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Summary: Spring 2006 CS 649 1
CS649
Sensor Networks
IP Track Lecture 3: Target/Source Localization in
Sensor Networks
I-Jeng Wang
http://hinrg.cs.jhu.edu/wsn06/
Target/Source Localization in Wireless
Sensor Networks
Spring 2006 CS 649 2
· Basic Problem Statement: Collaborative estimation of
the locations of targets (or source signals) based on
distributed sensor measurements
· Key distinctions from the self localization problem
· Non-cooperative sources
· Uncertainty with source/target signals
· unknown source signal intensity
· ambiguity created from multiple targets/sources
A Simple Taxonomy of Approaches (our
focus in boldface)
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