PCLF: A practical cross-layer fast handover mechanism in IEEE 802.11 WLANs

Yilin Song*, Min Liu, Anfu Zhou, Zhongcheng Li, Qi Li

*Corresponding author for this work

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

3 Citations (Scopus)

Abstract

As is known to us, the handover latency of FMIPv6 in its predictive mode is given little concerns. However our previous work [4] shows that FMIPv6 may suffer long handover latency in its predictive mode, and [4] identifies three key issues raising such problems. In this paper, we propose a practical cross-layer fast handover management mechanism (PCLF) to address these issues and improve success rate of mobility prediction. To solve the problem, PCLF includes a smart link layer trigger, a TBScan algorithm, a TBAPS algorithm, a buffering support Bi-Binding scheme and the smart link event notification policy. Experiment results show that our mechanism can achieve reasonable mobility prediction and seamless handover with no interruptions on upper layer applications (VoIP) in IEEE 802.11 WLANs. The average handover latency is less than 50ms, the success rate of mobility prediction is 97.7% and no packet loss is observed.

Original languageEnglish
Title of host publication2010 IEEE International Conference on Communications, ICC 2010
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages1-5
Number of pages5
ISBN (Print)9781424464043
DOIs
Publication statusPublished - 2010
Externally publishedYes
Event2010 IEEE International Conference on Communications, ICC 2010 - Cape Town, South Africa
Duration: 23 May 201027 May 2010

Other

Other2010 IEEE International Conference on Communications, ICC 2010
Country/TerritorySouth Africa
CityCape Town
Period23/05/1027/05/10

Keywords

  • Cross layer
  • Fast handover
  • FMIPv6
  • IEEE 802.11

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