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Posted By: Girish Patil Member Level: Diamond Posted Date: 30 May 2008
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2006 Yashwantrao Chavan Maharashtra Open University Certification TES Mobile and Personal Communication Question paper
TES122/EE/20070814
Mobile and Personal Communication
Time : 180 minutes Marks : 100
Instructions for the students :
1. All questions are compulsory.
2. “Long Answer type Question (LAQ)” is a supply type question of 20 marks,
which require typical answer of about 60-80 lines in about 32-40 minutes.
3. “Short Answer type Question (SAQ)” is a supply type question of 5 marks,
which require typical answer of about 15-20 lines in about 08-10 minutes.
4. Use of non-programmable type of scientific calculator is allowed.
5. Draw neat diagrams wherever necessary.
6. Assume suitable data if necessary.
Long Answer type Questions (LAQ’s)
1. (a) Describe in detail logical structure of GSM.
(b) What is CAMEL ? Give its architecture.
(c) What is GPRS ?
2. (a) Differentiate between cordless telephony over cellular/
mobile communications.
(b) Compare CT2, DECT and PHS with reference to access
method., frequency band, modulation type bit rate and peak
output power.
(c) Elaborate application of PHS in public and business
environment.
3. (a) What is IEEE 802.11 standard ?
(b) In what ways we specify physical and MAC layers ?
(c) Enlist the important system parameters of HIPERLAN.
4 (a) What are the various aspects of IMT 2000- Radio ?
(b) Write a short note on IRRIDIUM.
Short Answer type Questions (SAQ’s)
5. Enlists five characteristics of LEO satellite configuration. 5
6. For mobile I/P :
Explain I) Agent discovery
ii) Tunneling
7. PACS-UB utilizes full selection receiver diversity. Justify. 5
8. With reference to IS-95
Explain- I) SMS ii) OTA iii) IMSL
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