On Wed, Sep 10, 2014 at 10:42 AM, Arend van Spriel <[email protected]> wrote:
> On 09/10/14 03:26, Sourav wrote:
>> We are using Ralink chip Rt3072L (using rt2800usb drivers rt2800usb.c),

The Ralink USB hardware is quite bad in reporting TX status and as
such minstrel_ht cannot do proper rate selection.
If you watch the rc stats at
/sys/kernel/debug/ieee80211/phy0/netdev\:wlan0-0/stations/xx:xx:xx:xx:xx:xx/rc_stats
you might see a lot of rate selection "hopping".

Regards.
Helmut
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