A link adaptation strategy for QoS support in IEEE 802.11e-based WLANs

Wireless local area networks represent one of the most interesting technological improvements in the last period. Many people are using WLAN commonly just to connect to the Internet or for e-mail downloading. WLAN do not offer at the moment a satisfactory QoS support for multimedia traffic. The aims of the IEEE 802.11e standard is to develop some schemes for supporting multimedia traffic in an in-home environment. On the other hand, in the last few years link adaptation has gained a lot of attention due to its improvement to the channel occupancy and capacity optimization. In this paper a link adaptation algorithm suitable for using in a WLAN, based on the IEEE 802.11e draft, with QoS support is proposed.