VTU Previous Question Papers BE EC 8th Semester Wireless Communication June 2010


VTU Previous Question Papers BE EC 8th Semester

Wireless Communication June 2010

 

Note: Answer any FIVE full questions, selecting at least TWO questions from each part.

PART-A

1 a. Determine the frequency reuse distance for a cell radius of 2 kilometers and a cluster size of 4.
b. Explain the need of supervisory audio tones and signaling tone for the AMPS system.
c. Mention the differences between 1 G and 2 G cellular systems.
d. List out the characteristics of 3 G cellular system. 
2 a. With a neat block diagram, explain the functions performed by various blocks of a
subscriber device.
b. Write the format and purpose of various cellular components identifications. 
3 a. With neat diagrams, explain various bursts used in GSM.
b. Describe the process of power control used by cellular systems and mention its advantages.
4 a. With a neat sketch, explain GSM signaling model.
b. Explain the basic functions performed by location management. 

 

PART-B

5 a. Explain the Inter – BSC handover in GSM.
b. With a neat block diagram, explain the generation of CDMA reverse access channel.
6 a. Explain the radio-resource connection establishment process during call setup in GSM.
b. Describe the soft handoffs process in CDMA.
7 a. Illustrate the channel encoding and interleaving in GSM for voice traffic.
b. Describe Bluetooth wireless PAN Adhoc network topologies.

 

8 a. Describe the differences between wireless LAN and wireless PAN technologies.

b. Explain with a block diagram, the function of Rake receiver.

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