Monday, March 25, 2013

Anna University Important Questions for May/June 2013 Exams - 2nd Sem, 4th Sem, 6th Sem, 8th Sem Questions

Anna University Important Questions

Get Anna University Previous Year Questions for 2nd Semester, 4th semester , 6th semester, 8th semester exams coming up May/June 2013 .

Important Questions for Anna University Students , we will update the page with anna univ faq questions .

You can download it and use to prepare for the may/june 2013 exams .


Wednesday, June 13, 2012

HS2161 Technical English Previous Year Question Papers - Imp questions

ANNA UNIVERSITY QUESTION PAPERS:
HS2161 TECHNICAL ENGLISH II
ANNA UNIVERSITY PREVIOUS YEAR
QUESTION PAPERS

Anna University  previous year question paper for english II
Download : www.mediafire.com/?33gz1y8st79fwpe

ANNA UNIV Important Questions for 2nd Semester exams - Second Sem Imp Question papers

Anna Univ Imp Questions for 2nd Sem 2012:
Students can get their important questions,previour year questions,for 2nd Semester examinations.

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HS2161 TECHNICAL ENGLISH II     - |
SUB. NOTES | QUES. BANK| QUES.
PAPER|
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MA2161 MATHEMATICS – II |
SUB. NOTES | QUES. BANK| QUES.
PAPER|
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PH2161 ENGINEERING PHYSICS – II
| SUB. NOTES | QUES. BANK| QUES.
PAPER|
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CY2161 ENGINEERING CHEMISTRY –
II | SUB. NOTES | QUES. BANK|
QUES. PAPER |
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ME2151 ENGINEERING MECHANICS
| SUB. NOTES | QUES. BANK| QUES.
PAPER|
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EE2151 CIRCUIT THEORY |
SUB. NOTES | QUES. BANK| QUES.
PAPER|
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EC2151 ELECTRIC CIRCUITS ED         |
SUB. NOTES | QUES. BANK| QUES.
PAPER|

GE2151 BASIC ELECTRICAL EE |
SUB. NOTES | QUES. BANK| QUES.
PAPER|
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GE2152 BASIC CIVIL ME |
SUB. NOTES | QUES. BANK| QUES.
PAPER|

Visit back for complete updates for anna univ imp questions.

Tuesday, June 12, 2012

Anna Univ 2nd Semester Important Questions for all subjects

Anna Univ Imp Questions

Anna University Important Questions for 2nd Semester / Second Semester will be added within July 16th.
2nd Semester Examinations starts from July 20th 2012.
You can get the Anna Univ 2nd Sem Exam Time Table

Imp Questions:
Anna Univ Important Questions for Mathematics II
Anna Univ Important Questions for Physics II
Anna Univ Important Questions for Chemistry II
Anna Univ Important Questions for Technical English II
Anna Univ Important Questions for Engineering Mechanics
Anna Univ Important Questions for Electronics Circuits & Electron Devices
Anna Univ Important Questions for Circuit Theory
Anna Univ Important Questions for Basic Civil & MEchanical Engineering
Anna Univ Important Questions for Basic Electrical & Electronics Engineering

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Tuesday, May 29, 2012

Mobile Ad Hoc Networks Important Questions for ECE 2012 - MANET

Mobile Ad Hoc Networks Important Questions

Download Important Questions for MANET ( Mobile adhoc networks ) of ECE . The questions for Unit 1 to Unit 5 has been given , you can make use of it.


UNIT I INTRODUCTION
Charectristics of Wireless channel,
Adhoc Mobility Models,
 Indoor and out door
models.
UNIT II MEDIUM ACCESS PROTOCOLS 9
MAC Protocols: design issues, goals and classification. Contention based protocols- with
reservation, scheduling algorithms, protocols using directional antennas. IEEE
standards: 802.11a, 802.11b, 802.11g, 802.15. HIPERLAN.

UNIT III NETWORK PROTOCOLS 9
Routing Protocols: Design issues, goals and classification. Proactive Vs reactive routing,
Unicast routing algorithms, Multicast routing algorithms, hybrid routing algorithm, Energy
aware routing algorithm, Hierarchical Routing, QoS aware routing.

UNIT IV END-END DELIVERY AND SECURITY 9
Transport layer : Issues in desiging- Transport layer classification, adhoc transport
protocols.

You can read second half ,we can expect a question from "Security issues in adhoc networks: issues and challenges, network security
attacks, secure routing protocols.

UNIT V CROSS LAYER DESIGN AND INTEGRATION OF ADHOC FOR 4G
9
Intergration of adhoc with
Mobile IP networks.

Cross layer Design,
cross layer optimization,

Cross layer cautionary prespective. 

