Introduction to Sensor Networks

Rabie A RamadanGUC Cairo

Lecture 1

Syllabus

Class Website

bull MET website (metgucedueg)

TArsquos

bull No TAs

2

Class Format

Presentations by myself

Presentations by you

Two Term Papers one Term Paper and a

Project

bull Group of max 2 students

3

Participation

You are expected to attend all of the

lectures

bull Exams will be based on the class materials

bull Group Activities

bull Very Important

4

Assignments

Must be submitted on time

Late assignments will be accepted within one

week with substantial penalties

Electronic format submission

5

Exams

Final only and no midterm

bull The final is a comprehensive exam that

covers all of the materials

Exams materials

bull From the class materials

bull Group activities

bull Your presentations be aware of your

friends presentations

6

Textbooks

There is no main textbook for the class

The class will be based on some research papers

However it will be helpful if you own them

bull Bhaskar Krishnamachari rdquo Networking Wireless

Sensors ldquo 2005

bull ANNA HAC ldquo Wireless Sensor Networks Designsrdquo

2003

7

Tentative Grading Scheme

40 Final

15 Quizzes 2 out of 3

25 Term papersProjects

5 Lecture participation

15 Assignment

There is no midterm

8

Lets have fun before we start

9

Game No 1

Study the circles below

Work out what number should replace the question

mark

11

Hit

4 5 + 3 6 = 38

8 4 + 3 5 = 47

GameNo 2

Draw a square made up of dots like this one on

your piece of paper

Now without lifting the pencil from the page

draw no more than four straight lines which will

cross through all nine dots

Hint

One line can go out of the paper

Solution

bull Lessons Learned

bull Do not discard small details

bull Ask questions

bull You might think that things are

very complicated but with

little guide it becomes very easy

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

Syllabus

Class Website

bull MET website (metgucedueg)

