1. Wireless Sensor Network (WSN)
FINAL PRESENATION GROUP 13
Idris O Badmus (165514IASM)
Innocent I. Okeke (165503IASM)
Ahmed A. Osman (165596MAHM)
Stanley E. Ezeoke (165581MAHM)

2. Our Research Frame work
Wireless sensor Network Ad-hoc networks, multi-hop communication, routing protocols of WSN Characteristics of WSN Application areas of WSN Secure communication issues regarding WSN

3. What is WSN: A WSN can generally be described as a are spatially distributed autonomous network of nodes that cooperatively sense and control the environment conditions, enabling interaction between persons or computers and the surrounding environment.
Image source: www. Wikipedia.org

4. What makes up a WSN Sensor nodes Gateway Sensor field Internet
Observer
Power and
Power management
Image Source: IEC, wireless sensor network white paper
Sensor
Microcontroller
Wireless transceiver

5. Classification of Routing Protocols in WSN
Two classification
WSNs Routing Protocols
Route Processing
Network Structure
Hierarchical
Location Based
Flat Based
Reactive
Hybrid
Proactive

6. Topology characteristics of WSN in general
Uses ad hoc routing protocols
Uses Multi-hoping connection type
Covers a long distance per node
about m in open environment
Self-organizing and reliable networking technology
Low cost IP interconnection technology
Can be star, tree or chain topology

7. General characteristics of WSN
Power consumption constraints for nodes using batteries or energy harvesting
Uses Miniaturization technology based on MEMS
Ambient energy harvesting technology
Ability to cope with node failures
Some mobility of nodes(mobile ad-hoc networks)
Heterogeneity of nodes
Scalability to large scale of deployment
Ability to withstand harsh environmental conditions
Ease of use
Cross-layer design

8. Application of Wireless sensor Networks Transportation and logistics
Smart houses eg indoor climate control
Smart grid and energy control system
Health monitoring system
Security and surveillance
Entertainment
Military use
Industrial application
Precision agriculture and animal tracking
Environmental monitoring
Urban terrain
Climate change study

9. WSN security Security requirement Confidentiality Authenticity
Availability
Possible type of attack
Denial of service
Hello Flood Attack
Attacks on Information in Transit
Black Hole or Sink Attack
Wormhole Attack
Black Hole Attack
example of a wormhole attack

10. How do we overcome these attacks
…We need structures

11. Structure in the form of
Strong Authenticity
High confidentiality
Availability

12. Thank you for listening
Questions???