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Chapter 15
Reliable and E?±cient Information Forwarding
and Tra?±c Engineering in Wireless Sensor
Networks
Fernand S. Cohen, Joshua Goldberg, and Jaudelice C. de Oliveira
Electrical and Computer Engineering Department
Drexel University, Philadelphia, PA 19103
{fscohen@coe, jbg25@, jau@coe.}drexel.edu
1 Introduction
Sensor nodes often transmit via a wireless medium in which the power required
to send data is proportional to the square of the distance between the source
and the destination. This problem is compounded by the fact that the sink
(node which collects the sensed data) can be far removed from any given
node.
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