What question did this study set out to answer?

To design and experimentally validate a compact, wideband circularly polarized hexagonal antenna using characteristic mode analysis to optimize dual-band radiation performance.

January 1, 2021IEEE Transactions on Instrumentation and Measurement

Design of Compact Wideband Circularly Polarized Hexagon-Shaped Antenna Using Characteristics Mode Analysis

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To design and experimentally validate a compact, wideband circularly polarized hexagonal antenna using characteristic mode analysis to optimize dual-band radiation performance.
Applied characteristic mode analysis (CMA) to evaluate orthogonal surface currents and isolate specific modes contributing to circular polarization.
Engineered a two-stage hexagonal geometry using a monopole for upper-band circular polarization and a slotted patch for lower-band circular polarization.
Fabricated a compact prototype with dimensions of 0.36λ × 0.36λ × 0.013λ relative to the lowest working frequency to experimentally validate simulated metrics.
Achieved a measured impedance bandwidth of 2.3–7.6 GHz and a 3-dB axial ratio bandwidth of 3.4–6.5 GHz.
Demonstrated a measured peak gain of 4.6 dBic with stable radiation patterns spanning the IMT, ISM, and WiMAX frequency bands.

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Implication

Experimental design demonstrates wideband circular polarization across 3.4–6.5 GHz in a compact hexagonal antenna, indicating suitability for IMT, ISM, and WiMAX wireless applications.

Cite This Study

Sharma et al. (2021) studied this question.

synapsesocial.com/papers/6a9a20164e49e699219e56a5 https://doi.org/10.1109/tim.2021.3091463

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Implication

Experimental design demonstrates wideband circular polarization across 3.4–6.5 GHz in a compact hexagonal antenna, indicating suitability for IMT, ISM, and WiMAX wireless applications.

Design of Compact Wideband Circularly Polarized Hexagon-Shaped Antenna Using Characteristics Mode Analysis

Key Points

Discussion

Implication

Cite This Study

Design of Compact Wideband Circularly Polarized Hexagon-Shaped Antenna Using Characteristics Mode Analysis

Key Points

Discussion

Implication

Cite This Study

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