I have not seen such an issue, yet. I have seen that our campus buildings "suck" the battery life as the cellular signal levels are very low and in-turn the Android device is searching their primary signal carrier all day. I'm not at all dismissing your question or the possibility of this happening, I'm just putting out there what I've seen so far in our buildings. If I get other reports I'll let you know.
On Sun, Jul 8, 2012 at 6:12 PM, Wright, Don <[email protected]> wrote: > I've heard this same complaint from a user on our campus. He claims > his droid lasts all weekend on his home wireless, but runs down in a day on > our campus. I'm not sure why this would be, assuming he runs the same apps > all the time. My only thought was that his wi-fi driver was actively > scanning (aggressive roaming) the other access points he would see here > looking for better signal. Anyone have any other ideas ? > - > Don Wright > Brown University > > *Please consider the environment before printing this email.* > > *`·.¸¸.·´¯`·.¸.·´¯`·...¸ ><((((º>`·.¸¸.·´¯`·.¸.·´¯`·...¸><((((º>* > > > On Tue, Jul 3, 2012 at 5:07 PM, Hurt,Trenton W. <[email protected] > > wrote: > >> I have started getting complaints from users regarding battery life on >> android devices when connected to our campus wifi. The issue is being seen >> when you install a type of bandwidth meter app on the device. The one I >> use is android status and I look at the network section to see the Rx and >> Tx statistics. Once connected to wireless the device still receives bursts >> of traffic, at least according to the app on the device. We are cisco wifi >> shop and I’m running 7.2mr1 code on the wlc’s. Has anyone else heard or >> seen this issue? **** >> >> ** ** >> >> ** ** >> >> I found this post >> http://forum.xda-developers.com/showthread.php?t=1738171 which states…* >> *** >> >> ** ** >> >> *This is simply because your wifi antenna still "hears" the data going >> through the wireless network on which you are connecter. Even if your phone >> doesn't asks for any data at the moment the traffic there is on the network >> will still be counted by the wifi chip on your phone. >> >> It will be the same on any public network or if you have another phone or >> a computer connecter on the same wireless router and generating traffic.* >> >> ** ** >> >> ** ** >> >> I have tried to increase the DTIM setting on one of the wlans and it >> didn’t help. Any suggestions?**** >> >> ** ** >> >> Thanks**** >> >> Trent**** >> >> ** ** >> >> ** ** >> >> ** ** >> >> Trenton Hurt, CWNA, CCNP(W), CCNA(W), CCNA(V), CCNA(R/S) >> Wireless Network Administrator >> University of Louisville >> Phone (502) 852-1513 >> FAX (502) 852-1424 >> [image: Description: Description: >> C:\Users\twhurt01\AppData\Local\Temp\XPgrpwise\IMAGE_19.BMP]**** >> >> ** ** >> ********** Participation and subscription information for this EDUCAUSE >> Constituent Group discussion list can be found at >> http://www.educause.edu/groups/. >> >> > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/groups/. > > ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
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