Monday, June 22, 2015

BE ETC Mobile Communication Systems MU 2013 Question Paper


B.E. Electronics and Telecommunication Download of Model Sample Old Previous Years Question Papers Collection of Mumbai University - B.E. Electronics and Telecommunication Export Marketing 2013 Seventh VII Semester Question Paper:-

Question Paper University : Mumbai University
Question Paper Course : B.E. Electronics and Telecommunication
Semester : 07
Question Papers : 2013 Question Paper
Subject : Mobile Communication Systems
Paper Code : Con.8710-13 LJ-14017
Time for Question Paper : 03 hours
Total Marks : 100
Download details of Question Paper Content Type : Texts
Number of Pages in Download of Question Papers : 01

B.E. Electronics and Telecommunication
Con.8710-13 LJ-14017
Revised Course
3 Hours Total Marks 100
NB: (1) Question 1 is compulsory.
(2)Attempt any four questions out of the remaining six questions.
(3)Assume suitable data wherever necessary.

1. (a) Discuss the non-linear effects of FDMA.
(b) Explain cell dragging and dwell time.
(c) Explain handoff strategies for 1G to 3G cellular systems.
(d) Discuss about frequency reuse in cellular systems.

2. (a) Explain GSM protocol architecture in detail.
(b) Explain signal processing in GSM.

3. (a) Explain block called delay and block called cleared system.
(b) Discuss different methods used for improvement of cellular capacity with suitable diagram.

4. (a) With suitable diagram explain role of Rake Receiver.
(b) A transmitter which radiates a frequency of 1850 MHz for a vehicle moving 60mph, calculate the received carrier frequency if the mobile is moving :-
(a) Directly towards the transmitter
(b) Directly away from the transmitter
(c) In the direction which is perpendicular to the direction of arrival of the transmitted signal.

5. (a) Compare SDMA, TDMA, CDMA and FDMA system.
(b) Explain frequency and channel specifications of IS-95.

6. (a) Explain handoff in 3G system.
(b) Elaborate on forward W-CDMA Channel.

7. Write short notes on any two:-
(a) 3G CDMA evolutionary path
(b) Security and Authentication in GSM
(c) Discuss GPRS Technology 
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