Constraint gain

@article{Fan2002ConstraintG,
  title={Constraint gain},
  author={John L. Fan and Tze-Lei Poo and Brian H. Marcus},
  journal={IEEE Transactions on Information Theory},
  year={2002},
  volume={50},
  pages={1989-2001}
}
In digital storage systems where the input to the noisy channel is required to satisfy a modulation constraint, the constrained code and error-control code (ECC) are typically designed and decoded independently. The achievable rate for this situation is evaluated as the rate of average intersection of the constraint and the ECC. The gap from the capacity of the noisy constrained channel is called the constraint gain, which represents the potential improvement in combining the design and… CONTINUE READING

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