Hello There, Guest! RegisterLogin with Facebook
Login with Facebook

New Anna University Nov / Dec 2016 Examination Important Questions
New Anna University (UG / PG) Nov/Dec 2016 and Jan 2017 Theory , Practical Exam Timetable
>>> Anna University Sixth Semester Question Bank Collection (R2013) ECE,MECH,CSE,IT,EEE,CIVIL,EIE
>>> Anna University November/December 2015 Examination Question Papers
>>> Anna University Study Materials for all Departments
>>> Anna University Question Papers : April May June 2015 Question Papers | Nov Dec 2014 and Jan 2015 Question Papers

Register or Login to Submit Study Materials , Shoutbox and also to access Many Features !!

Vidyarthiplus Shop :: Handwritten Premium Lecture Notes
Share your Study Materials with us
Share your Study Materials with us : Click Here

EC1451-MIBILE COMMUNICATION APRIL/MAY 2010 question paper
#1


B.E/B.TECH. DEGREE EXAMINATION, APRIL/MAY 2010
EIGHTH SEMESTER
ELECTRONICS AND COMMUNICATION ENGINEERING

EC 1451-MIBILE COMMUNICATION
(REGULATION 2004)
(Common to B.E (part time) seventh semester regulation 2005)

Time:3 hrs Maximum:100 marks

Answer ALL Questions

PART A(10*2=20 marks)

1.List any four advantage of third generation (3G) mobile networks

2.Write down the formula for co-channel reuse ratio.

3.What is Doppler shift.

4.What is meant by coherence bandwidth.

5.Name the four space diverrsity receptiob technique.

6.Define absolute bandwith.

7.what is meant by vocoders.

8.What is self-jamming in CDMA.

9.What is the purpose of SIM.

10.What are the five functional entities of a DECT system.


PART B (5*16=80 marks)


11. (a) (i) Explain in detail the various cellular components. (8)


(ii)Explain the fundamentals of Digital cellular systems. (8)

OR
(b) (i) Explain the process of operation of paging systems. (8)

(ii)Describe the steps involved in making a cellular telephone call (8)

12. (a) Derive the Impluse response model of a multiplepath channel. (16)
OR
(b) Explain in detail about type of small scale fading. (16)

13. (a)(i)Write a note on RAKE recevier, with block diagram. (10)
(ii)Explain frequency diversity and time diversity . (6)

OR
(b)Explain the concept of minimum shift keying and Gaurion MSK (16)

14. (a) Explain TDMA and discuss the time division Multiple acess frame structure (16)

OR
(b) (i) Draw the block diagram of RELP encoder. Explain the function of coder. (6)
(ii)Enumerate the process for selecting the optimum excitation signal (10)

15. (a) (i) Discuss the features and service of GSM. (8)
(ii)Explain the GSM system architecture with the neat sketch. (8)

OR

(b) discuss the channels and cellular operation in Advanced Mobile Phone
Systems(AMPS). (16)

“Work hard in silence, let your success be your noise...”


Reply

Subscribe


Recommend on Google