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Android device battery usage high when connected to MR Wi-Fi

Getting noticed

Android device battery usage high when connected to MR Wi-Fi

Hey Everyone, 

 

Ive been having an issue since i rolled out our new MR Wi-Fi. it seems that Samsung android devices connected to our Wi-Fi will frequently re-negotiate with surrounding APs. We have a fairly dense environment since we are a school that supports BYOD, so ive placed a lot of APs around the building and turned the power levels down. When i contacted support i was recommended to lower the maximum bit-rate from 54mpbs to something lower, but since these are somewhat new devices (less than 1 year old) that logic didn't make sense to me. Anybody else seeing this? All other devices are just fine with no roaming or battery issues. 

 

Regards,

Dylan_YYC

4 REPLIES 4
Kind of a big deal

Re: Android device battery usage high when connected to MR Wi-Fi


@Dylan_YYCwrote:

Hey Everyone, 

 

. . . , so ive placed a lot of APs around the building and turned the power levels down.. . .


If you have a lot of devices in a compact environment with plentiful APs, you may be able to turn off the 2.4 GHz radios so that everybody uses the 5 GHz band.

  • 5 GHz signals do not leak into adjoining spaces to the same extent that 2.4 GHz radios do.
  • there are more non-overlapping 5 GHz channels than 2.4 GHz channels
  • 5 GHz WiFi potentially operates at higher throughput speeds than 2.4 GHz systems

If you must use 2.4 GHz channels, only activate them on about 25 % of the APs.

 

Robin St.Clair | Principal, Caithness Analytics | @uberseehandel
Getting noticed

Re: Android device battery usage high when connected to MR Wi-Fi

Hi @Uberseehandel

I have setup our 2.4 so there is no overlapping zones, that being said the devices that ive been testing with rarely connect to 2.4.

Kind of a big deal

Re: Android device battery usage high when connected to MR Wi-Fi

Mention of 54 Mbps makes me wonder if support imagines that there are 802.11g users? Might be worth clarifying.

Robin St.Clair | Principal, Caithness Analytics | @uberseehandel
Getting noticed

Re: Android device battery usage high when connected to MR Wi-Fi

@Uberseehandel Ive reached out again, i guess we will see where that goes!

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