Constrained relay node placement in wireless sensor networks to meet connectivity and survivability requirements

Satyajayant Misra, Seung Don Hong, Guoliang Xue, Jian Tang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

97 Scopus citations

Abstract

The relay node placement problem for wireless sensor networks is concerned with placing a minimum number of relay nodes into a wireless sensor network to meet certain connectivity and survivability requirements. In this paper, we study constrained versions of the relay node placement problem, where relay nodes can only be placed at a subset of candidate locations. In the connected relay node placement problem, we want to place a minimum number of relay nodes to ensure the connectivity of the sensor nodes and the base stations. In the survivable relay node placement problem, we want to place a minimum number of relay nodes to ensure the biconnectivity of the sensor nodes and the base stations. For each of the two problems, we discuss its computational complexity, and present a framework of polynomial time script O sign (1)-approximation algorithms with small approximation ratios.

Original languageEnglish (US)
Title of host publicationINFOCOM 2008
Subtitle of host publication27th IEEE Communications Society Conference on Computer Communications
Pages879-887
Number of pages9
DOIs
StatePublished - Sep 15 2008
EventINFOCOM 2008: 27th IEEE Communications Society Conference on Computer Communications - Phoenix, AZ, United States
Duration: Apr 13 2008Apr 18 2008

Publication series

NameProceedings - IEEE INFOCOM
ISSN (Print)0743-166X

Other

OtherINFOCOM 2008: 27th IEEE Communications Society Conference on Computer Communications
CountryUnited States
CityPhoenix, AZ
Period4/13/084/18/08

Keywords

  • Relay node placement
  • Wireless sensor networks

ASJC Scopus subject areas

  • Computer Science(all)
  • Electrical and Electronic Engineering

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