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Beacon-based algorithms for geometric routing

  • Stony Brook University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

19 Scopus citations

Abstract

We consider beacons, an analog of geographical greedy routing, motivated by sensor network applications. A beacon b is a point object that can be activated to create a 'magnetic pull' towards itself everywhere in a polygonal domain P. We explore the properties of beacons and their effect on points in polygons, as well as demonstrate polynomial-time algorithms to compute a variety of structures defined by the action of beacons on P. We establish a polynomial-time algorithm for routing from a point s to a point t using a discrete set of candidate beacons, as well as a 2-approximation and a PTAS for routing between beacons placed without restriction in P.

Original languageEnglish
Title of host publicationAlgorithms and Data Structures - 13th International Symposium, WADS 2013, Proceedings
Pages158-169
Number of pages12
DOIs
StatePublished - 2013
Event13th International Symposium on Algorithms and Data Structures, WADS 2013 - London, ON, Canada
Duration: Aug 12 2013Aug 14 2013

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume8037 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference13th International Symposium on Algorithms and Data Structures, WADS 2013
Country/TerritoryCanada
CityLondon, ON
Period08/12/1308/14/13

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