Mobile Communication & Computing - Dec 2015

Computer Engineering (Semester 6)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks. 1(a) Draw and Explain Electromagnetic Spectrum for Communication.(5 marks) 1(b) Explain agent Advertisement in Mobile IP(5 marks) 1(c) Explain the difference between Adhoc Network and infrastructure based wireless networks.(5 marks) 1(d) Explain the U_m interface of GSM(5 marks) 2(a) Explain how a Bluetooth network using baseband state translations.(10 marks) 2(b) Explain Mobile call termination in GSM, detailing the need and the use of MSRN, IMSI, TMSI no.s(10 marks) 3(a) Compare various IEEE 802.11x standards (a/b/g/i/n etc)(10 marks) 3(b) Explain the functioning of Mobile- TCP(10 marks) 4(a) Why does the Mobile IP packet required to be forwarded through a tunnel.
Explain Generic techniques of encapsulation of Mobile IP packet(10 marks) 4(b) Explain difference in GSM, GPRS and UMTS.(10 marks) 5(a) Explain UMTS architecture. Explain UTRA-FDD and TDD modes.(10 marks) 5(b) Explain Security issues in wireless communication, typically for cellular networks.(10 marks)

Short Notes on any 4

6(a) Satellite Communication(5 marks) 6(b) Android Framework(5 marks) 6(c) HIPERLAN 1 Vs HIPERLAN 2(5 marks) 6(d) PSTN(5 marks) 6(e) Cellular IP(5 marks)