> RSSI is measuring power, it does not matter quite much > whether it comes from noise, interference or useful signal.
Yes. Take a look at Fig. 2 in [1], where you can see RSSI measured with high frequency on a telos node while two frames (IEEE 802.15.4 DATA + WLAN Beacon) collide. There is rise in RSSI, because the "colliding packet" is stronger. Jan [1] http://www.tkn.tu-berlin.de/publications/papers/hauer_ewsn2010.pdf On Wed, Jun 15, 2011 at 5:00 PM, Sergio Valcarcel <[email protected]> wrote: > Hello Peng, > it is quite simple. RSSI is measuring power, it does not matter quite much > whether it comes from noise, interference or useful signal. > That is the reason because there is another quality indicator which measures > signal to noise ratio. > Cheers! > Sergio > > On Wed, Jun 15, 2011 at 4:14 PM, Peng Du <[email protected]> wrote: >> >> Hello everyone, >> >> I always thought the RSSI value read from received packets would fall >> as the interference grows. However I just found that the reading >> actually rises when I switch on a commercial interference generator.. >> >> Would anyone point out why this is happening? Thanks very much. >> >> Regards, >> >> Peng >> _______________________________________________ >> Tinyos-help mailing list >> [email protected] >> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > > > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
