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Communication SystemsChannel Coding

In a trellis representation of a convolutional code, a path through the trellis represents?

  • AA possible encoder state and output sequence over time
  • BOnly receiver bandwidth
  • CA single analog carrier cycle
  • DThermal-noise temperature
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Correct Answer: A. A possible encoder state and output sequence over time
Explanation: Each trellis path corresponds to a possible sequence of encoder state transitions and associated coded outputs.
Reference: Standard communication systems: convolutional-code trellis
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