EC2045 Satellite Communications Important Questions for ECE Anna University, 8th Semester


Important Questions for Satellite Communications

Satellite Communications question Bank | Previously asked questions for satellite communications | questions banks for ece . satellite communications questions for ece
EC2045-SATELLITE COMMUNICATION
UNIT – I SATELLITE ORBITS
PART - A
1. Define Satellite Communication.
2. What is Satellite?
3. State Kepler’s first law.
4. State Kepler’s second law.
5. State Kepler’s third law.
6. Define apogee and perigee.
7. What is line of apsides?
8. Define ascending node and descending node.
9. Define Inclination.
10. Define mean anomaly and true anomaly.
11. Mention the apogee and perigee height.
12. What is meant by azimuth angle and look angles?
13. Give the 3 different types of applications with respect to satellite systems.
14. Mention the 3 regions to allocate the frequency for satellite services.
15. Give the types of satellite services.
16. What is mean by DOMSAT, INTELSAT, SARSAT?
17. Define polar-orbiting satellites.
18. Give the advantage of geostationary orbit.
19. Write short notes on station keeping.
20. What are the geostationary satellites?
21. What is sun transit outage?
PART-B
1. (a) Explain about frequency allocations for satellite services. (10)
(b) Explain about U.S Domsats. (6)
2. Discuss briefly the development of INTELSAT starting from the 1960s through the
present. (16)
3. What is meant by polar orbiting? Explain in detail. (16)
4. State Kepler’s three laws of planetary motion. Illustrate in each case their relevance to artificial satellites orbiting the earth. (16)
5. Explain in detail the geocentric-equatorial coordinate system which is based on the
earth’s equatorial plane. (16)
6. Explain in detail about topocentric-horizon coordinate system which is based on the
observer’s horizon plane. (16)
7. Explain in detail about various measure of time. (16)
UNIT – II SPACE SEGMENT AND LINK DESIGN
PART-A
1. Give the two segments of basic satellite communication.
2. Write short notes on attitude control system.
3. What is declination?
4. What is meant by payload?
5. What is meant by transponder?
6. Write short notes on station keeping.
7. What is meant by Pitch angle?
8. What is an propellant?
9. What is an Yaw and zero ‘g’?
10. Describe the spin stabilized satellites.
11. What is meant by frequency reuse?
12. What is meant by spot beam antenna?
13. What is meant by momentum wheel stabilization?
14. What is polarization interleaving?
15. Define S/N ratio.
16. What is noise weighting?
17. What is noise power spectral density?
18. What is an inter modulation noise?
19. What is an antenna loss?
20. Define sky noise.
21. Define noise factor.
22. What is TWTA?
23. What is an OMT?
PART-B
1. Explain in detail about antenna look angles and the polar mount antenna. (16)
2. Explain about Earth eclipse of satellite and sun transit outage. (16)
3. Explain about launching orbits. (16)
4. Explain what is meant by satellite attitude and briefly describe two forms of attitude
Control . (16)
5. Draw the block diagram of TT&C and explain its blocks. (16)
6. Describe briefly the most common type of high-power amplifying device used aboard a communication satellite. (16)
7. Explain about wideband receiver and advanced Tiros-N spacecraft. (16)
8. Describe briefly the antenna subsystem and Anik-E. (16)
9. Explain in detail about thermal control and Morelos. (16)
UNIT – III SATELLITE ACCESS
PART-A
1. What is a single mode of operation?
2. What are the methods of multiple access techniques?
3. What is an CDMA?
4. What is SCPC?
5. What is a thin route service?
6. What is an important feature of Intelsat SCPC system?
7. What is an TDMA? What are the advantages?
8. What is preamble?
9. Define guard time.
10. What is meant by decoding quenching?
11. What is meant by direct closed loop feedback?
12. What is meant by feedback closed loop control?
13. Define frame efficiency.
14. What is meant by digital speech interpolation?
15. What is meant by telephone load activity factor?
16. What are the types of digital speech interpolation?
17. What is meant by freeze out?
18. What is DSI?
19. What are the advantages of SPEC method over DSI method?
20. Define satellite switched TDMA?
21. What is SS / TDMA?
22. What is processing gain?
23. What is burst code word?
24. What is meant by burst position acquisition?
25. What is an single access?
26. What is an multiple access technique?
27. What is meant by frequency reuse?
28. What is meant by space division multiple access?
29. What is an error detecting code?
30. What are the limitations of FDMA-satellite access?
31. Write about pre-assigned TDMA satellite access.
32. Write about demand assigned TDMA satellite access.
PART-B
1. Explain with an example the type of traffic route where single access is used. (16)
2. Explain in detail about FDMA and show how this differs from FDM. (16)
3. Explain in detail the operation of a preassigned SCPC network. (16)
4. Explain in detail the operation of the spade system of demand assignment. What is the function of the common signaling channel? (16)
5. Describe the general operating principles of a TDMA network. Show how the
transmission bit rate is related to the input bit rate. (16)
6. Explain the need for reference burst and preamble and postamble in a TDMA
System . (16)
7. Explain in detail about network synchronization with neat sketch. (16)
8. Define and explain the terms carrier recovery, bit-time recovery, traffic data, frame efficiency and channel capacity. (16)
9. Explain in detail about speech interpolation and prediction. (16)
10. Explain in detail about satellite switched TDMA. (16)
11. Describe briefly about on board signal processing for FDMA/TDM operation. (16)
12. Describe in your own words how signal acquisition and tracking are achieved in a
DS/SS system . And also derive the expression for maximal sequence. (16)
13. Explain the principle behind spectrum spreading and dispreading and how this is
used to minimize interference in a CDMA system. Also determine the throughput
efficiency of the system. (16)
UNIT – IV EARTH SEGMENT
PART-A
1. Define earth segment.
2. Give the difference between KU-band and the C-band receive only systems.
3. What is mean by ODU and IDU.
4. Explain about MATV system.



