EDCA - Enhanced Distributed Channel Access

The term EDCA is used in wireless networks supporting the IEEE 802.11e Quality of Service enhancement. It supports differentiated and distributed access to the Wireless Medium using eight different user priority sub fields supporting four different Access Categories. These are Voice, Video, Best Effort and Background.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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