Dan, Regarding the subject of autoconnection to a favourites list. The changes proposed by our team include not only changing the selection algorithm to the one you proposed, but also to change the way the strength is calculated.
We've made tests on the XO's quality reports by the driver and have noticed that it has a bug where the tx_retries are never being reset. That's the reason for not choosing the Q that comes from the driver. In order to accomplish our goals in the autoconnection feature for the XO we've decided to choose a SNR type of measurement for the quality. As I've seen the method "wireless_qual_to_percent" is only used inside nm_device_wifi and in functions relating to updating and setting the value for the AP. Our goal is to modify as little as possible, while accomplishing our goals. I would really appreciate your feedback if you see any inconveniences in these changes. Thank you so much for your answers. Cheers, 2010/6/5 Dan Williams <[email protected]> > On Thu, 2010-05-27 at 05:56 +0200, Frederik Nnaji wrote: > > On Tue, May 25, 2010 at 18:45, Franco Miceli > > <[email protected]> wrote: > > Therefore we want to to make some changes to the NM code in > > order to take into consideration other factors such as: SNR, > > loss %, etc. > > > > > > will you considered working on a UI for manually selecting and > > configuring a symbolic visual representation of known APs currently > > within range/sight? > > This would also help with GeoLocation, since it could use "strength" > > to approximate My position by the nearness of a known AP currently > > within sight. > > We've thought about strength for a while, but in the end it doesn't work > very well. There are simply too many things that can affect AP signal > strength to use it as a reliable measure of where you are. It's better > to use *more than one* AP and triangulate to get better accuracy than > just 100m radius of one AP's known location. Using only one AP, if > somebody turns on a microwave or uses a 2.4GHz DECT phone, suddenly it > looks like you're 30 meters farther away from the AP than you were 10 > seconds ago... > > Dan > > -- Ing. Franco Miceli CITS - Plan Ceibal - Investigación & Desarrollo Av. Italia 6201 - Montevideo, Uruguay CP: 11500 Tel: (598 2) 601 5773 int.: 2227
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