[Ns-developers] Update on ns-3 802.11n
nbaldo at cttc.es
Tue Aug 31 03:16:37 PDT 2010
On 08/31/2010 07:49 AM, Mathieu Lacage wrote:
> On Tue, 2010-08-31 at 02:15 +0200, Tommaso Pecorella wrote:
>> Preambles and coding schemes are blocking features, as is they *have*
>> to be implemented. Coding schemes, being quite similar to 11a ones,
>> should not be a big issue. Preambles on the contrary are quite harder,
>> as to my best knowledge ns-3 use everywhere the long preambles. Hence
> The PHY should use the preambles that the MAC programs and the MAC was
> designed so that it uses the preambles that the WifiRemoteStationManager
> tells. i.e., you would need to add support for dynamically choosing the
> preamble to usein that class and use it from the MAC.
In principle yes, but I am not sure whether this approach is practical.
Please have a look at the discussion for bug 917, which is about the
setting of the TX power (which has exactly the same problems as the
To summarize my position on the topic, I wonder whether we should avoid
passing TX power and preamble as arguments to WifiPhy::SendPacket(), and
have them as WifiPhy attributes instead.
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