Title :
A 4.4uW wake-up receiver using ultrasound data communications
Author :
Yadav, Kshitij ; Kymissis, Ioannis ; Kinget, Peter R.
Author_Institution :
Columbia Univ., New York, NY, USA
Abstract :
We demonstrate free-space ultrasound data communications for ultra-low power wireless wake-up in sensor networks. Using ultrasound carriers allows for an order-of-magnitude power reduction over RF based solutions. The 65nm CMOS 0.6V receiver prototype achieves a BER of better than 10-3 over 8.6m for a 0.25kb/s free-space link in a typical indoor environment while dissipating only 4.4uW and requiring only -18dBm transmit signal power.
Keywords :
data communication; radio receivers; ultrasonic applications; wireless sensor networks; BER; free-space link; free-space ultrasound data communication; order-of-magnitude power reduction; power 4.4 muW; sensor network; size 65 nm; ultra-low power wireless wake-up; ultrasound carriers; voltage 0.6 V; wake-up receiver; Bit error rate; Power demand; Receivers; Transducers; Ultrasonic imaging; Ultrasonic variables measurement; Wireless sensor networks;
Conference_Titel :
VLSI Circuits (VLSIC), 2011 Symposium on
Conference_Location :
Honolulu, HI
Print_ISBN :
978-1-61284-175-5
