Access Coordination Function

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
ACF
Pronunciation
/ˈækˌsɛs koʊˌɔrdəˈneɪʃən ˈfəŋkʃən/
Category
Computing
Related Field
Telecom

Examples in Context

  1. IEEE 802.11, which is the main standard for WLAN products, can not provide QoS support by its MAC ( Media Access Control ) coordination function – DCF ( Distributed Coordination Function ) and PCF ( Point Coordination Function ).
  2. It introduces a new coordination function, called Hybrid Coordination Function ( HCF ). HCF contains two access mechanisms : the Enhanced Distributed Channel Access ( EDCA ) and Hybrid Coordination Function Controlled Channel Access ( HCCA ).
  3. The basis of IEEE 802.11 wireless LAN Medium Access Control ( MAC ) is Distributed Coordination Function ( DCF ).
  4. As to contention access function, our research focused on the distributed coordination function ( DCF ) and enhanced distributed channel access ( EDCA ) of WLAN.

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