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一种联合路由层信息设计的多跳AdHocMAC层协议 被引量：8

A Joint Route-MAC Layer Design Multi-Hop Ad Hoc MAC Protocol
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摘要 提出了一种单信道多跳Ad Hoc网络的媒体接入层协议.利用全向天线的特点,协议控制帧捎带路由信息,使邻居节点获知节点间路由状态.上游节点的ACK应答直接触发下游节点的CTS握手,形成CTS/DATA/ACK三维交互机制.协议可有效减少网络的握手开销,降低重负载时握手帧的冲突概率.仿真表明,协议可适应不同的拓扑.最好情况下,协议较IEEE 802.11协议的吞吐量约提升16.1%,端到端延时约降低16.8%.改善了多跳Ad Hoc网络性能. A novel medium access control （MAC） protocol for the single-channel multi-hop Ad Hoc network is proposed. Using omni-directional antenna, the control flame tagged with the muting information can be sensed by the neighboring nodes. Furthermore, the ACK message send by the upstream node triggers the CTS-only handshake of the downstream node and,the three-way exchange （CTS/DATA/ACK） is performed. This mechanism lowers the probability of the control message collision in heavy load network. Simulation results demonstrate that with various topologies our proposed scheme can outperform IEEE 802.11 with throughput and delay betterment.
作者 谢海波 崔毅东 徐惠民
机构地区 北京邮电大学电信工程学院
出处 《电子学报》 EI CAS CSCD 北大核心 2006年第12期2129-2133,共5页 Acta Electronica Sinica
基金 国家自然科学基金(No.90204003) 973项目(No.2006CB701306)
关键词 多跳Ad HOC 媒体接入层 IEEE 802.11 DCF MARCH ROADMAP multi-bop Ad Hoc MAC IEEE 802.11 DCF MARCH ROADMAP
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献15

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同被引文献73

  • 1马华东,陶丹.多媒体传感器网络及其研究进展[J].软件学报,2006,17(9):2013-2028. 被引量：186
  • 2杨余旺,于继明,赵炜,郑亚,杨静宇.单跳无线传感器网络能量分析计算[J].南京理工大学学报,2007,31(1):81-84. 被引量：13
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引证文献8

二级引证文献11

电子学报
2006年 第12期

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