Eliminating the performance anomaly of 802.11b

See Hwan Yoo, Jin Hee Choi, Jae Hyun Hwang, Chuck Yoo

Research output: Contribution to journalConference articlepeer-review

20 Citations (Scopus)


In this paper, we propose a mechanism to eliminate the performance anomaly of IEEE 802.11b. Performance anomaly happens when nodes that have different transmission rates are in the same wireless cell. All the nodes in the cell might experience the same throughput even though their transmission rates are different because DCF of WLAN provides equal probability of channel access, but it does not guarantee the equal utilization of the wireless channel among the nodes. To reduce such a performance anomaly, we adjust the frame size proportionally depending on the bit rate. Additionally, our scheme eliminates the performance anomaly in multi-hop case, Simulation study shows that our scheme achieves an improvement in the aggregate throughput and the fairness.

Original languageEnglish
Pages (from-to)1055-1062
Number of pages8
JournalLecture Notes in Computer Science
Issue numberII
Publication statusPublished - 2005
EventNetworking - ICN 2005 - Reunion Island, France
Duration: 2005 Apr 172005 Apr 21

ASJC Scopus subject areas

  • Theoretical Computer Science
  • General Computer Science


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