Example 1.14 : The output signal to noise ratio of a 10 bit PCM was found to be 30 dB. The désired SNR is 42 dB. It was decided to increase the SNR to the desired value by increasing the number of quantization levels. Find the fractional increase in transmission bandwidth required for this increase in SNR. Sol. : (i) To obtain no of bits for 42 dB Signal to noise ratio of PCM is given as, S dB = (4.8 + 6v) dB Above equation shows that signal to noise ratio increases by 6 dB with every bit. It is given that S = 30 dB for 10 bits

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
icon
Related questions
Question

the question in the image

Example 1.14 : The output signal to noise ratio of a 10 bit PCM was found to be
30 dB. The dèsired SNR is 42 dB. It was decided to increase the SNR to the desired
value by increasing the number of quantization levels. Find the fractional increase in
transmission bandwidth required for this increase in SNR.
Sol. : (i) To obtain no of bits for 42 dB
Signal to noise ratio of PCM is given as,
S
dB = (4.8 + 6v) dB
Above equation shows that signal to noise ratio increases by 6 dB with
every bit. It is given that
= 30 dB for 10 bits
Transcribed Image Text:Example 1.14 : The output signal to noise ratio of a 10 bit PCM was found to be 30 dB. The dèsired SNR is 42 dB. It was decided to increase the SNR to the desired value by increasing the number of quantization levels. Find the fractional increase in transmission bandwidth required for this increase in SNR. Sol. : (i) To obtain no of bits for 42 dB Signal to noise ratio of PCM is given as, S dB = (4.8 + 6v) dB Above equation shows that signal to noise ratio increases by 6 dB with every bit. It is given that = 30 dB for 10 bits
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
Computer Networking: A Top-Down Approach (7th Edi…
Computer Networking: A Top-Down Approach (7th Edi…
Computer Engineering
ISBN:
9780133594140
Author:
James Kurose, Keith Ross
Publisher:
PEARSON
Computer Organization and Design MIPS Edition, Fi…
Computer Organization and Design MIPS Edition, Fi…
Computer Engineering
ISBN:
9780124077263
Author:
David A. Patterson, John L. Hennessy
Publisher:
Elsevier Science
Network+ Guide to Networks (MindTap Course List)
Network+ Guide to Networks (MindTap Course List)
Computer Engineering
ISBN:
9781337569330
Author:
Jill West, Tamara Dean, Jean Andrews
Publisher:
Cengage Learning
Concepts of Database Management
Concepts of Database Management
Computer Engineering
ISBN:
9781337093422
Author:
Joy L. Starks, Philip J. Pratt, Mary Z. Last
Publisher:
Cengage Learning
Prelude to Programming
Prelude to Programming
Computer Engineering
ISBN:
9780133750423
Author:
VENIT, Stewart
Publisher:
Pearson Education
Sc Business Data Communications and Networking, T…
Sc Business Data Communications and Networking, T…
Computer Engineering
ISBN:
9781119368830
Author:
FITZGERALD
Publisher:
WILEY