A fair scheduling algorithm with traffic classification for wireless networks

You Chiun Wang, Shiang Rung Ye, Yu-Chee Tseng*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

15 Scopus citations


Wireless channels are characterized by more serious bursty and location-dependent errors. Many packet scheduling algorithms have been proposed for wireless networks to guarantee fairness and delay bounds. However, most existing schemes do not consider the difference of traffic natures among packet flows. This will cause the delay-weight coupling problem. In particular, serious queuing delays may be incurred for real-time flows. To resolve this problem, we propose a traffic-dependent wireless fair queuing (TD-FQ) algorithm that takes traffic types of flows into consideration when scheduling packets. The proposed TD-FQ algorithm not only alleviates queuing delay of real-time flows, but also guarantees bounded delays and fairness for all flows.

Original languageEnglish
Pages (from-to)1225-1239
Number of pages15
JournalComputer Communications
Issue number10
StatePublished - 16 Jun 2005


  • Data communication
  • Fair queuing
  • Mobile communication system
  • Scheduling
  • Wireless network

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