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Mobile Computing & Communications: 2G & 3G
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Mobile Computing & Communications: 2G & 3G
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25 Questions

1. UMTS is also known as _____________
2. How is HSCSD different from GPRS?
3. How much time it takes for handoff in digital cellular systems like GSM?
4. Cell dragging is a problem occur due to __________
5. What changes GPRS need to acquire while upgrading itself from GSM?
6. Who sets the standards of GSM?
7. What is the full form of UMTS?
8. What is the minimum spectrum allocation required by W-CDMA?
9. How much increase in spectral efficiency is provided by W-CDMA in comparison to GSM?
10. ___________ manages the switching function in GSM.
11. MAHO stands for ______
12. How much packet data rate per user is supported by W-CDMA if the user is stationary?
13. Handoff does not require voice and control channel to be allocated to channels associated with the new base station.
14. GPRS and EDGE supports which 2G standard?
15. Previously in 1980s, GSM stands for ____________
16. What is the condition for intersystem interference?
17. W-CDMA requires a complete change of RF equipment at each base station.
18. The time over which a call can be maintained within a cell without handoff is called _________
19. Which of the following does not come under the subsystem of GSM architecture?
20. Which of the following memory devices stores information such as the subscriber.™s identification number in GSM?
21. What is the condition for handoff?
22. Which of the following feature makes it impossible to eavesdrop on GSM radio transmission?
23. Which of the following subsystem provides radio transmission between the mobile station and MSC?
24. Which of the following does not come under the teleservices of GSM?
25. Which of the following comes under supplementary ISDN services?

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