80 MHz channel - Station data
Michal Kazior
michal.kazior at tieto.com
Wed Feb 3 23:39:56 PST 2016
On 4 February 2016 at 05:01, Ann Lo <annlo.tech at gmail.com> wrote:
> Hi,
>
> When we set up 80MHz channel between AP and client station, we use the
> iw station dump command to get the "rx bitrate" of the client station.
> We have noticed that not only the MCS changes, the NSS also changes.
> Is it normal to have dynamic values of NSS when we do iperf using 80
> MHz channel?
>
> Some data on "rx bitrate" of the same client station is as follows:
>
> rx bitrate: 58.5 MBit/s VHT-MCS 1 80 MHz VHT-NSS 1
> rx bitrate: 702.0 MBit/s VHT-MCS 5 80MHz VHT-NSS 3
>
> We use kernel 3.14.28 and WLE900VX.
Yes, this is normal. "rx bitrates" reports rate seen in most recent
Rx-ed frame. Each frame can be transmitted at a different rate by
stations.
Michał
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