研究目的
Designing a slotted waveguide phased array based on a single-ridged waveguide (SRWG) for 5G millimeter-wave applications with enhanced scanning angle, wide impedance bandwidth, low cross-polarization, and controlled side lobes.
研究成果
The ridge waveguide slot phased antenna array is suitable for 5G millimeter wave system applications, offering a 10.7% impedance bandwidth, efficiency over 75%, low cross-polarization levels, and scanning capabilities of ±45° horizontally and ±3° vertically.
研究不足
The conductance mismatch of the slots at high frequencies worsens the low side lobes performance. The active VSWR deteriorates with increasing scan angle.
1：Experimental Design and Method Selection:
The design involves a transition structure for polarization torsion and conversion from ridge waveguide to standard rectangular waveguide, and dividing a single waveguide into two subarrays for small angle scanning in vertical dimension.
2：Sample Selection and Data Sources:
An 8 × 8 array is simulated to validate the design.
3：List of Experimental Equipment and Materials:
Not explicitly mentioned.
4：Experimental Procedures and Operational Workflow:
The array's performance is evaluated through simulation, focusing on VSWR, gain, efficiency, and radiation patterns.
5：Data Analysis Methods:
Simulation results are analyzed to assess bandwidth, gain, efficiency, and scanning performance.
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