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後卓越計畫進度報告

後卓越計畫進度報告. 陳志成教授實驗室 2007/06/04. Outline. WiMAX Mobility Management Architecture Anchored Mobility Relocation Process Relocation Costs RED-Based Relocation Mechanisms Future Works. Architecture. Anchored mobility. Relocation Process. Relocation Cost. in Anchor ASN GW

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後卓越計畫進度報告

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  1. 後卓越計畫進度報告 陳志成教授實驗室 2007/06/04 May 19, 2007

  2. Outline • WiMAX Mobility Management Architecture • Anchored Mobility • Relocation Process • Relocation Costs • RED-Based Relocation Mechanisms • Future Works June 04, 2007

  3. Architecture June 04, 2007

  4. Anchored mobility June 04, 2007

  5. Relocation Process June 04, 2007

  6. Relocation Cost • in Anchor ASN GW • handoff latency = L2_handoff latency + re-authentication latency + MIP procedure latency • ASN GW’s load = served MNs’ traffic load + anchored MNs’ traffic load June 04, 2007

  7. RED-based Relocation Mechanisms • Weighted Moving Average of Drop Ratio (WMADR ): • resolve burst traffic problem • SDI : Static Detection Interval • DDR : Dynamic Detection Interval June 04, 2007

  8. RED-based Relocation Mechanisms June 04, 2007

  9. Future Works • Compare the performance gain by using simulation • Using prediction mechanisms to early predict the load • Using different matrices to deal with relocation problem January 5, 2007

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