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-   Maemo 5 / Fremantle (https://talk.maemo.org/forumdisplay.php?f=40)
-   -   Cannot get more than 5mbits with the WLAN connection on my N900 (https://talk.maemo.org/showthread.php?t=51681)

cb22 2010-05-03 02:10
Re: Cannot get more than 5mbits with the WLAN connection on my N900
 
Writing to the flash memory is slow? I've seen speeds of 10MB/s easy when copying files over USB onto the internal flash, thats ~80Mb/s and should easily be able to cope with a wifi connection...

Jaco2k 2010-05-03 14:41
Re: Cannot get more than 5mbits with the WLAN connection on my N900
 
yeah, I think something is up with this. Might log an error report and see where it leads...

benh_n900 2010-05-03 14:53
Re: Cannot get more than 5mbits with the WLAN connection on my N900
 
I have noticed that when I SCP files over wifi it is painfully slow - 300KB/s (as measured by filezilla)

God_Lx 2010-05-03 18:03
Re: Cannot get more than 5mbits with the WLAN connection on my N900
 
I can get around 8mbits with the powersaving setting to the max, so it's definitly not a wireless problem...

Tried with any other router or AP ?

esthreel 2010-05-03 18:22
Re: Cannot get more than 5mbits with the WLAN connection on my N900
 
Maybe this is router problem, I am using ASUS WL-500W.

stlpaul 2010-05-03 18:25
Re: Cannot get more than 5mbits with the WLAN connection on my N900
 
Quote:
Originally Posted by cb22 (Post 639553)
Writing to the flash memory is slow? I've seen speeds of 10MB/s easy when copying files over USB onto the internal flash, thats ~80Mb/s and should easily be able to cope with a wifi connection...
But the writes tend to block all I/O and use 100% CPU waiting, which could(?) interfere with wifi driver operation. It was a theory. :)

Gobelet 2010-05-03 18:48
Re: Cannot get more than 5mbits with the WLAN connection on my N900
 
Remove the encryption. You'll get wayyy faster speeds, but absolutely no security... That's one way.

thecubed 2010-05-03 18:59
Re: Cannot get more than 5mbits with the WLAN connection on my N900
 
A quick iperf test from my wireless laptop as server to my n900 as client shows around 6.86Mbps.

I'm using a DD-WRT'd WRT54g. Powersaving is enabled on my n900.

Well, apparently it's not the SSH encryption making my SCP transfers so slow.


EDIT:
Powersaving on/off/intermediate has no effect at all for me. It stayed within the ballpark of 6.86Mbps with each setting. I even disconnected from wireless then reconnected. Short of a reboot, I don't actually know if the settings took effect or not.

Joorin 2010-05-03 19:13
Re: Cannot get more than 5mbits with the WLAN connection on my N900
 
Quote:
Originally Posted by Jaco2k (Post 639387)
Hi all,

I have a 30mbits connection at home (verified) and connecting from my laptop via WLAN I can easily get ~22mbits (WPA2, WirelessG)

Connecting with my N900, be it to this AP or to any other (e.g. Public ones that I know are very fast) I cannot get past 5mbits download.

What's the matter? Conky tells me I am connected at 54mb/s and quality is good, so...

Anyone seen similar behaviour?

Cheers,
J
How did you measure the speed? Downloading random files from the internet is not reliable.

And as others have written already, check power saving and send power.

Gobelet 2010-05-03 22:10
Re: Cannot get more than 5mbits with the WLAN connection on my N900
 
No, I mean the WEP/WPA encryption. For example on my WRT610N with a Wifi-N card that "syncs" at 300Mbps, I can get transfers at about 18 MBytes/s, and if I enable WPA, it falls at about 8 MBytes/s.


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