wc model

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B TECH DEGREE EXAMINATION, MAY 2014 8 TH 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.

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Page 1: wc model

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.

Page 2: wc model

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