Networking

Mobility and QoS of 802.11 and 802.11e Wireless LAN Standards

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Executive Summary

Quality of service is a key problem in wireless environments where bandwidth is scarce and channel conditions are time varying and sometimes implies highly packet losses. IEEE 802.11b/g/a wireless LAN are the most widely used WLAN standards today, and the IEEE 802.11e quality of service enhancement standard exists and introduces quality of service support for multimedia applications. This paper compares the propositions of standard IEEE 802.11e with the standard IEEE 802.11 without quality of service, a simulation of these standards is performed by using the network simulator simulator. The authors test also the mobility and the roaming of stations.

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