B.TechSemester 72021-22Wireless Mobile CommunicationKEC-076
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Wireless Mobile Communication (KEC-076) - AKTU Question Paper 2021-22

B.Tech · Semester 7 · Free PDF Download

This is the official AKTU Wireless Mobile Communication Previous Year Question Paper for B.Tech Semester 7, academic session 2021-22. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 7
Session:2021-22
University:AKTU / UPTU

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Questions Asked in 2021-22

Wireless Mobile Communication (KEC-076) — complete question paper

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 10 = 20
  • a
    Explain the tradeoffs between the system capacity and co-channel interference
  • b
    Write the name of channel assignment strategies in mobile radio propagation
  • c
    Define the term Multiple Access
  • d
    Write down the types of space diversity techniques
  • e
    Illustrate various persistent methods in CSMA
  • f
    Define the term Equalization
  • g
    Discuss the uplink and downlink frequency band of GSM
  • h
    Define specifications of LEO, MEO and GEO. i. Discuss the advantages of NGN networks. j. Compare Wi-Fi and WiMax
Section BAttempt any three o f t h e f o l l o w i n g : 10 x 3 = 30
  • a
    I l l u s t r a t e t h e MAHO technique and Queuing concept in hand off. Also explain the different types of handoff in mobile communication. b. Explain pn sequence generation process with the help of 3 bit linear feedback Shift register. c. Compare the throughput efficiencies and vulnerable time of pure ALOHA and Slotted ALOHA with the help of proper formulation. d. Explain the network architecture of UMTS. Also give brief view of IMT2000. e. Explain Wi-Fi and WiMax Standards
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 10 x 1 = 10
  • a
    If a signal to interference ration of 15dB is required for satisfactory forward channel performance of a cellular system, Calculate the frequency reuse factor and cluster size that should be used for maximum capacity if the path loss exponent is (a) n=4, (b) n=3? Assume that there are 6 co-channel cells in first tier, and all of them are at the same distance from the mobile. Use suitable approximations
  • b
    Explain Frequency Reuse concept with the help of proper cel lular diagram. Also draw
  • a
    cellular system with 19-cell reuse and locate the co-channel cells for this system
  • a
    Classify and explain different types of vocoders. Also give properties of speech signal
  • b
    Illustrate the different types of Frequency Hopped Multiple Access with the help of proper hop timing diagram
  • a
    Illustrate various Equalization techniques with the help of proper block diagram
  • b
    Explain FDMA and TDMA in detail with suitable diagram
  • a
    Explain GSM with the help of proper network architecture bl ock diagram. Also give brief view of various Interface standards in GSM
  • b
    Explain Long term evolution (LTE) architecture in detail wi th diagram. Also give brief view of mobile satellite communication
  • a
    Write Short Note on (i) Mobile Adhoc Network (MANET) (ii) Bluetooth
  • b
    Write Short Note on (i) Light Fidelity (ii) Introduction to 4g and 5g

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — KEC-076

Questions that appeared in more than one session, found by comparing 3 years of Wireless Mobile Communication papers (2021-22, 2022-23, 2024-25)

2x

Illustrate various persistent methods in CSMA

Appeared in: 2021-22 · 2024-25

2x

Discuss the uplink and downlink frequency band of GSM

Appeared in: 2021-22 · 2024-25

Wireless Mobile Communication — Other Year Papers

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