Wireless Network - Dec 2012

Electronics & Telecomm. (Semester 8)

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 role of General Packet Radio Services in the GSM?(5 marks) 1 (b) Why is power control used in CDMA 2000 and WCDMA?(5 marks) 1 (c) Explain security aspects of Bluetooth.(5 marks) 1 (d) Explain various uses of Wireless Sensor Networks. (5 marks) 2 (a) Explain UMTS network reference architecture. (10 marks) 2 (b) Discuss QoS attributes used in UMTS.(10 marks) 3 (a) Discuss forward and reverse link channels in CDMA 2000. (10 marks) 3 (b) Explain evolution of IS-95. (10 marks) 4 (a) Explain Link budget analysis and requirement of wireless network.(10 marks) 4 (b) Draw and explain WAP programming model.(10 marks) 5 (a) Define and explain terms used in Bluetooth.(10 marks) 5 (b) Explain wireless sensor network protocol stack in detail.(10 marks) 6 (a) Compare all versions of IEEE 802.1.1 WLAN.(10 marks) 6 (b) Give advantages, disadvantages and applications of WAP.(10 marks) 7 (a) Compare: (i) CDMA 2000 and WCDMA.
(ii) IS-95 and CDMA 2000(10 marks) 7 (b) Write a short note on RFID.(10 marks)