| Ad Hoc多跳网络的不公平性研究 |
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| 引用本文： | 苏爱国,董虹宇,张光昭. Ad Hoc多跳网络的不公平性研究[J]. 中山大学学报(自然科学版), 2004, 43(1): 32-36 |
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| 作者姓名： | 苏爱国 董虹宇 张光昭 |
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| 作者单位： | 中山大学电子与通信工程系,广东,广州,510275 |
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| 摘 要： | 在分析基于802.11的Ad Hoc多跳网络中存在的代P不公平性问题及其产生原因的基础上,提出了一种新的方案--DWDB(double windows dynamic backoff)算法,对基本802.11MAC协议进行了退避算法和重传机制的修改.仿真结果表明该方案有效地解决了不公平性问题.
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| 关 键 词： | Ad Hoc网络 TCP协议 DWDB算法 |
| 文章编号： | 0529-6579(2004)01-0032-05 |
| 修稿时间： | 2003-07-15 |
Study of the Unfairness on Ad Hoc Multi-Hop Networks |
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| SU Ai-guo,DONG Hong-yu,ZHANG Guang-zhao. Study of the Unfairness on Ad Hoc Multi-Hop Networks[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2004, 43(1): 32-36 |
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| Authors: | SU Ai-guo DONG Hong-yu ZHANG Guang-zhao |
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| Abstract: | The unfairness problem of TCP connections was analyzed, and the DWDB (double Windows dynamic backoff) mechanism to solve this problem was proposed to modify the exponential back-off algorithm and retransmission scheme in 802.11 MAC sub-layer. The proposed mechanism is dynamic and sensitive to the change in the network condition and topology. Also, the simulation results show that the problems mentioned above were solved by using our new method. |
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| Keywords: | Ad Hoc TCP double Windows dynamic backoff (DWDB) |
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