When digital data need to be converted into analog signal? How MSK and GMSK converts digital data into analog signals? Demonstrate with example. [10]
2.
Explain inter symbol reference and Raised Cosine Pulse in detail. [5]
3.
Why pulse shaping technique is used? Explain any one pulse shaping technique. [5]
Equalization, Diversity and Channel Coding
1.
What is meant by equalization? How equalization is done in wireless communication? Discuss any one algorithm. [5]
Fundamentals of Cellular Network
1.
Discuss the problems of 3G technologies and how these problems are addressed in 4G? [5]
Mobility Management in Wireless Network
1.
How dynamic locations are managed in cellular networks? Explain. [5]
2.
Why tunneling is necessary? How tunneling is done in mobile IP? Explain. [5]
Multiple Access in Wireless Network
1.
Explain the concept of time and frequency division multiplexing briefly. Discuss working of TDMA in detail. [10]
Overview of Wireless Communications and Systems
1.
Write short notes on a. Challenges of Wireless communication b. CDMA [5]
Wireless Channel Characterization
1.
Explain free space propagation model. If transmitter power 1W carrier frequency is 2.4GHz and receiver is at distance 2 km. Assume that transmitter and receiver antennas gains are 1.6. Express the transmit power in dBm and dBW and find path loss in dB. [10]
2.
Discuss the concept of large scale fading and explain fading due to multipath time delay spread. [5]
Wireless Internetworking
1.
List out routing protocols used in wireless communication? Discuss the working of Adhoc routing protocol [5]