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EndsemNov 20252019 patternTE E&TC

Cellular Network SPPU Endsem Question Paper Nov 2025

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated Cellular Network questions
Subject code
304192
Pattern
2019 pattern
Exam
Endsem
Session
Nov 2025
Max. marks
70
Time
2½ Hours
Semester
VI
Paper code
[6583]-92

Printed for: T.E. (E & TC)

Instructions to the candidates

  1. Answer Q.1 or Q.2, Q.3. or Q.4, Q.5 or Q.6, and Q.7 or Q.8.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right side indicate full marks.
  4. Assume suitable data if necessary.
  5. Use of calculators is allowed.

Questions

  1. Q1

    1. a)

      Define Interference and explain different types of interference in mobile Cellular System.

      [5]
    2. b)

      Explain the concept of cell sectoring.

      [5]
    3. c)

      Consider a cellular network with N=48 channels per cell and blocking probability 2%. The traffic per user A0=0.04E, cell radius = 1km of 1 user, city area = 603km. Calculate number of users and number of cells.

      [7]

  2. Q2

    1. a)

      What are the reasons for choosing Hexagonal cells? List the methods to improve coverage and capacity in cellular systems.

      [5]
    2. b)

      Briefly discuss the process of channel assignment in cellular networks.

      [6]
    3. c)

      If a total of 33MHz of a bandwidth is allocated to a particular cellular telephone system, which uses two 25KHz simplex channels to provide a full duplex voice and control channels. Compute number of channels per cell if a system uses: i) Four cell reuse ii) Seven cell reuse iii) Twelve cell reuse 2

      [6]

  3. Q3

    1. a)

      Explain the following terms : i) Trunking ii) Blocking probability iii) Grade of service

      [8]
    2. b)

      How does SNR affect Link budget? Explain with example.

      [10]

  4. Q4

    1. a)

      Explain in detail about the link budget design equation using path loss models.

      [8]
    2. b)

      Determine relationships between the following three factors : - quality of service - traffic load - system capacity

      [10]

  5. Q5

    1. a)

      List out and explain in brief Disruptive technologies for 5G.

      [8]
    2. b)

      What is the main role of LTE? Explain the standards of LTE.

      [9]

  6. Q6

    1. a)

      With a neat block diagram, explain the LTE network architecture.

      Also asked:Nov 2024

      [9]
    2. b)

      List out various challenges and requirements for 5G service.

      [8]

  7. Q7

    1. a)

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

    2. b)

      What is the full form of MAC? What is the main purpose of MAC layer in mobile communication?

  8. Q8

    1. a)

      Exblain the layer that,performs scheduling and mapping of logical channel data onto the transport channels provided by the physical layer.

      [9]
    2. b)

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

      [9]