TArsquos

bull No TAs

2

Class Format

Presentations by myself

Presentations by you

Two Term Papers one Term Paper and a

Project

bull Group of max 2 students

3

Participation

You are expected to attend all of the

lectures

bull Exams will be based on the class materials

bull Group Activities

bull Very Important

4

Assignments

Must be submitted on time

Late assignments will be accepted within one

week with substantial penalties

Electronic format submission

5

Exams

Final only and no midterm

bull The final is a comprehensive exam that

covers all of the materials

Exams materials

bull From the class materials

bull Group activities

bull Your presentations be aware of your

friends presentations

6

Textbooks

There is no main textbook for the class

The class will be based on some research papers

However it will be helpful if you own them

bull Bhaskar Krishnamachari rdquo Networking Wireless

Sensors ldquo 2005

bull ANNA HAC ldquo Wireless Sensor Networks Designsrdquo

2003

7

Tentative Grading Scheme

40 Final

15 Quizzes 2 out of 3

25 Term papersProjects

5 Lecture participation

15 Assignment

There is no midterm

8

Lets have fun before we start

9

Game No 1

Study the circles below

Work out what number should replace the question

mark

11

Hit

4 5 + 3 6 = 38

8 4 + 3 5 = 47

GameNo 2

Draw a square made up of dots like this one on

your piece of paper

Now without lifting the pencil from the page

draw no more than four straight lines which will

cross through all nine dots

Hint

One line can go out of the paper

Solution

bull Lessons Learned

bull Do not discard small details

bull Ask questions

bull You might think that things are

very complicated but with

little guide it becomes very easy

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

Class Format

Presentations by myself

Presentations by you

Two Term Papers one Term Paper and a

Project

bull Group of max 2 students

3

Participation

You are expected to attend all of the

lectures

bull Exams will be based on the class materials

bull Group Activities

bull Very Important

4

Assignments

Must be submitted on time

Late assignments will be accepted within one

week with substantial penalties

Electronic format submission

5

Exams

Final only and no midterm

bull The final is a comprehensive exam that

covers all of the materials

Exams materials

bull From the class materials

bull Group activities

bull Your presentations be aware of your

friends presentations

6

Textbooks

There is no main textbook for the class

The class will be based on some research papers

However it will be helpful if you own them

bull Bhaskar Krishnamachari rdquo Networking Wireless

Sensors ldquo 2005

bull ANNA HAC ldquo Wireless Sensor Networks Designsrdquo

2003

7

Tentative Grading Scheme

40 Final

15 Quizzes 2 out of 3

25 Term papersProjects

5 Lecture participation

15 Assignment

There is no midterm

8

Lets have fun before we start

9

Game No 1

Study the circles below

Work out what number should replace the question

mark

11

Hit

4 5 + 3 6 = 38

8 4 + 3 5 = 47

GameNo 2

Draw a square made up of dots like this one on

your piece of paper

Now without lifting the pencil from the page

draw no more than four straight lines which will

cross through all nine dots

Hint

One line can go out of the paper

Solution

bull Lessons Learned

bull Do not discard small details

bull Ask questions

bull You might think that things are

very complicated but with

little guide it becomes very easy

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

Participation

You are expected to attend all of the

lectures

bull Exams will be based on the class materials

bull Group Activities

bull Very Important

4

Assignments

Must be submitted on time

Late assignments will be accepted within one

week with substantial penalties

Electronic format submission

5

Exams

Final only and no midterm

bull The final is a comprehensive exam that

covers all of the materials

Exams materials

bull From the class materials

bull Group activities

bull Your presentations be aware of your

friends presentations

6

Textbooks

There is no main textbook for the class

The class will be based on some research papers

However it will be helpful if you own them

bull Bhaskar Krishnamachari rdquo Networking Wireless

Sensors ldquo 2005

bull ANNA HAC ldquo Wireless Sensor Networks Designsrdquo

2003

7

Tentative Grading Scheme

40 Final

15 Quizzes 2 out of 3

25 Term papersProjects

5 Lecture participation

15 Assignment

There is no midterm

8

Lets have fun before we start

9

Game No 1

Study the circles below

Work out what number should replace the question

mark

11

Hit

4 5 + 3 6 = 38

8 4 + 3 5 = 47

GameNo 2

Draw a square made up of dots like this one on

your piece of paper

Now without lifting the pencil from the page

draw no more than four straight lines which will

cross through all nine dots

Hint

One line can go out of the paper

Solution

bull Lessons Learned

bull Do not discard small details

bull Ask questions

bull You might think that things are

very complicated but with

little guide it becomes very easy

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

Assignments

Must be submitted on time

Late assignments will be accepted within one

week with substantial penalties

Electronic format submission

5

Exams

Final only and no midterm

bull The final is a comprehensive exam that

covers all of the materials

Exams materials

