ArticleScientific reports2025
2-Bit reconfigurable microstrip antenna with independently controlled hybrid slots for polarization and frequency switching.
Article in Scientific reports, 2025. 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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Abstract
A 2-bit reconfigurable microstrip antenna capable of selectively switching its operating frequency and polarization is presented. The design features a novel dual-embedded, crossed-slot topology where slots on the radiating patch and the ground plane are controlled independently by two p-i-n diodes. This 2-bit control scheme facilitates four distinct operational states. When the diodes are in identical states (ON/ON or OFF/OFF), the antenna exhibits linear polarization at two discrete resonant frequencies, 2.51 GHz and 2.44 GHz. When the diodes are in opposing states (ON/OFF or OFF/ON), the antenna radiates with left-handed (LHCP) or right-handed circular polarization (RHCP) at 2.45 GHz. A prototype was fabricated and measured, with results showing excellent correlation with simulations. This compact, single-layer design demonstrates a versatile and efficient solution with high functional density for modern wireless systems requiring agile beam control.
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