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Communication SystemsInformation Theory

A channel has bandwidth 3 kHz and SNR = 15 as a linear power ratio. Its Shannon capacity is?

  • A3 kbps
  • B6 kbps
  • C12 kbps
  • D48 kbps
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Correct Answer: C. 12 kbps
Explanation: C=3000 log2(1+15)=3000 log2(16)=3000×4=12000 bit/s = 12 kbps.
Reference: Standard communication systems: information theory
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