Impulse-Based Scheme for Crystal-Less ULP Radios

This study describes a method of implementing a fully integrated ultra-low-power (ULP) radio for wireless sensor networks (WSNs). This is achieved using an ad hoc modulation scheme (impulse radio), with a bandwidth of 17.7 MHz in the 2.4 GHz-ISM band and a specific medium access control (MAC) protoc...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems. I, Regular papers Regular papers, 2009-05, Vol.56 (5), p.1041-1052
Main Authors: Drago, S., Sebastiano, F., Breems, L.J., Leenaerts, D.M.W., Makinwa, K.A.A., Nauta, B.
Format: Article
Language:English
Subjects:
Access control
Access protocols
Bandwidth
Batteries
Circuits
Clock generators
Clocks
COMM200
COMM250A5
Costs
Crystal-less clock
EDICS Category: COMM110A5
Energy consumption
impulse radio
Media Access Protocol
Modulation
Networks
Power consumption
Power generation
Radio
Synchronization
ultra-low power (ULP)
wake-up radio
wireless sensor network (WSN)
Wireless sensor networks
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Summary:This study describes a method of implementing a fully integrated ultra-low-power (ULP) radio for wireless sensor networks (WSNs). This is achieved using an ad hoc modulation scheme (impulse radio), with a bandwidth of 17.7 MHz in the 2.4 GHz-ISM band and a specific medium access control (MAC) protocol, based on a duty-cycled wake-up radio and a crystal-less clock generator. It is shown that the total average power consumption is expected to be less than 100 ¿W with a clock generator inaccuracy of only 1%.
ISSN:1549-8328
1558-0806
DOI:10.1109/TCSI.2009.2015208