Accurate Multitarget Microwave Cardiogram Sensing With 4-D Digital Beamforming Technique Based on a K-Band Short-Range End-to-End 4T8R Sparse MIMO FMCW Radar System

Jiayu Zhang, Yuchen Li, Yiyan Cao, Zhiwei Zhang, Changzhan Gu, Junfa Mao. “Accurate Multitarget Microwave Cardiogram Sensing With 4-D Digital Beamforming Technique Based on a K-Band Short-Range End-to-End 4T8R Sparse MIMO FMCW Radar System.” IEEE Transactions on Microwave Theory and Techniques, vol. 74, no. 1, pp. 421-434, 2026. doi: 10.1109/tmtt.2025.3615997.