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具有GPS信息的邻居图切换算法 被引量:1

Neighbor Graph Handoff Mechanism with GPS Information
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摘要 IEEE802.11标准的MAC层协议支持节点的移动性通信,但是它的切换功能存在很大的局限性不能满足移动用户的需要。文中提出了一种利用GPS定位信息的邻居图(NG)快速切换算法(GPS_NG)。它的使用增强了无线局域网(WLAN)的切换功能,并且大大减少了切换延迟。 The MAC protocol of IEEE802.11 Standard can support the user's mobile communication.But it provides a limited handoff mechanism that dose not satisfy mobile user's claim.This paper introduces Neighbor Graph mechanism with GPS information which can enhance the handoff mechanism of 802.11WLAN,and greatly reduce user's handoff latency.
出处 《通信技术》 2006年第S1期120-122,127,共4页 Communications Technology
基金 国家863基金资助项目(NO.2002AA123021)
关键词 802.11WLAN 邻居图 全球地理定位系统 切抉 802.11WLAN neighbor graph GPS handoff
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参考文献6

  • 1Mishra A,Shin M,Arbaugh W A.Context Caching using Neighbor Graphs for Fast Handoffs in a Wireless Network[].IEEE Infocom.2004
  • 2IEEE Standards Department.IEEE standard for wireless LAN medium access control (MAC)and physical layer (PHY)specifications[].IEEE Standard.1999
  • 3A.Mishra,,M.Shin,,W.Arbaugh.An empirical analysis of the IEEE802.ll MAC Layer Handoff Proeess[].ACM SIGCOMM ComPCommunRev.2003
  • 4M.Shin,A.Mishra,W.Arbaugh.Improving the Latency of 802.11 Hand-offs using Neighbor Graphs[].ProcACM Mobisys.2004
  • 5Hye-Soo Kim,Sang-Hee Park,Chun-Su Park,Jae-Won Kim,and Sung-Jea Ko.Selective Channel Scanning for Fast Handoff in Wireless LAN using Neighbor Graph. Proceeding in ITC-CSCC2004 . July6-82004
  • 6Pack Sangheon,Jung Hakyung,Kwon Taekyong,et al.SNC:a selective neighbor caching scheme for fast handoff in IEEE 802.11 wireless networks[].The Proceeding of IEEE International Conference on Communications.2005

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