2. Contents
Introduction
Architecture of a WSN
Types of WSN
Characteristics
Features
Issues related to WSN
Applications
Advantages
Disadvantages
Conclusion
1WIRELESS SENSOR NETWORKSDept of CSE,GEC Haveri
3. Introduction
What is a sensor ?
What is a wireless sensor network (WSN)…?
Functions of a sensor node in the network
2
Constraints
Cost Size Topology
WIRELESS SENSOR NETWORKSDept of CSE,GEC Haveri
4. Architecture of a WSN
3WIRELESS SENSOR NETWORKSDept of CSE,GEC Haveri
5. Block diagram of sensor node
4WIRELESS SENSOR NETWORKSDept of CSE,GEC Haveri
6. Types of WSN
1. Terrestrial WSNs - Military application
2. Underground WSNs - Monitor underground condition
3. Underwater WSNs - Water quality monitoring
4. Multi-media WSNs - Public security application
5. Mobile WSNs - Mobile application
5WIRELESS SENSOR NETWORKSDept of CSE,GEC Haveri
7. Characteristics of a WSN
1. Concurrency processing
2. Low cost
3. low energy resources
4. Chance to cope with node failures
5. Simplicity of use
6WIRELESS SENSOR NETWORKSDept of CSE,GEC Haveri
8. Features
Ad hoc deployment
Unattended operation
Unmetered
Dynamic changes
7WIRELESS SENSOR NETWORKSDept of CSE,GEC Haveri
9. Issues related to WSN
Design issues
Topology issues
Other issues
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10. Applications of WSN
Environmental monitoring
Health monitoring
Forest fire detection
Landslide detection
Water quality monitoring
Traffic control
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11. Advantages of a WSN
It avoids plenty of wiring.
Suitable for the non-reachable places.
Cheaper implementation .
Scalable
flexible
Network setups can be simpler
10WIRELESS SENSOR NETWORKSDept of CSE,GEC Haveri
12. Disadvantages of WSN
Low speed
Less secure
More complicate configuration
Easily trouble surroundings
11WIRELESS SENSOR NETWORKSDept of CSE,GEC Haveri
13. Conclusion
WSNs consist of small nodes with sensing, computation, and
wireless communications capabilities.
WSNs are solve many open issues.
WSNs are practical, cost-effective, and usefully.
12WIRELESS SENSOR NETWORKSDept of CSE,GEC Haveri
14. Bibliography
1. I.F. Akyildiz, W. Su, Y. Sankarasubramaniam, E. Cayirci, A survey on SNs,
IEEE Communicat ions Magazine 40 (8) (2002) 104–112.
2. S. Toumpis, T. Tassiulas, Optimal deployment of large WSNs, IEEE
Transactions on Information Theory 52 (2006) 2935–2953.
3. J. Yick, G. Pasternack, B. Mukherjee, D. Ghosal,Integration in WSNs in
International Journal of Wireless and Mobile Computing (IJWMC) 1
(2006) 101–112.
13WIRELESS SENSOR NETWORKSDept of CSE,GEC Haveri