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Mobile Communication And Computing Question Paper - May 17 - Computer Engineering (Semester 6) - Mumbai University (MU)
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Mobile Communication And Computing - May 17
Computer Engineering (Semester 6)
Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.
Q.1 Attempt any 4.
(a) What is frequency reuse concept in cellular communication?
(5 marks)
00
(b) Explain various types of handoffs in GSM network.
(5 marks)
00
(c) Explain wireless local loop.
(5 marks)
00
(d) What is hidden and exposed terminal problem? Discuss solutions to these problems.
(5 marks)
00
(e) What is an antenna. Explain different types of antennae.
(5 marks)
00
Q.2
(a) Explain in detail Bluetooth protocol architecture.
(10 marks)
00
(b) Explain Hiperlan2.
(10 marks)
00
Q.3
(a) Why is mobile IP packet required to be forwarded through a tunnel. Explain minimal technique of encapsulation.
(10 marks)
00
(b) Explain the functioning of I-TCP and SNOOP-TCP giving advantages and disadvantages of both.
(10 marks)
00
Q.4
(a) Explain GSM in detail.
(10 marks)
00
(b) Explain how Mobile Terminated Call works detailing the role of HLR and VLR.
(10 marks)
00
Q.5
(a) Explain in detail 3G architecture.
(10 marks)
00
(b) Explain UTRA-FDD and TDD modes.
(10 marks)
00
Q.6 Write short notes on any (02) [20]
$\hspace{10mm}$(a) Security issues in mobile computing
(5 marks)
00
$\hspace{10mm}$(b) UMTS.
(5 marks)
00
$\hspace{10mm}$(c) Android components
(5 marks)
00
$\hspace{10mm}$(d) Satellites (GEO and LEO)
(5 marks)
00
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