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Date:      Sat, 18 Mar 2006 04:30:19 +0000
From:      Bruce M Simpson <bms@spc.org>
To:        Kan Cai <kcai@cs.ubc.ca>
Cc:        freebsd-net@freebsd.org, freebsd-mobile@freebsd.org
Subject:   Re: Wireless sensing function is missing?
Message-ID:  <20060318043019.GR37590@spc.org>
In-Reply-To: <Pine.LNX.4.60.0603171355470.9710@lore.cs.ubc.ca>
References:  <Pine.LNX.4.60.0603171355470.9710@lore.cs.ubc.ca>

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On Fri, Mar 17, 2006 at 02:00:28PM -0800, Kan Cai wrote:
>   I wonder if this is true that sensing function is missing? If yes, is it 
> supposed to be implemented in the driver or net80211 layer? Thanks in 
> advance!

It's a function of the 802.11 hardware. I assume you're describing the
CSMA/CA technique. The Coordination Function (CF) in use will also have
an effect but you don't specify if you're in IBSS or EBSS mode.

How are you getting these figures anyway?

Regards,
BMS



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