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Speed of transmission is increased by channel encoding.

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Speed of transmission is increased by channel encoding.

(a) True

(b) False

The question was posed to me in my homework.

This question is from Digital Transmission of Data topic in section Digital Communication Techniques of Avionics

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Correct answer is (b) False

The explanation: Speed of transmission is reduced when data is channel encoded. For example, to transmit 1 byte of data, the encoding process may add 3 extra bits for a total of 11 bits. If the bit time is 100 ns, then it takes 800 ns to send the data bits but 1100 ns to send the encoded data.

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