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EndsemNov 20242019 patternTE E&TC

Cellular Network SPPU Endsem Question Paper Nov 2024

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 2024
Max. marks
70
Time
2½ Hours
Semester
II
Paper code
[6353]-98

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

Instructions to the candidates

  1. Answer questions - Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right indicate full marks.
  4. Assuem Suitable data, if necessary.

Questions

  1. Q1

    1. a)

      Illustrate cell splitting in Cellular system. What is a microcell?

      [6]
    2. b)

      What are the reasons for choosing Hexagonal cells?

      [5]
    3. c)

      Define Frequency reuse and also illustrates the frequency reuse factor derivation.

      [6]

  2. Q2

    1. a)

      Explain in detail with diagram Cellular Network Architecture.

      Also asked:May 2024 ·May 2023

      [8]
    2. b)

      List types of handoffs. With neat diagram, describe the significance of handover in cellular systems with algorithm.

      Also asked:May 2024 ·May 2023

      [9]

  3. Q3

    1. a)

      Derive an expression to measure required transmitted power at station with link budget expression.

      Also asked:May 2024

      [6]
    2. b)

      Over a 20 min observation interval, 40 subscribers initiate calls. Total duration of calls is 4800 sec. Calculate load offered to N/W by subscribers and average subscribers traffic.

      [6]
    3. c)

      Derive the first Erlang Distribution for Lost Call system.

      Also asked:Nov 2023

      [6]

  4. Q4

    1. a)

      How link budget analysis is carried out? Explain in detail.

      [6]
    2. b)

      Define blocking probability. With neat diagram and assumptions explain tele-traffic system model.

      [6]
    3. c)

      Explain Grade of Service and offered traffic with the help of equation. 2

      [6]

  5. Q5

    1. a)

      With the help of Block diagram Illustrate LTE architecture.

      Also asked:Nov 2025

      [6]
    2. b)

      Differentiate between adhoc network and infrastructure based wireless network.

      [6]
    3. c)

      Explain 5G with its architecture.

      [6]

  6. Q6

    1. a)

      With neat diagram, explain in detail Evolved Packet Core architecture of LTE.

      Also asked:May 2023

      [6]
    2. b)

      Compare 3G, 4G and 5G mobile technology.

      [6]
    3. c)

      Compare different WiFi protocols.

      [6]

  7. Q7

    1. a)

      Illustrate Weighted Round Robin Scheduling.

      [6]
    2. b)

      Write short note on power control in wireless communication.

      [6]
    3. c)

      Illustrate the use of Network coding for Content Distribution in a Multi- Hop Network.

      [5]

  8. Q8

    1. a)

      What is Network Coding (NC)? Explain with example.

      [5]
    2. b)

      Illustrate the use of power control in different functionalities in cellular network.

      [6]
    3. c)

      With reference to Scheduler Design, explain following components in brief: i) Classifier ii) Channel Quality iii) Scheduler 

      [6]