研究目的
To present a novel omnidirectional filtering antenna with great filtering characteristics, integrating a wideband bandpass filter and a disc type omnidirectional antenna using a co-design approach.
研究成果
The proposed omnidirectional filtering antenna demonstrates good frequency selectivity, high stopband suppression, and miniaturized size, making it suitable for mobile communication systems. The use of an elliptical ground improves performance, and the co-design approach ensures efficient integration of the filter and antenna.
研究不足
The study focuses on simulation results, and practical implementation challenges such as manufacturing tolerances and environmental effects are not discussed.
1：Experimental Design and Method Selection:
The study involves designing a wideband BPF with Butterworth functional response based on coupled-line structure and a disc type omnidirectional antenna, then integrating them using a co-design approach.
2：Sample Selection and Data Sources:
The filter and antenna are designed and simulated, with parameters optimized for performance.
3：List of Experimental Equipment and Materials:
The filter is printed on the dielectric substrate Rogers RO4003 with specific dimensions and properties.
4：Experimental Procedures and Operational Workflow:
The design process includes numerical analysis of the BPF, optimization of the antenna dimensions, and integration of the filter and antenna.
5：Data Analysis Methods:
Simulated S-parameters and radiation patterns are analyzed to evaluate the performance of the proposed antenna.
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