Ali Ahmed Ali Almahdi, and G. Prathibha. “Compact Four-Port MIMO Patch Antenna With Hybrid Defected Ground Structure for Wideband and Dual-Band Wireless Applications”. International Journal of Computer Information Systems and Industrial Management Applications, vol. 18, no. 8s, July 2026, pp. 521-34, doi:10.70917/ijcisim-2026-3294.