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泊松分布站点TCP流在WLANs中的吞吐量分析与验证 被引量：2

Analysis and verification of TCP goodput of poisson distribution station over WLANs
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摘要 分析了Bianchi G提出的IEEE 802.11MAC DCF的吞吐量模型,在其基础上扩展了重传限制和在其离散马尔科夫链中增加了不退避直接传输状态,修正并完善了该经典模型,同时提出了在一定时间内BSS中接入AP的无线站点数目符合泊松分布的假设,并给出了对应模型和计算吞吐量的量化表达式,最后通过仿真AP到无线站点的单向TCP流,验证了提出的模型的合理性和有效性。 By analyzing the throughput model of IEEE 802. 11 MAC DCF put forward by Bianchi G, the retransmitting limit is extended and the state of direct transmission with no backing off is added in its discrete Markov chains to refine and perfect the classic model. The following assumption is proposed： the number of wireless stations accessing to AP in BSS met poisson distribution within a certain period of time. Under this assumption, both of the corresponding model and the quantified expression of calculating its goodput are provided. The rationality and effectiveness of the proposed model are verified with emulation of unidirectional TCP flow from AP to wireless stations.
作者 廖勇 杨士中 王丹
机构地区 重庆大学通信与测控中心
出处 《重庆大学学报（自然科学版）》 EI CAS CSCD 北大核心 2011年第6期92-97,104,共7页 Journal of Chongqing University
基金 CNGI2005示范工程资助项目(CNGI-04-4-2D) 中央高校基本科研业务费专项资金资助项目(XDJXS11161157)
关键词 传输控制协议 离散马尔科夫链 泊松分布 服务质量 TCP discrete markov chains poisson distribution QoS
分类号 TN925 [电子电信—通信与信息系统]
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参考文献15

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同被引文献21

  • 1程远,张源,高西奇.差错信道下无线局域网丢包率性能分析[J].通信学报,2007,28(5):126-131. 被引量：13
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  • 3Yue Xiao-nan, Wong Chi-fai, and Gary Chan S H. CACAO: distributed client-assisted channel assignment optimization for uncoordinated WLANs[J]. IEEE Transactions on Parallel and Distributed Systems, 2011, 22(9): 1433-1440.
  • 4Farsi A, Achir N, and Boussetta K. Heuristic approaches for access points deployment and frequency assignment in WLANs[C]. Global Information Infrastructure Symposium, IEEE Computer Society: Da Nang, Vietnam, 2011: 1-7.
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  • 6Zhang Heli, Ji Hong, and Ge Wen-dong. Channel assignment with fairness for multi-AP WLAN based on distributed coordination function[C]. IEEE Wireless Communications and Networking Conference (WCNC), Cancun, Mexico, 2011: 392-397.
  • 7Mishra A, Banerjee S, and Arbaugh W. Weighted coloring based channel assignment for WLANs[J]. Sigmobile Mobile Computing and Communications Review, 2005, 3(11): 19-31.
  • 8Wang C, Lin T, and Chen J L. A cross-layer adaptive algorithm for multimedia QoS fairness in WLAN environments using neural networks[J]. IET Communications,2007, 1(5): 858-865.
  • 9Du K L, Swamy M N S, and Ni Qiang. A dynamic spectrum access scheme for cognitive radio networks[C]. Canadian Conference on Electrical and Computer Engineering, CCECE '09, IEEE, St. John's, NL, Canada, 2009: 450-454.
  • 10Mohammed R J and Ahmad R S. Efficient and distributed SINR-based joint resource allocation and base station assignment in wireless CDMA networks[J]. IEEE Transactions on Communications, 2011, 59 (12): 3388-3399.

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重庆大学学报（自然科学版）
2011年 第6期

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