Exploiting Multimedia Frame Semantics and MAC-Layer Enhancements for QoS Provisioning in IEEE 802.11e Congested Networks

Wireless Local Area Networks (WLANs) supporting modern streaming multimedia applications constitute a very challenging and rapidly changing field of research. Towards implementing effective multimedia wireless networks, the IEEE has published the "State of the art" IEEE 802.11e standard, which introduced a QoS-aware MAC-layer along with a series of efficiency enhancements. However, it has been proven inadequate in handling multimedia traffic optimally in periods of congestion. For the efficient support of multimedia applications in high load situations, numerous mechanisms have emerged, most of them focusing on altering the static nature of resource allocation specified in IEEE 802.11e.
Provided by: University of Macedonia Topic: Mobility Date Added: Sep 2011 Format: PDF

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