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(d) Consider a cable with a bandwidth (H) of 2 MHZ and a signal-to-noise ratio (S/N) of 63. (i) Calculate the maximum bit rate possible when transmitting data via this cable using 4 signal levels. Explain how you worked out the result. 3 (ii) In an attempt to improve the performance, the number of signal levels is increased to 16- however this causes the system to fail. What is the problem?

(d) Consider a cable with a bandwidth (H) of 2 MHZ and a signal-to-noise ratio (S/N) of 63. (i) Calculate the maximum bit rate possible when transmitting data via this cable using 4 signal levels. Explain how you worked out the result. 3 (ii) In an attempt to improve the performance, the number of signal levels is increased to 16- however this causes the system to fail. What is the problem?

Computer Networking: A Top-Down Approach (7th Edition)
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...
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(d) Consider a cable with a bandwidth (H) of 2 MHZ and a signal-to-noise ratio (S/N) of 63. (i) Calculate the maximum bit rate possible when transmitting data via this cable using 4 signal levels. Explain how you worked out the result. (ii) In an attempt to improve the performance, the number of signal levels is increased to 16 however this causes the system to fail. What is the problem?
Transcribed Image Text:(d) Consider a cable with a bandwidth (H) of 2 MHZ and a signal-to-noise ratio (S/N) of 63. (i) Calculate the maximum bit rate possible when transmitting data via this cable using 4 signal levels. Explain how you worked out the result. (ii) In an attempt to improve the performance, the number of signal levels is increased to 16 however this causes the system to fail. What is the problem?
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