Received packets is much more than transmitted packets in WiFi

[Shashi Ranjan]

Hi,

I am trying to find the collision probability in case of unsaturated condition. However, traces from NS-3 is providing wrong information.

PhyTx    PhyRx    PhyRxDrop    PhyRxError
5128    19311    1197    2

PhyTx ---> No. of packet transmitted
PhyRx ---> No. of packet received and so on.

I have chose a error-free scenario. For reference, I am attaching the code also.

Thanks in advance.


Shashi

[Konstantinos]

Hi Shashi,

The results are expected to be like that when you are working with WiFi PHY.

One node is sending (so 1 Tx event) and multiple are receiving (so >1 Rx events). 

Perhaps if you use MAC layer trace sources your results would look better.

[Shashi Ranjan]

Thanks Kostantinos,

I knew you would answer (as you always have). One more thing to ask

How I going to count "# of ACK_timeout" ? I came across a trace  "RemoteStationManager/MacTxDataFailed". Is it same as the former one if no channel error is involved?

If it's the same, is same apply in case of channel error.?

Thanks and Regards,

Shashi Ranjan

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