Browsing Recerca: tesis by Subject "QoS"

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  • A cross-layer mechanism for QoS improvements in VoIP over multi-rate WLAN networks
    Sfairopoulou, Anna (Universitat Pompeu Fabra, 2011-04-12)
    In IEEE 802.11 WLANs, Link Adaptation mechanisms, which choose the transmission rate of each node, provoke unexpected and random variations on the effective channel capacity. When these changes are towards lower bitrates, ...
  • Flow-level QoS guarantees in IEEE 802.11e EDCA-based WLANs
    Bellalta, Boris (Universitat Pompeu Fabra, 2011-04-12)
    Les xarxes WLANs possibiliten un accés de banda ampla a Internet des <br/>d'un terminal mòbil, essent una possible solució alternativa a les <br/>xarxes cel·lulars. Tanmateix, aquest tipus de tecnologia presenta certes ...

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