9.3 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, Wilfried Zomagboguelou, Arjan Breeschoten, Stefano Traferro, Masoud Babaie, More Authors

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

14 Citations (Scopus)


For remote vital signs and occupancy detection in many smart home/building applications, radar sensors are a preferred option over cameras, due to privacy preservation and robustness to ambient light conditions. These radars not only need to provide precise range and vital signs information over meters distance, but also preferably can operate on a battery up to a few months or even years, for cost and practical reasons (like smoke detectors). State-of-the-art remote vital-sign sensors typically use an impulse-radio UWB (IR-UWB) radar [1,2] because it provides a range resolution <20 cm. However, their power consumption is typically in the order of 100's of mW, preventing long-term maintenance-free battery-powered operations. Although mains power can be used to supply such radars, this is not always available, depending on the location and the building type, and the installation cost (e.g., power routing) is significantly higher than for battery-powered ones. In this work, a burst-chirp radar with an energy-efficient chirp generation is proposed, leading to a record-low power consumption of 680 μW.

Original languageEnglish
Title of host publication2019 IEEE International Solid-State Circuits Conference, ISSCC 2019
Subtitle of host publicationDigest of technical papers
EditorsL.C. Fujino
Place of PublicationPiscataway
Number of pages3
ISBN (Electronic)978-1-5386-8531-0
ISBN (Print)978-1-5386-8532-7
Publication statusPublished - 2019
EventISSCC 2019: IEEE International Solid-State Circuits Conference - San Francisco, CA, United States
Duration: 17 Feb 201921 Feb 2019


ConferenceISSCC 2019
CountryUnited States
CitySan Francisco, CA

Bibliographical note

Session 9.3


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