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InsemMar 20242019 patternBE E&TC

Mobile Computing SPPU Insem Question Paper Mar 2024

All 4 questions from this SPPU insem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated Mobile Computing questions
Subject code
404191 (E)
Pattern
2019 pattern
Exam
Insem
Session
Mar 2024
Max. marks
30
Time
1 Hour
Semester
VIII
Paper code
[6270]-85

Printed for: B.E. (E & TC) (Insem)

Instructions to the candidates

  1. Answer Q.1 or Q.2, Q.3 or Q.4.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right side indicate full marks.
  4. Use of Calculator is allowed.
  5. Assume suitable data if necessary.

Questions

  1. Q1

    1. a)

      What do you mean by spread spectrum? List its types and explain any one with neat block diagram.

      [5]
    2. b)

      Define Mobile Computing. List the applications of mobile computing.

      [5]
    3. c)

      Explain the terms hidden terminal and exposed terminal.

      [5]

  2. Q2

    1. a)

      Explain classical Aloha and slotted Aloha with a neat sketch.

      [5]
    2. b)

      Compare FDMA, TDMA and CDMA.

      Also asked:Feb 2023

      [5]
    3. c)

      Consider a slow FHSS system with m-ary FSK with number of bits per symbol = 2, two symbol per hop and PN sequence generated output with binary message of 011011011000. The message is transmitted using following PN sequence with K=3 {001 110 101 000 101}. Plot output of the system.

      Also asked:Feb 2023

      [5]

  3. Q3

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [5]
    2. b)

      Draw and explain GPRS architecture.

      [5]
    3. c)

      Explain connection establishment steps of Mobile Originated Call (MOC) in GSM.

      Also asked:Feb 2023

      [5]

  4. Q4

    1. a)

      Explain different algorithms used to make GSM secure. Draw a neat diagram and elaborate it.

      [5]
    2. b)

      Draw and explain 5G network architecture.

      Also asked:Mar 2025

      [5]
    3. c)

      This part has equations that don’t show as text. Open the PDF to read it.

      [5]