More APs with single SSID
newuse at qip.ru
Sat Jan 26 15:05:54 PST 2013
You are talking abut roaming solution, hostapd does support 802.11r, you should try it, but unfortunately not all cpe/supplicants do support it too...
also Atheros-based SoCs support sensitivity threshold it could also help....
??? 27 ??? 2013 00:07:50 +0400, Milan Krm <krcmar at datinel.cz> ???????:
> Hello and sorry for a more general question which is not directly
> connected to hostapd.
> I have tried to solve it many times again and again in last years: I
> have several APs in a single building, all connected to a shared
> ethernet segment, all broadcasting the same SSID.
> STAs, typically Windows XP/7 notebooks, often associate to a
> particular AP and preserve the association as long as possible: you
> can move such an STA to another AP, which has stronger signal, but the
> STA stays associated to the original AP, even if it has a very weak
> signal - the STA just lowers modulation speed to cope with the weak
> signal. The STA stays associated to the weaker AP for tens of minutes
> - until the user loses patience and chooses to disconnect from the
> SSID and reconnect again. Then only STA associates with the stronger
> I would like to solve this general problem for future deployments. In
> general, we can use Linux-based APs with recent Atheros Wi-Fi SoCs, so
> we can adapt them fully to our needs. This is very problematic even
> with small setups: four rooms, strong walls, three APs, user moves
> with his notebook/smartphone from one room to another and is forced to
> manualy switch off/on the Wi-Fi to associate with stronger AP within
> the same SSID. Some users even prefer to use different SSIDs and have
> full control over the unreliable roaming.
> The only solution I think I have found so far is to watch STA's signal
> on AP it is associated with and kick the STA when the signal falls
> below some pre-defined level. Have I missed any better solution?
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