Design of a Compact Textile Bandpass Filter Based on Zigzag Stepped-Impedance Resonators for 5G Wearable ApplicationsSoufiane Achraou, Dahbi El Khamlichi, Souhaila Ben Haddi, Hanae El Ftouh and Alia ZakritiEPJ Web Conf., 380 (2026) 01007DOI: https://doi.org/10.1051/epjconf/202638001007