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Assignment No. 03
                        Semester: Fall 2016

CS601: Data Communication

Total Marks: 15

 

Due Date: 16/01/2017

 

Instructions:

Please read the following instructions carefully before submitting assignment:

You need to use MS word document to prepare and submit the assignment on VU-LMS.

It should be clear that your assignment will not get any credit if:

                                                                                                                        

  • The assignment is submitted after due date.
  • The assignment is not in the required format (doc or docx).
  • The submitted assignment does not open or file is corrupt.
  • Assignment is copied (partial or fully) from any source (websites, forums, students, etc)

 

 

 

Objective:

 

The objective of this assignment is to learn Encoding and Modulation Techniques.  

 

 

Assignment

 

 

Question No. 1

 

For Digital to Digital Encoding, different techniques are used in data communication.  You are required to select and write all those techniques from the following which are used for Digital to Digital Encoding:

 

 

  1. Differential Manchester
  2. Amplitude Shift Keying
  3. NRZ-I
  4. Frequency Shift Keying
  5. Frequency Modulation
  6. Frequency Reducing Key
  7. NRZ
  8. Time division multiplexing
  9. Frequency Division Multiplexing
  10. Phase Modulation
  11. Bi phase
  12. Amplitude modulation
  13. HDB3
  14. Quadrature Amplitude Modulation
  15. Manchester Encoding Scheme
  16. 4 PSK
  17. Asynchronous TDM
  18. Phase Shift Keying
  19. ATM
  20. AMI

 

Question No. 2

 

Following table contains information about bit rates of three different modulation techniques. You are required to calculate the baud rates against each by writing all necessary calculation and units in the respective rows:

 

 

Bit Rates

Modulation Techniques

Calculation

Baud Rate

54000 bps

64-QAM

 

 

25000bps

128-QAM

 

 

48000bps

256-QAM

 

 

 



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