Pune University BE IT Mobile Computing Question Papers

B.E. (IT) MOBILE COMPUTING (2008 Pattern) (Elective – II) (Sem. – I)

Time :3 Hours]                                                                                              [Max. Marks :100

Instructions to the candidates:-

1)            Answers to the two sections should be written in separate books.

2)            Assume suitable data, if necessary.

SECTION – I

QI) a) What is handoff mechanism? Explain the concept of soft handoff and hard handoff.        [8]

b) Explain the architecture of basic cellular system.                                            [8]

OR

Q2) a) Explain how a small frequency spectrum is used in cellular system. [8]

b) What is cell splitting? Explain why is it necessary to split the cell.             [8]

Q3) Explain GSM architecture, entities in detail along with its security issues.[18]

OR

Q4) Write short notes on :                                                                               [18]

a)                                 USSD

b)        GSM TDMA frame

c)        VLR overflow problem

Q5) a) Explain the SMS architecture along with its features.                                        [8]

b) What is number portability? Explain its various types.                                                                    [8]

OR

Q6) a) Explain the service node approach and hot billing approach used in mobile prepaid service.                                                                                                                               [8]

b) Explain in detail ‘International roaming in GSM’.                                                                             [8]

 

SECTION – II

Q7) a) Explain features, advantages and limitations of GPRS.                                     [8]

b) Explain WAP model in detail.                                                                            [8]

OR

Q8) a) Explain GPRS architecture in detail.                                                                     [8]

b) Differentiate 2G and 3G mobile services and hardware features.                [8]

Q9) a) What is the importance of home agent and foreign agent in mobile IP?

[8]

b) Explain various features and header format of IPv6.                                      [8]

OR

Q10) a) Write a detailed note on MANET.                                                                        [8]

b) Explain DSDV and DSR in brief.                                                                      [8]

QII) Write short notes on :                                                                                                 [18]

a)        Bluetooth technical features.

b)                            WLL

c)                            RFiD

OR

Q12) Write short notes on :                                                                                                [18]

a)     WLAN

b)    FHSS and DSSS

UMTS

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