Question 1:
Make a distinction between CDMA, TDMA and FDMA.
Question 2:
Illustrate out the different approaches employed for increasing capacity of mobile networks.
Question 3:
What do you understand by the term co-channel interference? Given the minimum distance between two cochannels D=81 meters, and Radius of cell R =3 meters, find out the reuse factor of network.
Question 4:
Illustrate out the concept of the Bluetooth. How does it diverge from wireless LAN?
Question 5:
Write down the purpose of VLR, HLR, AuC and EIR databases in GSM network. Discuss.
Question 6:
Illustrate out how tunnelling works in general and especially for mobile IP using IP-in IP, minimal and generic routing encapsulation, respectively.
Question 7:
Write down the transmission impairments which affect wireless signals. Discuss.
Question 8:
Evaluate the distance between two antennas for Line-of-Sight transmission if one of antennas is 100 meter high and the other is at ground level.