Wi-Fi roaming between access points - Captivate General

Hello,
Has anyone else noticed problems with their Wi-Fi not properly jumping to the nearest wi-fi access point when you move around a large office or campus? I am the IT manager of a small company and we have 3 access points. I need to turn off wifi and turn it back on to connect to the nearest AP with walking around the office. Our laptops and iPhones do not have this problem. The three AP each have the same SSID, WPA2 encryption, but different channels that do not overlap. What gives?

Related

WiFi problems at work

I believe that the Captivate does have a WiFi problem. It works just great at my house with 1 Linksys/Tomato router (WPA2, AES, pure-g). At work with 3 HP Procurve 420 APs all set with (WPA2, AES, pure-g) the captivate will connect just fine to the first AP won't roam to any others. When I walk across the building it doesn't properly switch to the closer AP. All of our laptops and iPhones will do this just fine. The solution for me is to turn off wifi, then turn it back on when I move locations. Its a pain, but not a deal breaker for me. FYI all of our HP Procruve APs are set on different radio channels, same SSID, same security (WPA2, AES, pure-g mode).
What is your WiFi experience at a locations with multiple APs?

issue: switching between access points in the same wifi network

i'm dealing with this weird issue,
i have set up a wifi network in my home consisting of a router and a repeater,and they have now eliminated the dead spots in my home.
I tested whether mobile devices can switch to the nearest access point when they are moved,while they are connected to the wifi network
laptops switched to the nearest access points as they were moved
unfortunately my arc was not able to...it depended on the same access point as it moved away, even if i keep it next to the repeater it would not pick it's signal.
this would happen the other way around as well if i connect via repeater and bring the phone near the router it would not pick router's signal
any work-a-rounds
HELP!!
Also running doom kernel i had to flash the wifi modules could this have affected in anyway
Sent from my LT15i using XDA
I know this post is a bit old...but a good solution for this issue is Best Wifi:
Description
Do you have a WiFi extender in your home or office, or even a second WiFi Access Point Name (APN)? You do? Then ‘Best WiFi’ is for you!
‘Best WiFi’ is a lightweight application that automatically switches between saved APNs based on their signal strengths. So if while you are pacing in the office or walking around at home, and the signal strength drops below the pre-set level, ‘Best WiFi’ will go through your saved APNs and automatically connect to the one with the best signal at the time.
Click to expand...
Click to collapse
This app works well to switch between different saved SSIDs that are listed in Android and has eliminated the issue of losing connectivity on my home network due to my phone staying connected to a weak signal and losing its ip address/not surfing.
Thank you
Same problem here, but this app does not do make any difference
Useful app, you deserve a "thank you"

Make Nexus stop switching WLAN automatically (same SSID, different BSSID)

Hi guys,
at work there is a WLAN build with several hotspots at different locations.
When my phone just lays on my desk it constntly loses the connection.
This is because i'm sitting almost in the middle between two hotspots.
The WLANs have the same SSID but every hotspot has a different BSSID
So i guess the nexus thinks "oh nice, same SSID but 5% stronger so lets switch to that network".
The issue here is, i have to login again after every network switch.
So i would like to know how to tell my nexus it shall not switch networks automatically.
Thanks a lot for your advice.
This might be an issue on the corporate side—they might need to tell their controllers to be less aggressive when telling wireless clients to switch APs.
Unfotunately this is not an Option. Huge company with it-security department etc. Nothing get's changed without special permission. So i've to solve this issue on client side
tapatalked from hammerhead

