A theory of network localization

James Aspnes*, Tolga Eren, David K. Goldenberg, A. Stephen Morse, Walter Whiteley, Richard Yang, Brian D.O. Anderson, Peter N. Belhumeur

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

529 Citations (Scopus)

Abstract

In this paper, we provide a theoretical foundation for the problem of network localization in which some nodes know their locations and other nodes determine their locations by measuring the distances to their neighbors. We construct grounded graphs to model network localization and apply graph rigidity theory to test the conditions for unique localizability and to construct uniquely localizable networks. We further study the computational complexity of network localization and investigate a subclass of grounded graphs where localization can be computed efficiently. We conclude with a discussion of localization in sensor networks where the sensors are placed randomly.

Original languageEnglish
Article number1717436
Pages (from-to)1663-1677
Number of pages15
JournalIEEE Transactions on Mobile Computing
Volume5
Issue number12
DOIs
Publication statusPublished - Dec 2006
Externally publishedYes

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