Ph.D. Course Work Examination June July 2017
ELECTRONICS Paper III and Paper IV
Architecture of Wireless Sensor Networks
Day Date: Friday, 30-06-2017 Max. Marks: 100
Time: 11.00 AM to 02.00 PM
Instructions: All questions are compulsory.
Q.1 With required diagram explain the single node hardware and
software architecture of WSN.
10
Answer Any Two: 10
What is duty cycle and how it is calculated in WSN?
Discuss on any 3 applications of WSN.
Discuss on different types of Wireless networking protocols for
sensor network.
Q.2 Explain AVR microcontroller based WSN system for water quality
parameter monitoring of fish ponds in Aquaculture.
10
Answer Any Two: 10
Explain various services offered by localization.
List the types of Random Access protocols and Collision
Resolution protocols.
Explain in brief the four layers involved in SMS?
Q.3 Explain the LEACH routing with the help of neat diagram. Give its
advantages and disadvantages.
10
Answer Any Two: 10
What is meant by self-jamming?
List the capabilities of third generation systems.
List the various properties of ISM band.
Q.4 Design a suitable topology control algorithm that minimizes the
maximum the power consumed by the nodes.
10
Answer Any Two: 10
Write a note on the classifications of the services of wireless
security system.
Define the hardware and software tools used in WSN.
What are the implementation issues of WSN in environmental
monitoring?
Q.5 Is spread spectrum modulation schemes are followed in WSN
justify your answer.
10
Answer Any Two: 10
What is Data-Centric Network? Explain with suitable example.
What are the different types of interaction pattern between
sources and sinks in WSN? Explain.
Briefly explain, what is Single Hop and Multiple Hop?