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Communication SystemsChannel Coding

For an (n,k) block code, the code rate is?

  • An/k
  • Bk/n
  • Cn-k
  • D1/(n+k)
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Correct Answer: B. k/n
Explanation: A block code maps k information bits into n coded bits, so its rate is R=k/n.
Reference: Standard communication systems: code rate
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