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Local pooling factor of multihop wireless networks

  • Peng Jun Wan*
  • , Minming Li
  • , Lixin Wang
  • , Zhu Wang
  • , Ophir Frieder
  • *Corresponding author for this work
  • Illinois Institute of Technology
  • City University of Hong Kong
  • Paine College
  • Georgetown University

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

Abstract

Longest Queue First (LQF) is a well-known link scheduling strategy in multihop wireless networks. Its throughput efficiency ratio was shown to be exactly the local pooling factor (LPF) of the multihop wireless network in a recent seminar work by Joo et al. [5]. Under the 802.11 interference model with uniform interference radii, the LPF of a multihop wireless network was known to be at least 1/6. However, little is known about the LPF of a multihop wireless network under the 802.11 interference model with arbitrary interference radii or under the protocol interference model. In this paper, we derive constant lower bounds on LPFs of these multihop wireless networks. Specifically, under the 802.11 interference model with arbitrary interference radii, the LPF is at least 1/16. Under the protocol interference model, if the communication radius of each node is at most c times its interference radius for some c < 1, then the LPF is at least 1/ (2(π/arcsin 1-c/2- 1)).

Original languageEnglish
Title of host publication2011 Proceedings IEEE INFOCOM
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages511-515
Number of pages5
ISBN (Print)9781424499212
DOIs
StatePublished - 2011
Externally publishedYes
EventIEEE INFOCOM 2011 - Shanghai, China
Duration: 10 Apr 201115 Apr 2011

Publication series

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

Conference

ConferenceIEEE INFOCOM 2011
Country/TerritoryChina
CityShanghai
Period10/04/1115/04/11

Keywords

  • interference
  • Link scheduling
  • local pooling factor
  • longest queue first
  • throughput efficiency ratio

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