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一种基于IEEE 802.11 PSM的增强节能机制 被引量：1

Enhanced Power Saving Scheme for IEEE 802.11 PSM
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摘要 分析了IEEE802.11分布式协调功能的能量节省机制,针对其采用一种固定信号时隙的局限性,提出了一种自适应节能机制。新机制采用三种信号时隙,由节点根据自己的数据流量动态选择其中一种。仿真结果表明,此机制在保持较高的吞吐量的同时,不仅大幅地提高了能量利用率,还明显地降低了时延。 Power management is an important technique to prolong the lifetime of battery-powered wireless Ad Hoe networks. This paper analyzes the Power Saving Mechanism （PSM） of IEEE 802.11 Distributed Coordination Function （DCF） and presents a self-adaptive power saving mechanism, which consists of three different beacon intervals. In the new scheme the node selects one of the three beacon intervals dynamically, depending on its traffic. Simulation results show that the new scheme not only improves the efficiency of energy greatly but also achieves desirable transmission delay and throughput.
作者 伏飞 刘晶 齐望东 沈洋
机构地区 解放军理工大学指挥自动化学院
出处 《电子科技大学学报》 EI CAS CSCD 北大核心 2006年第6期883-886,共4页 Journal of University of Electronic Science and Technology of China
关键词 IEEE 802.11节能机制 AD HOC网络 信号时隙 能量利用率 IEEE 802.11 PSM Ad Hoe networks beacon interval efficiency of energy
分类号 TN925.93 [电子电信—通信与信息系统]
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参考文献5

  • 1Feeney L M,Nilssson M.Investigating the energy consumption of a wireless network interface in an ad hoc networking environment[C]//INFOCOM 2001,Alaska,2001.
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同被引文献10

  • 1Rozner E,Navda V,Ramjee R,et al.NAPman:Network-Assisted Power Management for WiFi Devices[C]//Proceedings of the 8th International Conference on Mobile Sysums,Applications,and Services(ACM MobiSys ' 10).San Francisco,USA:ACM Press,2010.
  • 2Akin S,Gursoy M C.Effective capacity analysis of cogritive radio channels for quality of service provisioning[J].IEEE Transactions on Wireess Communications,2010,9(11):3354-3364.
  • 3IEEE Computer Society.IEEE Std 802.11,Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications[S].Danvers,MA,USA:Clearance Center,2007.
  • 4Chen X,Xie Y,Wang C.Implementation and Analysis of IEEE 802.11 PSM in NS-2[C]//Proceedings of lnternational Conference on Machine Learning and Cybernetics.Guilin:IEEE Press,2011:1250-1255.
  • 5Miao G,Himayat N,Li Y G,et al.Cross-layer optimization for energy-efficient wireless communications:a survey[J].Wireless Communications and Mobile Computing,2008,9(4):529-542.
  • 6Dogar F R,Steenkiste P,Papagiannaki K.Catnap:exploiting high bandwidth wireless interfaces to save energy for mobile devices[C]//Proceedings of the 8 th International Congerece on Mobile Systems,Applications,and Services (ACM MobiSys ' 10).San Francisco,USA:ACM Press,2010.
  • 7Lin H,Huang S,Jan R.Apower-satingscheduling for infrastructure-mode 802.11 wireless LANs[J].Computer Communications,2006,29(17):3483-3492.
  • 8Feeney L M,Nilssson M.Investigating the energy consumption of a wirenetwork interface in an ad hoc networking environment[C]//Proceedings of IEEE INFOCOM 2001,the Conference on Computer Commmications.Alaska,USA:IEEE Press,2001:1548-1557.
  • 9Zhu Y.Efficient power management for infrastructure IEEE 802.11 WL4Ns[J].IEEE Transactions on wireless communications,2010,9(7):2196-2205.
  • 10Chen X,Jin S.M-PSM:mobility-aware power save mode for IEEE 802.11 WLANs[C]// Proceedings of International Conference on Distributed Computing Systems (ICDCS).Minneapolis,Minnesota,USA:rEEE Conputer Society,2011.

引证文献1

电子科技大学学报
2006年 第6期

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