Wireless Networking 2075

Attempt all questions.

1. What are the difference between wired and wireless communication networking? Explain the wireless communication standards. (2+4)

2. Explain the types of small scale fading (including time delay and Doppler spread) (6)

3. Discuss briefly any two digital modulation techniques. (3+3)

4. Explain the types of diversity with its application example. (6)

5. What is the difference between co-channel interference and adjacent channel interference? Derive the equation for the signal to interference ratio. (2+4)

8. What is the meaning of frequency re-use and re-framing? Explain with example. (6)

6. Define the following terms properly. (3x2)

a) Radio cell

b) Random Access

c) Control Channel

7. How cell sectoring can be used to increase the capacity of a cellular system? Explain. What are the drawbacks of cell sectoring? (4+2)

9. Explain in detail the wireless Ad-Hoc network with neat diagram. (6)

10. Write short notes on (any two): (3+3)

a) Channel Equalization

b) Forward Channel

c) Transmission Error