Issues with Clients moving from Autonomous to LWAPP

I have a fairly large wireless rollout of access points at my hospital's main campus and then I have 41 remote sites that have approximately 3 to 10 access points at each location.
My problem is this, I just converted one site from 9 autonomous access point over to LWAPP. The site has a 10 meg metro Ethernet connection so I know its not the link back to me. We have 26 Motion Tablets with Atheros wireless clients at that location that utilize a Citrix application called Logician. We have been having some issues with the Motion tablets holding the Citrix connection, but once we converted this site, those clients have really been having issues.
There is a high density of access points so coverage is not an issue, but I didn't know if anyone else out there may have a similar scenario and could lend some advise as to why the LWAPP causes so many issues.
Thanks in advance.

Hi. LWAPP itself should not cause service to be worse; because of the dynamic nature of its settings, it should actually improve connectivity.
Do these wireless clients have access to any services (e.g. internet) that do not require use of Citrix? If so, how is the performance there? If you're getting consistent, reasonably quick internet access, but your Citrix session keeps failing; it may not be a WLAN issue per se.
I have done several implementations of Citrix over WLAN for hospitals. Most of the time if there are connection interruptions, it boils down to one of two problems.
1.) Interference: Hospitals are very hostile environments for RF. Various building materials, large machinery, and irregular shapes in the floorplan make it difficult for RF to travel consistently.
2.) Citrix settings: Citrix is a highly configurable application. There are session timeout settings which can be tweaked which may make the system more tolerant to momentary lapses in connectivity.
My suggestion would be to see if the issue is limited to Citrix traffic only; and if it is, look at how Citrix is configured. If you're finding sub-par performance with all wireless traffic, then maybe it's an interference issue that keeps knocking you off the WLAN. If that is the case, I would suggest a professional wireless consultant should come in and decide on the best methods for giving you more consistent service.
Hope this helps! If so, please rate.

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