bull From the class materials

bull Group activities

bull Your presentations be aware of your

friends presentations

6

Textbooks

There is no main textbook for the class

The class will be based on some research papers

However it will be helpful if you own them

bull Bhaskar Krishnamachari rdquo Networking Wireless

Sensors ldquo 2005

bull ANNA HAC ldquo Wireless Sensor Networks Designsrdquo

2003

7

Tentative Grading Scheme

40 Final

15 Quizzes 2 out of 3

25 Term papersProjects

5 Lecture participation

15 Assignment

There is no midterm

8

Lets have fun before we start

9

Game No 1

Study the circles below

Work out what number should replace the question

mark

11

Hit

4 5 + 3 6 = 38

8 4 + 3 5 = 47

GameNo 2

Draw a square made up of dots like this one on

your piece of paper

Now without lifting the pencil from the page

draw no more than four straight lines which will

cross through all nine dots

Hint

One line can go out of the paper

Solution

bull Lessons Learned

bull Do not discard small details

bull Ask questions

bull You might think that things are

very complicated but with

little guide it becomes very easy

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

Exams

Final only and no midterm

bull The final is a comprehensive exam that

covers all of the materials

Exams materials

bull From the class materials

bull Group activities

bull Your presentations be aware of your

friends presentations

6

Textbooks

There is no main textbook for the class

The class will be based on some research papers

However it will be helpful if you own them

bull Bhaskar Krishnamachari rdquo Networking Wireless

Sensors ldquo 2005

bull ANNA HAC ldquo Wireless Sensor Networks Designsrdquo

2003

7

Tentative Grading Scheme

40 Final

15 Quizzes 2 out of 3

25 Term papersProjects

5 Lecture participation

15 Assignment

There is no midterm

8

Lets have fun before we start

9

Game No 1

Study the circles below

Work out what number should replace the question

mark

11

Hit

4 5 + 3 6 = 38

8 4 + 3 5 = 47

GameNo 2

Draw a square made up of dots like this one on

your piece of paper

Now without lifting the pencil from the page

draw no more than four straight lines which will

cross through all nine dots

Hint

One line can go out of the paper

Solution

bull Lessons Learned

bull Do not discard small details

bull Ask questions

bull You might think that things are

very complicated but with

little guide it becomes very easy

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

Textbooks

There is no main textbook for the class

The class will be based on some research papers

However it will be helpful if you own them

bull Bhaskar Krishnamachari rdquo Networking Wireless

Sensors ldquo 2005

bull ANNA HAC ldquo Wireless Sensor Networks Designsrdquo

2003

7

Tentative Grading Scheme

40 Final

15 Quizzes 2 out of 3

25 Term papersProjects

5 Lecture participation

15 Assignment

There is no midterm

8

Lets have fun before we start

9

Game No 1

Study the circles below

Work out what number should replace the question

mark

11

Hit

4 5 + 3 6 = 38

8 4 + 3 5 = 47

GameNo 2

Draw a square made up of dots like this one on

your piece of paper

Now without lifting the pencil from the page

draw no more than four straight lines which will

cross through all nine dots

Hint

One line can go out of the paper

Solution

bull Lessons Learned

bull Do not discard small details

bull Ask questions

bull You might think that things are

very complicated but with

little guide it becomes very easy

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

Tentative Grading Scheme

40 Final

15 Quizzes 2 out of 3

25 Term papersProjects

5 Lecture participation

15 Assignment

There is no midterm

8

Lets have fun before we start

9

Game No 1

Study the circles below

Work out what number should replace the question

mark

11

Hit

4 5 + 3 6 = 38

8 4 + 3 5 = 47

GameNo 2

Draw a square made up of dots like this one on

your piece of paper

Now without lifting the pencil from the page

draw no more than four straight lines which will

cross through all nine dots

Hint

One line can go out of the paper

Solution

bull Lessons Learned

bull Do not discard small details

bull Ask questions

bull You might think that things are

very complicated but with

little guide it becomes very easy

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

Lets have fun before we start

9

Game No 1

Study the circles below

Work out what number should replace the question

mark

11

Hit

4 5 + 3 6 = 38

8 4 + 3 5 = 47

GameNo 2

Draw a square made up of dots like this one on

your piece of paper

Now without lifting the pencil from the page

draw no more than four straight lines which will

cross through all nine dots

Hint

One line can go out of the paper

Solution

bull Lessons Learned

bull Do not discard small details

bull Ask questions

bull You might think that things are

very complicated but with

little guide it becomes very easy

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

Game No 1

Study the circles below

Work out what number should replace the question

mark

11

Hit

4 5 + 3 6 = 38

8 4 + 3 5 = 47

GameNo 2

Draw a square made up of dots like this one on

your piece of paper

Now without lifting the pencil from the page

draw no more than four straight lines which will

cross through all nine dots

Hint

One line can go out of the paper

Solution

bull Lessons Learned

bull Do not discard small details

