Question Paper: Mobile Computing : Question Paper May 2013 - Computer Engineering (Semester 7) | Mumbai University (MU)

Mobile Computing - May 2013

Computer Engineering (Semester 7)

(1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks.
1(a) What do you mean by Near and Far terminals problem?(5 marks) 1(b) Explain VOIP service for Mobile Networks.(5 marks) 1(c ) What is the use of HLR and VLR registers in mobile computing?(5 marks) 1(d) Explain different types of spread spectrum techniques used in cellular systems?(5 marks) 2(a) Draw a neat diagram of GPRS system architecture and explain with different types of interfaces. (10 marks) 2(b) Explain protocol architecture of 802.11(10 marks) 3(a) Explain I-TCP and M-TCP in detail.(10 marks) 3(b) Explain Wireless datagram protocol.(10 marks) 4(a) Explain various protocols of MANET Routing protocols .(10 marks) 4(b) Describe the Mobile satellite system (LEO & GEO)(10 marks) 5(a) Explain Handoff management technique used in cellular systems.(10 marks) 5(b) Explain motivation of WATM. Also explain WATM generic reference model.(10 marks) 6(a) Explain UTRA FDD, TDD mode in detail. (10 marks) 6(b) Compare 802.11 and 802.15.(10 marks)

Write short notes on any four :-

7(a) RFID(5 marks) 7(b) M-commerce(5 marks) 7(c) Wireless sensor Networks(5 marks) 7(d) H.323 Network(5 marks) 7(e) WML script(5 marks)

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