I already tried it with good results. At least, now you don't have roaming when you are sitting 5 metres away from the AP. Clearly it works. Again, roaming with moderately low signal levels (-67-70) is still very jumpy On Wed, Dec 18, 2019 at 8:42 PM Ben Greear <greearb@xxxxxxxxxxxxxxx> wrote: > > On 12/18/19 5:25 AM, Pavel Nikulin wrote: > > Hello, > > > > I want to bring to people's attention that there is still an > > outstanding issue with roaming logic defaults. > > > > At around -60 to -70 dbi roaming decisions are still taken due to > > minute disturbances, and at above -50 dbi they are being taken when > > there is no real need to roam. > > > > Current defaults feel to me to be made for non-realistic scenarios. > > You may have a lot of APs in range with -60 to -70 signal levels, and > > none of them be particularly better than each other. You find this a > > lot in office parks. > > > > All of them can have some packet loss, but you will not improve user > > experience by having the roaming happen every few minutes in such > > cases. > > > > Second to that, a minute disturbance like a person passing in front of > > an AP, or something electrically conductive being put near the antenna > > may also easily add or subtract few decibels from the signal level > > quickly. I think there should be at least some moving average used for > > the roaming decision, or better a more advanced filtering method. > > > > Past few patches from Mathew did improve the situation somehow, but I > > myself is still having issues with overly aggressive roaming every > > day. > > > > Have anybody took a look at this patch > > https://www.spinics.net/lists/hostap/msg05792.html ? > > Maybe if you test this patch and see good results, it will help it get > upstream? > > Thanks, > Ben > > > -- > Ben Greear <greearb@xxxxxxxxxxxxxxx> > Candela Technologies Inc http://www.candelatech.com > _______________________________________________ Hostap mailing list Hostap@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/hostap
