研究目的
To propose a coplanar-fed circularly polarized curl antenna for MIMO applications, focusing on achieving high isolation between antenna elements and simplifying the fabrication process.
研究成果
The proposed coplanar-fed circularly polarized curl antenna achieves high isolation between elements and simplifies the fabrication process. The design guideline provided allows for achieving mutual coupling suppression effectively, with isolation levels exceeding 22 dB within the axial ratio bandwidth.
研究不足
The study is limited to the specific design of a coplanar-fed curl antenna for MIMO applications, and the results may vary with different antenna configurations or materials.
1：Experimental Design and Method Selection:
The study involves designing a coplanar-fed curl antenna with a metal strip and an inner conductor of a coaxial line for impedance matching. The radiation element is etched on a Rogers4003C substrate.
2：Sample Selection and Data Sources:
The antenna design is simulated and then fabricated for measurement to validate the simulation results.
3：List of Experimental Equipment and Materials:
Rogers4003C substrate, metal strip, coaxial line, and SMA connectors are used.
4：Experimental Procedures and Operational Workflow:
The antenna's performance is evaluated through simulation and measurement, focusing on input impedance matching, axial ratio, and mutual coupling.
5：Data Analysis Methods:
The performance is analyzed based on simulation and measurement results, including S-parameters and radiation patterns.
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