TY - JOUR
T1 - An Ultralow Power Burst-Chirp UWB Radar Transceiver for Indoor Vital Signs and Occupancy Sensing in 40-nm CMOS
AU - Liu, Yao Hong
AU - Sheelavant, Sunil
AU - Mercuri, Marco
AU - Mateman, Paul
AU - Babaie, Masoud
PY - 2019
Y1 - 2019
N2 - This letter presents an ultrawideband (UWB) radar for occupancy and vital signs detection. The proposed burst-chirp operation achieves > 30\times power reduction and abundant margin for the UWB spectrum regulations. With the proposed Domino chirp generation and time-domain predistortion, the radar has a fast chirp slope of 0.7 GHz/40 μ \text{s} and a low RMS error of 0.5 MHz. Fabricated in a 40-nm CMOS process, the presented radar consumes a record-low power of 680 μ \text{W} and can detect human respiration and heartbeat up to 15 and 5 m, respectively.
AB - This letter presents an ultrawideband (UWB) radar for occupancy and vital signs detection. The proposed burst-chirp operation achieves > 30\times power reduction and abundant margin for the UWB spectrum regulations. With the proposed Domino chirp generation and time-domain predistortion, the radar has a fast chirp slope of 0.7 GHz/40 μ \text{s} and a low RMS error of 0.5 MHz. Fabricated in a 40-nm CMOS process, the presented radar consumes a record-low power of 680 μ \text{W} and can detect human respiration and heartbeat up to 15 and 5 m, respectively.
KW - Frequency-modulated continuous wave (FMCW) radar
KW - ranging
KW - ultrawideband (UWB)
KW - vital-sign detection
UR - http://www.scopus.com/inward/record.url?scp=85081629581&partnerID=8YFLogxK
U2 - 10.1109/LSSC.2019.2951423
DO - 10.1109/LSSC.2019.2951423
M3 - Article
AN - SCOPUS:85081629581
SN - 2573-9603
VL - 2
SP - 256
EP - 259
JO - IEEE Solid-State Circuits Letters
JF - IEEE Solid-State Circuits Letters
IS - 11
M1 - 8891756
ER -