B.E. Electronics & Telecommunication, Wireless Networks (WN), Semester 8, December 2012.

B.E. Electronics & Telecommunication,

Wireless Networks (WN), Semester 8, December 2012.

Con. 10020-12

KR- 5094

(REVISED COURSE)

(3 Hours)

[Total Mark: 100]

N.B. (1) Question No 1 is compulsory.

(2) Attempt any four questions out of remaining six questions.

(3) Draw neat sketches wherever required.

(4) Assume suitable data if required.

1. (a) What is role of General Packet Radio Services (GPRS) in the GSM. ---- (5 Marks)

(b) Why is power control used in CDMA 2000 and WCDMA? ---- (5 Marks)

(c) Explain the security aspect of Bluetooth. ----- (5 Marks)

(d) Write various uses of Wireless Sensor Network. ---- (5 Marks)

2. (a) Explain UMTS network reference architecture in detail. ----- (10 Marks)

(b) Discuss QoS attributes used in UMTS. ----- (10 Marks)

3. (a) Discuss the forward and reverse link channels in CDMA 2000.----- (10 Marks)

(b) Explain evolution of IS – 95 in detail. --- (10 Marks)

4. (a) Explain Link budget analysis and requirements of wireless network. ---- (10 Marks)

(b) Draw and explain WAP programming model in detail. ---- (10 Marks)

5. (a) Define and explain different terms used in Bluetooth. ---- (10 Marks)

(b) Explain wireless sensor network protocol stack in detail. ----- (10 Marks)

6. (a) Compare all versions of IEEE 802.11 WLAN. ----- (10 Marks)

(b) Give the advantages, disadvantages and application of WAP. ---- (10 Marks)

7. (a) Compare CDMA 2000 and WCDMA. ----- (10 Marks)

(b) Write a short note on RFID. ---- (10 Marks)