EC2311 Communication Engineering - Unit 3 - Important Questions 2012 Edition

[Srini]

Anna University

Department of Electrical and Electronics Engineering

Semester : V

Department : B.E EEE

Year : IIIrd Yr

Subject Code : EC2311

Subject Name : Communication Engineering

Part A
1.What do you mean by Maryauam?
2.Define ADM.
3.Define QSK.
4.Advantage of ADM.
5.Define ASK,PSK.
6.Advantage and Disadvantage of QPSK.
7.Define Entropy.
8.Define Baseband and Passband.
9.Define coherent detection.
10.What is channel capacity?
11.What is bit error rate?
12.What are error correction code?
13.What is source coding?
14.What is channel coding?
15.What is Huffman coding?
16.What are error control code?
17.What are convolution code?
18.Write the format of block code.
19.Advantage of block code.
20.What is shannon Fano coding?

Part B
1.Explain FSK,ASK,MSK

2.Explain GMSK (10marks)

3.a) Define Mutual information.
b)Define Rate of information.
c)Define Frequency Deviation.
d)Advantage of BPSK.

4)Explain QPSK (16marks)

[venkaram92]

anna i have same questions in adc also