Mobile Communication And Wireless Communication - May 2016

Computer Engineering (Semester 7)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks. 1 (a) Explain Three Tier Architecture of Mobile Computing.(7 marks) 1 (b) What is Mobile IP? Explain Discovery, Registration and Tunneling with Mobile IP.(7 marks) 2 (a) Explain Bluetooth Protocol Stack in detail.(7 marks)

Solve any one question from Q2(b) & Q2(c)

2 (b) What is Handover? Explain GSM Architecture with suitable diagram.(7 marks) 2 (c) What is Frequency Reuse? Explain Frequency Allocation in GSM.(7 marks)

Solve any two question from Q3(a), Q3(b) & Q3(c), Q3(d)

3 (a) Explain Routing between PLMNs of GPRS.(7 marks) 3 (b) Explain SMMT and SMMO in SMS.(7 marks) 3 (c) What is PDP Address? Explain PDP Context Activation in GPRS.(7 marks) 3 (d) Explain MMS Architecture and transaction flow in MMS.(7 marks)

Solve any two question from Q4(a), Q4(b) & Q4(c), Q4(d)

4 (a) List and explain strength of SMS.(7 marks) 4 (b) Explain Wireless LAN security issues and also explain hidden & exposed terminal problem in wireless LAN.(7 marks) 4 (c) What is WAE? Draw its model with client, gateway and server.(7 marks) 4 (d) What is CDMA technology? Explain Direct Sequence Spread Spectrum.(7 marks)

Solve any two question from Q5(a), Q5(b) & Q5(c), Q5(d)

5 (a) Compare SIP and H.323.(7 marks) 5 (b) Explain WiFi and WiMax technology in detail.(7 marks) 5 (c) Explain Indirect TCP and Snooping TCP in detail.(7 marks) 5 (d) Compare GSM and CDMA.(7 marks)