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) State the need for hexagonal cell site ?

     (b) Define cell , cluster , hand off , frequency re-use?

4)  (a) State the need for multiple access techniques ?

     (b) Short notes on TDMA ,FDMA ,CDMA ?

5)  (a) Explain CDMA & its features ?

      (b) Advantages & Dis Advantages of CDMA ?

      (c) Compare FDMA ,TDMA ,CDMA ?

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