Yashwantrao Chavan Maharashtra Open University 2006 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 ques. are compulsory.
2. “Long ans kind ques. (LAQ)” is a supply kind ques. of 20 marks,
which require typical ans of about 60-80 lines in about 32-40 minutes.
3. “Short ans kind ques. (SAQ)” is a supply kind ques. of five marks,
which require typical ans of about 15-20 lines in about 08-10 minutes.
4. Use of non-programmable kind of scientific calculator is allowed.
5. Draw neat diagrams wherever necessary.
6. presume suitable data if necessary.

Long ans kind ques. (LAQ’s)
1. (a) define in detail logical structure of GSM.
(b) What is CAMEL ? provide its architecture.
(c) What is GPRS ?



2. (a) Differentiate ranging from cordless telephony over cellular/
mobile communications.
(b) Compare CT2, DECT and PHS with reference to access
method., frequency band, modulation kind bit rate and peak
output power.
(c) what are 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) elaborate the different aspects of IMT 2000- Radio ?
(b) Write a short note on IRRIDIUM.


Short ans kind ques. (SAQ’s)
5. Enlists 5 characteristics of LEO satellite configuration. 5
6. For mobile I/P :
discuss 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

Earning:   Approval pending.