We wish to transmit a digital voice at 32 Kbps through a communication channel having bandwidth of 3000 Hz. The received signal to noise power ratio is 30 dB. State which of the following statement is true ?

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Q. We wish to transmit a digital voice at 32 Kbps through a communication channel having bandwidth of 3000 Hz. The received signal to noise power ratio is 30 dB. State which of the following statement is true ?

(A) To transmit data error-free through this channel. Channel equalizer circuit should be used at the receiver
(B) To transmit data error-free through this channel, the voice signal should be compressed by 2
(C) To transmit data error-free through this channel, a channel code with coding gain of 3 dB should be used
(D) It is not possible to transmit data error-free through this channel

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✅ Correct Answer: (D) It is not possible to transmit data error-free through this channel

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