I have no Idea.
My guess is that the radio is transmitting the ack with the last Tx power
that was set.
So if the other mote is also transmitting at low power.
BTW, if you want to transmit at the same (low) power all the time, it's
better to define so (for instance CC2420_DEF_RFPOWER) in the makefile.

But this is my personal assumption.

Arik


On Thu, Mar 11, 2010 at 10:55, Vikram vik76 <[email protected]> wrote:

> If that is the case, then how do we ensure that two motes are having
> low power communication along with Acks.
>
> Vikram
>
> On Thu, Mar 11, 2010 at 12:32 PM, Arik Sapojnik <[email protected]>
> wrote:
> > I think that your doubt is absolutely true.
> > The receiver side have no knowledge regarding your transmission power.
> >
> > Arik
> >
> >
> > On Thu, Mar 11, 2010 at 07:27, Vikram vik76 <[email protected]> wrote:
> >>
> >> Hello,
> >> I set the transmission power to a low value for a given packet using
> >> setPower(message_t *p_msg, uint8_t power).
> >> I also set the acknowledgement for it using
> >> PacketAcknowledgements.requestAck(message_t *msg) interface.
> >>
> >> Now, my doubt is, whether the Ack that has been received will have the
> >> same transmission power which I had set for sending the original
> >> packet.
> >>
> >> Thanks
> >> Vikram
> >> _______________________________________________
> >> Tinyos-help mailing list
> >> [email protected]
> >>
> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
> >
> >
> >
> > --
> > Best Regards,
> > Arik Sapojnik
> >
>



-- 
Best Regards,
Arik Sapojnik
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