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In this paper presents the design, simulation, and analysis of a coupling Antenna with rectangular Dielectric Resonator (RDRA) operating at 5.5 GHz, for wireless communication systems. The RDRA constructed from low-loss AL2_O3 ceramic material. The antenna Excitation is achieved through a slot (10 (L) × 1 (W) mm2) cut into the ground plane, which is situated in between the dielectric resonator and a Rogers RT/duroid 5880 substrate using a dimension of 0.4 (H) × 50 (L) × 50 (W) mm3. A standard 50-Ω microstrip feed line is employed for signal excitation. An extensive parametric analysis was performed to refine the dimensions of the substrate and patch, focusing on factors such as patch Length, Width, height and slot dimensions to maximize coupling efficiency. The simulation results obtained using HFSS software show an outstanding performance metrics, including return loss of -45.3131 dB, gain of 6.2 dBi, and impedance of 50.2852 Ω. Additionally, the gain versus frequency and radiation patterns for H-plane as well as E-plane are plotted and analyzed. The Results show how well the design worked to achieve excellent performance along with good impedance matching and strong coupling, making it suitable for advancing next-generation wireless communication Systems.

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Design and Simulation of Rectangular Dielectric Resonator Antenna with Aperture Coupling for 5.5 GHz Wireless Communication Systems

  • 会议论文

  • 发表日期：

    2026年

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  • K. Nandhakumar,
  • R. Thandaiah Prabu,
  • G. Anitha

摘要

In this paper presents the design, simulation, and analysis of a coupling Antenna with rectangular Dielectric Resonator (RDRA) operating at 5.5 GHz, for wireless communication systems. The RDRA constructed from low-loss AL2_O3 ceramic material. The antenna Excitation is achieved through a slot (10 (L) × 1 (W) mm2) cut into the ground plane, which is situated in between the dielectric resonator and a Rogers RT/duroid 5880 substrate using a dimension of 0.4 (H) × 50 (L) × 50 (W) mm3. A standard 50-Ω microstrip feed line is employed for signal excitation. An extensive parametric analysis was performed to refine the dimensions of the substrate and patch, focusing on factors such as patch Length, Width, height and slot dimensions to maximize coupling efficiency. The simulation results obtained using HFSS software show an outstanding performance metrics, including return loss of -45.3131 dB, gain of 6.2 dBi, and impedance of 50.2852 Ω. Additionally, the gain versus frequency and radiation patterns for H-plane as well as E-plane are plotted and analyzed. The Results show how well the design worked to achieve excellent performance along with good impedance matching and strong coupling, making it suitable for advancing next-generation wireless communication Systems.