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- Network_allocation_vector abstract "The network allocation vector (NAV) is a virtual carrier-sensing mechanism used with wireless network protocols such as IEEE 802.11 and IEEE 802.16 (WiMax). The virtual carrier sensing is a logical abstraction which limits the need for physical carrier-sensing at the air interface in order to save power. The MAC layer frame headers contain a duration field that specifies the transmission time required for the frame, in which time the medium will be busy. The stations listening on the wireless medium read the Duration field and set their NAV, which is an indicator for a station on how long it must defer from accessing the medium.The NAV may be thought of as a counter, which counts down to zero at a uniform rate. When the counter is zero, the virtual CS indication is that the medium is idle; when nonzero, the indication is busy. The medium shall be determined to be busy when the STA is transmitting. In IEEE 802.11, the NAV represents the number of microseconds the sending STA intends to hold the medium busy (maximum of 32,767 microseconds).Wireless stations are often battery-powered, so to conserve power the stations may enter a power-saving mode. A station decrements its NAV counter until it becomes zero, at which time it is awakened to sense the medium again.The NAV virtual carrier sensing mechanism is a prominent part of the CSMA/CA MAC protocol used with IEEE 802.11 WLANs. NAV is used in DCF, PCF and HCF.".
- Network_allocation_vector wikiPageID "11775868".
- Network_allocation_vector wikiPageLength "1850".
- Network_allocation_vector wikiPageOutDegree "12".
- Network_allocation_vector wikiPageRevisionID "673759250".
- Network_allocation_vector wikiPageWikiLink Carrier_sense_multiple_access_with_collision_avoidance.
- Network_allocation_vector wikiPageWikiLink Category:Computer_networking.
- Network_allocation_vector wikiPageWikiLink Category:Media_access_control.
- Network_allocation_vector wikiPageWikiLink Distributed_Coordination_Function.
- Network_allocation_vector wikiPageWikiLink Distributed_coordination_function.
- Network_allocation_vector wikiPageWikiLink IEEE_802.11.
- Network_allocation_vector wikiPageWikiLink IEEE_802.11e-2005.
- Network_allocation_vector wikiPageWikiLink IEEE_802.16.
- Network_allocation_vector wikiPageWikiLink Media_Access_Control.
- Network_allocation_vector wikiPageWikiLink Media_access_control.
- Network_allocation_vector wikiPageWikiLink Point_Coordination_Function.
- Network_allocation_vector wikiPageWikiLink Point_coordination_function.
- Network_allocation_vector wikiPageWikiLink Station_(networking).
- Network_allocation_vector wikiPageWikiLinkText "Network allocation vector".
- Network_allocation_vector hasPhotoCollection Network_allocation_vector.
- Network_allocation_vector wikiPageUsesTemplate Template:Compu-network-stub.
- Network_allocation_vector wikiPageUsesTemplate Template:Unreferenced.
- Network_allocation_vector subject Category:Computer_networking.
- Network_allocation_vector subject Category:Media_access_control.
- Network_allocation_vector hypernym Mechanism.
- Network_allocation_vector type Organisation.
- Network_allocation_vector comment "The network allocation vector (NAV) is a virtual carrier-sensing mechanism used with wireless network protocols such as IEEE 802.11 and IEEE 802.16 (WiMax). The virtual carrier sensing is a logical abstraction which limits the need for physical carrier-sensing at the air interface in order to save power. The MAC layer frame headers contain a duration field that specifies the transmission time required for the frame, in which time the medium will be busy.".
- Network_allocation_vector label "Network allocation vector".
- Network_allocation_vector sameAs Netzbelegungsvektor.
- Network_allocation_vector sameAs m.02rrwpp.
- Network_allocation_vector sameAs Q1460774.
- Network_allocation_vector sameAs Q1460774.
- Network_allocation_vector wasDerivedFrom Network_allocation_vector?oldid=673759250.
- Network_allocation_vector isPrimaryTopicOf Network_allocation_vector.