Hi, Stephen
> The rate control then settled on MCS7 (150Mbps) on each STA.
So you are using HT20, not HT40+.
HT40/SGI MCS0 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS1 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS2 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS3 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS4 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS5 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS6 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS7 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS8 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS9 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS10 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS11 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS12 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS13 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS14 0.0 0.0 0.0 0( 0)
0 0
HT40/SGI MCS15 0.0 0.0 0.0 0( 0)
0 0
> Could you help me understand how you arrived at that conclusion from the two
> rc_stats dumps?
Refer the following:
http://linuxwireless.org/en/developers/Documentation/mac80211/RateControl/minstrel/
> What about the difference between the sender station (A) and
> the receiver station (B) rc_stats dumps? For example the throughput on A
> seems to be 2x B. I am not sure what this means.
You are doing UDP throughput test. It is one way transmission with no
ACK. So you would see the difference.
> How do I estimate the PHY rate? Can you suggest some tools/techniques for
> measurements on L2/L3?
Refer to the data rate in this:
http://en.wikipedia.org/wiki/IEEE_802.11n-2009
Regards,
Chun-Yeow
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