Where We Are? - Research related to MOVi - Hayoung Yoon

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Presentation transcript:

Where We Are? - Research related to MOVi - Hayoung Yoon

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

MOVi & Others - Application & Mobility Space - VoD MOVi

System Architecture – 3Q/2009 MOVi Server MOVi Server MOVi Client MOVi Client MOVi Client MOVi Client Local Feedback Data Segment Data Segment Discovery Access Network1hop Comm.Internet Centralized Controls – Macro Control Device Intelligence – Micro Control Device Intelligence – Micro Control Dynamic Spectrum Access Dynamic Spectrum Access Efficient M-CAST Efficient M-CAST Power Control Power Control Location- awareness Scheduling with Global View

Related Work for Each Component -To be updated- Dynamic Spectrum Access Dynamic Spectrum Access Efficient M-CAST Efficient M-CAST Scheduling with Global View miDLS PMC RBT-based Maximal Greedy P2P-link Scheduling …

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 N N 4 4 Link scheduling: Formal form in wireless networks – There are M possible links for N nodes in the same interference range, decide a link M i 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