Mobile Communication And Wireless Communication - Dec 2015

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) What is GSM? Explain how a call is routed in GSM with diagram.(7 marks) 1(b) What is Internet Content Adaptation Protocol (ICAP)? Explain its significance in communication applications.(7 marks) 2(a) Establish the relationship between PLMN and GPRS. Explain it using block diagram.(7 marks)

Solve any one question from Q.2(b) & Q.2(c)

2(b) What is CDMA? Explain the orthogonal codes for it.(7 marks) 2(c) How mobile IP works? Explain tunnelling with mobile IP.(7 marks)

Solve any one question from Q.3 & Q.4

3(a) What is MANET? List its protocols and explain any one in detail.(7 marks) 3(b) Discuss security issues with wireless networks.(7 marks) 4(a) Explain Wi-Fi and Wi-Max technology in detail. Also discuss the differences.(7 marks) 4(b) What is frequency hopping in spread spectrum? Explain TDMA in detail(7 marks)

Solve any one question from Q.5 & Q.6

5(a) Explain the functionality of HLR and VLR in call routing.(7 marks) 5(b) What is RFID? Differentiate active and passive RFID with diagrams.(7 marks) 6(a) Explain PUSH and PULL short messaging service in detail(7 marks) 6(b) Explain WAE with its model with client, gateway and server.(7 marks)

Attempt ANY FOUR

7(a) Bluetooth Protocol Stack(3 marks) 7(b) Ipv6(3 marks) 7(c) Piconet in Bluetooth(4 marks) 7(d) Session Initiation Protocol (SIP)(4 marks) 7(e) 2G v/s 3G(3 marks)