Channel selection method and apparatus
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United States of America Patent
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Nov 29, 2016
Grant Date -
Jan 28, 2016
app pub date -
Oct 2, 2015
filing date -
Apr 10, 2013
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Abstract
The present invention provides a channel selection method and an apparatus, relates to the field of communications, can improve channel scan and detection efficiency. The method includes: randomly selecting m channels from a preset channel page; determining, from the m channels, a working channel and a spare channel that meet a preset condition; scanning, the working channel of the first superframes and the spare channel of the first superframes in an inactive period of each of the n first superframes according to preset first scan duration, to acquire n energy levels of the working channel and n energy levels of the spare channel; and determining, in an inactive period of the nth first superframe, a working channel for sending a second superframe and a spare channel of the second superframe according to the n energy levels of the working channel and the n energy levels of the spare channel.
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