and precise feed alignment. The two-port array configuration improves bandwidth, gain, and polarization purity, making it suitable for massive device connectivity in IoT systems. The simulated results demonstrate wide impedance bandwidth, enhanced axial ratio bandwidth, and stable radiation patterns, confirming its potential for mm-wave IoT networks.
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