HCF - Hybrid Coordination Function

The 802.11e Quality of Service facility defines a new coordination function termed HCF which is only used in QBSS but implemented in all QSTA. The HCF combines functions of the DCF and PCF with some enhanced specific mechanisms and frame subtypes to support the transfer of Quality of Service data across a WiFi network.


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

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