WiFi Insider - WMM QoSA Brief Introduction to IEEE 802.11e In IEEE 802.11e, two types of QoS are identified � prioritized QoS and parameterized QoS. Prioritized QoS is a weak requirement that enforces relative priority between traffic classes. Parameterized QoS, on the other hand, is a strict requirement expressed quantitatively in terms of the QoS parameters. A new access mechanism (called as HCF � Hybrid Coordination
