Difference between diversity gain and coding gain

1. What is diversity gain in MIMO?
2. What is coding gain in FEC?
3. What is coding gain in OTN?
4. How is diversity gain calculated?

What is diversity gain in MIMO?

Diversity gain is the increase in signal-to-interference ratio due to some diversity scheme, or how much the transmission power can be reduced when a diversity scheme is introduced, without a performance loss.

What is coding gain in FEC?

FEC Definitions. Coding Gain. 1. Coding gain (loss) resulting from a coding operation is the power decrease (increase) required to maintain the same BER as that achieved without the coding operation.

What is coding gain in OTN?

In coding theory and related engineering problems, coding gain is the measure in the difference between the signal-to-noise ratio (SNR) levels between the uncoded system and coded system required to reach the same bit error rate (BER) levels when used with the error correcting code (ECC).

How is diversity gain calculated?

In order to find the diversity gain, the power samples of the two branches are combined by selection combining (SC) and maximal ratio combining (MRC) [12]. With SC the branch with the highest power for each of the 3750 equal measurement situations is always selected.