QoS provisioning in IEEE 802.11-compliant networks: Past, present, and future

Hwangnam Kim, Jennifer C. Hou, Chunyu Hu, Ye Ge

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Proliferation of portable, wireless-enabled laptop computers and PDAs, cost-effective deployment of access points, and availability of the license-exempt bands and appropriate networking standards contribute to the conspicuous success of IEEE 802.11 WLANs. In the article, we provide a comprehensive overview of techniques for capacity improvement and QoS provisioning in the IEEE 802.11 protocol family. These techniques represent the R&D efforts both in the research community and the IEEE 802.11 Working Groups. Specifically, we summarize the operations of IEEE 802.11 legacy as well as its extension, introduce several protocol modeling techniques, and categorize the various approaches to improve protocol capacity, to provide QoS (by either devising new MAC protocol components or fine-tuning protocol parameters in IEEE 802.11), and to judiciously arbitrate radio resources (e.g., transmission rate and power). To demonstrate how to adapt QoS provisioning in newly emerging areas, we use the wireless mesh network as an example, discuss the role IEEE 802.11 plays in such a network, and outline research issues that arise.

Original languageEnglish
Pages (from-to)1922-1941
Number of pages20
JournalComputer Networks
Volume51
Issue number8
DOIs
Publication statusPublished - 2007 Jun 6

Fingerprint

Quality of service
Network protocols
Laptop computers
Wireless mesh networks (WMN)
Personal digital assistants
Wireless local area networks (WLAN)
Tuning
Availability
Costs

Keywords

  • IEEE 802.11 enhancement and extension
  • Quality of service
  • Wireless local area networks
  • Wireless MAC protocol design and evaluation

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

QoS provisioning in IEEE 802.11-compliant networks : Past, present, and future. / Kim, Hwangnam; Hou, Jennifer C.; Hu, Chunyu; Ge, Ye.

In: Computer Networks, Vol. 51, No. 8, 06.06.2007, p. 1922-1941.

Research output: Contribution to journalArticle

Kim, Hwangnam ; Hou, Jennifer C. ; Hu, Chunyu ; Ge, Ye. / QoS provisioning in IEEE 802.11-compliant networks : Past, present, and future. In: Computer Networks. 2007 ; Vol. 51, No. 8. pp. 1922-1941.
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