Mobile Communication & Computing - Dec 2016

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) Explain in short Time slot hierachy of GSM system.(4 marks) 1(b) Explain in short Wireless Local Loop Architecture.(4 marks) 1(c) What are the general problems of satellite signals travelling from a satellite to a receiver?(4 marks) 1(d) Explain how Mobile originated call (MOC) work?(4 marks) 1(e) What are the characteristics of SIM?(4 marks) 2(a) List the entities of mobile IP and describe data transfer from a mobile node to a fixed node and vice versa.(10 marks) 2(b) What are the modification require to an existing GSM network to be upgraded to GPRS, Explain with the help of diagram.(10 marks) 3(a) Explain in Detail IEEE 802.11 MAC sublayer.(10 marks) 3(b) Comapare 3G and 4G.(10 marks) 4(a) Explain in detail Bluetooth Protocol Architecture.(10 marks) 4(b) Explain in detail how Subscribe Authentication is done GSM.(10 marks) 5(a) Comapare HIPERLAN2, BLUETOOTH, IEEE 802.11.(10 marks) 5(b) What are the different types of Handover in Satellite system? Explain in detail.(10 marks) 6(a) Satellite orbits.(5 marks) 6(b) Android framework.(5 marks) 6(c) Cellular IP.(5 marks) 6(d) Digital Certificate.(5 marks)