End-fire radiation characteristics and high gain performance of a miniaturized printed monopole antenna based on theory of characteristic modes. - Mubarak S. Ellis; Christian Agyekum; George A. Prah II; Derrick Dompreh; Elijah Atiigah; David Amoako; Kwame Oteng Gyasi; Kingsford Sarkodie Obeng Kwakye; Abdul R. Ahmed; Jerry John Kponyo (IEICE Electron. Express, 2025)