Calicut University 2007 B.E Electronics and Instrumentation Engineering SEVENTH SEMESTER B.TECH (ENGINEERING) - WIRELESS COMMUNICATION SYSTEMS - Question Paper

D 42548

SEVENTH SEMESTER B.TECH (ENGINEERING) DEGREE EXAMINATION, DECEMBER 2007
AI 04 705 (B) WIRELESS COMMUNICATION SYSTEMS

Time: 3 Hours Maximum: 100 Marks

I.

a) List the advantages of microwave communication.

b) Write short notes on Satellite navigations.

c) Write the frequency reuse concept.

d) Give example for 3rd generation wireless networks.

e) Explain how the effects of small scale fading are decreased.

f) Briefly discuss about satellite orbits.

g) Write the features of SDMA.

h) Write the functions of Wireless Local Loop.

(8 x 5= 40 marks)

II.(a) discuss the concept of spacing and frequency allocation in satellite communication.

Or

(b) discuss the principle of FM microwave radio systems.
(15 marks)

III.(a) discuss how the spreading sequences are generated in spread spectrum systems.

Or

(b) explain the principle and applications of wireless LAN.

(15 marks)

IV.(a) discuss the capacity improvement techniques in cellular systems.

Or

(b) discuss the practical link budget design using log distance path loss model .

(15 marks)

V.(a) discuss GSM Architecture with neat diagrams .

Or

(b) discuss the multiple access techniques used in wireless communication.

(15 marks)

(4 x 15=60 marks)

Earning:   Approval pending.