[Tinyos-help] Fwd: Changing TX_POWER

[Bernardo Avila Pires]

By the way, why isn't the CC1000 stack treated the same way
(packet-based TX power control)? No maintainers, or is it due to
device characteristics?

2007/12/1, Vijayant Bhatnagar <vijayant.rutgers at gmail.com>:
> Hi Phil,
> Right now we are using TOSSIM 2 based simulation environment. I studied your
> reply carefully and implemented CC2420ActiveMessageC interface for setting
> TX power on per packet basis. However, I also found one more thread :
> http://www.mail-archive.com/tinyos-help@millennium.berkeley.edu/msg14660.html
> wherein you have clearly mentioned that TOSSIM doesnt support changing
> tx_power functionality.
> Is there any way/fix to change power on per packet basis ?  Changing power
> is very much crucial to our research.  Most of the things that we are trying
> to do depends on changing  transmitter power.
>
> Any help is appreciated.
>
> Thanks,
> Vijayant Bhatnagar.
> Rutgers.
>
>
> On Nov 28, 2007 1:53 AM, Philip Levis <pal at cs.stanford.edu> wrote:
> >
> >
> > On Nov 27, 2007, at 10:34 PM, Vijayant Bhatnagar wrote:
> >
> > > Hi,
> > > We found out that CC2420 does not support changing power at runtime :
> > >
> http://www.mail-archive.com/tinyos-help@millennium.berkeley.edu/
> > > msg13680.html
> > >
> > > Is there any development / fix for this ? If not, can any one give
> > > us some cue on how to do this.
> > >
> > > Help appreciated.
> > >
> > >
> >
> > Read the thread more carefully. You can set the power level on a per-
> > packet basis. Creating a simple shim sender component that sets all
> > transmissions to a given power level should be pretty easy. It would
> > be a generic configuration (e.g., PowerAMSenderC) that instantiates
> > an AMSenderC, a generic module that has provides/uses AMSend and adds
> > a set power call, and a singleton module to store the packet power
> > level.
> >
> > Phil
> >
>
>
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