[Tinyos-help] Outdoor Range with Tmote sky

[manu suryavansh]

hi,
what is the range when not in line of sight, i thought that the communication in 2.5Ghz frequency range is not affected by line of sight
thank you
manu

Joe Polastre <joe at polastre.com> wrote: As per the datasheet, 1 meter elevated above the ground, line of sight.

For on the ground results, see:
http://www.polastre.com/papers/spots05-telos.pdf

-Joe

On 2/6/07, Xavier Orduña  wrote:
> Hi,
>
> I'm using the tmote sky to deploy a wsn in an outdoor environment. After
> firsts tests, I discovered that when motes are on the floor (without any
> tripod or similar) the maximum range (using max tx power) is no higher
> than 7 or 8 meters. That's very far from the 125 meter range that is
> described in the tmote datasheet.
>
> Does anyone know what are the conditions in which the maximum range is
> 125 meter in outdoor? Does anyone know if I'm doing something wrong (I'm
> using the just unpacked Delta program and a little modification of Delta
> to get sensor data)?
>
> Thanks a lot
>
> Xavi
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>

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