Modeling contention based bandwidth request scheme for IEEE 802.16 networks

Jianhua He, Ken Guild, Kun Yang, Hsiao Hwa Chen

Research output: Contribution to journalArticlepeer-review

64 Citations (Scopus)


IEEE 802.16 standard specifies a contention based bandwidth request scheme for best-effort and non-real time polling services in Point-to-MultiPoint (PMP) architecture. In this letter we propose an analytical model for the scheme and study how the performances of bandwidth efficiency and channel access delay change with the contention window size, the number of contending subscriber stations, the number of slots allocated for bandwidth request and data transmission. Simulations validate its high accuracy.

Original languageEnglish
Pages (from-to)689-700
Number of pages12
JournalIEEE Communications Letters
Issue number8
Publication statusPublished - 2007 Aug

All Science Journal Classification (ASJC) codes

  • Modelling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering


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