Indeed, especially indoors: we've observed several dBs of difference in signal strength by just moving a node sideways (perpendicular to its line to the transmitter) by 10 cm. There's not much correlation between RSSI and distance, if any. Michiel
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:tinyos-help- > [EMAIL PROTECTED] On Behalf Of Michael Schippling > Sent: maandag 14 april 2008 20:14 > To: shankar satish > Cc: [email protected] > Subject: Re: [Tinyos-help] More accurate RSSI values > > Search around for messages and papers on RSSI localization, > it's not very accurate for many reasons. > MS > > > shankar satish wrote: > > I have been measuring RSSI values on Mica2s. There does not seem to > be > any significant change in RSSI values when the mote separation > changes > by 1m. Noticeable changes seem to happen only once every 5 meters. _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
