# Efficiency Improvement of Smartphone Antennas Using Higher-Order Mode Suppression Under Characteristic Mode Analysis

> Research article (IEEE Transactions on Antennas and Propagation, 2022) · cited 14× · AI/ML

**Wikidata**: [openalex:W4290717178](https://www.wikidata.org/wiki/openalex:W4290717178)  
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