A low-latency scanning with association mechanism for real-time communication in mobile WiMAX

You Lin Chen*, Shiao Li Tsao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

In Mobile WiMAX, a mobile station (MS) scans neighboring base stations (BSs) before conducting handover. The MS may perform the association further, i.e., initial ranging, with neighboring BSs during scanning to obtain ranging parameters and/or service availability information for a potential handover to a BS and/or the selection of target BSsll. However, the scanning with association scheme may introduce additional latency for handover. This study first evaluates the conventional scanning with association process, and then proposes a mechanism to reduce the association latency. The performance models of the proposed mechanism are presented and the accuracies of analytical models are verified by simulations. Results demonstrate that the proposed mechanism reduces the association latency by 61.9%78.0% for audio services and 41.3%65.4% for video services.

Original languageEnglish
Article number6276202
Pages (from-to)3550-3560
Number of pages11
JournalIEEE Transactions on Wireless Communications
Volume11
Issue number10
DOIs
StatePublished - 27 Aug 2012

Keywords

  • IEEE 802.16
  • Mobile WiMAX
  • contention-based ranging
  • handover
  • scanning with association

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