Mobile Communication & Computing - May 2014

Computer Engineering (Semester 6)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks. 1(a) What is Spread Spectrum?(5 marks) 1(b) Compare between IEEE 801.11 and HiperLAN2.(5 marks) 1(c) What is frequency reuse concept in cellular communication?(5 marks) 1(d) Compare 2G and 3G mobile communication systems.(5 marks) 2(a) Explain the GSM protocol architecture.(10 marks) 2(b) Describe the call initiation and call termination procedure in GSM system.(10 marks) 3(a) Explain IEEE 802.11 MAC frame Format in detail.(10 marks) 3(b) Describe tunnelling and encapsulation in Mobile IP.(10 marks) 4(a) With respect to Bluetooth protocol explain piconet and scatternet(10 marks) 4(b) Explain merits and demerits of snooping TCP and indirect TCP?(10 marks) 5(a) Describe WAP transport layer security(10 marks) 5(b) Compare between MEO and GEO satellite system.(10 marks) 6(a) Describe TETRA system architecture.(10 marks) 6(b) Compare between WCDMA and CDMA 2000(10 marks)

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