5. Write about CATV system.
6. Define S/N ratio.
7. What is noise weighting?
8. What is an EIRP?
9. What is noise power spectral density?
10. What is an inter modulation noise?
11. What is an antenna loss?
12. Define noise factor.
13. A satellite downlink at 12 GHz operates with a transmit power of 6 W and an antenna gain of 48.2 dB. Calculate the EIRP in dBW.
14. The range between a ground station and a satellite is 42000 km. Calculate the free
space loss a frequency of 6 GHz.
15. An antenna has a noise temperature of 35 K and it is matched into a receiver which has a noise temperature of 100 K. Calculate the noise power density and the noise power for a BW of 36 MHz.
16. Define Saturation flux density.
17. Write the equations of losses for clear sky conditions.
18. What are the types of antenna losses?
19. Define sky noise.
20. What is an Apsorptive n/w?
PART-B
1. With the aid of a block schematic, briefly describe the functioning of the receive
only home TV systems. (16)
2. Describe and compare the MATV and CATV systems. (16)
3. With the relevant expression explain in detail about transmission losses. (16)
4. Explain the classifications of system noise temperature. (16)
5. Explain uplink satellite circuit. (16)
6. Explain downlink satellite circuit. (16)
7. Describe briefly about the rains effects. (16)
8. Explain about inter-satellite link. (16)
UNIT – V SATELLITE APPLICATIONS
PART-A
1. Give the 3 different types of applications with respect to satellite systems.
2. Mention the 3 regions to allocate the frequency for satellite services.
3. Give the types of satellite services.
4. What is mean by DOMSAT, INTELSAT, SARSAT?
5. What are the applications of Radarsat?
6. What is ECEF?
7. What is dilution of precision?
8. What is PDOP?
8. What is DBS?
9. Give the frequency range of US DBS systems with high power satellites.
10. Give the frequency range of US DBS systems with medium power satellites.
11. What is DTH?
12. Write about bit rates for digital television.
13. Give the satellite mobile services.
14. What is GCC and GEC?
15. What is INMARSAT?
16. List out the regions covered by INMARSAT.
17. What is INSAT?
18. List out the INSAT series.
19. What is GSM?
20. What is GPRS?
21. Define DAB.
22. What is DVB?
23. What is GRAMSAT?
PART-B
1. Describe briefly the video compression process used in MPEG-2. (16)
2. Explain about indoor and outdoor unit of home receiver. (16)
3. Explain about frequencies and polarization, transponder capacity and bit rates for
digital television. (16)
4. Explain in detail about satellite mobile services. (16)
5. Describe the operation of typical VSAT system. State briefly where VSAT systems and find widest applications. (16)
6. Describe the main features of Radarsat. Explain what is meant by dawn to dusk orbit and why the Radarsat follows such on orbit. (16)
7. Explain why a minimum of four satellites are visible at an earth location utilizing the
GPS system for position determination. What does the term dilution of precision refer to?
8. Describe the main features and services offered by the orbcomm satellite system.
How do these services offered by geostationary satellites and terrestrial cellular systems?

Saturday, May 12, 2012

Anna Univ Important Questions for ECE - Electronics and Communications Engineering

Important Questions for ECE

Get Important questions for Electronics and Communications Engineering ( ECE ) of Anna University .
Students of different Semesters will get universityh previous year questions papers as well as important questions for current semester exams.

Important questions for 1st Semester
Important questions for 2nd Semester
Important questions for 3rd Semester
Important questions for 4th Semester
Important questions for 5th Semester
Important questions for 6th Semester
Important questions for 7th Semester
Important questions for 8thSemester

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