Anna University Chennai
B.E/B.TECH DEGREE EXMINATION, MAY/JUNE 2014
ELECTRONICS AND COMMUNICATION ENGINEERING
PART - A (10*2=20marks)
1. Classify communication channel?
2. State the demerit of digital communication.
3. What is the need for non-uniform quantization?
4. List any four speech encoding procedure?
5. Define hamming distance and hamming weight?
6. What are the requirements of line code?
7. What is ISI?
8. What is a matched filter?
9. What are the advantages of QPSK over PSK?
10. Draw the signal space diagram for QAM signal for M=8.
Attachment here !!
EC2301 Digital Communication-MaY-June 2014.pdf (Size: 240.36 KB / Downloads: 3,685)
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