[maemo-users] Power consumption and WLAN APs

From: Andrew Daviel advax at triumf.ca
Date: Sun Jul 20 23:27:12 EEST 2008
On Mon, Apr 21, 2008 at 4:58 PM, Eero Tamminen <eero.tamminen at nokia.com> 
>  One possibility is a WLAN AP with broken power management

I recently noticed that my tablet battery runs down faster at work than 
at home, with the WiFi enabled but otherwise sitting idle (12%/hour vs 

I thought the issue might be that there's more broadcast/multicast 
traffic at work, which would get through the filters in the ethernet chip 
and into the kernel, but then I found a reference to your post on the 

At home I have a Linksys WRT54; at work I think Orinoco-AP2000 where I 
may be able to change some settings (writing this at home I can't login 
to check).

What power-management issues have you seen affecting battery life ?
Would it affect other laptops as well or just the tablets ?

Andrew Daviel, TRIUMF, Canada
Tel. +1 (604) 222-7376  (Pacific Time)
Network Security Manager

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