bull Ask questions

bull You might think that things are

very complicated but with

little guide it becomes very easy

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

11

Hit

4 5 + 3 6 = 38

8 4 + 3 5 = 47

GameNo 2

Draw a square made up of dots like this one on

your piece of paper

Now without lifting the pencil from the page

draw no more than four straight lines which will

cross through all nine dots

Hint

One line can go out of the paper

Solution

bull Lessons Learned

bull Do not discard small details

bull Ask questions

bull You might think that things are

very complicated but with

little guide it becomes very easy

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

GameNo 2

Draw a square made up of dots like this one on

your piece of paper

Now without lifting the pencil from the page

draw no more than four straight lines which will

cross through all nine dots

Hint

One line can go out of the paper

Solution

bull Lessons Learned

bull Do not discard small details

bull Ask questions

bull You might think that things are

very complicated but with

little guide it becomes very easy

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

Hint

One line can go out of the paper

Solution

bull Lessons Learned

bull Do not discard small details

bull Ask questions

bull You might think that things are

very complicated but with

little guide it becomes very easy

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

Solution

bull Lessons Learned

bull Do not discard small details

bull Ask questions

bull You might think that things are

very complicated but with

little guide it becomes very easy

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

Video Part

15

Play

What does it tell you

Be Smart and Think Smartly

16

Introduction and Basic Concepts

16

Computing Evolution

We Have Come a Long Way

The Electronic Numerical Integrator and Computer (ENIAC) begins in 1938

Home computer as imagined more than 50 years ago

The Computer

Evolution

Moorersquos Law

1965 prediction by Intel

cofounder Gordon Moore

The number of transistors

that can be built on the same

size piece of silicon will

double every 18 months

year

log

(p

eo

ple

pe

r

co

mp

ute

r)

Streaming Data

tofrom the

Physical World

Excerpted from lsquoThe Mote Revolution Low Power Wireless Sensor Networkrsquo UCB 2004

Bellrsquos Law New computing

class every 10 years

Ubiquitous Computing A

Vision Ahead of its Time

The most profound

technologies are those

that disappear They

weave themselves into

the fabric of everyday life

until they are

indistinguishable from it

Mark Weiser 1991

What is a Sensor

26

What is a Sensor

Sensor

bull A device that converts the physical phenomena

into electric signal

bull A digital data could be extracted

26

27

What is a Sensor

Heterogeneous vs Homogenous

WeC

Rene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

27

28

What are they Measure

Heterogeneous vs Homogenous

WeCRene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

28helliphelliphellipMagnetism

Identity

Radiation

Vital signs

Acceleration

Velocity Weight

Pressure

Vibration Temperature

HumidityLightMotion

Pictures Video

Communication Unit

Sensing Unit

Sensors

ADC

Processing Unit

Processor

Storage

Power Unit

Mobility Support Unit Location Finding Unit

What is a Sensor Node

Wireless Sensor Networks A

Closer Look

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

Computing Evolution

We Have Come a Long Way

The Electronic Numerical Integrator and Computer (ENIAC) begins in 1938

Home computer as imagined more than 50 years ago

The Computer

Evolution

Moorersquos Law

1965 prediction by Intel

cofounder Gordon Moore

The number of transistors

that can be built on the same

size piece of silicon will

double every 18 months

year

log

(p

eo

ple

pe

r

co

mp

ute

r)

Streaming Data

tofrom the

Physical World

Excerpted from lsquoThe Mote Revolution Low Power Wireless Sensor Networkrsquo UCB 2004

Bellrsquos Law New computing

class every 10 years

Ubiquitous Computing A

Vision Ahead of its Time

The most profound

technologies are those

that disappear They

weave themselves into

the fabric of everyday life

until they are

indistinguishable from it

Mark Weiser 1991

What is a Sensor

26

What is a Sensor

Sensor

bull A device that converts the physical phenomena

into electric signal

bull A digital data could be extracted

26

27

What is a Sensor

Heterogeneous vs Homogenous

WeC

Rene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

27

28

What are they Measure

Heterogeneous vs Homogenous

WeCRene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

28helliphelliphellipMagnetism

Identity

Radiation

Vital signs

Acceleration

Velocity Weight

Pressure

Vibration Temperature

HumidityLightMotion

Pictures Video

Communication Unit

Sensing Unit

Sensors

ADC

Processing Unit

Processor

Storage

Power Unit

Mobility Support Unit Location Finding Unit

What is a Sensor Node

Wireless Sensor Networks A

Closer Look

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

The Electronic Numerical Integrator and Computer (ENIAC) begins in 1938

Home computer as imagined more than 50 years ago

The Computer

Evolution

Moorersquos Law

1965 prediction by Intel

cofounder Gordon Moore

The number of transistors

that can be built on the same

size piece of silicon will

double every 18 months

year

log

(p

eo

ple

pe

r

co

mp

ute

r)

