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H31-311_V2.5 · Question #193
H31-311_V2.5 Question #193: Real Exam Question with Answer & Explanation
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Question
The error correction capability of FEC is measured by coding gain. Which of the following statements about coding gain is wrong?
Options
- AWhen BER is constant, the OSNR preserved by correction coding is called coding gain.
- BThe correction capability of FEC increases with the coding gain.
- CThe coding gain of in-band FEC is greater than the coding gain of out-band FEC
- DThe coding gain of AFEC is greater than the coding gain of FEC
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