Design of QoS and admission control for VoIP services over IEEE 802.11e WLANs

Pei Yeh Wu*, Jen-Jee Chen, Yu-Chee Tseng, Hung Wei Lee

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Supporting telephone services using wireless LAN as the access network is an important application nowadays. The SIP and IEEE 802.11e are the two most promising protocols to support such services. In this paper, we show how to integrate SIP and 802.11e to conduct call admission control and resource reservation to support VoIP's QoS in IEEE 802.11e WLANs. Besides, we also suggest some adjustments and MAC enhancements to 802.11e to facilitate VoIP traffics over WLANs.

Original languageEnglish
Pages (from-to)1003-1022
Number of pages20
JournalJournal of Information Science and Engineering
Volume24
Issue number4
DOIs
StatePublished - 1 Jul 2008

Keywords

  • Call admission control
  • IEEE 802.11e
  • Quality of service (QoS)
  • Voice over IP (VoIP)
  • Wireless network

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