Recall that Information may be defined in four ways
Modality (in root) deals with information at the sink being
- Problematic: "might be ✔ or ✖"
- Assertoric: "is ✔" or "is ✖"
- Apodictic: "must be ✔" or "must be ✖"
Error rate is the probability Pe that a symbol Ŵ at the sink is not the symbol W emitted at the information source.
Pe is also called 'symbol' Error Rate and Pb is called 'bit' Error Rate. Typically
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Summary (p:4) ➽