Fairness Enhancement for 802.11 MAC

Caishi Huang; Chin-Tau Lea; Albert Wong

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

Fairness Enhancement for 802.11 MAC

Abstract

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