STUPIDSID
1 (a)
What is ZigBee? Explain in details ZigBee networks.
7 M
1 (b)
Compare Wi Fi and Wi Max technologies.
7 M
2 (a)
Describe evolution of 1G, 2G and 3G mobile phone systems.
7 M
Solve any one question from Q2(b) & Q2(c)
2 (b)
Explain the antenna design systems for mobile networks.
7 M
2 (c)
With respect to mobile networks, explain co channel and adjacent channel interference.
7 M
Solve any two question from Q3(a), Q3(b) & Q3(c), Q3(d)
3 (a)
Describe in details GSM architecture with necessary block diagram and its various blocks.
7 M
3 (b)
Explain GSM network's hexagonal cellular concept and frequency reuse concept.
7 M
3 (c)
Enumerate various radio propagation model and explain any two of them.
7 M
3 (d)
Describe empirical formula for path loss in mobile networks.
7 M
Solve any two question from Q4(a), Q4(b) & Q4(c), Q4(d)
4 (a)
What is fading? List and explain various types of small scale fading.
7 M
4 (b)
Describe various GSM logical and physical channels.
7 M
4 (c)
Write a short note on mobile portability.
7 M
4 (d)
What is hand over in GSM? Give comparison of hard hand over and soft hand over.
7 M
Solve any two question from Q5(a), Q5(b) & Q5(c), Q5(d)
5 (a)
Describe RAKE receiver in CDMA.
7 M
5 (b)
Write a short note on software defined radio.
7 M
5 (c)
What is the difference between 2G, 2.5G and 3G? Describe GPRS architecture.
7 M
5 (d)
Compare CDMA forward and reverse channel.
7 M
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