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VU Projects Video Lectures Handouts Past Papers Quizzes Assignment,GDB Members SMS Service FB Page

 

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 full) from any source (websites, forums, students, etc)

 Objective:

 The objective of this assignment is to learn about:

 Transmission Impairments

 

 Question  No. 1

Imagine a signal (P1) travels through an amplifier and its power is increased 20 times. This means that P2 (the amplified signal) =20P1.

You are required to calculate the amplification (gain of power) by writing all necessary calculations and formula.

 

Question No. 2

           

Suppose that S/N i.e. signal to noise ratio = 34dB and bandwidth of the channel is 2 kHz. You are required to calculate the theoretical channel capacity in bps by writing all necessary calculations and formula.

Best of Luck

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Replies to This Discussion

okay :)

SOLUTION IDEA

Question  No. 1

Imagine a signal (P1) travels through an amplifier and its power is increased 20 times. This means that P2 (the amplified signal) =20P1.

You are required to calculate the amplification (gain of power) by writing all necessary calculations and formula.

Answer:
How to calculate signal amplification

Formula for Signal Amplification: 10 log (P2/P1)
Putting the above values,

= 10 log (20P1/P1)
= 10 log (20)
= 13 dB. 

Question No. 2
            
Suppose that S/N i.e. signal to noise ratio = 34dB and bandwidth of the channel is 2 kHz. You are required to calculate the theoretical channel capacity in bps by writing all necessary calculations and formula. 

Answer:

How to calculate Channel Capacity
Formula for Channel Capacity = B log base 2 (1 + S/N ) in bps
Here,  
B = Bandwidth of the channel = 2 kHz = 2000 Hz
S/N = Signal to Noise ratio = 34 dB = 2511

Putting the values in the formula: 
= 2000 log base 2 ( 1 + 2511)
=  22,589 bps

solution assigment no 3 cs601

??? solution

idea solution

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