WiFi Roaming between AP's

I've done some research on WiFi roaming between AP's with the same SSID and posted my findings on the Google Product Forums but I'm hitting brick wall.
Anyone who has any clues on how and why this doesn't work? Here is the link that contains all my finding:
https://productforums.google.com/d/topic/nexus/93GcQ8O75q8/discussion
Situation:
I'm standing next to my WiFi access point downstairs, I have full signal bars and perfect connection. I then move upstairs (2 stories up) and move next to the AP located upstairs.
Expected behaviour:
The phone should notice that the AP it is connected to has very weak signal, barely 1 bar left near -85/-90 db which is hardly usable. On the next background scan it should also find the second AP has much better signal, around -45db and decide to 'roam' to the other AP.
Actual behaviour:
The phone maintains a persistent connection with the AP downstairs for hours and does not 'roam' to the AP upstairs causing bad connection and battery drain.
Anyone any idea's? Can we maybe start a discussion about this issue and get some dev involved maybe who can shed some light on how this is supposed to work in Android?
I have the exact same problem. My 2 accesspoints are both Asus wireless router RT-AC68U. It's very frustrating. I know this is an old topic but maybe there is a solution available? Or is the problem solved with Lollipop?
You could test it and let us know, I no longer have 2 AP's mainly due to this issue.
Same happened to me and i found my fix on an app called Wifi Jumper. It might help you.
https://play.google.com/store/apps/details?id=com.goramart.wifijumper&hl=en
Doesn't matter the SSID, it will just scan for a better signal every interval you set it to in the settings.
Yeah apps like that will do the trick but this is a workaround for the actual issue. The apps are user space whilst wpa_supplicant should deal with this. It will drain more battery than a proper solution.
The solution is quite simple, wpa_supplicant can do this but android does not put the proper directive into the conf file. It will need a code change in the android framework.
I can confirm on the new android lollipop preview my phone jumps to the high WiFi signal in my house. I have Asus ac68u and a airport used a extender and my phone never gets stuck on one signal.
Is it in extender or AP mode? If in extender mode the device does not need to roam, only in AP mode with the same SSID the android needs to actually roam..
The airport is a ap. I just set it to bridge mode in the airport settings so it can pull ips from the main router. They're connected thru a DECA connection. DECA is like moca but using different frequencies on coax wires.
Sounds like the issue is fixed if it roams before fully loosing the signal.
If you have root you could check the wpa_supplicant.conf to see if they have now added a line for the bgscan module. This would complete the theory.
Out of interest, do you have "avoid poor connections" set in WiFi settings?
I do find mine does roam, but I'm not sure if it is down to losing signal completely or avoiding due to poor

Wifi roaming bug is back on S7

I have two wifi APs with the same SSID and it will stick to one of them with next-to-useless connection while standing near the other one. which would have much better connection.
This works fine on my Nexus 9 tablet and even better on my iPad and my wifes iPhone..
I tried some possible workarounds like Always allow wi-fi roam scans but I didn't see any effect.
This fix for SG3 might work but i havn't rooted.
Even more solution suggestions
Doesn't this bother anyone else ?
wifi has a bug in 6.X and its been talked about before.
my problem some times when i want to connect to another wifi it connects for a 1 sec and then drops it
i turn off wifi and back on and it will connect
i'm trying the app "Wifi roaming fix" but i think it causes the wifi to disconnect for a couple of seconds when it switches.
Strange that this seems to be of no interest to anyone. Is there indeed nobody who is using one or more WLAN APs in addition to his/her WLAN router? I can't believe that.
I have two APs (Main router and 2nd router as AP) but not for more coverage, my main router pushes 5GHz wifi, the second AP pushes 2.4GHz for older clients that can't connect to 5GHz
The 5GHz router is placed on a wall in the middle of the house and the entire house has great coverage so no need for more APs
I have more APs in my house with OpenWRT and 802.11r aka Fast Roaming configured and roaming between all my APs is working perfectly with all my devices.
Note 10.1 2014 Wifi, S7 Exynos and all other also.
With APs configured as "normal" ap with the same SSID and key i had the same issue as you mentioned.
I think your phone dont know that it could roam between your two APs.
If you could not run OpenWRT on your APs for 802.11r, you could try to enable WDS on both APs even if your APs connected by wire.

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