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problem 1)a) What are the functions of authentication and Encryption in GSM? How is system Security maintained?

b) Describe the architecture of GSM Network. Describe all the entities.

problem 2)a) How does near/far effect influence TDMA and CDMA systems? What are the counter measures?

b) What are the main benefits of a spread spectrum systems? How can spreading be achieved? How can DSSS systems benefit from multipath propagation?

problem 3)a) How much of the Original Network does GPRS need? Which elements of the network perform the data transfer?

b) Compare TDMA, FDMA , CDMA

problem 4)a) Describe DECT Architecture with Protocol

b) Describe what is Hand off in Mobile communication Why it is required and how it is done?

problem 5)a) How and why does I-TCP isolate problems on the wireless link? What are the major problems of this solution?

b) describe two various types of Wireless LAN and also various standard used in WLAN

problem 6) Describe Mobile IP and different entities used in Mobile IP

b) Describe various types of satellites used in Mobile Communication. What are the advantages and disadvantages of each one?

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M96316

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