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Where We Are? - Research related to MOVi -

Where We Are? - Research related to MOVi -. Hayoung Yoon hyyoon@nm.gist.ac.kr. What We Offer in the End. Available throughput for STA1. with STA-to-STA. Rate. STA N. without STA-to-STA. T3. STA1. Time. infrastructure. STA3. T2. STA1. Increase mobile VoD system capacity.

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Where We Are? - Research related to MOVi -

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  1. Where We Are?- Research related to MOVi - Hayoung Yoon hyyoon@nm.gist.ac.kr

  2. What We Offer in the End Available throughput for STA1 with STA-to-STA Rate STA N without STA-to-STA T3 STA1 Time infrastructure STA3 T2 STA1 Increase mobile VoD system capacity STA2 T1 STA1

  3. MOVi & Others- Application & Mobility Space - MOVi VoD

  4. System Architecture – 3Q/2009 Local Feedback MOVi Server MOVi Client Data Segment Discovery Data Segment MOVi Client Internet Access Network 1hop Comm. Centralized Controls – Macro Control Device Intelligence – Micro Control Location-awareness Scheduling with Global View Dynamic Spectrum Access Efficient M-CAST Power Control

  5. Related Work for Each Component-To be updated- Scheduling with Global View Dynamic Spectrum Access Efficient M-CAST PMC RBT-based Maximal Greedy P2P-link Scheduling miDLS BMW@LCN04 RMAC@ICPP04 FECMCAST@CCNC07 Range-MCAST@MicNet09 OrderMatters@MobiCom09 CENTAUR@MobiCom09 NetX@MobiComDemo07 …

  6. Scheduling? • Literal definition (Wikipedia) • Scheduling is the process of deciding how to commit resources between a variety of possible tasks. Time can be specified or floating as part of a sequence of events. • Link scheduling: Formal form in wireless networks • There are M possible links for N nodes in the same interference range, decide a link Mi to be active • For MOVi, Link scheduling • Objective: Maximize Throughput Rate (Minimize QoS Deg.) given by Conflicts of interest • For MOVi, Segment scheduling • How to decide Conflicts of interest? • Objective: Balance QoS deg. and rarity given by cache map of each node • Is it “Chicken or the egg Problem”? • Conflicts of interest changes possible links • The out put of a link scheduling changes the conflicts of interest 1 3 2 4 N 5 6

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