研究目的
Investigating the implementation of a novel reconfigurable antenna based on half-mode substrate integrated waveguide for 5G wireless systems.
研究成果
The proposed reconfigurable antenna offers configurability, compactness, and high gain, making it suitable for 5G wireless systems. It provides 3D electronic scanning in real time at a fixed frequency, achieved by introducing sets of switches in the structure.
研究不足
The small dimensions of the cells cause an increment of loss and reduction of radiation efficiency. The implementation is not useful in cases where beam squint due to frequency sweep is not desirable.
1：Experimental Design and Method Selection:
The design is based on three layers of Rogers RT/Duroid 5880 substrate with 0.5 Oz copper cladding. A tapered via fence and tapered microstrip feed lines are used to improve impedance matching. Varactors are chosen as switches for electronic scanning.
2：5 Oz copper cladding. A tapered via fence and tapered microstrip feed lines are used to improve impedance matching. Varactors are chosen as switches for electronic scanning.
Sample Selection and Data Sources:
2. Sample Selection and Data Sources: The operating frequency band was selected to be 28.5 GHz, among the allocated 5G frequency bands.
3：5 GHz, among the allocated 5G frequency bands.
List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: Rogers RT/Duroid 5880 substrate, 2.4 mm connectors, varactors.
4：4 mm connectors, varactors.
Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: Full-wave simulations were carried out using Ansys HFSS 19.2 to analyze S-parameters and radiation patterns for different switching states.
5：2 to analyze S-parameters and radiation patterns for different switching states.
Data Analysis Methods:
5. Data Analysis Methods: Analysis of S-parameters, realized gain, and main-lobe angle in E- and H-planes for different switching states.
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