In this paper, we propose a new cross-layer framework, named QPART (QoS protocol for ad hoc realtime traffic), which provides QoS guarantees to real-time multimedia applications for wireless ad hoc networks. By adapting the contention window sizes at the MAC layer, QPART schedules packets of flows according to their unique QoS requirements. QPART implements priority-based admission control and conflict resolution to ensure that the requirements of admitted real time flows is smaller than the network capacity. The novelty of QPART is that it is robust to mobility and variances in channel capacity and imposes no control message overhead on the network.


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    Titel :

    Distributed QoS guarantees for realtime traffic in ad hoc networks


    Beteiligte:
    Yaling Yang, (Autor:in) / Kravets, R. (Autor:in)


    Erscheinungsdatum :

    2004-01-01


    Format / Umfang :

    581459 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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