STUPIDSID
1 (a)
Compare SDMA,TDMA,FDMA and CDMA mechanism
5 M
1 (b)
Explain mobile assisted soft handoff procedures in CDMA based secular system
5 M
1 (c)
Explain data oriented CDPD network
5 M
1 (d)
What is meaning of traffic channel, signaling channel, broadcast channel & common Control channel w.r.t. G.S.M
5 M
2 (a)
Assume a receiver is located 10 km from a 50 W transmitter. The carrier frequency is 900 MHz, free space propagation is assumed, Gt=1, and Gr=2, find (a) the power at the receiver, (b) the magnitude of the E-field at the receiver antenna, (c) the rms voltage applied to the receiver input assuming that the receiver antenna has a purely real impedance of 50 and is matched to the receiver
10 M
2 (b)
Explain free space propagation model.
10 M
3 (a)
Draw the block diagram and explain GSM architecture in details indicating all the interfaces.
10 M
3 (b)
Explain the frequency and channel specification of IS-95
10 M
4 (a)
Explain forward link features of CDMA 2000 and also explain basic services provided by upper layer of CDMA 2000
10 M
4 (b)
Describe open loop and closed loop system of power control in a CDMA system
10 M
5 (a)
Give the technical differences in W-CDMA and CDMA-200
10 M
5 (b)
Write short note on any two path loss models
10 M
6 (a)
Explain in details signaling protocol architecture used in GSM
10 M
6 (b)
Explain Handoff and power control in 3G system
10 M
Write short notes on :-
7 (a)
Rake receiver
5 M
7 (b)
Security algorithms in GSM
5 M
7 (c)
Raleigh and Rican distribution
5 M
7 (d)
Improving coverage and capacity in cellular system
5 M
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