1. Define Multiple Access. Explain the types of MA techniques used in Wireless communication system
2.
Explain
in detail about the types and requirements of services used in
wireless systems
3. Explain in detail about
noise and interference limited system
4.
Explain
how frequency reusing is achieved in cellular systems and also explain the
various methods for improving the capacity of a cellular system
5.
Explain
the various propagation mechanisms adopted in wireless communication channels
6.
Explain
in detail about the channel classification adopted in wireless propagation
channels
7.
What
are wide band models, explain the significance of each model
8.
Describe any two methods of diffraction by
multiple screens and explain in detail about free space path loss and derive the gain
expression
9. Explain the structure of a wireless communication link with a neat
block diagram.
10. Bring out the salient features of the GMSK modulation scheme.
Explain the
GMSK transmitter and receiver implementation with suitable diagram.
11.Explain the
principle, operation, signals, constellation diagram, transmitter and receiver
of MSK system.
12.
Explain
the generation, detection, signal space diagram, bit error probability and
power spectra of
QPSK
13.Explain the principle of diversity and explain the different
diversity techniques
14. Explain the following codes in detail. (i) block code. (ii) convolutional code. (iii) turbo codes
15. Explain the linear
and non linear equalizers along with the differences
16. Explain in detail about the stochastic models for speech
17. Explain Code Division Multiple Access(CDMA) and
compare its performance with TDMA
18. Discuss the features and services of GSM and Explain the GSM system
architecture with neat sketch
19. Explain OFDM concept
in detail and also explain the implementation of transceivers in OFDM system
20. Explain forward & reverse channel
parameters of IS-95
CDMA.Courtesy:Rejinpaul
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