Backup channel selection in wireless LANs
First Claim
1. A method for coping with interference in a wireless network comprising the steps of:
- analyzing a plurality of alternate operating channels;
ranking the alternate operating channels according to interference detected when analyzing the channels; and
if a decision is made to move to an alternate operating channel, selecting the best ranked alternate operating channel.
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Accused Products
Abstract
Potential alternate channels in a wireless network are periodically analyzed and ranked in terms of interference. The best ranked alternate channel is selected as the new operating channel if a decision is made to move from the current operating channel to an alternate channel. Because the potential alternate channels are pre-ranked, the move to the new channel can be executed relatively quickly, and with reduced risk of encountering unacceptable interference conditions. Various ranking categories may be used, including but not limited to a first category that is relatively free of interference, a second category that has some interference but will support degraded communications, and a third category that has an unacceptable level of interference. Within a given rank, preference may be given to channels that were most recently analyzed and ranked.
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Citations
28 Claims
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1. A method for coping with interference in a wireless network comprising the steps of:
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analyzing a plurality of alternate operating channels;
ranking the alternate operating channels according to interference detected when analyzing the channels; and
if a decision is made to move to an alternate operating channel, selecting the best ranked alternate operating channel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. Apparatus operable to mitigate the effects of interference in a wireless network comprising:
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processing logic operable to analyze a plurality of alternate operating channels;
processing logic operable to rank the alternate operating channels according to interference detected when analyzing the channels; and
processing logic operable to select the best ranked alternate operating channel if a decision is made to move to an alternate operating channel. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification