STUPIDSID
1 (a)
Compare 1G, 2G, 3G, 4G wireless cellular networks. Also explain the characteristics of 3G with special reference to cell size, data rate and mobile speed.
12 M
1 (b)
With a neat circuit diagram, explain a wireless telegraphic transmitter.
8 M
2 (a)
Explain with necessary diagrams the formats of MSISDN number, IMSI number and IMEI number.
8 M
2 (b)
With a neat diagram, explain the common cellular network components and their functions.
12 M
3 (a)
Explain how the capacity of a cellular system can be increased by cell sectoring.
7 M
3 (b)
Explain the frequency reuse concept used in cellular communication. Explain with mathematical expression the possible cluster size and trade off in selection of the cluster size (N-3, 7, 12).
10 M
3 (c)
Explain NCHO, MCHO and MAHO.
3 M
4 (a)
Explain with necessary diagrams various TDMA frames.
6 M
4 (b)
Explain the various control channels used in GSM.
8 M
4 (c)
List the various GSM services.
6 M
5 (a)
Explain with neat diagrams GSM inter-MSC handover and Intra-BSC handover.
12 M
5 (b)
What is Location Area (LA) in a cellular system? What is location updating? Explain the basic steps involved in location updating (Idle Mode).
8 M
6 (a)
What is the meaning of registration process in CDMA systems? Explain the various forms of registration supported by CDMA systems.
7 M
6 (b)
Explain the different types of soft and hard hand-offs supported by CDMA systems.
7 M
6 (c)
Compare AMPS, GSM and CDMA air interfaces.
6 M
7 (a)
Explain with mathematical equations two-ray path loss model.
7 M
7 (b)
Explain block interleaving technique to correct burst errors.
6 M
7 (c)
Explain how cellular system performance can be improves using space and polarization diversity schemes and smart antenna system.
7 M
8 (a)
Explain with necessary diagrams Bluetooth Piconet and Scatternet architectures.
8 M
8 (b)
Explain a 4×4 antenna sectoring scheme used in wireless MAN.
6 M
8 (c)
List the features of IEEE 802.11X technologies.
6 M
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