A680 μW Burst-Chirp UWB Radar Transceiver for Vital Signs and Occupancy Sensing up to 15m Distance. - Yao-Hong Liu; Sunil Sheelavant; Marco Mercuri; Paul Mateman; Johan Dijkhuis; Agossou Wilfried Zomagboguelou; Arjan Breeschoten; Stefano Traferro; Yan Zhang 018; Tom Torfs; Christian Bachmann; Pieter Harpe; et al. (ISSCC, 2019)