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Evaluation of Error Control Mechanisms for 802.11b Multicast Transmissions

PublisherEcole Nationale Superieure d'Ingenieurs de Constructions Aeronautiques
Format124.2KB PDFDate added13 Jun 2009
Topics Wi-Fi (802.11), Mobile - Wireless Communications, Multicasting
Downloads38

This paper presents several packet loss profiles collected during 802.11b multicast transmissions carried out under variable reception conditions (mobile and fixed receivers). Then, an original approach consisting in mapping a posteriori some error control mechanisms over these observations is presented. This approach allows to evaluate the performance of these mechanisms according to their parameters and various channel properties. It is shown in particular that relatively simple mechanisms based on retransmissions and/or error correcting codes of small length achieve very good performance in this context (92% of the best performance).

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