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Practical communication example for a data rate scenario

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Problem Detail: 

Having difficulty with the following question.

I can answer parts I and II but having trouble finding a practical example.


Compute the maximum data rate of the following communication links;

I) 4000Hz bandwidth and a signal to noise ratio(SNR) of 20dB;

II) noiseless channel of 2.4GHz bandwidth with 64 signalling levels;

Provide a practical communication example for each scenario.

Any help would be greatly appreciated.

Asked By : Marty Collins
Answered By : Evil

4kHz bandwidth and 20dB SNR is telephone communication.
2.4GHz with 64 signaling levels is WiFi with 64QAM if I understood correctly. In that case bitrate is 6 * baud.

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