Design of a Compact 4×4 Ultra-Wideband (UWB) MIMO Antenna with Quadra Band-Notch Characteristics on FR-4 Substrate for Wireless Communication Applications. International Journal of Telecommunications, Electronics and Computer Science, [S. l.], v. 2, n. 1, p. 6–12, 2026. Disponível em: https://jotecs.org/index.php/jotecs/article/view/86. Acesso em: 30 apr. 2026.