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Access Networks. 4th International Conference, AccessNets 2009, Hong Kong, China, November 1-3, 2009, Revised Selected Papers

Research Article

Fairness Enhancement for 802.11 MAC

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  • @INPROCEEDINGS{10.1007/978-3-642-11664-3_3,
        author={Caishi Huang and Chin-Tau Lea and Albert Wong},
        title={Fairness Enhancement for 802.11 MAC},
        proceedings={Access Networks. 4th International Conference, AccessNets 2009, Hong Kong, China, November 1-3, 2009, Revised Selected Papers},
        proceedings_a={ACCESSNETS},
        year={2012},
        month={10},
        keywords={Fairness CSMA/CA Receiver assistance Exposed receiver},
        doi={10.1007/978-3-642-11664-3_3}
    }
    
  • Caishi Huang
    Chin-Tau Lea
    Albert Wong
    Year: 2012
    Fairness Enhancement for 802.11 MAC
    ACCESSNETS
    Springer
    DOI: 10.1007/978-3-642-11664-3_3
Caishi Huang1,*, Chin-Tau Lea1,*, Albert Wong1,*
  • 1: HKUST
*Contact email: cshuang@ust.hk, eelea@ee.ust.hk, eealbert@ust.hk

Abstract

Location dependency and its associated exposed receiver problem create the most severe unfairness scenario of the CSMA/CA protocol. An analytical model is built up to study the success probabilities of RTS reception and RTS/CTS handshake of the typical disadvantaged link under the exposed receiver scenario. Derived from the analytical insights, we propose a receiver assistance feature (RcvAssist) for the CSMA/CA protocol which not only significantly enhances the fairness of disadvantaged links suffering from exposed receiver problem, but also increases the overall throughput without introducing other side effects, such as aggregating the hidden terminal problem.

Keywords
Fairness CSMA/CA Receiver assistance Exposed receiver
Published
2012-10-11
http://dx.doi.org/10.1007/978-3-642-11664-3_3
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