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无线多跳Ad hoc网络中MAC机制的公平性与网络容量利用率 被引量：3

Fairness and Network Capacity Utilization Ratio of MAC Mechanism in Wireless Multi-hop Ad hoc Networks
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摘要 高效、公平的MAC协议是目前无线多跳Ad hoc网络研究的关键问题之一。该文在给出一种新的无线多跳Adhoc网络的网络模型前提下,定义了MAC协议公平性、网络容量利用率两个性能参数。给出了一种能在竞争节点间公平共享无线信道并充分利用网络容量的MAC协议(FMAC),仿真比较了FMAC和IEEE802.11DCF的公平性和网络容量利用率。结果表明FMAC能在充分利用网络容量的前提下,实现无线信道在竞争节点间的公平共享。 It is a key issue in wireless multi-hop Ad hoc networks to develop a Media Access Control （MAC） protocol by which the contending nodes can share the wireless channel fairly and can fully utilize the network capacity. Considering the characteristics of wifeless multi-hop Ad hoc networks, such as multi-hop, networks topology changing frequently, and some nodes contending the wireless channel, this paper builds the model of wireless Ad hoc networks and defines two MAC performance parameters： fairness and network capacity utilization ratio. Moreover, this paper proposes a Fair MAC （FMAC） protocol by modifying the IEEE 802.11 DCF. The simulation results prove that FMAC can make the contending nodes share the wireless channel fairly and fully utilize the network capacity.
作者 李云 隆克平 赵为粮 吴诗其 陈前斌
机构地区 重庆邮电学院光互联网及无线信息网络研究中心 电子科技大学光互联网及移动信息网络研究中心成都 电子科技大学光互联网及移动信息网络研究中心
出处 《电子与信息学报》 EI CSCD 北大核心 2007年第2期333-339,共7页 Journal of Electronics & Information Technology
基金 教育部新世纪优秀人才支持计划(NCET) 国家自然科学基金项目(90304004) 重庆市教委项目(KJ50503) 重庆市科委项目(8817)资助课题
关键词 无线多跳Ad HOC网络 介质访问控制 公平性 网络容量利用率 Wireless multi-hop Ad hoc networks Media Access Control （MAC） Fairness Network capacityutilization ratio
分类号 TN915.65 [电子电信—通信与信息系统]
  • 相关文献

参考文献16

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二级参考文献7

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共引文献28

同被引文献24

  • 1吴传霞,范平志,冯军焕.一种Ad Hoc网络信道接入排队退避公平算法[J].系统仿真学报,2004,16(5):1111-1114. 被引量：11
  • 2陈羽中,俞能海,开彩红,刘政凯.一种提高802.11无线Ad Hoc网络公平性的新机制-FFMA[J].电子学报,2006,34(7):1181-1188. 被引量：2
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  • 6Barrent C L,Marathe M V,Engelhart D C,et al.Analyzing the short term fairness of IEEE 802.11 in wireless multi-hop radio networks[C]//MASCOTS '02, Fort Worth, TX, USA, 2002 : 137-145.
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  • 10Nandagopal T,Kim T, Gao X et al.Achieving MAC layer fairness in wireless packet networks[C]//Proc MOBICOM 2000,Boston,MA, 2000: 87-98.

引证文献3

二级引证文献6

电子与信息学报
2007年 第2期

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