EC2311 Communication Engineering May June 2014 Question Paper

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Question Paper Code : 51408 
B.E./B.Tech. DEGREE EXAMINATION, MAY/JUNE 2014. 
Fifth Semester 
Electrical and Electronics Engineering 
EC 2311/EE 54/1014 E 501- COMMUNICATION ENGINEERING 
(Regulation 2008/2010) 
(Common to PTEC 11 — Communication Engineering for B.E. (Part-Time) Fifth Semester — Electrical and Electronics Engineering -- Regulation 2009) 

Time : Three hours 
Maximum : 100 marks 
Answer ALL questions. 

PART A — (10 x 2 = 20 marks) 
1.State the significance of modulation index. 
2.Obtain the relationship between phase and frequency modulation. 
3.State sampling theorem. 
4.Compare MPSK and MFSK modulation techniques with respect to their 
probability of error and bandwidth. 
5.A source transmits messages QI to Q having probabilities 
1/2,1/4,1/8,1/16,1/16 respectively. Calculate the average information of the Source. 
6.Why is Huffman code called as minimum redundancy coding? 
7.What is SDMA? 
8.What is near - far problem? 
9.Classify the communication satellites along with their band of frequency allocation. 
10.State the advantages of optical communication. 

Full Name :Arumugam.P
College Name :SNS College of Technology
Department :EEE
Semester :05
Subject Code :EC2311
Subject Name :Communication Engineering
Study Material Description :aaru edition 2014 QP

Attachment :

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