[Gta04-owner] Host AP mode

NeilBrown neilb at suse.de
Thu May 31 11:05:48 CEST 2012


On Thu, 31 May 2012 09:28:58 +0200 Neil Jerram <neil at ossau.homelinux.net>
wrote:

> Andreas Kemnade <andreas at kemnade.info> writes:
> 
> > Basically send something bigger over the network, exclude as much possible
> > bottlenecks as possible.
> 
> I downloaded Radek's video onto my laptop, then used scp to transfer
> onto the phone over Wifi and USB.
> 
> Over Wifi:
> 
> neil at neil-laptop:~/Downloads$ scp impossible_is_nothing2.mp4 root at 192.168.24.104:/media/card/
> impossible_is_nothing2.mp4                    100%   18MB 113.3KB/s   02:45    
> 
> scp initially reported the transfer speed as around 2Mb/s, but then it
> dropped steadily until settling at around 100Kb/s.
> 
> Over USB:
> 
> neil at neil-laptop:~/Downloads$ scp impossible_is_nothing2.mp4 root at 192.168.0.202:/media/card/
> impossible_is_nothing2.mp4                    100%   18MB   3.0MB/s   00:06    
> 
> Does that help?

I think the key thing to be looking at is 
  iwconfig wlan0 | grep Rate

I always see 5.5 Mb/s with 3.4 and much higher numbers with the hw-validation
kernel.  Given that, the actual throughput becomes rather uninteresting.

NeilBrown
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