Sunday, May 31, 2015

Sathyabama University BE CSE/DCS 511706-CSE05 Wireless and Mobile Networks Sep 2010

SATHYABAMA UNIVERSITY

(Established under section 3 of UGC Act, 1956)

Course & Branch: B.E - CSE/DCS

Title of the Paper: Wireless and Mobile Networks Max. Marks: 80

Sub. Code: 511706-CSE05 Time: 3 Hours

Date: 03/09/2010 Session: FN

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PART - A (10 x 2 = 20)

Answer ALL the Questions

1. What is the working principle of TDMA?

2. How is handover done in mobile stations?

3. List down the different 802 standards?

4. What is broadcast system?

5. How is route estimated in Dynamic source routing?

6. List down any four metrics employed in routing?

7. What is the significance of TCP over IP?

8. Can TCP be used for transaction? Justify?

9. List down the improvements in WAP for mobile connectivity?

10. Can a Wireless Network be setup for a company running 5 offices in 5 different cities each of 50 KM apart?

PART – B (5 x 12 = 60)

Answer All the Questions

11. Compare SDMA, TDMA and CDMA based access control

(or)

12. Discuss in detail about GSM, DECT and UMTS systems.

13. What are the principles in designing a Wireless LAN.

(or)

14. Explain about the working mechanism of HIPERLAN and Bluetooth.

15. Explain about the following

(a) Dynamic Host Configuration protocol

(b) Adhoc Networks

(or)

16. With an example discuss how Distance Vector routing approach can be applied for calculating the route between the source and destination.

17. Discuss the different services provided by TCP for Mobile connectivity.

(or)

18. Explain the following

(a) Transmission/Timeout Freezing

(b) Selective Retransmission

19. Write down the working functionality of WAP Model

(or)

20. (a) How does mobile networks support VOIP

(b) What is Wireless Local Loop?

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