Download PTU B-Tech ECE 2020 Dec 6th Sem 71122 Wireless Communication System Question Paper

Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (ECE)-Electronics And Communications Engineering 2020 December 6th Sem 71122 Wireless Communication System Previous Question Paper

Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (ECE) (2012 to 2017 ) (Sem. ?6)
WIRELESS COMMUNICATION SYSTEM
Subject Code : BTEC-602
M.Code : 71122
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Answer briefly :
1.
What do you mean by forward and reverse channel?
2.
What is foot print?
3.
What is frequency selective fading?
4.
What are IMSI and TMSI?
5.
Differentiate hard and soft hand off.
6.
What are frequencies used in forward and reverse link in IS-95?
7.
What is Bluetooth?
8.
Write some third generation wireless standards.
9.
What is near-far effect in wireless network?
10. What is adjacent channel interference?
1 | M - 7 1 1 2 2
( S 2 ) - 9 3 8

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SECTION-B
11. Compare FDMA, TDMA & CDMA.
12. Describe in detail about the history of development of Paging and the future Trends of
paging systems.
13. Explain in detail about GSM architecture with suitable diagram.
14. Explain about types of small scale fading.
15. Write short notes on cordless telephone systems.
SECTION-C
16. Explain about IS-95 with a neat diagram.
17. Explain the diversity techniques in detail.
18. Explain Spread-spectrum Technology.
NOTE : Disclosure of identity by writing mobile number or making passing request on any
page of Answer sheet will lead to UMC case against the Student.
2 | M - 7 1 1 2 2
( S 2 ) - 9 3 8

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