Design and analysis of contention-based request schemes for best-effort traffics in IEEE 802.16 networks

Lien W. Chen*, Yu-Chee Tseng

*Corresponding author for this work

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

The IEEE 802.16 standard is designed to meet the need of metropolitan-area broadband wireless access. This work studies two collision-resolution requesting schemes for best-effort BE) traffics in IEEE 802.16 networks. One is the exponential backoff scheme defined in the standard and the other is a piggyback mechanism enhanced by single-frame backoff, called the Request Piggyback (RPB) scheme. We analyze and compare their performance in terms of the request success probability and the packet delivery delay under Poisson traffic. The results show that the RPB scheme outperforms the exponential backoff scheme and can reduce request collision.

Original languageEnglish
Pages (from-to)602-604
Number of pages3
JournalIEEE Communications Letters
Volume12
Issue number8
DOIs
StatePublished - 5 Sep 2008

Keywords

  • Contention resolution
  • IEEE 802.16
  • Medium Access Control
  • WiMax
  • Wireless communication

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