Setting Up Large House with multiple wireless routers
BACKGROUND:
Bear with me; basically, I'm looking for advice on troubleshooting our facility's wireless network. This is for a large house/facility for a study abroad program in China - around 45 students live and study here, and this is for the wireless network we have at the facility.
The setup: we have a single FTTB internet connection coming into the house, which feeds into a large 'router' that is connected to the wall ethernet ports in each room of the house. (This piece of equipment was already here in teh house; I call it a router because that's what it looks like, but it's basically a massive bank of ethernet ports all interconnected to disperse internet throughout the wall ethernet sockets throughout the house). Each room has one ethernet port, but these aren't really used - seeing as each room has more than one student in it.
What we did was purchase several (around 8) wireless routers; these routers are put in different floors to give adequate wireless coverage to the whole house. The routers are plugged into the wall ethernet sockets throughout the house.
As of now, you can plug into any of the wall ethernet sockets and connect to the internet. The wireless routers all work too; you can connect throughout the facility to any wireless router and get internet.
PROBLEM:
The problem is, everyone uses only wireless networks to connect. All the wireless routers are set up to assign IP addresses using DHCP, and with 45 people connecting at various times throughout the day, connections keep getting dropped, or people have trouble connecting to a wireless router sometimes at all. I'm not a networking pro by any means, but I think this is because the routers (which are all ultimately on the same network, remember) sometimes assign the same IP address, which then causes a conflict on the network, allowing only one of these IP addresses to actually connect.
I don't want to set up every computer with a static IP address (though this would solve the problem, right)? Is it possible to just tell the routers to only assign IP addresses within a certain range? The wireless routers use the standard 192.168.0.1 - We're using Buffalo routers, but of course the settings are all in Chinese when I log into the routers, so it's a little complicated to figure it out. Mainly, I just want to know if it's possible to tell each router to assign IP addresses within a certain range (like 192.168.0.2 - 192.168.0.30), so that the routers won't assign an IP address that someone is already using with another router? If this is the right 'solution', I can probably figure out how to do this - but I want to make sure this is what I should be trying to figure out how to do in the first place. Suggestions? Help? I thank you in advance!!
Setting Up Large House with multiple wireless routers 
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