Preemptive dynamic frequency selection

Details Preemptive dynamic frequency selection Preemptive dynamic frequency selection

2003-12-16

2009-02-03

Shah, Chirag G (Department: 2616)

Multiplex communications

Fault recovery

Bypass an inoperative channel

C370S329000, C370S343000

Reexamination Certificate

active

07486616

ABSTRACT:
Briefly, in accordance with one embodiment of the invention, an access point may preemptively broadcast an alternate channel to switch to, along with an indication of the beacon timing for the alternate channel, prior to any catastrophic interference. The access point may switch to the alternate channel in the event of interference on the original channel without attempting to broadcast the alternate channel during the interference event. A mobile user may then know in advance of the interference event which alternate channel the access point switched to and may switch to the alternate channel.

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