On Sep 5, 2006, at 9:44 AM, Tarun Bansal wrote:
Right...The simple path loss model:
PowerReceived = PowerTransmitted / PathLoss
where PathLoss = (4*pi*distance/Wavelength)^(path loss exponent)
won't be sufficient in all cases.
Some other exhaustive path loss model will have to be used. A lot of
such models should be already available in "Communications"..
That would be sufficient
The issue is that the simple path loss models don't really reflect
what motes observe. There are hardware variations, uneven
propagation, receiver/transmitter calibration issues, etc. One of the
important observations of all of the RSSI-based localization work has
been that RSSI is *not* as regular as you'd like, and this is where
all of the challenges come from.
Phil
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