Wireless Communication 2018 Question Paper — Government College of En…
The 2018 Wireless Communication previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.
- University: Government College of Engineering and Technology, Jammu
- Subject: Wireless Communication
- Course: WIRELESS COMMUNICATION
- Branch: Electronics & Comm. Engg.
- Year: 2018
- Paper: end-term
- Duration: 180 minutes
- Total marks: 100
Instructions
- Attempt five questions in all, selecting at least two from each section.
Questions
Section A
- Q1. (a) How does frequency reuse contribute to efficient spectrum utilization in cellular networks ? (10) (b) Explain the concept of handoff in cellular communication. Why is it necessary, and how does it ensure seamless connectivity for mobile users ? (10)
- Q2. (a) What is co-channel interference. If the acceptable signal to co-channel interference ratio in a certain system is 18 dB and $k = 4$. What is the minimum cluster size ? (10) (b) What are the different techniques used for increasing the system capacity ? Explain cell splitting in detail with aid of diagram. (10)
- Q3. (a) What is small scale fading. What are the factors that influence it. (10) (b) Explain the terms : Coherence Bandwidth, Coherence Time, rms delay spread and Doppler shift. (10)
- Q4. (a) How does scattering and reflection effect the signal propagation. (5) (b) What are the different types of small scale fading ? (15)
Section B
- Q5. (a) What is Diversity and why is it required ? What are the different diversity techniques ? Explain frequency diversity. (10) (b) What is Rake receiver ? Explain its working. (10)
- Q6. (a) Differentiate between static and dynamic channel allocation. (5) (b) Explain TDD and FDD. (5) (c) Explain FDMA in detail. What access system is used by GSM ? (10)
- Q7. Explain MSK in detail with aid of waveforms. Show how phase continuity is maintained in MSK. (20) [20 marks]
- Q8. Write technical notes on : (a) Wi-Fi (10) (b) GSM architecture. (10)
Related pages
Other years
- Wireless Communication 2018 question paper — end-term
- Wireless Communication 2018 question paper — supplementary