M.Tech-M.Tech Computer Science 4th Sem MOBILE CELLULAR COMMUNICATIO(Acharya Nagarjuna University (ANU), Guntur, Andhra Pradesh-2012)
Sunday, 25 August 2013 10:42anudouglas
(Examination at the end of Final Year)
Computer Science
Elective II — Paper IX — MOBILE CELLULAR COMMUNICATION
Time : Three hours Maximum : 75 marks
Answer Question No. 1 compulsorily. (15)
Answer ONE question from each Unit. (4 × 15 = 60)
1. Explain briefly on the following :
(a) Write a short notes on cellular mobile system. (2)
(b) Define cell splitting. (2)
(c) What is a cross talk? (3)
(d) What is meant by power difference hand off?
(2)
(e) Write a note on digital speech. (2)
(f) Define TDMA scheme. (2)
(g) Define interleaving. (2)
UNIT I
2. (a) Explain about analog and digital cellular systems.
(b) Explain about the basic components of basic cellular systems.
Or
3. (a) Explain about the co-channel interference.
(b) Explain about the significance of omni-directional antenna system.
UNIT II
4. (a) Explain about frequency management.
(b) Explain about the frequency spectrum utilization.
Or
5. (a) Explain about mobile assisted hand off.
(b) Explain about the intersystem hand off.
UNIT III
6. (a) Explain about ARQ techniques.
(b) Differentiate between TDMA and CDMA.
Or
7. (a) Explain about Digital Mobile Telephony.
(b) Explain GSM.
UNIT IV
8. (a) Explain about the applications of Intelligent micro cell systems.
(b) Explain about CDMA cellular radio network.
Or
9. (a) Explain about AIN.
(b) Explain about SS7 and ISDN for AIN.
| Earning: ₹ 5.00/- |
