Sargjeet,
apart from the usual WLAN basics for designing wireless networks in a campus environment i would check out the Q+A for the Cisco Catalyst 6500 Series Wireless Services Module:
http://www.cisco.com/en/US/products/ps6526/index.html
and read some of the whie papers.
you can allways drop me a line if you get stuck [email protected]
hope that this helps
Cheers
Mark
DigitalAir Wireless UK
digitalairwireless.com