wc model
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wc modelTRANSCRIPT
B TECH DEGREE EXAMINATION, MAY 2014
8TH SEMESTER
BRANCH: INFORMATION TECHNOLOGY
IT 010 801 – WIRELESS COMMUNICATION (IT)
(NEW SCHEME –REGULAR)
TIME 3 HRS. MAX. 100 MARKS
PART A
EACH QUESTION CARRIES 3 MARKS.
1. Define radio channel access. 2. Define ‘code’. What is channel coding ? 3. Describe network protocols. 4. What are QoS classes ? 5. What is WLL ?
PART B
EACH QUESTION CARRIES 5 MARKS.
6. Illustrate how power control is done In CDMA 7. Explain PDC protocol 8. Describe on multimedia messaging service. 9. Explain 3G service categories. 10. Describe WLL technologies and frequency spectrum.
PART C
EACH QUESTION CARRIES 12 MARKS
11. Explain principles of CDMA OR
12. Explain frequency and time synchronization 13. What are the spreading techniques?
OR
14. Differentiate RLC and RRC. 15. Explain UMTS radio access network.
OR
16. Explain Opportunity driven multiple access. 17. Describe 3G Applications.
OR
18. Explain the major 3G services. 19. Explain WLL architecture?
OR
20. Describe WLL technology and frequency spectrum