MU Computer Engineering (Semester 6)
Mobile Communication & Computing
May 2014
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1(a) What is Spread Spectrum?
5 M
1(b) Compare between IEEE 801.11 and HiperLAN2.
5 M
1(c) What is frequency reuse concept in cellular communication?
5 M
1(d) Compare 2G and 3G mobile communication systems.
5 M

2(a) Explain the GSM protocol architecture.
10 M
2(b) Describe the call initiation and call termination procedure in GSM system.
10 M

3(a) Explain IEEE 802.11 MAC frame Format in detail.
10 M
3(b) Describe tunnelling and encapsulation in Mobile IP.
10 M

4(a) With respect to Bluetooth protocol explain piconet and scatternet
10 M
4(b) Explain merits and demerits of snooping TCP and indirect TCP?
10 M

5(a) Describe WAP transport layer security
10 M
5(b) Compare between MEO and GEO satellite system.
10 M

6(a) Describe TETRA system architecture.
10 M
6(b) Compare between WCDMA and CDMA 2000
10 M

7(a) Write short Notes on Following:
5 M
7(b) RFID
5 M
7(c) Wireless ATM
5 M
7(d) Mobile agents
5 M



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