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|Titolo:||Improving the QoS support in HCCA-EDCA mixed IEEE 802.11e networks|
|Autori interni:||CECCHETTI, Gabriele|
RUSCELLI, Anna Lina
|Data di pubblicazione:||2010|
|Abstract:||The multimedia applications require the network to provide a trustworthy service suitable to meet their Quality of Service and real-time requirements, managing efficiently the available resources. In this paper we present a performing solution for the multimedia support over IEEE 802.11e networks that aims to combine both its Medium Access Control functions, Enhanced Distributed Channel Access (EDCA) and Hybrid Coordination Function (HCF) Controlled Channel Access (HCCA), in order to reduce the experienced delay. The proposed scheduler, local to the node, cooperates with the centralized HCCA scheduler, integrating the offered service using the EDCA available resources. The simulations show that the overall scheduler improves the performance with respect to the HCCA schedulers in terms of scheduling efficiency and delay, allowing to guarantee the expected service level.|
|Appare nelle tipologie:||4.1 Contributo Atti Congressi/Articoli in extenso|
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