[Ns-developers] Numerical values of the attributes inYansWifiPhy::GetTypeId
Ruben Merz
ruben at net.t-labs.tu-berlin.de
Tue Feb 24 10:39:42 PST 2009
Hagen,
It looks like my question was not clear enough. I know what those
parameters represent. My question is whether any of them had been validated.
[snip]
>
>
>
> TxPowerEnd: 16.0206 dBm
>
> RxPowerEnd: 16.0206 dBm
>
>
>
> 16.0206 dBm are 40mW. 40mW are ETSI standard for 802.11. 50mW
And it's different for FCC.
Best
Ruben
> is also possible for some countries. So it looks fine for
>
> 802.11a - for 802.11g you can raise this up to 20 dBm (for europe).
>
>
>
> EnergyDetectionThreshold: -140dBm
>
> CcaMode1Threshold: -140.0 dBm
>
>
>
> Should the sensitive enough to get catch enough information.
>
> Think about asymmetric links, et cetera. This value is used for
>
> SINR calculation.
>
>
>
> RxNoise: 7dB
>
>
>
> An additional gain to smooth the reception. The term noise
>
> is a little bit misleading here. RxLost may be a better name -
>
> it points misleading that it models channel lost characteristics.
>
>
>
> TxGain: 1 dB
>
> RxGain: 1 dB
>
>
>
> TxGain/RxGain models a non-isotrope antenna. This value is too
>
> small to have any far-reaching influences.
>
>
>
>
>
> Best regards, Hagen
>
>
>
>
>
--
Ruben Merz Deutsche Telekom Laboratories
http://www.net.t-labs.tu-berlin.de/people/ruben_merz.shtml
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