Have you looked at Meru's single-channel, "virtual cell" design
option? With their technology, you could also deploy 3 virtual cells
(on channels 1, 6, and 11 but in a way that you wouldn't have to
worry about overlap down the hallway) in order to maintain enough
capacity as well.
Contact me offline for more info if interested. One of the reasons
we chose Meru was because of their technology's ability to handle
dense deployments and flash crowds like we all deal with in the
University setting.
=======
BJ Pinsky
Manager, Network Engineering Project Mgmt.
Network Infrastructure, CUIT
212.854.7962
On Mar 27, 2007, at 9:52 PM, Karl Reuss wrote:
We're getting ready to expand our campus wireless
coverage into the dorms; full coverage for 12,000 students
over the next year. The recent dorm discussions here have
been very helpful.
I'm wondering if anyone has experience with dense
AP deployments in traditional high-rise dorms. About half
of our students live in these monsters. 8 floors, 250' straight
hallway down the middle of each, rooms on either side, block
walls, 70 users per floor. Sort of like prison cells:) Our
field guys and residential facilities folks would rather not
put the APs in student rooms, which basically just leaves the
hallways. I'm worried about co-channel interference on the b/g
side. 6 or 7 APs down a hallway in clear sight of each other
will surely step on each other. Loss through the floors only
seems to be 10db, which means we need to watch the vertical as
well. Dropping power would only help a little, and at the
expense of room penetration. External patch antennas are
one idea were looking at. If anyone has any experience or
advice in this area they could share, I would be grateful!
Thanks,
-Karl Reuss
University of Maryland, College Park
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