Distributed access time control for per-station fairness in infrastructure WLANs

Dong Young Kim, Eun Chan Park, Chong Ho Choi

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Fairness among uplink and downlink TCP flows can not be supported in infrastructure IEEE 802.11 Wireless LANs using the distributed coordination function (DCF). In order to resolve this problem, we propose the Distributed Access Time Control (DATC) scheme, in which each station controls the rates of its TCP flows based on channel access time. The DATC scheme can provide per-station fairness even when the number and direction of flows in each station are different. This scheme can be simply implemented in mobile stations without having to modify the access points. The properties of the proposed scheme are investigated and its effectiveness is verified through simulations.

Original languageEnglish
Pages (from-to)2572-2579
Number of pages8
JournalIEICE Transactions on Communications
VolumeE89-B
Issue number9
DOIs
StatePublished - 2006

Keywords

  • Fairness
  • TCP
  • Wireless LAN

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