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Dwell Time In Probe Request Presentation

Learn how communication of dwell time in probe requests reduces airtime consumption by management frames in congested environments. Discover solutions to minimize probe response problems and improve airtime utilization. Author: Peter Khoury, Ruckus Wireless.

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Dwell Time In Probe Request Presentation

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  1. Dwell Time In Probe Request Presentation Authors: • Date:2016-01-18 Peter Khoury, Ruckus Wireless

  2. Abstract • Communication of client channel dwell time in a probe request would help decrease the amount of airtime consumed by management frames particularly in a congested environment. Peter Khoury, Ruckus Wireless

  3. Airtime Utilization in High Density Environment • Management Traffic can consume substantial amounts of airtime. • Beacons up to 8-9% • Probe Responses up to 9-10% Peter Khoury, Ruckus Wireless

  4. Probe Response Problem in Congested Network • If an AP cannot successfully transmit a Probe Response in the client Off Channel Scan dwell time, MinChannelTime, a significant amount of airtime may be consumed for Probe Response management traffic by APs transmitting to a client that has changed channels. Peter Khoury, Ruckus Wireless

  5. Probe Request Solution to Problem • Problem is solved by the transmission of dwell time, MinChannelTime and MaxChannelTime, in the broadcast Probe Request. AP2 will not send Probe Responses unnecessarily. Peter Khoury, Ruckus Wireless

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