EDCAF - Enhanced Distributed Channel Access Function

This is a term used in IEEE (Institute of Electrical and Electronics Engineers) 802.11 networks which are supporting the QoS (Quality of Service) enhancements originally defined in the 802.11e standard. When supporting the EDCA (Enhanced Distributed Channel Access) mode of operation, the EDCAF is responsible for the control of the data streams for each of the four defined access categories.

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