研究目的
Designing a wideband millimeter-wave magneto-electric (ME) dipole antenna with end-?re radiation fed by the substrate integrated coaxial line (SICL) to achieve wideband performance and stable radiation characteristics.
研究成果
The proposed wideband millimeter-wave end-?re EM-dipole antenna, excited by a planar L-probe and fed by an SICL feeding network, achieves wide impedance and 3-dB gain bandwidths. The design is validated through simulation and measurement, demonstrating its potential for millimeter-wave applications.
研究不足
The measured S11 near 28 GHz is greater than -10 dB due to gaps between the feeding structure and the EM-dipole antenna. The measured gain is lower than simulated due to dielectric and metal losses, and PCB process limitations.
1：Experimental Design and Method Selection:
The ME-dipole antenna is excited by a planar L-probe fed by the SICL. A wideband impedance conversion structure connects the antenna and the feeding port. A transition from the SICL to the grounded coplanar waveguide is used for testing.
2：Sample Selection and Data Sources:
The antenna is fabricated using the standard printed circuit board (PCB) process.
3：List of Experimental Equipment and Materials:
Taconic TLY-5 substrate, Rogers 4550 substrate, CST full-wave simulation software.
4：Experimental Procedures and Operational Workflow:
The antenna is optimized using CST software, fabricated, and then measured for performance.
5：Data Analysis Methods:
Simulation and measurement results are compared to validate the antenna's performance.
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