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From: Kyungsoo Lee <ulsanrub@gmail.com>
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Subject: Disable CCA
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Hi guys,

I'm using TDMA  on FreeBSD for wireless LAN. Recently, I found that it still
uses CCA.

Is it possible to turn off CCA? Or may I change carrier sense threshold not
to detect other's transmissions when the node transmits data packets?

Thanks,
Kyungsoo