Is video possible over 802.11?

Due to mobility concerns I have the need to send video over wireless access points to clients. The application however isn't really a streaming or multicast video...its just a web page with hundreds of *.wmv video files served up via a web server. So the video itself is running on HTTP.
Of course wired works like a champ.
One or two clients on 802.11 b/g access points work well with no signs of degradation. But add just a few more all access the web page (training video) and there are severe problems.
Is this kind of application even possible over wireless? I know the application isn't the correct way to distribute video as I begged for multicast - but that isn't going to happen.
Is the inherent half-duplex nature of wireless and such low bandwidth the problem here? Our only solution so far seems to use 802.11a and make micro cells to give as much bandwidth as possible to a few clients.
The background on this is a training center, running a web based training application for 100 people or more. No, I can't do wired as the training stations need to be moved around a mock assembly line.
Thanks in advance. Would any kind of queuing or QoS help here? Access points in question are 1232s with G/A radios but this is more of a "can the technology acutally meet the application's needs?" kind of question.
Thank you again.
John

Hello,
what will solve you problem is the 802.11e standard that will support QoS. It will be an enhancement with 802.11a and b. However you might still have to have small cells to accomodate bandwidth requirements. I do not know for now of a lot of vendor implementing 802.11e. I hope we can get it real fast. Another way of loking at it is to have you streaming video encoding and decoding products (software) have less bandwith consuming streams.
Hope it help.
Louis

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