Streaming Data

tofrom the

Physical World

Excerpted from lsquoThe Mote Revolution Low Power Wireless Sensor Networkrsquo UCB 2004

Bellrsquos Law New computing

class every 10 years

Ubiquitous Computing A

Vision Ahead of its Time

The most profound

technologies are those

that disappear They

weave themselves into

the fabric of everyday life

until they are

indistinguishable from it

Mark Weiser 1991

What is a Sensor

26

What is a Sensor

Sensor

bull A device that converts the physical phenomena

into electric signal

bull A digital data could be extracted

26

27

What is a Sensor

Heterogeneous vs Homogenous

WeC

Rene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

27

28

What are they Measure

Heterogeneous vs Homogenous

WeCRene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

28helliphelliphellipMagnetism

Identity

Radiation

Vital signs

Acceleration

Velocity Weight

Pressure

Vibration Temperature

HumidityLightMotion

Pictures Video

Communication Unit

Sensing Unit

Sensors

ADC

Processing Unit

Processor

Storage

Power Unit

Mobility Support Unit Location Finding Unit

What is a Sensor Node

Wireless Sensor Networks A

Closer Look

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

Home computer as imagined more than 50 years ago

The Computer

Evolution

Moorersquos Law

1965 prediction by Intel

cofounder Gordon Moore

The number of transistors

that can be built on the same

size piece of silicon will

double every 18 months

year

log

(p

eo

ple

pe

r

co

mp

ute

r)

Streaming Data

tofrom the

Physical World

Excerpted from lsquoThe Mote Revolution Low Power Wireless Sensor Networkrsquo UCB 2004

Bellrsquos Law New computing

class every 10 years

Ubiquitous Computing A

Vision Ahead of its Time

The most profound

technologies are those

that disappear They

weave themselves into

the fabric of everyday life

until they are

indistinguishable from it

Mark Weiser 1991

What is a Sensor

26

What is a Sensor

Sensor

bull A device that converts the physical phenomena

into electric signal

bull A digital data could be extracted

26

27

What is a Sensor

Heterogeneous vs Homogenous

WeC

Rene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

27

28

What are they Measure

Heterogeneous vs Homogenous

WeCRene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

28helliphelliphellipMagnetism

Identity

Radiation

Vital signs

Acceleration

Velocity Weight

Pressure

Vibration Temperature

HumidityLightMotion

Pictures Video

Communication Unit

Sensing Unit

Sensors

ADC

Processing Unit

Processor

Storage

Power Unit

Mobility Support Unit Location Finding Unit

What is a Sensor Node

Wireless Sensor Networks A

Closer Look

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

The Computer

Evolution

Moorersquos Law

1965 prediction by Intel

cofounder Gordon Moore

The number of transistors

that can be built on the same

size piece of silicon will

double every 18 months

year

log

(p

eo

ple

pe

r

co

mp

ute

r)

Streaming Data

tofrom the

Physical World

Excerpted from lsquoThe Mote Revolution Low Power Wireless Sensor Networkrsquo UCB 2004

Bellrsquos Law New computing

class every 10 years

Ubiquitous Computing A

Vision Ahead of its Time

The most profound

technologies are those

that disappear They

weave themselves into

the fabric of everyday life

until they are

indistinguishable from it

Mark Weiser 1991

What is a Sensor

26

What is a Sensor

Sensor

bull A device that converts the physical phenomena

into electric signal

bull A digital data could be extracted

26

27

What is a Sensor

Heterogeneous vs Homogenous

WeC

Rene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

27

28

What are they Measure

Heterogeneous vs Homogenous

WeCRene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

28helliphelliphellipMagnetism

Identity

Radiation

Vital signs

Acceleration

Velocity Weight

Pressure

Vibration Temperature

HumidityLightMotion

Pictures Video

Communication Unit

Sensing Unit

Sensors

ADC

Processing Unit

Processor

Storage

Power Unit

Mobility Support Unit Location Finding Unit

What is a Sensor Node

Wireless Sensor Networks A

Closer Look

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

Moorersquos Law

1965 prediction by Intel

cofounder Gordon Moore

The number of transistors

that can be built on the same

size piece of silicon will

double every 18 months

year

log

(p

eo

ple

pe

r

co

mp

ute

r)

