f

1. Register Number:
NATIONAL COLLEGE OF ENGINEERING, MARUTHAKULAM – 627151
Electronics and Communication Engineering
Eighth Semester
(Regulation 2013)
EC6801- Wireless Communication
INTERNAL ASSESSMENT TEST---II
Time: 1 ½ hours Maximum: 50 marks
Answer all questions
PART A—(5*2=10)
1. Define adjacent channel interference.
2. What is grade of service?
3. What is sectoring?
4. Define trunking.
5. Define adaptive equalization.
6. Write a short note on linear and non-linear equalizer.
7. Define Diversity.
8. What is polarization diversity?
9. Differentiate selection and combining diversity.
10. Define maximum ratio combining.
PART B (2*13=26marks)
1. Explain the inference and system capacity. (13)
2. Write detail about trunking and grade of service of cellular system. (13)
3. Explain the operation of adaptive equalizer. (13)
4. Explain about macro diversity techniques. (13)
5. Explain the different diversity combining techniques. (13)
PART C (1*14=14 marks)
1. Explain detail about improving coverage and capacity of the cellular system. (14)
2. With neat block diagram explain linear and nonlinear equalizer. (14)
3. Explain the types of micro diversity techniques. (14)