But I think we agreed that you can't control the ack power, no? :)
It will be transmitted with the same power: CC2420_DEF_RFPOWER.

Arik


On Thu, Mar 11, 2010 at 12:39, Vikram vik76 <[email protected]> wrote:

> Yes, I too think changing the default RF power using
> CC2420_DEF_RFPOWER may solve this.
> But then, it will be difficult to have different RF powers for ACK
> messages using PacketAcknowledgements.requestAck(message_t *msg)
> interface.
>
> Thanks.
>
> On Thu, Mar 11, 2010 at 4:00 PM, Arik Sapojnik <[email protected]> wrote:
> > 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
> >
>



-- 
Best Regards,
Arik Sapojnik
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