Streaming Data

tofrom the

Physical World

Excerpted from lsquoThe Mote Revolution Low Power Wireless Sensor Networkrsquo UCB 2004

Bellrsquos Law New computing

class every 10 years

Ubiquitous Computing A

Vision Ahead of its Time

The most profound

technologies are those

that disappear They

weave themselves into

the fabric of everyday life

until they are

indistinguishable from it

Mark Weiser 1991

What is a Sensor

26

What is a Sensor

Sensor

bull A device that converts the physical phenomena

into electric signal

bull A digital data could be extracted

26

27

What is a Sensor

Heterogeneous vs Homogenous

WeC

Rene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

27

28

What are they Measure

Heterogeneous vs Homogenous

WeCRene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

28helliphelliphellipMagnetism

Identity

Radiation

Vital signs

Acceleration

Velocity Weight

Pressure

Vibration Temperature

HumidityLightMotion

Pictures Video

Communication Unit

Sensing Unit

Sensors

ADC

Processing Unit

Processor

Storage

Power Unit

Mobility Support Unit Location Finding Unit

What is a Sensor Node

Wireless Sensor Networks A

Closer Look

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

year

log

(p

eo

ple

pe

r

co

mp

ute

r)

Streaming Data

tofrom the

Physical World

Excerpted from lsquoThe Mote Revolution Low Power Wireless Sensor Networkrsquo UCB 2004

