NAV - Network Allocation Vector

The Network Allocation Vector is used within IEEE 802.11 networks to prevent Stations accessing the wireless medium and causing contention. The NAV is an indicator, maintained by each Station, of time periods when transmission will not be initiated even though the Stations CCA (Clear Channel Assessment) function does not indicate traffic on the medium.


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

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