and 5 others joined a min ago.
0
671views
Mobile Communication Question Paper - Jun 17 - Diploma in Computer Technology (Semester 6) - Maharashtra State Board of Technical Education (MSBTE)
1 Answer
1
1views
written 5.2 years ago by
teamques10
★ 64k
|
Mobile Communication - S17
Diploma in Electronics (Semester 6)
Total marks: 100
Total time: 3 Hours
INSTRUCTIONS
(1) All Questions are Compulsory.
(2) Answer each next main Question on a new page.
(3) Illustrate your answers with neat sketches wherever necessary.
(4) Assume suitable data, if necessary.
(5) Use of Non-programmable Electronic Pocket Calculator is permissible.
(6) Mobile Phone, Pager and any other Electronic Communication devices
1(a).i
Describe the call making procedure from mobile handset to the landline
phone unit. (PSTN).
(4 marks)
8641
1(a).ii
Draw the block diagram of logic unit in mobile handset and explain it.
(4 marks)
8646
1(a).iii
Explain concept of frequency reuse. Draw frequency reuse pattern with
cluster size 7.
(4 marks)
8669
1(a).iv
Describe the term microcell zone concept for capacity improvement.
(4 marks)
8659
1(b).i
Draw the GSM architecture and write function of each block.
(6 marks)
8696
1(b).ii
Define following components :
(a) Mobile station
(b) Forward channel
(c) Base station controller
(d) MSC
(e) Roaming
(f) Transceiver
(6 marks)
8697
2(a)
Draw labelled block diagram of paging system and explain its operation
(4 marks)
8642
2(b)
Explain adjacent channel interference in cellular system and how they are
reduced.
(4 marks)
8671
2(c)
Describe the function of HLR & OMC in GSM.
(4 marks)
8698
2(d)
Describe IS–95 B for 2.5 G CDMA.
(4 marks)
8806
2(e)
What is the need of adhoc network ?
(4 marks)
8847
3(a)
Explain IMT 2000 services.
(4 marks)
8810
3(b)
Describe evolution for 2.5 G TDMA standards.
(4 marks)
8814
3(c)
Draw system architecture of IS-95. Explain working of any two blocks.
(4 marks)
8700
3(d)
State and explain types of sectoring.
(4 marks)
8680
3(e)
Draw and explain cellular transmitter.
(4 marks)
10392
3(f)
Write features of Bluetooth. (4 points)
(4 marks)
8832
4(a).i
Draw and explain architecture of 4G wireless system.
(4 marks)
8829
4(a).ii
Explain HSCSD for 2.5 G GSM.
(4 marks)
8759
4(a).iii
Describe call processing in GSM system with suitable diagram.
(4 marks)
8862
4(a).iv
Compare CDMA, FDMA & TDMA in terms of concept, key resources,
sharing of resources, bandwidth, system flexibility and system
complexity.
(4 marks)
8850
4(b).i
Illustrate SS7 protocol architecture with labelled diagram and state
services offered by SS7 system.
(6 marks)
8704
4(b).ii
What is Hand-off ? List different types of hand-off. Explain any two in
detail.
(6 marks)
8675
5(a)
Compare UMTS with CDMA 2000.
(4 marks)
9325
5(b)
Explain GPRS for 2.5 G GSM and IS-136.
(4 marks)
8817
5(c)
Describe the function of GSM traffic channels & GSM control channels.
(4 marks)
8706
5(d)
Explain the concept of cell splitting using suitable diagram.
(4 marks)
8667
5(e)
Draw neat block diagram of frequency synthesizer and label the blocks. Explain
its working.
(4 marks)
8643
5(f)
State the various services offered by GSM system.
(4 marks)
8686
6(a)
Draw the block diagram of mobile unit. State the function of logic and control
unit in mobile handset.
(4 marks)
8645
6(b)
Compare GSM with IS-95.
(4 marks)
8708
6(c)
Explain EDGE for 2.5 G GSM & IS-136.
(4 marks)
8820
6(d)
What is WLL ? Describe with suitable diagram.
(4 marks)
8852
6(e)
Describe the important features of 3G-CDMA-2000.
(4 marks)
8853
6(f)
Draw the block diagram of forward CDMA channel modulation process.
(4 marks)
8709
ADD COMMENT
EDIT
Please log in to add an answer.