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Re: broken ath9k-driver - problems with creating new TCP-connections. Bad performance

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Richard Schütz wrote:
>> If the AP is set to HT20, this driver doesn't use IEEE 802.11n any more,
>> or, to say it more specific: the selected bit rate is max. 64 Mb/s and
>> the performance is even worse.
> 
> Of course it uses 802.11n, but only with 20 MHz channel width, so the
> data rate is lower than with 40 Mhz channel width. The highest rate of
> 802.11g is 54 Mbit/s anyway.

I know - but there isn't any difference between g and n with 20 MHz
channel in real performance. That's why I wrote the driver wouldn't use
n any more. But this wasn't correct with respect of the technical view.

>> I'm wondering at all, why the ath9k driver doesn't switch to 300 Mb/s:
>> the rt3572sta-driver doesn't have any problem with both settings.
> 
> Your AR9285 only supports up to 150 Mbit/s.

Now it's clear, why 150 Mbit/s is the maximum.


Klaus
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