Bimodal flooding scheme for mitigating contention and redundancy in relayed broadcast

Youngboo Kim, Eun Chan Park

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

2 Scopus citations

Abstract

This paper considers a relayed broadcast in IEEE 802.11 wireless local area (WLAN) networks. In the relayed broadcast, a source node intends to deliver data frames to many nodes beyond its coverage and all the nodes except the source node attempt to relay the received data frames in a contention-based and distributed manner. This traffic dissemination scheme, referred to as flooding, has several problems. As the number of nodes increases, the contention for channel access becomes intensified, resulting in a severe problem of collision and interference, and at the same time, many duplicate frames are unnecessarily transmitted. In order to mitigate contention and redundancy in the relayed broadcast, this paper proposes a bimodal flooding scheme combining two approaches. The first approach aims to relieve contention by deferring the transmission of data frames based on the number of neighbor nodes. Meanwhile, to suppress redundant transmission of data frames, the second approach introduces a novel index of duplication ratio, with which data frames are discarded probabilistically. In this way, the former contributes to the reliable transmission of broadcasting traffic and the latter is effective to decrease its dissemination time. Via simulation study, the performance of several flooding schemes are compared and analyzed in diverse aspects.

Original languageEnglish
Title of host publicationInternational Conference on Information and Communication Technology Convergence
Subtitle of host publicationICT Convergence Technologies Leading the Fourth Industrial Revolution, ICTC 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages714-719
Number of pages6
ISBN (Electronic)9781509040315
DOIs
StatePublished - 12 Dec 2017
Event8th International Conference on Information and Communication Technology Convergence, ICTC 2017 - Jeju Island, Korea, Republic of
Duration: 18 Oct 201720 Oct 2017

Publication series

NameInternational Conference on Information and Communication Technology Convergence: ICT Convergence Technologies Leading the Fourth Industrial Revolution, ICTC 2017
Volume2017-December

Conference

Conference8th International Conference on Information and Communication Technology Convergence, ICTC 2017
Country/TerritoryKorea, Republic of
CityJeju Island
Period18/10/1720/10/17

Keywords

  • broadcast
  • flooding
  • IEEE 802.11
  • redundancy
  • relay
  • reliability

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