Journal
PROCEEDINGS OF THE IEEE
Volume 98, Issue 11, Pages 1808-1827Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPROC.2010.2053333
Keywords
Energy harvesting; low power; power management; sensors; standby mode; wireless
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Miniature wireless sensors with long lifetimes enable new applications for medical diagnosis, infrastructure monitoring, military surveillance, and environmental sensing among many other applications in a growing field. Sensor miniaturization leads to decreased on-sensor energy capacity, and lifetime requirements further constrain the sensor's power budget. To enable millimeter-scale wireless sensors with lifetimes of months to years, a new class of low-power circuit techniques is required. Wireless sensors collect and digitize environmental data before processing and transmitting the data wirelessly to base stations or other sensor nodes. Recent low-power advances for each of these functions shed light on how ubiquitous sensing can become a reality.
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