You work for a network consulting firm, and you have been assigned to pre- pare

Question

You work for a network consulting firm, and you have been assigned to pre- pare a presentation for the executives of an amusement park company who are concerned about communication costs and session persistence when employees use their company-issued cellular phones. The network at the park includes extensive 802.11-based APs inside buildings, but many outdoor locations at the park have no WLAN coverage. Employees often use cellular phones for voice communi- cations because they are frequently moving around the park. To save costs, the executives are interested in having the cellular phones use the WLAN when it is in range. The executives have relatively little training in network technology, so you need to present the concepts of fixed-mobile convergence and internetworking with external net- works in a way that the executives can understand. Prepare a slide presentation and a 5- to 10-minute discussion to address the executives' concerns. You also need to address how to modify the WLAN to support fixed-mobile convergence.

Explanation / Answer

Coverage of a given AP depends on where it is placed in the building, building materials, and other objects that absorb radio energy -- including human bodies! An AP's transmit power and antenna can alter coverage as well. You will also need to consider capacity: how many guests do you want to support concurrently, and how much bandwidth will each require on average?

In the hotel industry, it is not uncommon to find one or two APs providing WLAN service in the lobby, restaurant, or another relatively small area. This reflects how difficult it can be to blanket a large, distributed building with radio coverage

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