Re: [Madwifi-users] wavemon
Status: Beta
Brought to you by:
otaku
From: Greg C. <ma...@at...> - 2003-10-06 18:16:49
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rssi can changes dramatically from packet to packet depending on environment. wireless tools would normally report the current instantaneous value of rssi which would likely give you the wrong idea. A good rate adaptation or roaming algorithm needs averaging as well, otherwise it would roam or whack the phy rate needlessly. Hence the desire for an averaging technique. g Tom Marshall wrote: > On Mon, Oct 06, 2003 at 12:49:44PM -0400, Henry Qian wrote: > >>I like to thank Tom Marshall for his work on signal/noise/level stats. >>Based on his patch I have a simpler version. This might be over >>simplified to many, but it works for me: >> >>[...] > > > This is what I would have done if left to my own devices. It is indeed much > simpler. But Greg and Sam wanted to do a moving average of signal strength, > which is why I did the rssi history array. > > My patch also contains code to update the signal strength on beacons. This > provides a much nicer signal strength when there is little or no traffic > across the interface (which is typically when you really need to see the > signal strength). > |