Low Power Wire Less Sensor Network--ppt 4r1j2y

LOW POWER WIRELESS SENSOR NETWORK Seminar Guide Mr.Saurabh Verma

Presented By Vivek Kr.Gangwar

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

CONTENTS Introduction  Sensor node  Power operation in network  Power awareness from Radio Communication Hardware  Microcontroller  Energy-efficient networks  Advantages  Disadvantages  Application  Conclusion 

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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INTRODUCTION 

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A wireless sensor network is a collection of wireless sensors covering a small area. Every sensor performs independent sensing processing and transmission of data over wireless link with minimum power consumption. These include low-energy signaling and networking

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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SENSOR NETWORK

Gateway sensor node

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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SENSOR NODE  

A sensor node, also known as a ‘mote‘ It is a node in a wireless sensor network that is capable of performing some processing, gathering sensory information and communication with gateway sensor node

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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SENSOR NODE ARCHITECTURE

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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POWER OPERATION IN NETWORK   

Power awareness from Radio Communication Hardware Microcontroller Energy-efficient networks Signal Processing in the Network System Partitioning Read, Write and Erase Energy Usage

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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POWER AWARENESS FROM RADIO HARDWARE 

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The functionality of both transmitter and receiver are combined into a single device know as transceiver are used in sensor nodes. The operational states are transmit ,receive , idle and sleep Low Voltage Operation  1.8V minimum supply

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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MICROCONTROLLER :      

Here we use ultra low power microcontroller Texas MSP430 1.8V power supply Active power 6mW Sleep power 3µw Zero-power Brown Out Reset (BOR) <6 μs clock startup time <50 nA pin leakage current

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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SIGNAL PROCESSING IN NETWORK

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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SYSTEM PARTITIONING

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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ADVANTAGES     

Low cost Low power Small size Fast operation Reduce of man power

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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DISADVANTAGES   

Short communication distance It’s damn easy for hackers to hack Comparatively low speed of communication

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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APPLICATIONS      

Environmental sensing Home automation Security & military surveillance Industrial control & monitoring Health care Agriculture field

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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CONCLUSION 

In human life a sensor network may be the powerful tool, because they can be deployed at the places where a man can not reach

“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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“Low Power Wireless Sensor Network ”MIT ,MORADABAD 09/10/2009

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