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UNIT 1 : OVER VIEW OF FIBER OPTIC COMMUNICATION

   UNIT 1 OVER VIEW OF FIBER OPTIC COMMUNICATION SHORT ANSWER QUESTIONS  1)   Advantage of light wave in communication system over EM wave? 2)   Classify Optical Fiber based on Core Dia-meter   & give approximate value of core diameter ? 3)   List extrinsic losses in Optical Fiber ? 4)     Define Snell’s Law ,Critical angel , Numerical Aperture ,Acceptance Angle , Cone of Acceptance  ? 5)    Classify Optical Fiber Based on Refractive Index Profile ? 6)    Classify Optical Fiber Based on Modes ? 7)     Classify Various Losses in Optical Fibers ? 8)   Classify different Types Of   Dispersion in optical ? 9)     Compare Step index and Graded index ? 10)    Compare between multi mode & Single mode Fibers ? 11)     Difference between intrinsic & extrinsic losses ? ESSAY TYPE QUESTIONS  1) Explain structure of optical ...
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UNIT 2 : FIBER OPTIC COMPONENTS AND DEVICES

    UNIT 2 FIBER OPTIC COMPONENTS AND DEVICES SHORT ANSWER QUESTIONS  1)   Difference between LED & LASER DIODE ? 2)   Define External Quantum efficiency of a light source ? 3)   Define Responsively , Dark Current ? 4)     List two types of sources used in OFC ? 5)     List detectors used in Optical Fiber Communication ? 6)    List active components in Optical Fiber ? 7)     State the need for Optical coupler / Splitter ? 8)    State the principal of   LASER ? 9)     Difference between coupler and splitter ? ESSAY TYPE QUESTIONS  1) (a) List two types of sources used in OFC ?      (b) Define salient features of Optical sources? 2) (a) List two types of detectors used in OFC ?      (b) Define salient features of Optical detector? 3) State the principal of LASER? Explain the construction & working of LASE...
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UNIT 3 : TELEPHONY AND MOBILE COMMUNICATION

UNIT 3 TELEPHONY AND MOBILE COMMUNICATION SHORT ANSWER QUESTIONS  1)   Classification of switching system ? 2)   Advantages of electronic telephony over manual telephony ? 3)   Compare in-band & out-band signaling ? 4)     Compare between Pulse & DTMF dialing ? 5)     Limitations of Conventional mobile phone system ? 6)    Short note on evolution of cellular mobile communication system ? 7)     Drawbacks of 3Gmobile communication system ? 8)    Function of mobile switching station ? 9)     Define voice and control channels in mobile communication ? 10)     Define MS, BS , BTS , BSC , MSC ? 11)  Short note on pulse dialing & DTMF dialing ? ESSAY TYPE QUESTIONS  1) 1)   (a) Explain PULSE & DTMF Dialing?     (b) Compare PULSE & DTMF Dialing? 2) (a) Evolution of cellular mobile communication system? ...
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UNIT 4 : CELLULAR SYSTEM DESIGN FUNDAMENTALS AND MULTIPLEXING TECHNIQUES

  UNIT 4 CELLULAR SYSTEM DESIGN FUNDAMENTALS AND MULTIPLEXING TECHNIQUES SHORT ANSWER QUESTIONS  1)  Define in-band & out-band signaling ? mention their frequencies ? 2)  Define Hand OFF in mobile communication ? 3)   Compare FDMA , TDMA , CDMA ? 4)   Give any three Advantages and Dis advantages of CDMA ? 5)   Give applications and features of CDMA ? 6)  Give applications and features of FDMA ? 7)     List the three types of multiple access techniques ? 8)    List the drawbacks of analog cellular system ? 9)     Define the term cell & cluster ? 10)    State the need of  multiple access techniques? 11)     Explain the process of call progress in a cellular telephone system ? ESSAY TYPE QUESTIONS  1)  Draw the block diagram of basic cellular system ? 2)  Explain the process of call progress in cellular telephone system ? 1)   3)  (a)...
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UNIT 5 : DIGITAL CELLULAR MOBILE SYSTEM

  UNIT 5 DIGITAL CELLULAR MOBILE SYSTEM SHORT ANSWER QUESTIONS  1)  Advantage over analogue transmission ? 2)  List feature of digital cellular system ? 3)   Advantages of Digital cellular system ? 4)   What are the three major interconnected sub system involved in GSM architecture? 5)   List various interface in GSM architecture ? 6)   List the service and security aspects of GSM ? 7)   What are the services provided by supplementary ISDN ? 8)    Advantages of GSM ? 9)     List the disadvantages of GSM ? 10)    Features of GPRS ,EDGE ? 11)    Compare the features of GSM  , GPRS , EDGE systems? 12)    Salient features of 3G systems? 13)  List the advantages of 3G over earlier versions? 14)  List the Disadvantages and applications of 3G over earlier versions? 15)  List  the basic concepts of 4G aspects ? (features & drawbacks of 4g) ESS...
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