Tuesday, November 20, 2012

Mobile Communication IT2402 Anna University Nov/Dec 2012 Important Questions


Anna University, Chennai Nov/Dec 2012 Examinations
Rejinpaul.com Important Questions
Mobile Communication IT2402 
Common To VII Sem IT
Unit I-V
1.     Write a detailed note on cellular wireless networks
2.     What is CDMA? Explain FDMA, TDMA and CDMA
3.     Consider three users and Barker code of six bits each for the users transmitting the signals, introduce noise and near/far problem while transmitting and reconstruct the data in the receiving side providing the proper countermeasures for the complications
4.     Explain in detail about (i) MAC (ii) SDMA
5.     Explain in detail about IEEE 802.16 architecture and services
6.     Explain in detail about MANET
7.      Explain MAC sub layers defined by IEEE 802.11 standard in detail
8.     With the neat diagram of the technique used in WLL systems and propagation considerations for WLL
9.     Explain the functional architecture of GSM System
10.Explain the GSM location update procedures
11. Briefly explain the procedures of GPRS
12.What is GPRS? Explain in detail
13. Explain the goals, assumptions and requirements of mobile IP?
14.Explain (i)Indirect TCP  (ii) Snooping TCP
15. Explain in detail about DSDV
16.Discuss about tunneling and encapsulation mechanism and reverse tunnelling
17. Explain WAP model and WAP gateway in detail
18.Explain the parameters of transactions and session protocols?
19.Explain in detail about mobile location based services
20.            Explain in detail about WML  and WML SCRIPTS


EC2403 RF and microwave engineering Anna University Nov/Dec 2012 Important Questions


Anna University, Chennai Nov/Dec 2012 Examinations
Rejinpaul.com Important Questions
EC2403 RF and microwave engineering
VII Sem ECE
Unit I-V
1.     A shunt impedance Z is connected across a transmission line with characteristic impedance Zo .Find the s matrix of the junction
2.     Explain in detail about properties of S parameters
3.     Explain about the operation ,characteristics and application of BJT’s at microwave frequency
4.     What are transmission matrices?explain them and obtain their relationship s matrix
5.     Expalin about microstripline matching networks with a neat diagram
6.     Discuss the consideration for an RF amplifier design
7.      Derive the reflection coefficients of simultaneous conjugate method for a bilateral design
8.     Describe the frequency response of impedance matching networks used in an RF amplifier
9.     Derive the reflection coefficients of simultaneous conjugate method for a bilateral design
10.Derive the S-matrix of a lossless, ideal magic tee
11. Describe the principle of microwave transmission through ferrite .Explain how a gyrator is designed based on this effect
12.Describe the operation of a Isolator
13. Derive the s matrix of an ideal Phase shifter and discuss its operation
14.Derive the Manley Rowe power relation. Show how it can be applied to find the gain of up converter and down converter
15. Explain the construction and DC operating principle of IMPATT diode
16.Describe the principal of operation, the cases of input resistance at signal frequency and the circuit performance of parametric amplifier
17. Explain in detail with suitable diagrams the fabrication techniques of a monolithic microwave integrated  circuit
18.Explain the working of Reflex Klystron , while doing so, explain the concept of velocity and current modulations
19.Explain the operation of  2-cavity klystron amplifier and compare it with TWT
20.           Draw the block diagram for the slotted line method of VSWR measurement and discuss
21.Explain a method for high power measurement