ArticleScientific reports2026
Single-layer compact dual-band dual-circularly polarized antenna based on proximity-coupling feed patches.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
This paper presents a single-layer compact antenna with capability of realizing dual-sense circularly polarized (CP) radiation at two distinct frequency bands. The design employs multiple truncated-corner patches of different sizes operating in their fundamental modes, which are proximity-coupled through a probe-fed microstrip line. This configuration enables a single-layer structure, compact footprint, and flexible frequency-ratio tuning. This distinguishes the proposed design from the other related works, which are commonly multi-layer and large size due to the utilization of stack configuration or higher-order mode. Validation demonstrates that the proposed antenna exhibits dual-band operation at 5.2 and 6.5 GHz, with the operating bandwidths of 1.6% and 1.8%. Over these bands, the broadside gain values are higher than 6.0 dBi and peak at 6.5 dBi.
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