Question Paper: Mobile Communication & Computing : Question Paper May 2016 - Computer Engineering (Semester 6) | Mumbai University (MU)

Mobile Communication & Computing - May 2016

Computer Engineering (Semester 6)

(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 how Hidden Station Problem is Avoided in WLAN.(4 marks) 1(b) What are the Deployment issues of WLL?(4 marks) 1(c) What are the general problems of satellite sigmals travelling form 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) Why is Mobile IP packet required to be forwarded through a tunnel. Explain IP-in-IP Techniques of encapsulation of mobile IP Packet.(10 marks) 2(b) What are the modifications require to an existing GSM network to be upgraded to GPRS, Explain with the help of diagram.(10 marks) 3(a) Explain in detail HIPERLAN/1 physical layer.(10 marks) 3(b) Explain in detail 4G architecture.(10 marks) 4(a) Explain in detail Blutooth Protocol Architecture.(10 marks) 4(b) What are the security issues m mobile Computing.(10 marks) 5(a) Compare HIPERLAN 2, BLUETOOTH, IEEE 802.11.(10 marks) 5(b) What are the different types of Handover in GSM? Explain in detail Intra-MSC handover.(10 marks)

Write short notes on the following

6(a) Role of SUMR register in satellite roaming.(5 marks) 6(b) Android components.(5 marks) 6(c) Location management HLR-VLR scheme.(5 marks) 6(d) Digital Signature.(5 marks)

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