Bellrsquos Law New computing

class every 10 years

Ubiquitous Computing A

Vision Ahead of its Time

The most profound

technologies are those

that disappear They

weave themselves into

the fabric of everyday life

until they are

indistinguishable from it

Mark Weiser 1991

What is a Sensor

26

What is a Sensor

Sensor

bull A device that converts the physical phenomena

into electric signal

bull A digital data could be extracted

26

27

What is a Sensor

Heterogeneous vs Homogenous

WeC

Rene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

27

28

What are they Measure

Heterogeneous vs Homogenous

WeCRene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

28helliphelliphellipMagnetism

Identity

Radiation

Vital signs

Acceleration

Velocity Weight

Pressure

Vibration Temperature

HumidityLightMotion

Pictures Video

Communication Unit

Sensing Unit

Sensors

ADC

Processing Unit

Processor

Storage

Power Unit

Mobility Support Unit Location Finding Unit

What is a Sensor Node

Wireless Sensor Networks A

Closer Look

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

Ubiquitous Computing A

Vision Ahead of its Time

The most profound

technologies are those

that disappear They

weave themselves into

the fabric of everyday life

until they are

indistinguishable from it

Mark Weiser 1991

What is a Sensor

26

What is a Sensor

Sensor

bull A device that converts the physical phenomena

into electric signal

bull A digital data could be extracted

26

27

What is a Sensor

Heterogeneous vs Homogenous

WeC

Rene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

27

28

What are they Measure

Heterogeneous vs Homogenous

WeCRene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

28helliphelliphellipMagnetism

Identity

Radiation

Vital signs

Acceleration

Velocity Weight

Pressure

Vibration Temperature

HumidityLightMotion

Pictures Video

Communication Unit

Sensing Unit

Sensors

ADC

Processing Unit

Processor

Storage

Power Unit

Mobility Support Unit Location Finding Unit

What is a Sensor Node

Wireless Sensor Networks A

Closer Look

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

What is a Sensor

26

What is a Sensor

Sensor

bull A device that converts the physical phenomena

into electric signal

bull A digital data could be extracted

26

27

What is a Sensor

Heterogeneous vs Homogenous

WeC

Rene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

27

28

What are they Measure

Heterogeneous vs Homogenous

WeCRene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

28helliphelliphellipMagnetism

Identity

Radiation

Vital signs

Acceleration

Velocity Weight

Pressure

Vibration Temperature

HumidityLightMotion

Pictures Video

Communication Unit

Sensing Unit

Sensors

ADC

Processing Unit

Processor

Storage

Power Unit

Mobility Support Unit Location Finding Unit

What is a Sensor Node

Wireless Sensor Networks A

Closer Look

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

26

What is a Sensor

Sensor

bull A device that converts the physical phenomena

into electric signal

bull A digital data could be extracted

26

27

What is a Sensor

Heterogeneous vs Homogenous

WeC

Rene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

27

28

What are they Measure

Heterogeneous vs Homogenous

WeCRene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

28helliphelliphellipMagnetism

Identity

Radiation

Vital signs

Acceleration

Velocity Weight

Pressure

Vibration Temperature

HumidityLightMotion

Pictures Video

Communication Unit

Sensing Unit

Sensors

ADC

Processing Unit

Processor

Storage

Power Unit

Mobility Support Unit Location Finding Unit

What is a Sensor Node

Wireless Sensor Networks A

Closer Look

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

27

What is a Sensor

Heterogeneous vs Homogenous

WeC

Rene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

27

28

What are they Measure

Heterogeneous vs Homogenous

WeCRene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

28helliphelliphellipMagnetism

Identity

Radiation

Vital signs

Acceleration

Velocity Weight

Pressure

Vibration Temperature

HumidityLightMotion

Pictures Video

Communication Unit

Sensing Unit

Sensors

ADC

Processing Unit

Processor

Storage

Power Unit

Mobility Support Unit Location Finding Unit

What is a Sensor Node

Wireless Sensor Networks A

Closer Look

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

28

What are they Measure

Heterogeneous vs Homogenous

WeCRene Dot

Spec

Telos

Mica2

Mica

Pluto

Mobile Sensor

28helliphelliphellipMagnetism

Identity

Radiation

Vital signs

Acceleration

Velocity Weight

Pressure

Vibration Temperature

HumidityLightMotion

Pictures Video

Communication Unit

Sensing Unit

Sensors

ADC

Processing Unit

Processor

Storage

Power Unit

Mobility Support Unit Location Finding Unit

What is a Sensor Node

Wireless Sensor Networks A

Closer Look

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

Communication Unit

Sensing Unit

Sensors

ADC

Processing Unit

Processor

Storage

Power Unit

Mobility Support Unit Location Finding Unit

What is a Sensor Node

Wireless Sensor Networks A

Closer Look

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

Wireless Sensor Networks A

Closer Look

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

31

What is a sensor Network

Sink Node

Internet

Monitored field

Why Sensor Networks

What is the future of sensor networks

Online Video

32

Why Sensor Networks

What is the future of sensor networks

Online Video

32

Wired Wireless Point-Point Wireless Mesh

Few high accuracy sensors

Very high reliability

Expensive installation

Inflexible

More low accuracy sensors

High reliability

Less expensive installation

Flexible

Many low accuracy sensors

Low reliability

Inexpensive installation

Very flexible

SensorNetworks Evolution

(Source httpwwwspecificationsnlzigbeezigbee_UKphprequestedpage=3 )

Topology

(Source httpwwwspecificationsnlzigbeezigbee_UKphprequestedpage=3 )

Topology

WSN Design Challenges

Large scale of deployment

Limited power to harvest or store

Harsh environmental conditions

Node failures

Dynamic network topology

Communication failures

Heterogeneity of nodes

Unattended operation

Security

36

Sensor Network Applications

Health Care

Rescue Operations

Transportation

Infrastructure Monitoring

36

Habitat Monitoring

36

Sensor Network Applications

Health Care

Rescue Operations

Transportation

Infrastructure Monitoring

36

Habitat Monitoring

Students Presentation

You have three types of presentation

bull Single Assigned by the lecturer

bull First Term Paper group of 2

bull Second Term Paper Project group of 2

Please e-mail me the appropriate time for the first

presentation

37