STUPIDSID
1(a)
List out Quality of service [QOS] attributes in UMTS.
5 M
1(b)
Explain 'Hidden Node' and 'exposed node' problem in wireless LANs.
5 M
1(c)
How is power control implemented in CDMA?
5 M
1(d)
Draw and expalin with neat diagram, the components of Senser nodes.
5 M
2(a)
Calculate the down link cell load factor and numbers of voice users per cell for a WCDMA system using the following data. What is the pole capacity of the cell?
1) Information Rate (Ri) = 12.2kbps
2) Chip rate (Rc) = 3.84 Mcps
3) Eb/Nt=4db
4) Average interference factors due to others cells = 0.5
5) Orthogonality factor =0.65
6) Interference margin=3db.
1) Information Rate (Ri) = 12.2kbps
2) Chip rate (Rc) = 3.84 Mcps
3) Eb/Nt=4db
4) Average interference factors due to others cells = 0.5
5) Orthogonality factor =0.65
6) Interference margin=3db.
10 M
2(b)
What is Localization in wireless sensor network? Explain with examples centralized and distributed schemes in Localization algorithms.
10 M
3(a)
Give the detailed radio Access Network overview. Explain in detail functions of Node B and RNC also draw UTRAN logical architecture.
10 M
3(b)
Explain the ZigBee technology. Discuss different Network Topologies that are supported in Zigbee.
10 M
4(a)
Explain Link budget analysis of requirements of wireless networks.
10 M
4(b)
Explain Various Bluetooth connection establishment states. Draw a complete flow diagram.
10 M
5(a)
Give technical requirements of IEEE 802.15.3a Physical layer w.r.t. data rates, power consumption, power management modes, scalability and interference, etc.
10 M
5(b)
Why Network management design issue is critical issue in wireless sensor network? Give reasons.
10 M
6(a)
Write short notes on:
a) Wimax
b) Rake Receivers.
a) Wimax
b) Rake Receivers.
20 M
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