Hi,
I have read the TOSSIM tutorial (11) at the following site:
http://www.tinyos.net/tinyos-2.x/doc/html/tutorial/lesson11.html
This tutorial describes the "add" command, used to create network
topologies, as follows:
"add(src, dest, gain): Add a link from src to dest with gain. When src
transmits, dest will receive a packet attenuated by the gain value."
I am interested in a precise physical definition for the "gain"
referred to in the above definition and the units of measure in which it
should be specified. I am also interested in how the "gain" is
related to the RSSI (in dBm), as measured by the mote "dest", and if there
is a way to predict the RSSI from the gain.
Is it necessary to know the transmit power to know the RSSI, and if
so, then how is the transmit power determined and controlled?
I would appreciate any explanations, as well as citations in the
literature that explain this relationship.
Many thanks for any assistance in advance.
Thanks,
Tal
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