Near-Field MMIC-Based D-Band MIMO Radar: Hardware Design and Characterization - Sardinero-Meiras I; Perez-Eijo L; Lopez-Delgado IE; Cabrera-Gordillo I; Sanfelix-Guajardo J; Vazquez-Cabo J; Arias M; Gonzalez-Valdes B; Grajal J (Ieee International Symposium On Phased Array Systems And Technology, 2024)