simbil rahma presentation

8/2/2019 Simbil Rahma Presentation

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Planification dun Rseau de Commutation

Presented by :Rahma ZAYOUD

Simbil MAHAMAT AHMAT

Supervised by:

Mrs. Jihne BEN ABDELRRAZEK

Study and Optimization of Energy in

Sensor Networks

14th of May, 2011

Miss. Salma BOUAZIZ


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1 Introduction

Sensor networks

Routing protocols for sensor networks

Simulations & Results

Conclusion

2

3

4

5

OUTLINE


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3

nail a Sensor in

every tree

If a tree falls in the forest,

how do we hear it?

IntroductionSensor

networks

R outing

Protocols

Simulations &

ResultsConclusion


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4

What if a tree falls and its

sensors energy is spent?

IntroductionSensor

networks

Routing

Protocols

Simulations &

ResultsConclusion


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5

The Project s AIM is tooptimize sensor energy byimplementing the right routingprotocol .

IntroductionSensor

networks

Routing

Protocols

Simulations &

ResultsConclusion


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What is a sensor?

A sensor is a device which produces a measurable response to a

change in physical condition such as temperature or chemical

condition such as concentration.

What is a sensor network?

A sensor networkis composed of a large number of sensornodes, which are densely deployed either inside the phenomenon or

very close to it.

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IntroductionSensor

networks

R outing

Protocols

Simulations &

ResultsConclusion


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Military

7

Applications of sensor networksIntroduction

Sensor

networks

Routing

Protocols

Simulations &

ResultsConclusion


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Environment

8

IntroductionSensor

networks

Routing

Protocols

Simulations &

ResultsConclusion


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Health

9

Circulatory Net

IntroductionSensor

networks

Routing

Protocols

Simulation s&

ResultsConclusion


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Factors influencing sensor networks design

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IntroductionSensor

networks

Routing

Protocols

Simulations &

ResultsConclusion

Power consumption

Environment

ScalabilityFault tolerance


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12

AODV

IntroductionSensor

networks

Routing

Protocols

Simulation s&

ResultsConclusion


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Source

Sink

Interest = Interrogation

Gradient = Who is interested 13

Directed Diffusion protocol :DDIntroduction

Sensor

networks

Routing

Protocols

Simulations &

ResultsConclusion


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Interests Setting up gradients

Source

Sink

Interest = Interrogation

Gradient = Who is interested14

Directed Diffusion protocol :DDIntroduction

Sensor

networks

Routing

Protocols

Simulations &

ResultsConclusion


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The node discards the packets having been seen

source

destination

The source broadcasts a route packet The neighbors in turn broadcast the packet till it reaches

the destination

Reply packet follows the reverse path of route request packet recorded in

broadcast packet

RREQ

RREP

Ad hoc on Demand Distance Vector : AODV

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IntroductionSensor

networks

Routing

Protocols

Simulations &

ResultsConclusion


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LEACH

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Low Energy Adaptive Clustering Hierarchy:LEACHIntroduction

Sensor

networks

Routing

Protocols

Simulations &

ResultsConclusion


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Low Energy Adaptive Clustering Hierarchy :LEACHIntroduction

Sensor

networks

Routing

Protocols

Simulations &

ResultsConclusion


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The Network Simulator: NS is an object oriented simulator,

written in C++, with an otcl interpreter.

The TCL language: is a powerful and dynamic interpreted

programming language.

The Network Animator: is a TCL/TK based animation tool for

viewing network simulation traces and real word packet traces.

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Simulation tools

IntroductionSensor

networks

Routing

Protocols

Simulations &

ResultsConclusion


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The awk language: is used to manage files and generate a file used to

plot a graph

The tracegraph: is a data presentation system for Network Simulator.

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Simulation tools :

IntroductionSensor

networks

Routing

Protocols

Simulations &

ResultsConclusion


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IntroductionSensor

networks

Routing

Protocols

Simulations &

ResultsConclusion

Time

Energy


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IntroductionSensor

networks

Routing

Protocols

Simulations &

ResultsConclusion

Time

Energy


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IntroductionSensor

networks

Routing

Protocols

Simulations &

ResultsConclusion

The studies and simulations show that the LEACH protocol

optimize energy consumption more than DD and AODV protocol.

This protocol allows us to space out the lifespan of the nodes, allowing

it to do only the minimum works it needs to transmit data. That how

LEACH is seen as the protocol who optimize energy in network.


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Thanks for your Attention

Rahma &Simbil23

simbil rahma presentation

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