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ENEX 415Bachelor in Electronics, Communication and Information Engineering · Semester 71 Paper Available

Wireless Communication

Past examination question papers and complete curriculum syllabus for Wireless Communication (ENEX 415), Bachelor in Electronics, Communication and Information Engineering Semester 7 under Institute of Engineering (IOE), Tribhuvan University.

Sem 7 Subjects (6)View Full Semester Overview →
ENEX 411RF and Microwave EngineeringENEX 412RoboticsENEX 413Digital Signal ProcessingENEX 435-444Elective IIIENEX 414Project IENEX 415Wireless Communication
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Past Question Papers (PDF)

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Note: This question paper file (8th sem) was archived from an IOE exam session for the common Wireless Communication curriculum.

8th-sem_Wireless Communication.pdf

IOE Past Examination Paper

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Most Frequently Asked Questions

Top recurring IOE board exam questions for Wireless Communication with verified mark schemes, formula notation, and recurrence frequency.

Showing 40 of 40 top repeated questions
7 Chapters · Click any chapter to expand
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Year-wise & Session-wise Exam Papers

Complete questions from each exam session (Regular & Back exams from 2082 to 2069) for Wireless Communication. Click any session paper to expand.

Showing 64 questions across 7 exam session papers
Institute of Engineering • 2082 Bhadra Board Examination
Q1[4 Marks]Introduction to Wireless Communication Systems
Discuss the basic trends in wireless communication beyond 3G, focusing on key technological changes.
Q2[4 Marks]Cellular Concept: System Design Fundamentals
a) Explain two schemes for prioritizing handoff. Define terms grade of service, traffic intensity, average holding time and block call. [3+4] b) The cellular system has 32 cells, each cell has a radius and the system reuse factor is . The system is to support 336 traffic channels in total. Determine the total geographical area covered, the number of traffic channels per cell and the total number of simultaneous calls supported by this system.
Q3[2 Marks]Mobile Radio Propagation: Large-Scale Path Loss
a) Define the significance of term frequency dispersion in wireless communication. Derive the relation for doppler spread. [2+4] b) Find the mean path loss using Okumura's Model for , , in a suburban environment. If the BS transmitter radiates an EIRP oh at a carrier frequency of , find EIRP in dBm and the power at the receiver where gain of receiving antenna is . (Given: , ) [5] c) Define the terms coherence bandwidth and coherence time. What are the factors that influenced in indoor propagation model? Explain.
Q4[2 Marks]Modulation Techniques for Mobile Radio
Define spread spectrum modulation. Explain direct sequence spread spectrum with the block diagrams of transmitter and receiver.
Q5[2 Marks]Modulation Techniques for Mobile Radio
Describe a signal processing operation that minimizes the effects of ISI. What do you understand by RACK receiver? Explain the structure of linear transversal equalizer with appropriate diagram.
Q6[4 Marks]Cellular Concept: System Design Fundamentals
a) Define turbo coding. Construct Hadamard code. [2+3] b) What are different characteristics of speech signals? How they are used in designing of coders?
Q7[4 Marks]Multiple Access Techniques (FDMA, TDMA, CDMA, OFDMA)
a) Explain the implementation of CDMA with its encoding part and decoding part with relevant example. [7] b) Explain the block diagram of OFDM transmitting side. Also mention its advantage and disadvantage.
Q8[4 Marks]Wireless Networking and Cellular Standards (2G, 3G, 4G, 5G)
Explain the components of Network Switching Subsystem in GSM architecture. Illustrate GSM Frame hierarchy in GSM system.

Curriculum Syllabus & Course Topics

Sourced from TU curriculum portal
Full Syllabus (PDF)
Chapter-wise Units & Micro-Syllabus Topics (7 Units)

  1. 1. Introduction to Wireless Communication Systems

    4

  2. 2. Cellular Concept: System Design Fundamentals

    8

  3. 3. Mobile Radio Propagation: Large-Scale Path Loss

    6

  4. 4. Mobile Radio Propagation: Small-Scale Fading and Multipath

    8

  5. 5. Modulation Techniques for Mobile Radio

    6

  6. 6. Multiple Access Techniques (FDMA, TDMA, CDMA, OFDMA)

    6

  7. 7. Wireless Networking and Cellular Standards (2G, 3G, 4G, 5G)

    7

Examination Scheme & Marks Distribution

Evaluation Structure

  • Final Board Theory Exam: 60 Marks (Pass mark: 24)
  • Internal Assessment: 40 Marks (Pass mark: 16)
  • Practical / Lab Exam: 25 or 50 Marks (Continuous lab evaluation + viva, where applicable)

* This is the general current IOE 60/40 scheme; verify course-specific details in the syllabus above.

Exam Preparation Guidelines

  • Review the available past examination paper to understand question styling, typical derivation topics, and marks allocation.
  • Cross-reference key answers with official syllabus units, standard textbooks, and lecture notes.
  • Structure answers with labeled diagrams, concise bullet points, and highlight final answers in numerical solutions.
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Curriculum Syllabus & Marking Scheme