Anna University Chennai 2007 B.Sc Computer Science Mobile Computing - Question Paper

B. Sc. DEGREE exam

MOBILE COMPUTING

Time : 3 Hours Maximum : 100 marks

PART A (10 x two = 20 marks)

1. What is a guard space?
2. What is CMDA?
3. List the 4 possible handover and scenarios in GSM
4. Define inclination angle and elevation angle
5. Give the 802.11 PHY frame format using DSS
6. What are the low power states of a blue tooth device?
7. What is a care of address?
8. What are the routing metrics in wireless adhoc network?
9. What is a wireless Telephony application?
10. List the classes of transaction service of WTP.

PART B (5 x 16 = 80 marks)

11. (a) explain in detail the Wireless Transaction Protocol. (16)
(or)
(b) explain in detail the Wireless Session Protocol (16)

12. (a) discuss time division multiple access (16)

(or)
(b) (i) explain the spread spectrum techniques (10)

(ii) What is Code Division Multiplexing? Explain (6)

13. (a) (i) explain in detail localization, calling and handover in GSM (10)

(ii) discuss the kinds of orbits in satellite system (6)

(or)

(b) (i) discuss the GSM system architecture (12)

(ii)Explain the protocol architecture of DECT (4)

14. (a) explain in detail the medium access control mechanism of ICCC 802.11 (16)

(or)
(b) (i) discuss the info bases and networking of adhoc HIPERLAN. (8)

(ii) explain MAC layer bluetooth system (8)

15. (a) (i)Describe tunneling and encapsulation in Mobile IP (8)
(ii) explain in detail dynamic source routing (8)

(or)
(b) (i) Write short notes on reverse tunneling (4)

(ii) discuss IP packet delivery, agent advertisement, discovery and registration process in mobile IP (12)

Earning:   Approval pending.