STUPIDSID
SPPU Computer Engineering (Semester 5)
Data Communication and Wireless Sensor Networks
December 2015
Data Communication and Wireless Sensor Networks
December 2015
Solve any one question from Q1 and Q2
1 (a)
Explain FHSS and DSSS with help of diagram.
8 M
1 (b)
A pure ALOHA network transmits 200-bit frame on a shared channel of
200 kbps. What is the throughput if the system (all stations together)
Produces
i) 1000 frames per second.
ii) 500 frames per second.
i) 1000 frames per second.
ii) 500 frames per second.
6 M
Write a note on:
1 (c) (i)
Zigbee
3 M
1 (c) (ii)
WiMax.
3 M
2 (a)
Explain stop and wait ARQ, GO back-n ARQ and selective repeat ARQ.
Comment on the performance of each.
6 M
2 (b)
Define sampling. Draw and explain different types of sampling with
Diagram.
6 M
Write a note on:
2 (c) (i)
WiFi
4 M
2 (c) (ii)
Bluetooth.
4 M
Solve any one question from Q3 and Q4
3 (a)
Explain exposed terminal problem and hidden terminal problem Wireless Network in detail.
8 M
3 (b)
Explain S-MAC protocol for WSN.
8 M
Write a note on:
4 (a) (i)
Contention based protocols.
4 M
4 (a) (ii)
What is STEM, STEM-B, STEM-T?
4 M
Solve any one question from Q5 and Q6
5 (a)
Explain various design issues and routing challenges in WSN.
4 M
5 (b)
Explain flooding and gossiping in detail.
4 M
6 (a)
With the help of diagram explain algorithm for SPIN. Explain types of
SPIN.
8 M
6 (b)
With the help of diagram explain two phases of LEACH protocol.
Compare LEACH with PEGASIS.
8 M
Solve any one question from Q7 and Q8
7 (a)
List and explain common techniques used for Infrastructure establishment
8 M
7 (b)
Explain layered architecture of CDN
5 M
7 (c)
Write short note on Tiny OS.
5 M
8 (a)
What is localization? Why it is needed? Explain phases of localization.
8 M
8 (b)
With flow chart explain IDSQ algorithm.
5 M
8 (c)
List types of queries in sensor network and give example.
5 M
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