ChinaCom2008-Wireless Communications and Networking Symposium

Research Article

Collision Classification Resolution Algorithm for IEEE 802.11 WLAN

  • @INPROCEEDINGS{10.1109/CHINACOM.2008.4684956,
        author={Qifei Zhang and Baolin Sun and Chao Gui and Bing Yan},
        title={Collision Classification Resolution Algorithm for IEEE 802.11 WLAN},
        proceedings={ChinaCom2008-Wireless Communications and Networking Symposium},
        publisher={IEEE},
        proceedings_a={CHINACOM2008-WCN},
        year={2008},
        month={11},
        keywords={MAC Collision Classification Model Backoff},
        doi={10.1109/CHINACOM.2008.4684956}
    }
    
  • Qifei Zhang
    Baolin Sun
    Chao Gui
    Bing Yan
    Year: 2008
    Collision Classification Resolution Algorithm for IEEE 802.11 WLAN
    CHINACOM2008-WCN
    IEEE
    DOI: 10.1109/CHINACOM.2008.4684956
Qifei Zhang1,*, Baolin Sun1,*, Chao Gui1,*, Bing Yan1,*
  • 1: School of Computing, Hubei University of Economics
*Contact email: cheffly@gmail.com, blsun@163.com, guichao888@vip.sina.com, bk.102613@yahoo.com.cn

Abstract

Traditional backoff algorithms in WLAN extend their contention windows to resolve collisions. However, collisions may still occur due to intersecting windows among contending stations. Based on such observation, this paper puts forward a collision classification model to classify collisions into two categories and proposes an algorithm featuring Collision Classification Resolution (CCR) to resolve different collisions with different manners. The simulation results demonstrate that compared to IEEE 802.11 DCF, CCR algorithm achieves improvement in collision times, throughput, delay and fairness.