[Tinyos-help] TOSSIM Gain and RSSI

Aleksandr N. Sadkov axel at wl.unn.ru
Sun Jul 1 23:37:04 PDT 2007


> 
> > Gain is the attenuation of the signal between the two nodes. It is in
> dB.
> >
> > Currently, TOSSIM assumes that nodes transmit at 0dBm. The idea is that
> one could include simulation support for changing the TX power level.
> Currently there isn't such support.
> >
> > Therefore, if you have an attenuation of -85dB and a constant noise
> floor of -90dBm, your SNR will be 5dB.
> >
> > Phil
> 
>      What would the RSSI (in dBm) at "dest" be in this situation?
> 
> Thanks,
> Tal
> 

Hello Tal,

If you have an attenuation of -85dB and TX power level 0 dBm (as mentioned
above) then you will have RSSI -85 dBm at destination point.

Regards, Aleksandr.


wbr, Sadkov Aleksandr
axel at wl.unn.ru
www.sumkino.com
www.wl.unn.ru



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