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EC2311 Communication Engineering UNIT 4 and Unit 5 Important Questions

Anna University

Department of Electronics and Communication Engineering

Unit 4 and 5 Important Questions


Semester : V
Deptartment : B.E EEE

Content : Unit 4 and 5 Important Questions

Part - A
1. Define orbital satellite.
2. What are the advantages of optical fiber communication?
3. Write the applications of spread spectrum.
4. Draw the model of spread spectrum.
5. Define Prograde Orbit.
6. Define apogee and perigee
7. How the number of channels available is calculated in TDMA?
8. Write the features of CDMA.
9. What are the disadvantages of Injection Laser diode?
10. State numerical aperture.

Part - B
1. Explain about Power line carrier communication and SCADA (8)
2. Explain about geo stationary satellite. (8)
3. Derive the overall carrier to noise ratio for a satellite system. (8)
4. Explain about satellite uplink with necessary diagrams and equations.
5. Explain about Satellite earth station with neat diagram.
6. Explain TDMA with its block diagram.
7. Explain SDMA applications in wired and wireless communications.(10)
8. Explain FDMA with its block diagram. (16)
9. Explain CDMA with its block diagram. (16)
10. Explain model of spread spectrum. (6)
11. Explain about the light detectors. (16)
12. Derive the numerical aperture of a fiber (8).
13. Explain about the light sources used in optical fiber. (16)

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