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Posted Date: 26 Nov 2008 Posted By: rajesh Member Level: Gold
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2008 Bharath Institute of Higher Education & Research M.C.A MOBILE COMMUNICATION University Question paper
PCA4E3/PCAE15
Bharath University,Chennai-73
MCA,IV Semister,May-June2008
PCA4E3/PCAE15-Moblie Communication
(2006 batch)
Time 3Hrs Maximum:100 Marks
[Marks10*2=20]
Part A
Answer All Questions
1. Define guard space.
2.Mention any two advantages of cellular systems with small cells for mobile communications.
3.Define hidden terminal problem.
4.Define the term 'Roaming ' in mobile communication.
5.What is the main difference between Infrared transmission and Radio transmission?
6.What are the characteristics of Adhoc Network?
7.What is handover of major importance to WATM?
8.What are the function of Mobile management function in WATM?
9.Define Tunneling.
10.Explain slow start TCP congestion control algorithm.
Part B [Marks 5 X 16=60}
Answer either (a) or (b) from each question
11. (a) Discuss about Antennas and signal propagation with respect to
mobile communications.
(OR)
(b). Discuss in detail the spread spectrum techniques.
12 (a) Draw the neat diagram of functions architecture of a GSM
system & explain the functions of main elements of GSM.
(OR)
(b)What characteristics do the different orbits have? What are their
pros and cons?
13 (a) Explain the power saving mechanisms in IEEE 802.11 and Bluetooth.
(OR)
(b) Discuss in detail the protocol architecture of HIPERLAN.
14 (a) Discuss in detail WATM reference model.
(OR)
(b) Name the components of location management, their function and outline.
Why they are needed.
15 (a) Discuss in detail Mobile IP packet delivery.
(OR)
(b) Compare the functioning of Mobile TCP, Snooping TCP and Indirect TCP.
****************
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