[Ns-bugs] [Bug 917] Transmission power level cannot be changed (value is hard-coded to 0)

[code@nsnam.ece.gatech.edu]

http://www.nsnam.org/bugzilla/show_bug.cgi?id=917





--- Comment #6 from Tom Henderson <tomh at tomh.org>  2010-07-21 13:26:17 EDT ---
(In reply to comment #5)
> (In reply to comment #4)
> > Nicola, how does this relate to the goal of aligning the phy/mac interface
> > between WifiMac and SpectrumPhy?  I see that spectrum devices do not pass a
> > transmit power across the boundary; e.g. 
> > HalfDuplexIdealPhy::StartTx (Ptr<Packet> p)
> 
> I think that it does not matter: for example, the idea that I had in mind for
> interfacing SpectrumPhy with WifiMac was to interpose a dedicated
> implementation of WifiPhy that used the phy/mac interface to talk to
> SpectrumPhy. This way, the WifiMac/WifiPhy interface does not need to be
> changed. 

The issue I see is that if we retain the per-packet transmit power setting,
spectrum Phy will need to handle it properly.  If the underlying SpectrumPhy
models that will be bolted to this convergence layer can handle per-packet
txPower settings, then I think it won't matter either way.

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