A novel unicast based multiplexing scheme to improve the capacity of VoWLAN

Dong Wang, Zhimin Liu, Yuping Zhao, Yan Luo, Honggang Li, Jilin Le, Yang Cao

Research output: Contribution to journalArticlepeer-review


The mergence of VoIP and WLAN created a new wireless platform for voice service delivery, VoWLAN. This paper figured out the capacity bottleneck of VoWLAN, and analyzed the problems in current solutions such as M-M. A novel unicast based multiplexing scheme (U-M, unicast multiplexing) to improve the capacity and performance of VoWLAN was proposed. Both theoretical and simulation results showed that this scheme improved the voice capacity to nearly 100% comparing to the traditional un-multiplexed scheme, and reduced the packet lost ratio by 10% compared with the M-M scheme. Meanwhile, the U-M scheme is a power-saving scheme in the voice-oriented application as well. Therefore the proposed U-M scheme is an effective solution to increase the voice capacity of WLAN and improve the performance of VoIP service.

Original languageEnglish (US)
Pages (from-to)132-137
Number of pages6
JournalBeijing Daxue Xuebao (Ziran Kexue Ban)/Acta Scientiarum Naturalium Universitatis Pekinensis
Issue number1
StatePublished - Jan 2007
Externally publishedYes


  • ETE delay
  • MAC
  • Packet loss rate
  • VoIP
  • WLAN

ASJC Scopus subject areas

  • General


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