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Wireless Sensor Networking:The Absolute Basics

EE 301 PresentationProfessor Babak Ayazifar

Jay TanejaFall Semester 2005

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Faster, Smaller, More• Moore’s Law

– “Stuff” (transistors, etc) doubling every 1-2 years

• Bell’s Law– New computing class

every 10 yearsStreaming Data

to/from the Physical World

year

log

(p

eo

ple

pe

r c

om

pu

ter)

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Introduction to a “Mote”

REAL Definition: (n.) A wireless receiver/transmitter that is typically combined with a sensor of some type to create a remote sensor. Some motes are designed to be incredibly small so that they can be deployed by the hundreds or even thousands for various applications.

Definition: (n.) A deep wide ditch, usually filled with water, typically surrounding a fortified medieval town, fortress, or castle as a protection against assault.

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Anatomy of a Mote

• Radio - “the mouth”• Sensor - “the eyes and ears”• Microcontroller - “the brain”• Battery - “heart and lungs”

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Exciting Applications

• Precision Vineyard Agriculture• Zebra Tracking in Kenya• Golden Gate Bridge Monitoring• Multiple Target Tracking• Sensoria Minefield

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Mote on GGB Span

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Zebra with a Collar

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Does anyone have any questions? If you do, I would be happy to answer them to the best of my ability. If you do not have questions, I hope you enjoyed my presentation. If you do have questions, hopefully you will

have enjoyed my presentation when I am done answering your questions.