研究目的
To design a dual-strip folded monopole antenna for WLAN and 5G C-band applications in USB dongle devices.
研究成果
The proposed antenna achieves coverage for WLAN bands (2.4-2.484 GHz, 5.15-5.35 GHz, 5.725-5.825 GHz) and 5G C-band (3.4-3.6 GHz) with a compact size of 30 × 10 × 4.8 mm3, making it suitable for USB dongle applications. Measured efficiencies are above 40% in 2.4 GHz band, 55% in C-band, and 46% in 5.2/5.8 GHz bands, with gains around -1.7 dBi to 2.5 dBi.
研究不足
The paper does not explicitly mention limitations, but potential areas could include size constraints, bandwidth optimization, and efficiency improvements.
1：Experimental Design and Method Selection:
The antenna is designed with a dual-strip folded monopole structure on an FR4 substrate to achieve multi-band operation for WLAN and 5G C-band. Simulation and measurement methods are used to evaluate performance.
2：Sample Selection and Data Sources:
A prototype antenna is fabricated based on the design. Data is collected through simulations and measurements of S11 parameters, gain, and efficiency.
3：List of Experimental Equipment and Materials:
FR4 substrate with relative permittivity of 4.4, thickness of 0.8 mm, loss tangent of 0.024; 50-ohm mini coaxial cable for feeding.
4：4, thickness of 8 mm, loss tangent of 024; 50-ohm mini coaxial cable for feeding.
Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: The antenna is fabricated, connected to measurement equipment, and S11, gain, and efficiency are measured across specified frequency bands.
5：Data Analysis Methods:
S11 is analyzed for bandwidth (less than -10 dB), and gain and efficiency are plotted and compared to simulated results.
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