Contention free pollable

Contention free pollable

Contention-free pollable (CF-Pollable) is a state of operation for wireless networking nodes. The condition is saying that the node is able to use the Point Coordination Function, as opposed to the Distributed Coordination Function, within a wireless LAN.

A device that is able to use point coordination function is one that is able to participate in a method to provide limited Quality of service (for time sensitive data) within the network.[1][2]

See also

References

  1. ^ "Point Coordination Function (PCF)". wireless-center.net. http://www.wireless-center.net/Building-Wireless/2768.html. Retrieved 2008-02-16. 
  2. ^ "802.11 Medium Access Methods". wi-fiplanet.com. http://www.wi-fiplanet.com/tutorials/article.php/1548381. Retrieved 2008-02-16. 

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  • Contention (telecommunications) — In packet mode communication networks, contention is a media access method that is used to share a broadcast medium.[1] Contents 1 Collision detection and recovery 2 Collision avoidance 3 Common examples …   Wikipedia

  • Point Coordination Function — Point Coordinated Function is a Media Access Control (MAC) technique used in wireless networks which relies on a central node, often an Access Point (AP), to communicate with a node listening, to see if the airwaves are free (ie, all other nodes… …   Wikipedia

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