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Monitoring Systems White Papers

Mobile-Assisted Localization in Wireless Sensor Networks

Overview The localization problem is to determine an assignment of coordinates to nodes in a wireless ad-hoc or sensor network that is consistent with measured pairwise node distances. Most previously proposed solutions to this problem assume that the nodes can obtain pairwise distances to other nearby nodes using some ranging technology. However, for a variety of reasons that include obstructions and lack of reliable omnidirectional ranging, this distance information is hard to obtain in practice. Even when pairwise distances between nearby nodes are known, there may not be enough information to solve the problem uniquely.

Further White Paper Details
Publisher	Massachusetts Institute of Technology	File Format	PDF
Date Published	August 2007
Format	White Papers
Topics	Monitoring Systems, Network Security, Mobile - Wireless Communications

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