smart dust

SMART DUST

BY A SATYA KARTHIK 10071A0501

CONTENTSCONTENTS

INTRODUCTIONINTRODUCTION MEMS TECHNOLOGYMEMS TECHNOLOGY WHAT IS A MOTE?WHAT IS A MOTE? COMMUNICATIONCOMMUNICATION APPLICATIONSAPPLICATIONS FUTURE OF SMART DUSTFUTURE OF SMART DUST CHALLENGESCHALLENGES CONCLUSIONCONCLUSION

INTRODUCTIONINTRODUCTION

Tiny electronic Tiny electronic devices designed devices designed to capture to capture mountains of mountains of information about information about their surroundings their surroundings while literally while literally floating on airfloating on air

THE MEMS TECHNOLOGYTHE MEMS TECHNOLOGY

MEMS is the integration of MEMS is the integration of mechanical elements, sensors, mechanical elements, sensors, actuators and electronics on a actuators and electronics on a common silicon substrate through common silicon substrate through micro fabrication technologymicro fabrication technology

MOTESMOTESMOTES

Tiny sensors that can perform a variety of functions

OPERATION OF A MOTE

SMART DUST SYSTEM SMART DUST SYSTEM REQUIREMENTSREQUIREMENTS

PowerPower Sensor Sensor CommunicationCommunication

COMMUNICATION TECHNIQUECOMMUNICATION TECHNIQUE

Wireless communication collects Wireless communication collects data from thousands of sensors data from thousands of sensors simultaneouslysimultaneously

Various techniques areVarious techniques are

a)a) Radio Frequency TransmissionRadio Frequency Transmission

b)b) Optical Transmission TechniqueOptical Transmission Technique

RF TECHNIQUERF TECHNIQUE

Based on the generation, Based on the generation, propagation and detection of propagation and detection of electromagnetic waveselectromagnetic waves

Used to function as both the uplink Used to function as both the uplink and the downlinkand the downlink

OPTICAL TRANSMISSION OPTICAL TRANSMISSION TECHNIQUETECHNIQUE

Free space optic communicationFree space optic communication

a) Active Optical Communication a) Active Optical Communication

b) Passive Optical Communicationb) Passive Optical Communication Fiber optic communicationFiber optic communication

APPLICATIONSAPPLICATIONS

Civil and military applications

VIRTUAL KEYPAD

BRIDGES

SKYWRAPPERS

EFFICIENT MEDICAL IMPLANTS

Wearing temperature, humidity and environmental comfort sensors sewn into our clothes.

FUTURE OF SMART DUSTFUTURE OF SMART DUST

Number of research institutionsNumber of research institutions The future of smart dust lies on both The future of smart dust lies on both

optical communication and fiber-optical communication and fiber-optic communication.optic communication.

CHALLENGESCHALLENGES

To incorporate all these functions To incorporate all these functions while maintaining a low power while maintaining a low power consumptionconsumption

Maximizing operating life given the Maximizing operating life given the limited volume for energy storagelimited volume for energy storage

The motes must operate efficiently The motes must operate efficiently and conserve energy whenever and conserve energy whenever possiblepossible

Ongoing researches on Smart Dust Smart Dust mote :As small as possible Make it available at low price as possible.

CONCLUSION

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