研究目的
To design and implement a novel compact and broadband electronically controllable substrate integrated waveguide (SIW) phase shifter for beamsteering applications in antenna arrays for 5G wireless communication.
研究成果
The proposed SIW phase shifter is compact, broadband, and easy to fabricate and integrate with other planar circuits. Measurement results from fabricated prototypes show good agreement with simulation results, confirming its suitability for beamforming and beam steering modules in phased array antennas for 5G communication.
研究不足
The complexity of fabrication at millimeter-wave frequencies and the need for precise positioning of metal posts to achieve desired phase shifts without significantly increasing insertion loss.
1：Experimental Design and Method Selection:
The phase shifter is designed using a simple single layer SIW structure with reconfigurable metal posts switched by PIN diodes.
2：Sample Selection and Data Sources:
The design is optimized using ANSYS HFSS for the frequency range of 26 GHz to 32 GHz.
3：List of Experimental Equipment and Materials:
RT/Duroid 5880 substrate, DSG9500-000 planar beam-lead PIN diodes, and precision field-replaceable
4：4 mm Southwest Microwave connectors. Experimental Procedures and Operational Workflow:
The phase shifter's performance is validated through simulation and measurement, comparing phase difference and insertion loss across different states.
5：Data Analysis Methods:
The effect of metal post positions on phase difference and insertion loss is analyzed using parametric studies in HFSS.
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