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The channel capacity of a telephone line noisy channel is 120 kbps with bandwidth (B=3 kHz). C=2B*log2(1+SNR) Find the following: (a) The new value of the channel capacity if the cable is replaced by a coaxial cable with bandwidth (B=500kHz). Assume no changes of both transmitted power and channel noise.   (b) The new value of S/N ratio in the telephone line (B=3 kHz) to increase the value of channel capacity to be equal to that of the coaxial cable.

The channel capacity of a telephone line noisy channel is 120 kbps with bandwidth (B=3 kHz). C=2B*log2(1+SNR) Find the following: (a) The new value of the channel capacity if the cable is replaced by a coaxial cable with bandwidth (B=500kHz). Assume no changes of both transmitted power and channel noise.   (b) The new value of S/N ratio in the telephone line (B=3 kHz) to increase the value of channel capacity to be equal to that of the coaxial cable.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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The channel capacity of a telephone line noisy channel is 120 kbps with bandwidth (B=3 kHz).

C=2B*log2(1+SNR)

Find the following:

(a) The new value of the channel capacity if the cable is replaced by a coaxial cable with bandwidth (B=500kHz). Assume no changes of both transmitted power and channel noise.

 

(b) The new value of S/N ratio in the telephone line (B=3 kHz) to increase the value of channel capacity to be equal to that of the coaxial cable.

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