[maemo-users] WLAN Power Save Mode timeout

From: Amit Kucheria amit.kucheria at nokia.com
Date: Tue Feb 20 16:29:47 EET 2007
On Tue, 2007-02-20 at 11:55 +0200, ext Kalle Valo wrote:
> WLAN has a feature called Power Save Mode (PSM), which saves a lot of
> power. The timeout for going to PSM can be configured for N800 using a
> gconf key. Here's an example how to change the timeout to 200 ms:
> gconftool-2 --set --type int '/system/osso/connectivity/IAP/wlan_sleep_timeout' '200'


> If you have tested different timeouts, please send me feedback if it
> works or not. Include the make and model of the AP used for testing,
> and a small description of the problem. This would be really helpful
> for us to see what kind of problems there still are with WLAN PSM.

Just wanted to point out - very low values (10-100ms) _might_ lead to
increase in power consumption and higher latency. This is because the
radio might shutdown too soon and would have to be woken up again. e.g.
Slow DNS responses.

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