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TitleSmart Dust Technology Seminar Report
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Smart Dust Seminar Report ‘03


Autonomous sensing and communication in a cubic millimeter

Berkeley’s Smart Dust project, led by Professors Pister and Kahn,

explores the limits on size and power consumption in autonomous sensor

nodes. Size reduction is paramount, to make the nodes as inexpensive and

easy-to-deploy as possible. The research team is confident that they can

incorporate the requisite sensing, communication, and computing hardware,

along with a power supply, in a volume no more than a few cubic millimeters,

while still achieving impressive performance in terms of sensor functionality

and communications capability. These millimeter-scale nodes are called

“Smart Dust.” It is certainly within the realm of possibility that future

prototypes of Smart Dust could be small enough to remain suspended in air,

buoyed by air currents, sensing and communicating for hours or days on end.

'Smart dust' — sensor-laden networked computer nodes that are just

cubic millimetres in volume. The smart dust project envisions a complete

sensor network node, including power supply, processor, sensor and

communications mechanisms, in a single cubic millimetre. .Smart dust motes

could run for years , given that a cubic millimetre battery can store 1J and

could be backed up with a solar cell or vibrational energy source

The goal of the Smart Dust project is to build a millimeter-scale

sensing and communication platform for a massively distributed sensor

network. This device will be around the size of a grain of sand and will

contain sensors, computational ability, bi-directional wireless

communications, and a power supply. Smart dust consists of series of circuit

and micro-electro-mechanical systems (MEMS) designs to cast those functions

into custom silicon. Microelectromechanical systems (MEMS) consist of

extremely tiny mechanical elements, often integrated together with electronic



Dept. of ECE MESCE Kuttippuram1

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