Fairness Enhancement for 802.11 MAC

被引：0

作者：

Huang, Caishi ^{[1
]}

Lea, Chin-Tau ^{[1
]}

Wong, Albert Kai-Sun ^{[1
]}

机构：

[1] HKUST, Dept Elect & Comp Engn, Hong Kong, Hong Kong, Peoples R China

来源：

ACCESS NETWORKS | 2010年 / 37卷

关键词：

Fairness; CSMA/CA; Receiver assistance; Exposed receiver; AD HOC NETWORKS;

D O I：

暂无

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

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.

引用

页码：25 / 39

页数：15

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