An Introduction of Wireless Se...

An Introduction of Wireless Sensor Networks (WSN) TechnologyAn Introduction of Wireless Sensor Networks (WSN) Technology

Zhan Yi (Student ID:80423272) Kuroda Lab. Department of Electrical Engineering Keio University

Outline


Introduction
What is WSN? Why we need it?



WSN structure
How WSN is organized? What are the specialties of WSN?



The achievement some research units have made
UCB (David Culler) Intel UCB (Kris Pister ) MIT Media Lab. (Joe Paradiso)



Some fields interesting

WSN Introduction (What is WSN?)


Habitat Monitoring on the Great Duck Island (USA Maine. 2002/2003. UCB & Intel & Atlantic Univ.)

(1) (3) (4) (5)

(2)

Communication Topology
Sensor node Multi-hop wireless Internet or Satellite Sink / Base Station

area A

Cluster-Head or Aggregator Task Manager Node End User Density of nodes (R) = N R2/A
N is number of nodes