GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
Subject Code: 170702N
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-VII (OLD) EXAMINATION — WINTER 2018
Subject Name: Wireless Communication and Mobile Programming
Date: 06/12/2018
Time: 10:30 AM TO 01:00 PM
Total Marks: 70
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Q.1 | (a) Draw and explain the three tier architecture of mobile computing. | 07 |
| (b) What is Mobile IP? Explain Discovery, Registration and Tunneling with Mobile IP | 07 | |
| Q.2 | (a) Explain call routing in GSM with block diagram. | 07 |
| (b) What is a mobile IP? Explain discovery, registration and tunneling with mobile IP. | 07 | |
| OR | ||
| (a) Describe protocol stack of Bluetooth | 07 | |
| (b) Explain GSM architecture | 07 | |
| Q.3 | (a) Write short note on: 1G, 2G, 2.5G and 3G mobile communications. | 07 |
| (b) What is Frequency Reuse? Explain Frequency Allocation in GSM. | 07 | |
| OR | ||
| (a) Explain the value added services through SMS. | 07 | |
| (b) Draw GPRS System Architecture. Discuss GPRS network enhancement over GSM. | 07 | |
| Q.4 | (a) What is RFID? Differentiate active and passive RFID. | 07 |
| (b) Write a short note on WAP. | 07 | |
| OR | ||
| (a) What is CDMA technology? Explain Direct Sequence Spread Spectrum | 07 | |
| (b) Explain WiFi and WiMax technology.in detail. | 07 | |
| Q.5 | (a) Define Mobile Ad hoc Networks. Discuss its characteristics and limitations. | 07 |
| (b) What is Mobile VoIP? Explain | 07 | |
| OR | ||
| (a) Explain Indirect TCP and-Snoeping TCP in detail. | 07 | |
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