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Posted on October 24, 2016

Compare the bandwidth required to send a message by using PPM and PCM signaling. Assume that the digital source sends out 8 bits/character, so that it can send 256 different messages (characters). Assume that the source rate is 10 characters/s. Use the dimensionality theorem, N/T0 = 2B, to determine the minimum bandwidth B required.
(a) Determine the minimum bandwidth required for a PCM signal that will encode the source information.
(b) Determine the minimum bandwidth required for a PPM signal that will encode the source information.

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